Continuous nitration reaction kettle

Abstract

The utility model discloses a continuous nitration reaction kettle which comprises a reaction kettle body, supporting plates are arranged on the two sides of the reaction kettle body, a mounting plate is arranged on the tops of the two supporting plates, a servo motor is arranged in the middle of the bottom of the mounting plate, and a rotating rod extending into the reaction kettle body is arranged at the output end of the servo motor; through mutual cooperation of a storage bin, a uniform disc, a sleeve, a rotating rod, a servo motor, a hinge rod, a spring, a sliding block, a sliding groove, a clamping groove and a clamping rod, an operator can conveniently achieve continuous feeding work in the later period, the scalding phenomenon caused by heat dissipation during feeding is effectively prevented, then the feeding safety and convenience of the nitration reaction kettle can be improved, and the working efficiency of the nitration reaction kettle is improved. And through the structural design of the component, the sealing performance in the reaction kettle can be improved, and finally, the rotating rod is matched to drive the uniform disc to rotate, so that the uniformity of later nitric acid addition and emission can be improved.

Description

Technical Field

[0001] The utility model relates to the field of nitration reaction kettles, in particular to a continuous nitration reaction kettle. Background Art

[0002] A reactor is a container used for chemical reactions. Many chemical plants use reactors to carry out chemical reactions on raw materials. Reactors are used to complete processes such as sulfidation, nitration, hydrogenation, hydrocarbonization, polymerization and condensation.

[0003] However, when the existing nitration reactor is performing the nitration reaction, nitric acid usually needs to be manually added or dripped. Since the nitration reaction generates a large amount of heat, this method of directly adding acid is relatively dangerous. The heat may cause burns to the operator's body, which increases the inconvenience of adding materials to the nitration reactor, is not conducive to the subsequent continuous acid addition operation, and when the nitration reactor is used for a long time, precipitates will appear inside the reactor and adhere to the inner wall of the reactor. Most of the reactors are not equipped with a cleaning mechanism, which makes it inconvenient for the operator to manually clean the inside of the reactor in the later stage, thereby reducing the inconvenience and tediousness of the later cleaning. Utility Model Content

[0004] The purpose of the utility model is to provide a continuous nitration reactor, which is convenient for realizing continuous feeding of the nitration reactor, and prevents the scalding phenomenon of the operator caused by the heat during nitration, improves the safety and convenience of the later feeding use, and finally can realize the scraping work of the inner wall of the reactor, so as to facilitate the automatic cleaning operation of the inner wall of the reactor in the later stage, without the need for the operator to do it manually.

[0005] To achieve the above object, a continuous nitration reactor is provided, comprising: a reactor body, support plates are arranged on both sides of the reactor body, a mounting plate is arranged on the top of two groups of the support plates, a servo motor is arranged at the middle position of the bottom of the mounting plate, a rotating rod extending to the inside of the reactor body is arranged at the output end of the servo motor, a U-shaped scraper is arranged at the bottom of the rotating rod and fits the inner wall of the reactor body, stirring blades are evenly arranged at the bottom of the outer side of the rotating rod, and a storage bin is arranged on the inner top of the reactor body and sleeved on the outside of the rotating rod;

[0006] A sleeve is sleeved on the top of the outer side of the rotating rod, and the sleeve passes through the interior of the storage bin; a uniform disk is provided on the bottom of the sleeve and is sleeved on the outside of the rotating rod, and the uniform disk fits the bottom of the storage bin; slide grooves are provided on the tops of both sides of the rotating rod, and sliders connected to the sleeve are slidably provided on the inner tops of the two groups of slide grooves; a fixing component is provided on the top of the outer side of the sleeve, which is convenient for realizing continuous feeding of the nitration reactor and preventing scalding of the operator caused by heat during nitration, thereby improving the safety and convenience of subsequent feeding and use; finally, scraping of the inner wall of the reactor can be realized, so as to facilitate the automatic cleaning operation of the inner wall of the reactor in the later stage without the need for manual operation by the operator.

