CN219400123U - Novel continuous nitrification small-scale test device - Google Patents

Abstract

The utility model discloses a novel continuous nitrification small test device, which comprises a device table, wherein a kettle type nitrifier is fixedly arranged on the right side of the upper end of the device table, a stirring mechanism is arranged in the kettle type nitrifier, the stirring mechanism comprises a rotating shaft which penetrates through and is rotationally connected in the kettle type nitrifier, three groups of stirring plates are fixedly sleeved in the kettle type nitrifier on the outer side of the rotating shaft, the cooling mechanism comprises two groups of second sealing bearings fixedly sleeved on the outer side of the rotating shaft and close to the left side and the right side, a connecting pipe is fixedly sleeved on the outer side of the second sealing bearings, and the cooling mechanism further comprises a through groove which is formed in the rotating shaft. The novel continuous nitrification small-scale device can continuously absorb and take away the internal temperature of the nitrifying reaction liquid through the cooling mechanism, achieves the cooling effect, greatly improves the cooling effect by matching with the heat transfer devices such as the cooling coil pipe and the like, and achieves the purpose of continuous nitrifying reaction.

Description

Novel continuous nitrification small-scale test device

Technical Field

The utility model relates to the technical field of chemical devices, in particular to a novel continuous nitrification small-scale device.

Background

The nitration is a process of introducing nitro groups into organic compound molecules, and is carried out in a liquid phase, usually using a kettle reactor;

the nitration reaction is exothermic, the higher the temperature is, the faster the speed of the nitration reaction is, the more heat is released, the temperature runaway is more easy to cause explosion, in order to keep a certain nitration temperature, a good heat transfer device is usually required to be arranged in a nitration reactor, a cooling coil pipe and the like are arranged in the kettle besides cooling by a jacket, however, in order to realize continuous nitration reaction, the heat released by the nitration reaction needs to be further reduced.

Disclosure of Invention

The utility model mainly aims to provide a novel continuous nitrification small-scale device which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a novel continuous small test device that nitrifies, includes the device platform, the upper end right side fixed mounting of device platform has the cauldron formula nitrator, the internally mounted of cauldron formula nitrator has rabbling mechanism, rabbling mechanism is including running through and rotating the pivot of connecting in the inside of cauldron formula nitrator, the outside of pivot has fixedly cup jointed three sets of stirring boards in the inside of cauldron formula nitrator, the upper end of device platform is close to left side department and installs cooling mechanism, cooling mechanism includes two sets of fixed second sealed bearings that cup joint in the outside of pivot and are close to left and right sides department, the connecting pipe has been fixedly cup jointed in the outside of second sealed bearing, cooling mechanism is still including seting up the logical groove in the inside of pivot, be linked together between logical groove and the connecting pipe, cooling mechanism is still including six sets of condenser pipes that set up in the inside of stirring boards, be linked together between condenser pipe and the logical groove.

Preferably, the outside of pivot is close to left side department fixed sleeve has cup jointed from the bevel gear, from the rear end meshing of bevel gear is connected with the main bevel gear, the fixed grafting in centre of main bevel gear has driving motor, driving motor passes through fixed connection between mount pad and the device platform.

Preferably, the cooling mechanism further comprises a cooling box fixedly installed at the upper end of the device table and close to the left side, the right end of the cooling box is connected with a water pump through a pipeline, and the left end of the connecting pipe is communicated with the water pump.

Preferably, the right end of the connecting pipe on the right side is connected with a return pipe, the return pipe is communicated with the through groove, and the other end of the return pipe is communicated with the cooling box.

Preferably, the return pipe is fixedly arranged on the upper side of the device table through three groups of fixing plates.

Preferably, a feeding hole is formed in the position, close to the left side, of the upper end of the kettle-type nitrifier, a discharging hole is formed in the position, close to the lower side, of the right end of the kettle-type nitrifier, and first sealing bearings are arranged at the connection positions of the rotating shaft and the kettle-type nitrifier.

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

the internal temperature of the nitration reaction liquid can be continuously absorbed and taken away through the cooling mechanism, the cooling effect is achieved, the cooling effect is greatly improved by matching with heat transfer devices such as cooling coils and the like, and the purpose of continuous nitration reaction is achieved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a novel continuous nitrification small-scale apparatus of the present utility model;

FIG. 2 is a schematic view of a partial cross-sectional structure of a novel continuous nitrification small-scale apparatus of the present utility model;

FIG. 3 is an enlarged schematic view of the construction of the novel continuous nitrification apparatus of the present utility model at A in FIG. 2;

FIG. 4 is an enlarged schematic view of the structure of the novel continuous nitrification apparatus of the present utility model at B in FIG. 2.

