CN213556892U

CN213556892U - Special preparation kettle for nitrating mixed acid

Info

Publication number: CN213556892U
Application number: CN202021890694.8U
Authority: CN
Inventors: 童吉庆; 张艳; 林江涛; 沈鸿
Original assignee: Hangzhou Yixiang Chemical Technology Co Ltd
Current assignee: Hangzhou Yixiang Chemical Technology Co Ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-06-29
Anticipated expiration: 2030-09-03

Abstract

The utility model discloses a nitrify special configuration cauldron of sour mixture belongs to fine chemistry industry technical field. The special configuration kettle for the nitrated mixed acid comprises a reaction kettle, wherein the inner top of the reaction kettle is rotatably connected with a hollow shaft, the inner part of the hollow shaft is rotatably connected with a hollow pipe, the lower end of the hollow pipe is fixedly connected with a curved pipe, the side wall of the lower end of the hollow shaft is fixedly connected with a plurality of supporting rods distributed circumferentially, the tail ends of the supporting rods are fixedly connected with fixing rods, the opposite side walls of the fixing rods are fixedly provided with stirring rods corresponding to the curved pipe, the hollow pipe extends to the upper end of the reaction kettle and is rotatably connected with a water inlet pipe through a rotary joint, the rotary joint is fixedly connected to the upper end of the reaction kettle through a support, and the upper end of the reaction kettle is provided with a; the utility model provides a reation kettle can be to the more abundant stirring of inside liquid to still have higher heat dissipation effect.

Description

Special preparation kettle for nitrating mixed acid

Technical Field

The utility model relates to a fine chemistry industry technical field especially relates to nitrify special configuration cauldron of sour thoughtlessly.

Background

The nitration reaction is a common fine chemical operation reaction type, and in the nitration reaction process, fuming sulfuric acid/fuming nitric acid or glacial acetic acid/fuming nitric acid mixed acid is usually added for carrying out the nitration reaction most economically and effectively. After nitration reaction, the amino group can be reduced to be converted into various functional groups such as bromine, chlorine, fluorine and the like, thereby realizing the functional conversion of various groups.

At present when using reation kettle to nitrify and mix the acid processing, because can produce higher heat at nitrifying mixed acid in-process, so reation kettle's inside generally all can install the spiral pipe that leads to there is the coolant liquid and carry out local cooling, but the temperature control effect of this kind of mode is relatively poor to the spiral pipe has influenced the stirred tank's stirred space in reation kettle, thereby makes the effect of mixing general.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a special configuration kettle for nitrating mixed acid.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a special configuration kettle for nitrating mixed acid comprises a reaction kettle, wherein the upper end and the lower end of the reaction kettle are respectively provided with a feeding pipe and a discharging pipe, the inner top of the reaction kettle is rotatably connected with a hollow shaft, the hollow shaft is rotatably connected with a hollow pipe, the lower end of the hollow pipe is fixedly connected with a curved pipe, the lower end of the curved pipe is fixedly connected with a drain pipe extending to the lower end of the reaction kettle, a plurality of support rods distributed circumferentially are fixedly connected with the side wall at the lower end of the hollow shaft, fixed rods are fixedly connected with the tail ends of the support rods, stirring rods corresponding to the curved tubes are fixedly arranged on the opposite side walls of the fixed rods, the hollow tube extends to reation kettle's upper end and rotates through rotary joint and be connected with the inlet tube, rotary joint passes through support fixed connection in reation kettle's upper end, reation kettle's upper end is equipped with the drive arrangement who is connected with hollow shaft and hollow tube.

Preferably, the driving device comprises a driving motor fixedly installed at the upper end of the reaction kettle, the output end of the driving motor is fixedly connected with a face gear, the upper end outer walls of the hollow shaft and the hollow pipe are fixedly connected with driven gears which are parallel to each other, and the driven gears are meshed with the face gear.

Preferably, the upper end of the reaction kettle is fixedly connected with a pressure relief pipe communicated with the reaction kettle, the output end of the pressure relief pipe is fixedly connected with a filter box communicated with the pressure relief pipe, a filter element is fixedly installed in the filter box, and an overflow valve is fixedly installed in an air outlet pipe of the filter box.

Preferably, it is a plurality of the dead lever all with reation kettle's inner wall shape fit, it is a plurality of the outer wall of dead lever all is equipped with the scraper blade with the laminating of reation kettle inner wall.

Preferably, the middle part of the water inlet pipe is fixedly provided with an electromagnetic valve.

Preferably, the outer walls of the face gear and the two driven gears are sleeved with protective covers.