[0007] According to the continuous nitration reactor, the fixing assembly includes an articulated rod, a spring, a slot, a rod and a ring. The slots are provided with four groups, and the four groups of slots are opened at the top and middle position of the side close to each other inside the two groups of slide grooves. The rods are provided with two groups, and the two groups of rods pass through the interior of the two groups of slide blocks, and the side close to each other of the two groups of rods extends to the interior of the slots and engages with them, while the side away from each other of the two groups of rods extends to the outside of the sleeve. The side away from the tops of the two groups of rods are both provided with springs connected to the sleeve, and the side away from each other of the two groups of rods are both hinged with articulated rods. The bottoms of the two groups of articulated rods are jointly hinged with rings, and the rings are sleeved on the outside of the sleeve, so as to facilitate the operator to realize the opening and closing of the storage bin in the later stage to facilitate the later nitric acid feeding function and prevent the nitration heat from spraying out.

[0008] According to the continuous nitration reactor, a fixing block is provided on the side away from the top of the two groups of clamping rods, and the fixing block is connected to the spring, so as to facilitate the installation and stretching of the spring.

[0009] According to the continuous nitration reactor, the two groups of the clamping rods are separated from each other on one side and on both sides of the collar, and the hinge seats cooperate with the hinge rods to facilitate the installation and hinge work of the hinge rods.

[0010] According to the continuous nitration reactor, both sides of the top of the reactor body are provided with feed ports connected to the inside of the storage bin, and the inner top of the feed port is provided with a sealing cover extending to the outside thereof, so as to facilitate the subsequent material addition and sealing work to prevent scalding to personnel caused by heat eruption during the later nitration.

[0011] According to the continuous nitration reactor, a discharge port connected to the interior of the reactor body is provided at the middle position of the bottom of the reactor body, and a sealing plug is provided at the bottom of the discharge port to facilitate the later material removal and sealing work inside the reactor.

[0012] The insides of the two groups of sliding blocks are both provided with through openings communicated with the outside of the sleeve, and the through openings cooperate with the clamping rod to facilitate the movement and installation functions of the clamping rod.

[0013] According to the continuous nitration reactor, the bottoms of the two groups of support plates are both provided with placement plates, and the bottoms of the placement plates are evenly provided with anti-slip grooves, so as to improve the stability of the later placement of the nitration reactor.

[0014] Compared with the prior art, the utility model has the following beneficial effects: through the cooperation of the storage bin, the uniform disk, the sleeve, the rotating rod, the servo motor, the hinged rod, the spring, the slider, the slide groove, the clamping groove, the clamping rod and the mutual cooperation, the operator can realize the continuous feeding work in the later stage conveniently, and the scalding phenomenon caused by the heat dissipation can be effectively prevented during the feeding, thereby improving the safety and convenience of the feeding of the nitration reactor, and the sealing performance inside the reactor can be improved through the structural design of the component, and finally, the uniformity of the nitric acid addition and dissipation in the later stage can be improved by driving the uniform disk with the rotating rod;

[0015] At the same time, through the structural design of the U-shaped scraper and the fit with the reactor body, and finally through the rotation of the U-shaped scraper driven by the rotating rod, the scraping cleaning work of the inner wall of the reactor body can be realized, so as to realize the automatic cleaning function inside the nitration reactor, and no manual cleaning by the operator is required in the later stage, which effectively improves the flexibility and convenience of cleaning the nitration reactor.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0018] Figure 1 It is a three-dimensional structural schematic diagram of a continuous nitration reactor of the utility model;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of a uniform plate of a continuous nitration reactor of the utility model;

[0020] Figure 3 It is a three-dimensional structural schematic diagram of a U-shaped scraper of a continuous nitration reactor of the utility model;

[0021] Figure 4 This is a front cross-sectional view of a continuous nitration reactor of the utility model;

[0022] Figure 5 This utility model is a continuous nitration reactor Figure 4 Enlarged view of point A.

[0023] In the figure: 1. reactor body; 2. rotating rod; 3. uniform plate; 4. sleeve; 5. mounting plate; 6. support plate; 7. storage bin; 8. U-shaped scraper; 9. stirring blade; 10. servo motor; 11. hinged rod; 12. spring; 13. slider; 14. slide groove; 15. slot; 16. clamping rod; collar 17. collar. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5 The embodiment of the utility model provides a technical solution: a continuous nitration reactor, comprising: a reactor body 1, support plates 6 are arranged on both sides of the reactor body 1, a mounting plate 5 is arranged on the top of two groups of support plates 6, a servo motor 10 is arranged at the middle position of the bottom of the mounting plate 5, a rotating rod 2 extending to the inside of the reactor body 1 is arranged at the output end of the servo motor 10, a U-shaped scraper 8 is arranged at the bottom of the rotating rod 2 and is fitted with the inner wall of the reactor body 1, stirring blades 9 are evenly arranged at the bottom of the outer side of the rotating rod 2, and a storage bin 7 is arranged on the inner top of the reactor body 1 and is sleeved on the outside of the rotating rod 2;