In the figure: 1. a device table; 2. a kettle-type nitrifier; 3. a stirring mechanism; 31. a driving motor; 32. a main bevel gear; 33. a slave bevel gear; 34. a rotating shaft; 35. a stirring plate; 36. a first sealed bearing; 4. a cooling mechanism; 41. a cooling box; 42. a water pump; 43. a second sealed bearing; 44. a connecting pipe; 45. a through groove; 46. a condensing tube; 47. a return pipe; 48. a fixing plate; 5. a feed inlet; 6. and a discharge port.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, a novel continuous nitrification small test device comprises a device table 1, wherein a kettle-type nitrifier 2 is fixedly installed on the right side of the upper end of the device table 1, a stirring mechanism 3 is installed in the kettle-type nitrifier 2, the stirring mechanism 3 comprises a rotating shaft 34 penetrating through and rotationally connected in the kettle-type nitrifier 2, three groups of stirring plates 35 are fixedly sleeved in the kettle-type nitrifier 2 on the outer side of the rotating shaft 34, a cooling mechanism 4 is installed at the position, close to the left side, of the upper end of the device table 1, the cooling mechanism 4 comprises two groups of second sealing bearings 43 fixedly sleeved on the outer side, close to the left side and the right side, of the rotating shaft 34, a connecting pipe 44 is fixedly sleeved on the outer side of the second sealing bearings 43, the cooling mechanism 4 further comprises a through groove 45 arranged in the rotating shaft 34, the through groove 45 is communicated with the connecting pipe 44, the cooling mechanism 4 further comprises six groups of condensing pipes 46 arranged in the stirring plates 35, and the condensing pipes 46 are communicated with the through groove 45;

the stirring plate 35 can be driven to rotate through the rotation of the rotating shaft 34, the reaction liquid of the kettle-type nitrifier 2 is stirred and mixed through the rotation of the stirring plate 35, so that the reaction speed is increased, the overhigh local reaction temperature is avoided, the cooling liquid in the cooling box 41 can be pumped out through starting the water pump 42, the second sealing bearing 43 is fixedly sleeved on the periphery of the rotating shaft 34, the connecting pipe 44 is fixedly sleeved on the periphery of the second sealing bearing 43, the connecting pipe 44 is communicated with the output port of the water pump 42, the normal rotation of the rotating shaft 34 is not influenced, the cooling liquid is enabled to enter the through groove 45 in the rotating shaft 34, and enters the inside of the condensing pipe 46 under the driving of pressure when the condensing pipe 46 is encountered, so that the temperature in the nitrifying reaction liquid can be absorbed and taken away through the cooling liquid when the rotating shaft 34 drives the stirring plate 35 to rotate.

A slave bevel gear 33 is fixedly sleeved on the outer side of the rotating shaft 34 close to the left side, a main bevel gear 32 is connected with the rear end of the slave bevel gear 33 in a meshed manner, a driving motor 31 is fixedly spliced in the middle of the main bevel gear 32, and the driving motor 31 is fixedly connected with the device table 1 through a mounting seat;

the driving motor 31 is started to drive the main bevel gear 32 to rotate, the auxiliary bevel gear 33 is driven to rotate through the rotation of the main bevel gear 32, and the rotating shaft 34 is driven to rotate through the rotation of the auxiliary bevel gear 33.

The cooling mechanism 4 further comprises a cooling box 41 fixedly installed at the upper end of the device table 1 near the left side, the right end of the cooling box 41 is connected with a water pump 42 through a pipeline, the left end of a left connecting pipe 44 is communicated with the water pump 42, the right end of a right connecting pipe 44 is connected with a return pipe 47, the return pipe 47 is communicated with the through groove 45, and the other end of the return pipe 47 is communicated with the cooling box 41;

the cooling liquid absorbing heat finally flows back into the cooling box 41 from the right end of the through groove 45 through the return pipe 47, can be matched with equipment such as an air cooler and the like to cool the cooling liquid in the return pipe 47, continuously absorbs the internal temperature of the nitration reaction liquid in the repeated process, achieves the cooling effect, and is matched with heat transfer devices such as a cooling coil pipe and the like to greatly improve the cooling effect of the device, so that the purpose of continuous nitration reaction is realized.

The return pipe 47 is fixedly installed on the upper side of the apparatus table 1 through three sets of fixing plates 48;

for supporting the return pipe 47, ensuring the rationality of the structure.

