Stirring device for acetophenone production

Abstract

The utility model relates to the technical field of acetophenone production, in particular to a stirring device for acetophenone production, which comprises a stirring box, the lower end of the stirring box is arc-shaped, supporting seats are fixedly arranged on two sides of the stirring box, a motor is fixedly arranged at the upper end of the supporting seat on the left side, and a fixing block is fixedly arranged at the upper end of the supporting seat on the right side. Two connecting shafts are arranged in the stirring box in a penetrating manner, the connecting shafts are in bearing connection with the side wall of the stirring box, the extending end of the connecting shaft on the left side is fixedly connected with the output end of the motor, the extending end of the connecting shaft on the right side is in bearing connection with the fixing block, and a rotating shaft is arranged between the two connecting shafts; the connecting shafts on the left side and the right side are detachably connected with the rotating shaft. According to the stirring device disclosed by the utility model, the connecting shaft is detachably connected with the rotating shaft, so that the stirring device is convenient to replace and clean, and the stirring device is simple in structure and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of acetophenone production, in particular to a stirring device for acetophenone production. Background Art

[0002] In the process of resource utilization, the acetophenone product in the residual liquid (slag) is an industrial product with great economic value. It is mostly used to make soaps and cigarettes. It is also used as an intermediate in organic chemical synthesis, a solvent for fiber resins, and a plasticizer for plastics. It is used to prepare edible flavors such as cherry, tomato, strawberry, and apricot, and can also be used in tobacco flavors. The recommended dosage in the final flavored food is 0.6-20 mg / kg. When used as a solvent, it has the characteristics of high boiling point, stability, and pleasant smell. The solubility is similar to that of cyclohexanone, and can dissolve nitrocellulose, cellulose acetate, vinyl resin, coumarone resin, alkyd resin, glycerol alkyd resin, etc. It is often mixed with ethanol, ketone, ester and other solvents;

[0003] In the production process of acetophenone, a stirring device is often needed. After long-term use, the stirring device needs to be cleaned or replaced many times. The existing ones are all integrated, which is troublesome to remove and wastes a lot of time. Summary of the invention

[0004] According to the problems raised in the background technology, the utility model provides a stirring device for acetophenone production to solve the problems. The utility model will be further described below.

[0005] A stirring device for acetophenone production, comprising a stirring box, wherein the lower end of the stirring box is arc-shaped, a cover plate is provided at the upper end of the stirring box, support seats are fixedly provided on both sides of the stirring box, a motor is fixedly provided on the upper end of the left support seat, and a fixing block is fixedly provided on the upper end of the right support seat, two connecting shafts are penetrated in the stirring box, the connecting shafts are connected to the bearings of the side walls of the stirring box, the protruding end of the connecting shaft on the left side is fixedly connected to the output end of the motor, and the protruding end of the connecting shaft on the right side is connected to the bearing of the fixing block, a rotating shaft is provided between the two connecting shafts, and the connecting shafts on the left and right sides are detachably connected to the rotating shaft; a plurality of stirring blades are evenly provided on the rotating shaft, and the stirring blades are symmetrically arranged up and down;

[0006] Preferably, two convex plates are provided on both sides of the rotating shaft, a groove is formed between the two convex plates, and a connecting plate matching the groove is provided on one side of the connecting shaft on the left and right sides, and a bolt is provided on the upper end of the convex plate, and the bolt passes through the convex plate and the connecting plate and fixes the convex plate and the connecting plate through a nut provided under the convex plate at the lower end;

[0007] Preferably, a protective sleeve is provided at the connection between the connecting shaft and the rotating shaft, and the protective sleeve is in clearance fit with the connecting shaft and the rotating shaft;

[0008] Preferably, two supporting feet are provided at the lower end of the mixing box, and rubber pads are provided at the lower ends of the supporting feet;

[0009] Preferably, a feed inlet is provided on the cover plate, and a discharge outlet is provided at the lower end of the mixing box;

