Methyl monoethanolamine continuous production device

Abstract

The utility model belongs to the technical field of production devices, and particularly relates to a methyl monoethanolamine continuous production device which comprises a base, two L-shaped fixing columns are fixedly connected to the upper surface of the base, the opposite sides of the two L-shaped fixing columns are jointly and fixedly connected with a mixing tank, a rotating groove is formed in one side of the interior of the mixing tank, and a rotating shaft is arranged in the rotating groove. By arranging a second outer gear, an inner gear ring, a stirring plate and the like, a rotating motor drives a first belt pulley to rotate, the first belt pulley drives a stirring rod and a first outer gear to rotate through a rotating column, and the stirring rod stirs mixed liquid, so that the mixed liquid can be fully mixed; the first outer gear drives the inner gear ring to move in opposite directions through the two second outer gears, the inner gear ring drives the stirring plate to rotate, and the stirring plate stirs a mixed solution which is close to the inner side wall of the mixing tank and has a relatively high temperature, so that the mixed solution in the mixing tank can be uniformly heated, and the reaction efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of production devices, in particular to a continuous production device for methyl monoethanolamine. Background Art

[0002] Methyl monoethanolamine, also known as methylaminoethanol, is a colorless, transparent liquid with a strong ammonia smell at room temperature. It is widely used in fertilizer plants, synthetic ammonia plants, refineries, and desulfurization and decarbonization, and can also be used in the production of pharmaceutical intermediates, coating solvents, and activators, etc.

[0003] However, in existing equipment, when producing methyl monoethanolamine, ethylene oxide needs to be mixed and reacted with monomethylamine. During the reaction, it is necessary to ensure that the temperature of the mixed liquid inside the mixing tank is constant to improve the reaction quality of the mixed liquid. Therefore, a continuous production device for methyl monoethanolamine is proposed. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art, and a continuous production device for methyl monoethanolamine is proposed.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: A continuous production device for methyl monoethanolamine, including a base, two L-shaped fixing columns are fixedly connected to the upper surface of the base, a mixing tank is fixedly connected to the opposite sides of the two L-shaped fixing columns, a rotating groove is opened on one side inside the mixing tank, a metering pump is fixedly connected to the upper surface of the mixing tank, an L-shaped fixing plate is fixedly connected to the upper surface of the mixing tank, a rotating structure is arranged on the L-shaped fixing plate, a fixing box is fixedly connected to one side of the mixing tank, a sliding groove is opened on one side inside the fixing box, a moving structure is arranged in the sliding groove, a constant temperature cavity is opened inside the mixing tank, a first threaded water pipe is fixedly connected to one side inside the constant temperature cavity, one end of the first threaded water pipe penetrates through one side of the mixing tank and is fixedly connected to a water pump, and the water outlet end of the water pump is fixedly connected to a second threaded water pipe, and one end of the second threaded water pipe is fixedly connected to the other end of the first threaded water pipe.

[0006] As a further description of the above technical solution:

[0007] The rotating structure includes a rotating motor fixedly connected to the upper surface of the L-shaped fixing plate, a first pulley is fixedly connected to the output shaft of the rotating motor, and a first belt is movably arranged on the first pulley.

[0008] As a further description of the above technical solution:

[0009] The bottom of the first pulley is fixedly connected to a rotating column, one end of the rotating column penetrates through and is rotatably connected to the upper surface of the mixing tank, a plurality of stirring rods are fixedly connected to the rotating column, and a first external gear is fixedly connected to the rotating column.

[0010] As a further description of the above technical solution:

[0011] The inner top of the mixing tank is rotatably connected to two second external gears, and the two second external gears are meshed with the first external gear. An internal gear ring is rotatably connected in the rotating groove, and the internal gear ring is meshed with the two second external gears. A stirring plate is fixedly connected to the bottom of the internal gear ring.

[0012] As a further description of the above technical solution:

[0013] The moving structure comprises a reciprocating screw rod rotatably connected inside the sliding groove, the upper surface of the reciprocating screw rod is fixedly connected with a second pulley, and the second pulley is connected to the first pulley through a belt transmission.

