CN219186924U

CN219186924U - Adiponitrile nitrile reactor

Info

Publication number: CN219186924U
Application number: CN202320798252.8U
Authority: CN
Inventors: 石晓旭; 杨爱军
Original assignee: Tianjin Jiaruitaihe Technology Development Co ltd
Current assignee: Tianjin Jiaruitaihe Technology Development Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-06-16
Anticipated expiration: 2033-04-12

Abstract

The utility model belongs to the technical field of chemical reactors, and discloses an adiponitrile nitrile reactor, which comprises a base, wherein the two sides of the top of the base are fixedly provided with four supporting legs, reaction kettles are fixedly connected between the tops of the four supporting legs, and the bottom end of the inner wall of the reaction kettle is movably sleeved with an air inlet pipe body. According to the utility model, the air inlet pipe body, the transverse pipe, the air cylinder, the spiral groove and the sliding block are arranged, the lifting block can be driven to move upwards or downwards by starting the air cylinder, the spiral groove can be driven to move upwards or downwards due to the movement of the lifting block, the inner wall of the sliding block can be extruded due to the movement of the spiral groove, so that the air inlet pipe body drives the transverse pipe to rotate, the gas materials are distributed more uniformly due to the rotation of the transverse pipe, and the effect that the reactant materials are contacted more fully is finally realized, so that the reaction effect is better.

Description

Adiponitrile nitrile reactor

Technical Field

The utility model belongs to the technical field of chemical reactors, and particularly relates to an adiponitrile nitrile reactor.

Background

An important device for preparing adiponitrile in an adiponitrile nitrile reactor at present is that a worker can send adipic acid and excessive ammonia into the adiponitrile nitrile reactor in the presence of phosphoric acid serving as a catalyst or salts or esters thereof, react at high temperature to obtain adiponitrile, an air inlet pipe of the existing adiponitrile reactor is generally fixed, a gas material is sent out from the air inlet pipe and then a path is fixed, and the air inlet pipe of the existing adiponitrile reactor does not have a function of guiding gas, so that the gas material directly flows upwards after being sent out from the air inlet pipe, thus the gas phase flow is concentrated, the contact between the gas phase flow and a liquid phase is insufficient, the bubbling effect is poor, the reaction is incomplete, and the adiponitrile yield is reduced, so that improvement is needed.

Disclosure of Invention

The present utility model aims to solve the above problems, and provides an adiponitrile reactor which has the advantage of enabling more sufficient contact of reactants.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an adiponitrile nitrile reactor, includes the base, the equal fixed mounting in both sides at base top has the landing leg, the quantity of landing leg is four, four fixedly connected with reation kettle between the top of landing leg, the bottom activity of reation kettle inner wall has cup jointed the intake pipe body, the bottom of intake pipe body runs through reation kettle and extends to reation kettle's below, the left side fixedly connected with of intake pipe body top is violently managed, the through-hole has been seted up to the bottom of violently managing, the middle part fixed mounting at base top has the cylinder, the top fixed mounting of cylinder has the lifter, the spiral groove has been seted up to the positive bottom of intake pipe body, the right side fixedly connected with of lifter is located the inside slider of spiral groove.

As the preferable mode of the utility model, stirring blades are fixedly arranged on two sides of the top end of the transverse pipe, the number of the stirring blades is two, and the sizes of the two stirring blades are the same.

As the preferable mode of the utility model, the middle part of the inner wall of the reaction kettle is fixedly provided with two supporting plates, reaction tubes are fixedly connected between the two supporting plates, and the tube wall thickness of the reaction tubes is uniform.

As the preferable mode of the utility model, round holes are formed around the outer surface of the reaction kettle, a toothed ring positioned outside the round holes is movably sleeved on the outer surface of the reaction kettle, the left end of the toothed ring is fixedly connected with an air inlet, and the left end of the reaction kettle is fixedly provided with an air outlet positioned below the air inlet.

As the preferable mode of the utility model, the middle part of the top end of the reaction kettle is fixedly connected with an ammonia gas outlet, the top of the left side of the reaction kettle is fixedly connected with a feed inlet, and the left end of the outer surface of the feed inlet is in threaded sleeve joint with a screw cap.