A feed inlet 5 is formed in the position, close to the left side, of the upper end of the kettle-type nitrifier 2, a discharge outlet 6 is formed in the position, close to the lower side, of the right end of the kettle-type nitrifier 2, and a first sealing bearing 36 is arranged at the joint of the rotating shaft 34 and the kettle-type nitrifier 2;

the feed inlet 5 is connected with a feeding device, the nitration reaction solvent is added, the solution after the reaction is completed flows out by opening the discharge outlet 6, and the tightness between the rotating shaft 34 and the kettle type nitrator 2 is ensured by the first sealing bearing 36.

Working principle:

during the use, drive the main bevel gear 32 through starting driving motor 31 and rotate, it rotates to drive from bevel gear 33 through main bevel gear 32, it rotates through rotating from bevel gear 33 and drive pivot 34 and rotate, can drive stirring board 35 through pivot 34 rotation, the reaction liquid to kettle type nitrifier 2 stirs and mixes through stirring board 35 rotation, thereby reaction speed has been accelerated, local reaction temperature is avoided simultaneously, can take out the coolant liquid in the cooler 41 through starting water pump 42, because the fixed second sealed bearing 43 that cup joints of periphery of pivot 34, the connecting pipe 44 has been fixedly cup jointed to the periphery of second sealed bearing 43, the connecting pipe 44 is linked together with the delivery outlet of water pump 42, so when not influencing pivot 34 normal rotation, make the coolant liquid enter into the inside of condenser pipe 46 under the drive of pressure when meetting condenser pipe 46, therefore when pivot 34 drives stirring board 35 rotation, can take away the inside temperature absorption of nitration reaction liquid through flowing back 47 in the cooler, finally, can be carried out the cooling liquid in the cooling device such as cooling down in the cooler through the back pipe 47, the cooling device in the cooling down effect of cooling back pipe 47, the cooling device such as can be cooled down in the cooling device that the cooling device is carried out in the cooling down process of the cooling device is repeated, the cooling device is realized, the cooling effect of the cooling down in the cooling device of the cooling device is greatly in the cooling down process of the cooling down, the cooling device of the inside of the cooling device is realized.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a novel continuous nitration is little tried on a journey device, includes device table (1), its characterized in that: the utility model provides a cooling device for the kettle type nitrator, including device platform (1), upper end right side fixed mounting of device platform (1) has kettle type nitrator (2), internally mounted of kettle type nitrator (2) has rabbling mechanism (3), rabbling mechanism (3) are including running through and rotating pivot (34) of connecting in the inside of kettle type nitrator (2), three stirring board (35) have been cup jointed in the inside of kettle type nitrator (2) in the outside of pivot (34), the upper end of device platform (1) is close to left side department and installs cooling mechanism (4), cooling mechanism (4) include two sets of fixed second sealed bearing (43) of cup jointing in the outside of pivot (34) near left and right sides department, connecting pipe (44) have been cup jointed in the outside of second sealed bearing (43), cooling mechanism (4) still including seting up logical groove (45) in the inside of pivot (34), be linked together between logical groove (45) and connecting pipe (44), cooling mechanism (4) still including six sets up condenser pipe (46) in the inside of stirring board (35), link to each other with logical groove (46).

2. The novel continuous nitrification small-scale apparatus according to claim 1, wherein: the outside of pivot (34) is close to left side department fixed sleeve has cup jointed from bevel gear (33), the rear end meshing of following bevel gear (33) is connected with main bevel gear (32), the fixed grafting in centre department of main bevel gear (32) has driving motor (31), driving motor (31) are through fixed connection between mount pad and the device platform (1).

3. The novel continuous nitrification small-scale apparatus according to claim 1, wherein: the cooling mechanism (4) further comprises a cooling box (41) fixedly installed at the upper end of the device table (1) and close to the left side, the right end of the cooling box (41) is connected with a water pump (42) through a pipeline, and the left end of the connecting pipe (44) is communicated with the water pump (42).

4. The novel continuous nitrification small-scale apparatus according to claim 1, wherein: the right end of the connecting pipe (44) on the right side is connected with a return pipe (47), the return pipe (47) is communicated with the through groove (45), and the other end of the return pipe (47) is communicated with the cooling box (41).

5. The novel continuous nitrification small-scale apparatus as claimed in claim 4, wherein: the return pipe (47) is fixedly arranged on the upper side of the device table (1) through three groups of fixing plates (48).

6. The novel continuous nitrification small-scale apparatus according to claim 1, wherein: the upper end of cauldron formula nitrator (2) is close to left side department and is provided with feed inlet (5), the right-hand member of cauldron formula nitrator (2) is close to downside department and is provided with discharge gate (6), the junction of pivot (34) and cauldron formula nitrator (2) all is provided with first sealed bearing (36).