[0010] Preferably, a collecting box is provided on one side of the upper end of the cover plate, an exhaust pipe is provided on one side of the collecting box, and an air outlet pipe is provided on the other side, one end of the air outlet pipe is connected to the inside of the mixing box, and the other end is connected to the bottom of the collecting box, one end of the exhaust pipe is connected to the upper end of the collecting box, and the other end is connected to the outside; a sodium hydroxide solution is provided inside the collecting box;

[0011] Preferably, the stirring blades are also symmetrically arranged on the left and right, and the lengths of the stirring blades are gradually increased; and a plurality of through holes are evenly arranged on the stirring blades;

[0012] Preferably, the stirring blade is detachably connected to the rotating shaft;

[0013] Beneficial effects: Compared with the prior art, the utility model is detachably connected to the rotating shaft through the connecting shaft, which is convenient for replacement and cleaning, and the device has a simple structure and strong practicality. Secondly, by providing a protective sleeve at the connection between the connecting shaft and the rotating shaft, the internal parts of the connection can be better protected; BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 : Schematic diagram of the structure of the utility model;

[0015] Figure 2 : A-direction sectional view of the utility model;

[0016] In the figure: mixing box 1, cover plate 2, support base 3, motor 4, connecting shaft 5, rotating shaft 6, mixing blade 7, fixing block 8, convex plate 9, connecting plate 10, bolt 11, nut 12, protective cover 13, supporting foot 14, feed port 15, discharge port 16, collecting box 17, exhaust pipe 18, outlet pipe 19; DETAILED DESCRIPTION

[0017] Next, combine with Figure 1-2 A specific embodiment of the utility model is described in detail.

[0018] A stirring device for acetophenone production, comprising a stirring box 1, wherein the lower end of the stirring box 1 is in an arc shape, a cover plate 2 is provided at the upper end of the stirring box 1, support seats 3 are fixedly provided on both sides of the stirring box 1, a motor 4 is fixedly provided on the upper end of the left support seat 3, and a fixing block 8 is fixedly provided on the upper end of the right support seat 3, two connecting shafts 5 are penetrated in the stirring box 1, the connecting shafts 5 are connected to the side wall bearings of the stirring box 1, the protruding end of the connecting shaft 5 on the left is fixedly connected to the output end of the motor 4, and the protruding end of the connecting shaft 5 on the right is connected to the fixing block 8 with a bearing, a rotating shaft 6 is provided between the two connecting shafts 5, and the connecting shafts 5 on the left and right sides are detachably connected to the rotating shaft 6; a plurality of stirring blades 7 are evenly provided on the rotating shaft 6, and the stirring blades 7 are symmetrically arranged up and down;

[0019] As mentioned above, the connecting shafts 5 on the left and right sides are detachably connected to the rotating shaft 6. Specifically, two convex plates 9 are provided on both sides of the rotating shaft 6, and a groove is formed between the two convex plates 9. A connecting plate 10 matching the groove is provided on one side of the connecting shaft 5 on the left and right sides. A bolt 11 is provided on the upper end of the convex plate 9. The bolt 11 penetrates the convex plate 9 and the connecting plate 10 and fixes the convex plate 9 and the connecting plate 10 through a nut 12 provided under the convex plate 9 at the lower end; that is, the connecting shaft 5 and the rotating shaft 6 are fixed by the bolt 11 and the nut 12 when in use. When the stirring device needs to be cleaned or replaced, the bolt 11 and the nut 12 are unscrewed, so that the connecting shaft 5 and the rotating shaft 6 are separated and taken out for cleaning or replacement;

[0020] A protective sleeve 13 is provided at the connection between the connecting shaft 5 and the rotating shaft 6, and the protective sleeve 13 is clearance-matched with the connecting shaft 5 and the rotating shaft 6, that is, after connection, the protective sleeve 13 is slid to the connection to protect the internal components;

[0021] In this embodiment, two supporting feet 14 are provided at the lower end of the mixing box 1, and rubber pads are provided at the lower ends of the supporting feet 14;

[0022] In this embodiment, a feed port 15 is provided on the cover plate 2, and a discharge port 16 is provided at the lower end of the mixing box 1;