As the preferable mode of the utility model, the top end of the reaction kettle is fixedly provided with a brake motor positioned in front of the ammonia gas outlet, the other end of the output shaft of the brake motor is fixedly sleeved with a rotating shaft, and the front end of the rotating shaft is fixedly connected with a fixing rod.

As the preferable mode of the utility model, the front face of the reaction kettle is movably provided with a gear positioned above the toothed ring, the outer surface of the gear is meshed with the top of the toothed ring, the left side of the front face of the gear is hinged with a connecting rod, and the other end of the connecting rod is hinged on the left side of the fixed rod.

As the preferable mode of the utility model, the bottom of the right side of the reaction kettle is fixedly connected with a discharge port, and the right end of the discharge port is in threaded sleeve joint with a blocking cover.

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

1. according to the utility model, the air inlet pipe body, the transverse pipe, the air cylinder, the spiral groove and the sliding block are arranged, the lifting block can be driven to move upwards or downwards by starting the air cylinder, the spiral groove can be driven to move upwards or downwards due to the movement of the lifting block, the inner wall of the sliding block can be extruded due to the movement of the spiral groove, so that the air inlet pipe body drives the transverse pipe to rotate, the gas materials are distributed more uniformly due to the rotation of the transverse pipe, and the effect that the reactant materials are contacted more fully is finally realized, so that the reaction effect is better.

2. According to the utility model, the brake motor, the fixed rod, the connecting rod, the gear and the toothed ring are arranged, the rotating shaft drives the fixed rod and the connecting rod to rotate by starting the brake motor, the gear is driven to rotate together due to the rotation of the connecting rod, and the toothed ring is driven to rotate due to the meshed connection of the outer surface of the gear and the top of the toothed ring by the rotation of the gear, so that the position of the air inlet can be adjusted, the effect of changing the position of the air inlet is finally realized, and more byproducts caused by local high temperature can be prevented.

Drawings

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

FIG. 2 is a schematic view of the front cross-sectional structure of the present utility model;

FIG. 3 is a schematic side cross-sectional view of the present utility model;

FIG. 4 is a schematic top cross-sectional view of the present utility model;

FIG. 5 is a schematic view of a partial enlarged structure at A in FIG. 1;

FIG. 6 is a schematic view of a partial enlarged structure at B in FIG. 2;

fig. 7 is a partially enlarged schematic structural view of fig. 3 at C.

In the figure: 1. a base; 2. a support leg; 3. a reaction kettle; 4. an intake pipe body; 5. a transverse tube; 6. a through hole; 7. a cylinder; 8. a lifting block; 9. a spiral groove; 10. a slide block; 11. stirring the leaves; 12. a support plate; 13. a reaction tube array; 14. a round hole; 15. a toothed ring; 16. an air inlet; 17. an exhaust port; 18. an ammonia gas outlet; 19. a feed inlet; 20. screwing the cover; 21. a brake motor; 22. a rotating shaft; 23. a fixed rod; 24. a connecting rod; 25. a gear; 26. a discharge port; 27. and a blocking cover.

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.

As shown in fig. 1 to 7, the utility model provides an adiponitrile reactor, which comprises a base 1, wherein the two sides of the top of the base 1 are fixedly provided with supporting legs 2, the number of the supporting legs 2 is four, a reaction kettle 3 is fixedly connected between the tops of the four supporting legs 2, the bottom end of the inner wall of the reaction kettle 3 is movably sleeved with an air inlet pipe body 4, the bottom end of the air inlet pipe body 4 penetrates through the reaction kettle 3 and extends to the lower part of the reaction kettle 3, the left side of the top of the air inlet pipe body 4 is fixedly connected with a transverse pipe 5, the bottom end of the transverse pipe 5 is provided with a through hole 6, the middle part of the top end of the base 1 is fixedly provided with a cylinder 7, the top end of the cylinder 7 is fixedly provided with a lifting block 8, the front bottom end of the air inlet pipe body 4 is provided with a spiral groove 9, and the right side of the lifting block 8 is fixedly connected with a sliding block 10 positioned in the spiral groove 9.

Through start cylinder 7, can drive elevating block 8 upward or downward movement, owing to elevating block 8's motion, will drive helical groove 9 upward or downward movement, owing to helical groove 9's motion, will extrude slider 10's inner wall to make intake pipe body 4 drive violently manage 5 and take place to rotate, owing to violently manage 5's rotation, will make gaseous material distribution more even.