[0014] As a further description of the above technical solution:

[0015] A sliding block is threadedly connected to the reciprocating screw rod, the sliding block is slidably connected in the sliding groove, and a heating lamp is fixedly connected to one side of the sliding block.

[0016] The utility model has the following beneficial effects:

[0017] 1. Compared with the prior art, the device for continuous production of methyl monoethanolamine is provided with a rotating motor, a first pulley, a rotating column, a stirring rod, a first external gear, a second external gear, an internal gear ring and a stirring plate, etc. The rotating motor drives the first pulley to rotate, the first pulley drives the stirring rod and the first external gear to rotate through the rotating column, the stirring rod stirs the mixed liquid so that the mixed liquid can be fully mixed, the first external gear drives the internal gear ring to move in opposite directions through two second external gears, the internal gear ring drives the stirring plate to rotate, the stirring plate stirs the mixed liquid with a higher temperature close to the inner wall of the mixing tank, so that the mixed liquid in the mixing tank can be evenly heated, and the reaction efficiency is improved.

[0018] 2. Compared with the prior art, the device for continuous production of methyl monoethanolamine is provided with a reciprocating screw, a second pulley, a sliding block and a heating lamp, etc. The first pulley drives the second pulley to rotate through a belt, the second pulley drives the reciprocating screw to rotate, the reciprocating screw drives the sliding block to slide back and forth in the sliding groove, the sliding block drives the heating lamp to move and heat the second threaded water pipe, so that the water in the second threaded water pipe is evenly heated, avoiding excessive temperature difference on the mixing tank, which affects the reaction quality of the mixed liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the methyl monoethanolamine continuous production device proposed by the utility model;

[0020] Figure 2 The plan view of the continuous production device of methyl monoethanolamine proposed by the present utility model;

[0021] Figure 3 The sectional view of the continuous production device of methyl monoethanolamine proposed by the present utility model;

[0022] Figure 4 The schematic diagram of the rotating structure of the continuous production device of methyl monoethanolamine proposed by the present utility model;

[0023] Figure 5 The exploded view of the rotating structure of the continuous production device of methyl monoethanolamine proposed by the present utility model;

[0024] Figure 6 The schematic diagram of the first threaded water pipe and the second threaded water pipe of the continuous production device of methyl monoethanolamine proposed by the present utility model;

[0025] Figure 7 The exploded view of the moving structure and the fixed box of the continuous production device of methyl monoethanolamine proposed by the present utility model.

[0026] Legend description:

[0027] 1. Base; 2. L-shaped fixing column; 3. Mixing tank; 4. Metering pump; 5. L-shaped fixing plate; 6. Rotating structure; 601. Rotating motor; 602. First pulley; 603. Rotating column; 604. Stirring rod; 605. First external gear; 606. Second external gear; 607. Inner tooth ring; 608. Stirring plate; 609. First belt; 7. Fixed box; 8. Moving structure; 801. Reciprocating lead screw; 802. Second pulley; 803. Sliding block; 804. Heating lamp; 9. Constant temperature chamber; 10. First threaded water pipe; 11. Water pump; 12. Second threaded water pipe. Specific embodiments

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0029] Refer to Figures 1 to 7, the continuous production device of methyl monoethanolamine provided by the utility model: includes a base 1, two L-shaped fixing columns 2 are fixedly connected to the upper surface of the base 1, a mixing tank 3 is fixedly connected to the opposite sides of the two L-shaped fixing columns 2, a rotating groove is opened on one side inside the mixing tank 3, a metering pump 4 is fixedly connected to the upper surface of the mixing tank 3, an L-shaped fixing plate 5 is fixedly connected to the upper surface of the mixing tank 3, a rotating structure 6 is provided on the L-shaped fixing plate 5, a fixing box 7 is fixedly connected to one side of the mixing tank 3, a sliding groove is opened on one side inside the fixing box 7, a moving structure 8 is provided in the sliding groove, a constant temperature cavity 9 is opened inside the mixing tank 3, a first threaded water pipe 10 is fixedly connected to one side inside the constant temperature cavity 9, one end of the first threaded water pipe 10 penetrates through one side of the mixing tank 3 and is fixedly connected to a water pump 11, the water outlet end of the water pump 11 is fixedly connected to a second threaded water pipe 12, one end of the second threaded water pipe 12 is fixedly connected to the other end of the first threaded water pipe 10, a heating lamp 804 heats the second threaded water pipe 12, the hot water in the second threaded water pipe 12 is pumped into the first threaded water pipe 10 through the water pump 11, and then is transported into the water inlet of the water pump 11 through the first threaded water pipe 10 to form a cycle to heat the mixing tank 3;