[0023] In this embodiment, a collecting box 17 is provided on one side of the upper end of the cover plate, an exhaust pipe 18 is provided on one side of the collecting box 17, and an outlet pipe 19 is provided on the other side, one end of the outlet pipe 19 is connected to the inside of the mixing box 1, and the other end is connected to the bottom of the collecting box 17, one end of the exhaust pipe 18 is connected to the upper end of the collecting box 17, and the other end is connected to the outside; a sodium hydroxide solution is provided inside the collecting box 17 to collect the hydrogen chloride gas generated during the reaction;

[0024] In this embodiment, the stirring blades 7 are also symmetrically arranged on the left and right, and the length of the stirring blades 7 increases step by step; a plurality of through holes are evenly arranged on the stirring blades 7; the stirring blades 7 are detachably connected to the rotating shaft 6;

[0025] Compared with the prior art, the utility model is detachably connected to the rotating shaft through the connecting shaft, which is convenient for replacement and cleaning, and the device has a simple structure and strong practicality. Secondly, by providing a protective sleeve at the connection between the connecting shaft and the rotating shaft, the components inside the connection can be better protected;

[0026] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A stirring device for acetophenone production, characterized in that: The invention comprises a mixing box (1), the lower end of which is in an arc shape, the upper end of which is provided with a cover plate (2), support seats (3) are fixedly provided on both sides of the mixing box (1), a motor (4) is fixedly provided on the upper end of the left support seat (3), and a fixing block (8) is fixedly provided on the upper end of the right support seat (3), two connecting shafts (5) are provided through the mixing box (1), the connecting shafts (5) are connected to the bearings of the side walls of the mixing box (1), the protruding end of the left connecting shaft (5) is fixedly connected to the output end of the motor (4), and the protruding end of the right connecting shaft (5) is connected to the bearing of the fixing block (8), a rotating shaft (6) is provided between the two connecting shafts (5), and the connecting shafts (5) on the left and right sides are detachably connected to the rotating shaft (6); a plurality of stirring blades (7) are evenly provided on the rotating shaft (6), and the stirring blades (7) are symmetrically arranged up and down; Two convex plates (9) are provided on both sides of the rotating shaft (6), and a groove is formed between the two convex plates (9). A connecting plate (10) matching the groove is provided on one side of the connecting shaft (5) on the left and right sides. A bolt (11) is provided on the upper end of the convex plate (9), and the bolt (11) passes through the convex plate (9) and the connecting plate (10) and fixes the convex plate (9) and the connecting plate (10) through a nut (12) provided below the convex plate (9) at the lower end.

2. A stirring device for acetophenone production according to claim 1, characterized in that: A protective sleeve (13) is provided at the connection point between the connecting shaft (5) and the rotating shaft (6), and the protective sleeve (13) is clearance-matched with the connecting shaft (5) and the rotating shaft (6).

3. A stirring device for acetophenone production according to claim 1, characterized in that: Two supporting feet (14) are provided at the lower end of the mixing box (1), and rubber pads are provided at the lower ends of the supporting feet (14).

4. A stirring device for acetophenone production according to claim 1, characterized in that: A material inlet (15) is provided on the cover plate (2), and a material outlet (16) is provided at the lower end of the mixing box (1).

5. A stirring device for acetophenone production according to claim 1, characterized in that: A collecting box (17) is provided on one side of the upper end of the cover plate, an exhaust pipe (18) is provided on one side of the collecting box (17), and an exhaust pipe (19) is provided on the other side, one end of the exhaust pipe (19) is connected to the interior of the stirring box (1), and the other end is connected to the bottom of the collecting box (17), one end of the exhaust pipe (18) is connected to the upper end of the interior of the collecting box (17), and the other end is connected to the outside; a sodium hydroxide solution is provided inside the collecting box (17).

6. A stirring device for acetophenone production according to claim 1, characterized in that: The stirring blades (7) are also symmetrically arranged on the left and right, and the length of the stirring blades (7) increases step by step; a plurality of through holes are evenly arranged on the stirring blades (7).

7. A stirring device for acetophenone production according to claim 6, characterized in that: The stirring blade (7) is detachably connected to the rotating shaft (6).

Images