Compared with the prior art, the utility model provides a nitrify special configuration cauldron of mixed acid possesses following beneficial effect:

1. this nitrify and mix special configuration cauldron of sour, driving motor drives two driven gear rotations and opposite direction through the face gear, two driven gear then can drive the bracing piece respectively through hollow shaft and hollow tube and rotate with bent shape pipe, pivoted bent shape pipe has promoted the radiating effect, the bracing piece then can drive the puddler through the dead lever and stir, because two driven gear rotate opposite direction, so the puddler is opposite with the rotation direction of bent shape pipe, in lead to the puddler and the crisscross rotation of bent shape pipe, not only promoted stirring effect, the radiating effect of bent shape pipe has also been promoted more.

2. This nitrify special configuration cauldron of mixed acid, when the pressure in reation kettle is great, the overflow valve is automatic to be opened under the pressure effect, and reation kettle carries out the exhaust decompression through the pressure discharge pipe to filter gas through the filter core, prevent that toxic gas from directly discharging, play the effect of purification.

Drawings

FIG. 1 is a schematic structural view of a configuration kettle special for nitrating mixed acid provided by the utility model;

FIG. 2 is a schematic structural view of the portion A in FIG. 1 of the configuration kettle special for nitrating mixed acid provided by the utility model;

FIG. 3 is a schematic structural diagram of a portion B in FIG. 1 of the configuration kettle special for nitrating mixed acid provided by the utility model;

FIG. 4 is a schematic structural view of the location C in FIG. 1 of the configuration kettle special for nitrating mixed acid provided by the utility model.

In the figure: 1. a reaction kettle; 2. a feed pipe; 3. a discharge pipe; 4. a hollow shaft; 5. a hollow tube; 6. a curved tube; 7. a drain pipe; 8. a rotary joint; 9. a water inlet pipe; 10. a support; 11. a support bar; 12. fixing the rod; 13. a stirring rod; 14. a drive motor; 15. a face gear; 16. a driven gear; 17. a squeegee; 18. a pressure discharge pipe; 19. a filter box; 20. a filter element; 21. an air outlet pipe; 22. an overflow valve; 23. an electromagnetic valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-4, a special configuration kettle for nitrating mixed acid comprises a reaction kettle 1, wherein the upper end and the lower end of the reaction kettle 1 are respectively provided with a feeding pipe 2 and a discharging pipe 3, the inner top of the reaction kettle 1 is rotatably connected with a hollow shaft 4, the inner part of the hollow shaft 4 is rotatably connected with a hollow pipe 5, the lower end of the hollow pipe 5 is fixedly connected with a curved pipe 6, the lower end of the curved pipe 6 is fixedly connected with a discharging pipe 7 extending to the lower end of the reaction kettle 1, the side wall of the lower end of the hollow shaft 4 is fixedly connected with a plurality of supporting rods 11 which are distributed circumferentially, the tail ends of the plurality of supporting rods 11 are fixedly connected with fixing rods 12, the opposite side walls of the plurality of fixing rods 12 are fixedly provided with stirring rods 13 corresponding to the curved pipe 6, the upper end of the hollow pipe 5 extending to, the cooling liquid is introduced into the hollow pipe 5 from the water inlet pipe 9, then flows into the curved pipe 6 from the hollow pipe 5, and finally is discharged from the water discharge pipe 7, during the period that the cooling liquid flows into the curved pipe 6, the cooling liquid takes away the temperature in the reaction kettle 1 through the curved pipe 6 to realize cooling, the curved pipe 6 is bent in a wave shape in a left-right reciprocating mode, and the stirring rods 13 are respectively positioned in bending gaps of the curved pipe 6 to form staggering.

The upper end of the reaction kettle 1 is provided with a driving device connected with the hollow shaft 4 and the hollow pipe 5, the driving device comprises a driving motor 14 fixedly arranged at the upper end of the reaction kettle 1, the output end of the driving motor 14 is fixedly connected with a face gear 15, the outer walls of the upper ends of the hollow shaft 4 and the hollow pipe 5 are fixedly connected with driven gears 16 which are parallel to each other, the two driven gears 16 are meshed with the face gear 15, the driving motor 14 drives the two driven gears 16 to rotate through the face gear 15 and have opposite directions, the two driven gears 16 can respectively drive the support rod 11 and the curved pipe 6 to rotate through the hollow shaft 4 and the hollow pipe 5, the heat dissipation effect of the rotating curved pipe 6 is improved, the support rod 11 can drive the stirring rod 13 to stir through the fixed rod 12, and because the rotating directions of the two driven gears 16 are opposite, the rotating directions of, therefore, the stirring rod 13 and the curved pipe 6 rotate in a staggered mode, the stirring effect is improved, and the heat dissipation effect of the curved pipe 6 is improved.

Reation kettle 1's upper end fixedly connected with presses pipe 18 rather than the exhaust of intercommunication, the output fixedly connected with who presses pipe 18 presses the rose box 19 rather than the intercommunication, fixed mounting has filter core 20 in the rose box 19, fixed mounting has overflow valve 22 in the outlet duct 21 of rose box 19, when pressure in reation kettle 1 is great, overflow valve 22 is automatic under the pressure effect to be opened, reation kettle 1 presses pipe 18 through the exhaust and exhausts the decompression, and filter gas through filter core 20, prevent that toxic gas from directly discharging, play the effect of purification.