Referring to fig. 2 and 3, stirring blades 11 are fixedly installed on both sides of the top end of the transverse tube 5, the number of the stirring blades 11 is two, and the sizes of the two stirring blades 11 are the same.

As a technical optimization scheme of the utility model, through the design of the stirring blade 11, the transverse tube 5 can drive the stirring blade 11 to stir the reaction raw materials when rotating, so that the mixing effect of the raw materials is better.

Referring to fig. 2 to 4, a support plate 12 is fixedly installed in the middle of the inner wall of the reaction kettle 3, the number of the support plates 12 is two, a reaction tube array 13 is fixedly connected between the two support plates 12, and the wall thickness of the reaction tube array 13 is uniform.

As a technical optimization scheme of the utility model, through the design of uniform wall thickness of the reaction tube 13, the heat exchange between the inside and the outside of the reaction tube 13 can be more uniform during the reaction, so that excessive byproducts caused by local overheating can be avoided.

Referring to fig. 2, round holes 14 are formed around the outer surface of the reaction kettle 3, a toothed ring 15 positioned outside the round holes 14 is movably sleeved on the outer surface of the reaction kettle 3, an air inlet 16 is fixedly connected to the left end of the toothed ring 15, and an air outlet 17 positioned below the air inlet 16 is fixedly arranged at the left end of the reaction kettle 3.

As a technical solution of the present utility model, the reaction tube 13 may be heated by introducing high-pressure steam from the gas inlet 16 into the inside of the reaction tank 3, and then the steam will be introduced from the gas outlet 17 to the outside.

Referring to fig. 1 and 2, an ammonia outlet 18 is fixedly connected to the middle of the top end of the reaction kettle 3, a feed inlet 19 is fixedly connected to the top of the left side of the reaction kettle 3, and a screw cap 20 is sleeved at the left end of the outer surface of the feed inlet 19 through threads.

As a technical optimization scheme of the utility model, by screwing the screw cap 20 off from the left end of the feed port 19, the sealing effect on the feed port 19 can be released, and the worker can add raw materials into the reaction kettle 3 from the feed port 19.

Referring to fig. 1 and 3, a brake motor 21 positioned in front of an ammonia gas outlet 18 is fixedly installed at the top end of the reaction kettle 3, a rotating shaft 22 is fixedly sleeved at the other end of an output shaft of the brake motor 21, and a fixing rod 23 is fixedly connected to the front end of the rotating shaft 22.

As a technical optimization scheme of the utility model, the rotating shaft 22 can be rotated by starting the brake motor 21, so that the fixed rod 23 can be driven to rotate.

Referring to fig. 1 and 3, a gear 25 above the toothed ring 15 is movably mounted on the front surface of the reaction kettle 3, the outer surface of the gear 25 is engaged with the top of the toothed ring 15, a connecting rod 24 is hinged on the left side of the front surface of the gear 25, and the other end of the connecting rod 24 is hinged on the left side of the fixed rod 23.

As a technical optimization scheme of the utility model, through the design of the gear 25, when the fixed rod 23 drives the connecting rod 24 to rotate, the gear 25 and the toothed ring 15 can be driven to rotate together.

Referring to fig. 1 and 2, a discharge port 26 is fixedly connected to the bottom of the right side of the reaction kettle 3, and a blocking cover 27 is sleeved at the right end of the discharge port 26 in a threaded manner.

As a technical optimization of the present utility model, by removing the blocking cover 27 from the right end of the discharge port 26, the worker can collect adiponitrile after the reaction.

The working principle and the using flow of the utility model are as follows:

firstly, the staff can follow the bottom of intake pipe body 4 to the inside of reation kettle 3 and let in gaseous material, simultaneously will spiral cover 20 from the left end of pan feeding mouth 19 unscrew, will liquid material from the inside of pan feeding mouth 19 to reation kettle 3, then let in the inside of reation kettle 3 with high-pressure steam from air inlet 16, thereby can heat reaction tubulation 13, high-pressure steam will follow the gas vent 17 outwards discharge, the inside of reation kettle 3 just begins to carry out the nitrile reaction this moment, then the staff can start cylinder 7, owing to the operation of cylinder 7, will drive elevating block 8 upward or downward movement, owing to the motion of elevating block 8, will drive helical groove 9 upward or downward movement, owing to the motion of helical groove 9, will extrude the inner wall of slider 10, thereby make intake pipe body 4 drive cross tube 5 and take place the rotation, owing to the rotation of cross tube 5, will make gaseous material distribute more evenly, finally, the effect that can make the reaction material contact more abundant, thereby can make the reaction effect better, simultaneously, the rotation leaf will make the stirring leaf 11 make the reaction to stir the material, thereby make the material evenly mix.

