CN219003048U

CN219003048U - Ammonification reaction device is used in NMP production

Info

Publication number: CN219003048U
Application number: CN202222717030.7U
Authority: CN
Inventors: 刘甫先; 郭红军; 叶远飞
Original assignee: Ganzhou Zhongneng Industrial Co ltd
Current assignee: Ganzhou Zhongneng Industrial Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-05-12
Anticipated expiration: 2032-10-14

Abstract

The utility model relates to the field of NMP production and processing, and discloses an ammonification reaction device for NMP production, which comprises a reaction box, wherein a feed inlet is formed in one side of the upper end of the reaction box, a discharge outlet is formed in the lower end of one side of the reaction box, a supporting leg is fixed at the lower end of the reaction box, a mixing mechanism is arranged in the reaction box, a top cover is fixed at the upper end of the reaction box, a heating mechanism is arranged in the top cover, a motor is fixedly connected with the lower end of the reaction box through a fixing plate, a rotating shaft is fixed at the upper end of the motor, the rotating shaft rotates to penetrate the reaction box, a mounting plate is fixed at the upper end of the rotating shaft, a stirring rod is fixed at the top end of the mounting plate, the top end of the hydraulic rod is fixed on the inner wall of the top cover, a connecting plate is fixed at the bottom end of the connecting plate, and a heating rod is fixed at the lower end of the connecting plate.

Description

Ammonification reaction device is used in NMP production

Technical Field

The utility model relates to the technical field of NMP production and processing, in particular to an ammonification reaction device for NMP production.

Background

NMP is mainly produced by ammonification reaction of GBL and monomethylamine, and because the ammonification reaction is a reversible reaction, the reaction condition is harsh, and NMP is required to be generated at about 280 ℃.

However, the prior art has the following defects in use:

the existing NMP reactor has the phenomena of uneven heating and low mixing degree in the process of rapidly heating materials, so that the yield of reaction products is low, side reactions are more, and the yield of NMP is directly influenced.

Disclosure of Invention

The utility model aims to provide an ammonification reaction device for NMP production, which solves the problems of low reaction product yield and more side reactions caused by the phenomena of uneven heating and low mixing degree.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an ammonification reaction unit is used in NMP production, includes the reaction tank, the feed inlet has been seted up to upper end one side of reaction tank, and the discharge gate has been seted up to one side lower extreme, the lower extreme of reaction tank is fixed with the supporting leg, the internally mounted of reaction tank has mixing mechanism, the upper end of reaction tank is fixed with the top cap, the internally mounted of top cap has heating mechanism.

The mixing mechanism comprises a motor, a rotating shaft, a mounting plate and a stirring rod, wherein the motor is fixedly connected with the lower end of the reaction box through a fixing plate, the rotating shaft is fixed at the upper end of the motor, the rotating shaft rotates to penetrate through the reaction box, the mounting plate is fixed at the upper end of the rotating shaft, and the stirring rod is fixed at the top end of the mounting plate.

The heating mechanism comprises a hydraulic rod, a connecting plate and a heating rod, wherein the top end of the hydraulic rod is fixed on the inner wall of the top cover, the bottom end of the hydraulic rod is fixed with the connecting plate, and the lower end of the connecting plate is fixed with the heating rod.

Wherein, the lateral wall bottom of top cap is fixed with the stopper.

Wherein, the stirring rod is provided with eight, equidistant distribution is in the upper end of mounting panel.

The heating rods are arranged at five, are distributed at the lower end of the connecting plate at equal intervals, and are staggered with the stirring rods.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the raw materials are added into the reaction box by opening the feed inlet, the hydraulic rod is started to drive the connecting plate to move downwards, so that the heating rod is inserted between the stirring rods, then the materials are heated, the motor is started to drive the rotating shaft to rotate, so that the mounting plate drives the stirring rods to mix the raw materials in the reaction box, and the heating rod and the stirring rods are arranged in a staggered manner, so that the raw materials can be quickly and uniformly mixed when the heating rod heats the materials, the heated and mixed materials are more uniformly, the NMP yield is improved, the raw materials are discharged by opening the discharge port after the reaction is completed, and the device has a simple structure, is convenient to operate, can uniformly and efficiently mix the raw materials, and is worthy of popularization and use.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the utility model when heating the raw materials;

FIG. 3 is a schematic view of the structure of the installation position of the stirring rod and the heating rod of the utility model;

fig. 4 is a schematic view of the structure of the exterior of the present utility model.