A plurality of dead levers 12 all cooperate with reation kettle 1's inner wall shape, and the outer wall of a plurality of dead levers 12 all is equipped with the scraper blade 17 with the laminating of reation kettle 1 inner wall, and scraper blade 17 can scrape the clearance to reation kettle 1's inner wall.

The middle part of the water inlet pipe 9 is fixedly provided with an electromagnetic valve 23, which can conveniently control the flow of the water inlet pipe 9.

The outer wall covers of face gear 15 and two driven gear 16 are equipped with the protection casing, play the guard action.

The working principle is as follows: in the utility model, when in use, the cooling liquid is introduced into the hollow tube 5 from the water inlet tube 9, then flows into the curved tube 6 from the hollow tube 5, and is discharged from the water discharge pipe 7, during the cooling liquid flows into the curved tube 6, the cooling liquid takes away the temperature in the reaction kettle 1 through the curved tube 6 to realize cooling, and during the period, the driving motor 14 drives the two driven gears 16 to rotate through the face gear 15, the two driven gears 16 can respectively drive the support rod 11 and the curved tube 6 to rotate through the hollow shaft 4 and the hollow tube 5, the rotating curved tube 6 improves the heat dissipation effect, the support rod 11 can drive the stirring rod 13 to stir through the fixed rod 12, because the two driven gears 16 rotate in opposite directions, the stirring rod 13 is opposite to the rotating direction of the curved tube 6, thereby leading the stirring rod 13 to rotate in a staggered way with the curved tube 6, not only the stirring effect is improved, also promoted bent shape pipe 6's radiating effect more, when pressure in reation kettle 1 is great, overflow valve 22 is automatic to be opened under the pressure effect, and reation kettle 1 carries out the exhaust decompression through pressure discharge pipe 18 to filter gas through filter core 20, prevent that toxic gas from directly discharging, play the effect of purification.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Nitrated mixed acid special configuration cauldron, including reation kettle (1), its characterized in that, reation kettle (1)'s upper end and lower extreme are equipped with inlet pipe (2) and discharging pipe (3) respectively, reation kettle (1)'s interior top is rotated and is connected with hollow shaft (4), hollow shaft (4) inside is rotated and is connected with hollow tube (5), the lower extreme fixedly connected with bent pipe (6) of hollow tube (5), the lower extreme fixedly connected with of bent pipe (6) extends to drain pipe (7) of reation kettle (1) lower extreme, the lower extreme lateral wall fixedly connected with bracing piece (11) that a plurality of circumferences distributed of hollow shaft (4), a plurality of the equal fixedly connected with dead lever (12) in end of bracing piece (11), a plurality of the equal fixed mounting of relative lateral wall of dead lever (12) has puddler (13) corresponding with bent pipe (6), hollow tube (5) extend to the upper end of reation kettle (1) and rotate through rotary joint (8) and be connected with inlet tube (9), rotary joint (8) are through support (10) fixed connection in the upper end of reation kettle (1), the upper end of reation kettle (1) is equipped with the drive arrangement who is connected with hollow shaft (4) and hollow tube (5).

2. The special configuration kettle for the nitrated mixed acid according to claim 1, wherein the driving device comprises a driving motor (14) fixedly installed at the upper end of the reaction kettle (1), the output end of the driving motor (14) is fixedly connected with a face gear (15), the outer walls of the upper ends of the hollow shaft (4) and the hollow pipe (5) are fixedly connected with driven gears (16) which are parallel to each other, and the two driven gears (16) are meshed with the face gear (15).

3. The special configuration kettle for the nitrated mixed acid according to claim 1, wherein the upper end of the reaction kettle (1) is fixedly connected with a pressure relief pipe (18) communicated with the reaction kettle, the output end of the pressure relief pipe (18) is fixedly connected with a filter box (19) communicated with the pressure relief pipe, a filter element (20) is fixedly installed in the filter box (19), and an overflow valve (22) is fixedly installed in an air outlet pipe (21) of the filter box (19).

4. The special configuration kettle for the nitrated mixed acid according to claim 1, characterized in that a plurality of the fixing rods (12) are matched with the shape of the inner wall of the reaction kettle (1), and scrapers (17) attached to the inner wall of the reaction kettle (1) are arranged on the outer walls of the plurality of the fixing rods (12).

5. The special configuration kettle for the nitrated mixed acid according to claim 1, wherein an electromagnetic valve (23) is fixedly arranged in the middle of the water inlet pipe (9).

6. The special configuration kettle for the nitrated mixed acid according to claim 2, characterized in that protective covers are sleeved on the outer walls of the face gear (15) and the two driven gears (16).