When the position of the air inlet 16 needs to be changed by a worker to prevent the local temperature from being too high, the brake motor 21 can be started firstly, the rotating shaft 22 drives the fixing rod 23 and the connecting rod 24 to rotate due to the operation of the brake motor 21, the gear 25 is driven to rotate together due to the rotation of the connecting rod 24, the gear 25 is meshed and connected with the top of the toothed ring 15 due to the outer surface of the gear 25, the toothed ring 15 is driven to rotate due to the rotation of the gear 25, the position of the air inlet 16 can be adjusted, the brake motor 21 is closed after the air inlet 16 is rotated to the position corresponding to the toothed ring 15, the effect of changing the position of the air inlet 16 is finally realized, more byproducts can be prevented due to the local high temperature, and finally, the worker can unscrew the blocking cover 27 to collect reacted materials from the discharge hole 26.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An adiponitrile reactor, includes base (1), its characterized in that: the utility model discloses a novel air inlet pipe for the gas turbine, including base (1), four, cylinder (7) are installed to the both sides at base (1) top, the quantity of landing leg (2) is four fixedly connected with reation kettle (3) between the top of landing leg (2), air inlet pipe body (4) have been cup jointed in the bottom activity of reation kettle (3) inner wall, air inlet pipe body (4)'s bottom runs through reation kettle (3) and extends to reation kettle (3) below, air inlet pipe body (4) top's left side fixedly connected with violently pipe (5), through-hole (6) have been seted up to violently pipe (5)'s bottom, cylinder (7) are installed to the middle part fixed mounting at base (1) top, spiral groove (9) have been seted up to positive bottom of air inlet pipe body (4), the right side fixedly connected with slider (10) that are located spiral groove (9) inside.

2. An adiponitrile reactor according to claim 1, characterized in that: both sides on the top end of the transverse pipe (5) are fixedly provided with stirring blades (11), the number of the stirring blades (11) is two, and the sizes of the two stirring blades (11) are the same.

3. An adiponitrile reactor according to claim 1, characterized in that: the middle part fixed mounting of reation kettle (3) inner wall has backup pad (12), the quantity of backup pad (12) is two, two fixedly connected with reaction tubulation (13) between backup pad (12), the pipe wall thickness of reaction tubulation (13) is even.

4. An adiponitrile reactor according to claim 1, characterized in that: round holes (14) are formed in the periphery of the outer surface of the reaction kettle (3), a toothed ring (15) positioned on the outer side of the round holes (14) is movably sleeved on the outer surface of the reaction kettle (3), an air inlet (16) is fixedly connected to the left end of the toothed ring (15), and an air outlet (17) positioned below the air inlet (16) is fixedly arranged at the left end of the reaction kettle (3).

5. An adiponitrile reactor according to claim 1, characterized in that: the middle part fixedly connected with ammonia export (18) on reation kettle (3) top, the left top fixedly connected with pan feeding mouth (19) of reation kettle (3), the left end screw thread of pan feeding mouth (19) surface has cup jointed spiral cover (20).

6. An adiponitrile reactor according to claim 1, characterized in that: the top of reation kettle (3) fixed mounting has brake motor (21) that are located ammonia export (18) the place ahead, the other end of brake motor (21) output shaft has fixedly cup jointed pivot (22), the front end fixedly connected with dead lever (23) of pivot (22).

7. An adiponitrile reactor according to claim 1, characterized in that: the front movable mounting of reation kettle (3) has gear (25) that are located ring gear (15) top, the surface of gear (25) is connected with the top meshing of ring gear (15), positive left side of gear (25) articulates there is connecting rod (24), the other end of connecting rod (24) articulates the left side at dead lever (23).

8. An adiponitrile reactor according to claim 1, characterized in that: the bottom on the right side of the reaction kettle (3) is fixedly connected with a discharge port (26), and the right end of the discharge port (26) is in threaded sleeve connection with a blocking cover (27).