In the figure: 1. a reaction box; 2. a feed inlet; 3. a discharge port; 4. a motor; 5. a rotating shaft; 6. a mounting plate; 7. a stirring rod; 8. support legs; 9. a top cover; 10. a hydraulic rod; 11. a connecting plate; 12. a heating rod; 13. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an ammonification reaction unit is used in NMP production, including reaction box 1, feed inlet 2 has been seted up to upper end one side of reaction box 1, discharge gate 3 has been seted up to one side lower extreme, the lower extreme of reaction box 1 is fixed with supporting leg 8, the internally mounted of reaction box 1 has mixing mechanism, the upper end of reaction box 1 is fixed with top cap 9, the internally mounted of top cap 9 has heating mechanism, open feed inlet 2 and add the inside of reaction box 1 with the raw materials, then start heating mechanism, drive it and move down, then start mixing mechanism and stir the raw materials, can be so that be heated evenly, mixed more even, improve the output of NMP.

Wherein, mixing mechanism includes motor 4, axis of rotation 5, mounting panel 6 and stirring rod 7, and motor 4 passes through fixed plate and the lower extreme fixed connection of reaction tank 1, and the upper end of motor 4 is fixed with axis of rotation 5, and axis of rotation 5 rotates and runs through reaction tank 1, and the upper end is fixed with mounting panel 6, and the top of mounting panel 6 is fixed with stirring rod 7, starts motor 4, drives axis of rotation 5 and rotates for mounting panel 6 drives stirring rod 7 and mixes the inside raw materials of reaction tank 1.

Wherein, heating mechanism includes hydraulic stem 10, connecting plate 11 and heating rod 12, and the top of hydraulic stem 10 is fixed on the inner wall of top cap 9, and bottom mounting has connecting plate 11, and the lower extreme of connecting plate 11 is fixed with heating rod 12, starts hydraulic stem 10, drives connecting plate 11 and moves down for heating rod 12 inserts between the stirring rod 7, then heats the material.

Wherein, the lateral wall bottom of top cap 9 is fixed with stopper 13 for the hookup bar 12's removal position prevents that it from colliding with mounting panel 6.

Wherein, stirring rod 7 is provided with eight, equidistant distribution in the upper end of mounting panel 6, can improve the stirring rate to the raw materials.

Wherein, heating rod 12 is provided with five, equidistant distribution in the lower extreme of connecting plate 11, and with stirring rod 7 crisscross setting, through heating rod 12 and stirring rod 7 crisscross setting, can be when heating rod 12 heats the material, quick carries out even mixing to the raw materials to accelerate the reaction rate between the raw materials, and then improve the output of NMP.

Working principle: when using, open feed inlet 2 and add the inside of reaction tank 1 with the raw materials, start hydraulic stem 10, drive connecting plate 11 and move down for heating rod 12 inserts between stirring rod 7, then heat the material, starter motor 4, drive axis of rotation 5 rotation, make mounting panel 6 drive stirring rod 7 mix the inside raw materials of reaction tank 1, through heating rod 12 and stirring rod 7 crisscross setting, can be when heating rod 12 heats the material, the quick mix the raw materials, can be so that be heated evenly, mixed more evenly, improve NMP's output, after the reaction work is accomplished, open discharge gate 3 and discharge the raw materials.

Claims

1. The utility model provides an ammonification reaction unit is used in NMP production, includes reaction tank (1), feed inlet (2) have been seted up to upper end one side of reaction tank (1), and discharge gate (3) have been seted up to one side lower extreme, the lower extreme of reaction tank (1) is fixed with supporting leg (8), its characterized in that: a mixing mechanism is arranged in the reaction box (1), a top cover (9) is fixed at the upper end of the reaction box (1), and a heating mechanism is arranged in the top cover (9);

the mixing mechanism comprises a motor (4), a rotating shaft (5), a mounting plate (6) and a stirring rod (7), wherein the motor (4) is fixedly connected with the lower end of the reaction box (1) through a fixing plate, the rotating shaft (5) is fixed at the upper end of the motor (4), the rotating shaft (5) rotates to penetrate through the reaction box (1), the mounting plate (6) is fixed at the upper end of the rotating shaft, and the stirring rod (7) is fixed at the top end of the mounting plate (6);

the heating mechanism comprises a hydraulic rod (10), a connecting plate (11) and a heating rod (12), wherein the top end of the hydraulic rod (10) is fixed on the inner wall of the top cover (9), the connecting plate (11) is fixed at the bottom end, and the heating rod (12) is fixed at the lower end of the connecting plate (11).

2. An ammonification reaction apparatus for NMP production according to claim 1, wherein: a limiting block (13) is fixed at the bottom end of the side wall of the top cover (9).

3. An ammonification reaction apparatus for NMP production according to claim 1, wherein: eight stirring rods (7) are arranged and are distributed at the upper end of the mounting plate (6) at equal intervals.

4. An ammonification reaction apparatus for NMP production according to claim 1, wherein: the heating rods (12) are arranged at five, are distributed at the lower end of the connecting plate (11) at equal intervals, and are staggered with the stirring rods (7).