[0030] Referring to Figure 3 , Figure 4 and Figure 5 , in order to achieve the purpose of stirring, the rotating structure 6 includes a rotating motor 601 fixedly connected to the upper surface of the L-shaped fixing plate 5, a first pulley 602 is fixedly connected to the output shaft of the rotating motor 601, a first belt 609 is movably provided on the first pulley 602, a rotating column 603 is fixedly connected to the bottom of the first pulley 602, one end of the rotating column 603 penetrates through and is rotatably connected to the upper surface of the mixing tank 3, a plurality of stirring rods 604 are fixedly connected to the rotating column 603, a first external gear 605 is fixedly connected to the rotating column 603, two second external gears 606 are rotatably connected to the inner top of the mixing tank 3, both of the two second external gears 606 are meshed with the first external gear 605, an internal gear ring 607 is rotatably connected in the rotating groove, the internal gear ring 607 is meshed with the two second external gears 606, a stirring plate 608 is fixedly connected to the bottom of the internal gear ring 607, the rotating motor 601 drives the first pulley 602 to rotate, the first pulley 602 drives the stirring rods 604 and the first external gear 605 to rotate through the rotating column 603, the stirring rods 604 stir the mixed liquid so that the mixed liquid can be fully mixed, the first external gear 605 drives the internal gear ring 607 to move in the opposite direction through the two second external gears 606, the internal gear ring 607 drives the stirring plate 608 to rotate, and the stirring plate 608 stirs the mixed liquid with a higher temperature close to the inner side wall of the mixing tank 3 so that the mixed liquid in the mixing tank 3 can be evenly heated and the reaction efficiency is improved;

[0031] Referring to Figure 3 and Figure 7, To achieve the purpose of mobile heating, the mobile structure 8 includes a reciprocating lead screw 801 rotatably connected inside the sliding groove. A second pulley 802 is fixedly connected to the upper surface of the reciprocating lead screw 801. The second pulley 802 is drivingly connected to the first pulley 602 through a first belt 609. A sliding block 803 is threadedly connected to the reciprocating lead screw 801. The sliding block 803 is slidably connected in the sliding groove. A heating lamp 804 is fixedly connected to one side of the sliding block 803. The first pulley 602 drives the second pulley 802 to rotate through the first belt 609. The second pulley 802 drives the reciprocating lead screw 801 to rotate. The reciprocating lead screw 801 drives the sliding block 803 to reciprocate in the sliding groove. The sliding block 803 drives the heating lamp 804 to perform mobile heating on the second threaded water pipe 12, so that the water in the second threaded water pipe 12 is evenly heated, avoiding too large a temperature difference on the mixing tank 3 and affecting the reaction quality of the mixed liquid.

[0032] Working principle: Ethylene oxide and monomethylamine are transported into the mixing tank 3 through the metering pump 4. Then, the heating lamp 804 heats the second threaded water pipe 12. The hot water in the second threaded water pipe 12 transports the water into the first threaded water pipe 10 through the water pump 11, and then is transported into the water inlet of the water pump 11 through the first threaded water pipe 10 to form a cycle to heat the mixing tank 3. Then, the rotating motor 601 drives the first pulley 602 to rotate. The first pulley 602 drives the stirring rod 604 and the first external gear 605 to rotate through the rotating column 603. The stirring rod 604 stirs the mixed liquid so that the mixed liquid can be fully mixed. The first external gear 605 drives the inner tooth ring 607 to move in opposite directions through two second external gears 606. The inner tooth ring 607 drives the stirring plate 608 to rotate. The stirring plate 608 stirs the mixed liquid with a higher temperature close to the inner side wall of the mixing tank 3, so that the mixed liquid in the mixing tank 3 can be evenly heated, improving the reaction efficiency. At the same time, the first pulley 602 drives the second pulley 802 to rotate through the first belt 609. The second pulley 802 drives the reciprocating lead screw 801 to rotate. The reciprocating lead screw 801 drives the sliding block 803 to reciprocate in the sliding groove. The sliding block 803 drives the heating lamp 804 to perform mobile heating on the second threaded water pipe 12, so that the water in the second threaded water pipe 12 is evenly heated, avoiding too large a temperature difference on the mixing tank 3 and affecting the reaction quality of the mixed liquid.

[0033] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A methylethanolamine continuous production device, comprising a base (1), characterized in that: Two L-shaped fixing columns (2) are fixedly connected to the upper surface of the base (1); a mixing tank (3) is fixedly connected to the opposite sides of the two L-shaped fixing columns (2); a rotating groove is provided on one side of the interior of the mixing tank (3); a metering pump (4) is fixedly connected to the upper surface of the mixing tank (3); an L-shaped fixing plate (5) is fixedly connected to the upper surface of the mixing tank (3); a rotating structure (6) is provided on the L-shaped fixing plate (5); a fixing box (7) is fixedly connected to one side of the mixing tank (3); and the fixing box (7) is fixedly connected to the other side of the mixing tank (3). A sliding groove is provided on one side of the interior of the mixing tank (7), and the sliding groove is provided with a movable structure (8). A constant temperature chamber (9) is provided inside the mixing tank (3), and a first threaded water pipe (10) is fixedly connected to one side of the interior of the constant temperature chamber (9). One end of the first threaded water pipe (10) passes through one side of the mixing tank (3) and is fixedly connected to a water pump (11). The water outlet end of the water pump (11) is fixedly connected to a second threaded water pipe (12), and one end of the second threaded water pipe (12) is fixedly connected to the other end of the first threaded water pipe (10).

2. The continuous production device for methyl monoethanolamine according to claim 1, characterized in that: The rotating structure (6) comprises a rotating motor (601) fixedly connected to the upper surface of the L-shaped fixed plate (5), the output shaft of the rotating motor (601) being fixedly connected to a first pulley (602), and a belt 1 (609) being movably provided on the first pulley (602).

3. The continuous production device of methyl monoethanolamine according to claim 2, characterized in that: A rotating column (603) is fixedly connected to the bottom of the first pulley (602), one end of the rotating column (603) passes through and is rotatably connected to the upper surface of the mixing tank (3), a plurality of stirring rods (604) are fixedly connected to the rotating column (603), and a first external gear (605) is fixedly connected to the rotating column (603).

4. The continuous production device of methyl monoethanolamine according to claim 3, characterized in that: The inner top of the mixing tank (3) is rotatably connected to two second external gears (606), and the two second external gears (606) are meshingly connected to the first external gear (605). An internal gear ring (607) is rotatably connected in the rotating groove, and the internal gear ring (607) is meshingly connected to the two second external gears (606). A stirring plate (608) is fixedly connected to the bottom of the internal gear ring (607).

5. The continuous production device for methyl monoethanolamine according to claim 2, characterized in that: The movable structure (8) includes a reciprocating screw rod (801) rotatably connected to the inside of the sliding groove, and the upper surface of the reciprocating screw rod (801) is fixedly connected to a second pulley (802), and the second pulley (802) is connected to the first pulley (602) through a belt 1 (609).

6. The continuous production device of methyl monoethanolamine according to claim 5, characterized in that: A sliding block (803) is threadedly connected to the reciprocating screw rod (801), the sliding block (803) is slidably connected in the sliding groove, and a heating lamp (804) is fixedly connected to one side of the sliding block (803).

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