[0026] A sleeve 4 is sleeved on the top of the outer side of the rotating rod 2, and the sleeve 4 passes through the interior of the storage bin 7. A uniform disk 3 is provided at the bottom of the sleeve 4 and is sleeved on the outside of the rotating rod 2. The uniform disk 3 fits the bottom of the storage bin 7. Slide grooves 14 are provided on the tops of both sides of the rotating rod 2. Slide blocks 13 connected to the sleeve 4 are slidably provided on the inner tops of the two sets of slide grooves 14. A fixing component is provided on the top of the outer side of the sleeve 4.

[0027] The fixing assembly includes an articulated rod 11, a spring 12, a slot 15, a rod 16 and a ring 17. There are four groups of slots 15, and the four groups of slots 15 are opened at the top and middle position of the side close to each other inside the two groups of slide grooves 14. There are two groups of rods 16, and the two groups of rods 16 pass through the interior of the two groups of sliders 13, and the side close to the two groups of rods 16 extends to the inside of the slot 15 and engages with it, while the side away from the two groups of rods 16 extends to the outside of the sleeve 4. The side away from the top of the two groups of rods 16 is provided with a spring 12 connected to the sleeve 4, and the side away from the two groups of rods 16 is hinged with an articulated rod 11. The bottom of the two groups of articulated rods 11 is jointly hinged with a ring 17, and the ring 17 is sleeved on the outside of the sleeve 4.

[0028] A fixing block is disposed on one side away from the top of the two sets of clamping rods 16 , and the fixing block is connected to the spring 12 .

[0029] The two sets of clamping rods 16 are separated from each other by a side and both sides of the sleeve ring 17 are provided with hinge seats, and the hinge seats are matched with the hinge rods 11 .

[0030] Both sides of the top of the reactor body 1 are provided with feed ports connected to the interior of the storage bin 7, and the inner top of the feed port is provided with a sealing cover extending to the outside thereof.

[0031] A discharge port communicating with the interior of the reactor body 1 is provided at the middle position of the bottom of the reactor body 1, and a sealing plug is provided at the bottom of the discharge port.

[0032] The two sets of sliders 13 are both provided with openings communicating with the outside of the sleeve 4 , and the openings are matched with the clamping rod 16 .

[0033] The bottoms of the two sets of support plates 6 are both provided with placement plates, and the bottoms of the placement plates are evenly provided with anti-slip grooves.

[0034] Working principle: when in use, the reactor body 1 and the components above it can be first moved to the designated position and powered on, and then nitric acid is added to the storage bin 7 through the feed port. After the nitric acid is added, the feed port is sealed, and then the sleeve ring 17 is pushed to move up on the outside of the sleeve 4, driving the hinged rod 11 to hinge and rotate to realize the movement of the clamping rod 16, so that the clamping rod 16 can be removed to the inside of the card slot 15 to realize the stretching operation of the spring 12, and the sleeve 4 can be released. Then, the sleeve 4 is pushed to drive the uniform disk 3 to move down inside the reactor body 1, so that the sleeve 4 can drive the slider 13 to move inside the slide groove 14, and finally, the sleeve ring 17 is released, and the elastic restoring force of the spring 12 can drive the clamping rod 16 to restore and insert it into the inside of another group of card slots 15, so as to fix the moving position of the sleeve 4 and the uniform disk 3;

[0035] The movement of the uniform plate 3 can drive the sealing of the interior of the storage bin 7, and then the nitric acid in the storage bin 7 can directly flow into the interior of the uniform plate 3, and finally the servo motor 10 can drive the rotating rod 2 to rotate. At this time, the cooperation of the slider 13 and the slide groove 14 can also realize the rotation of the sleeve 4 and the uniform plate 3, and the nitric acid in the uniform plate 3 can be thrown out by the rotation to improve the uniformity of the later acid addition, and the sealing of the feed port can effectively prevent the scalding phenomenon caused by the heat of the nitration reaction to the operator, so as to improve the continuity and convenience of the later feeding, and finally the sealing of the interior of the storage bin 7 can be realized by the reverse operation of the above components, so as to facilitate the operator to realize repeated feeding in the later stage;

[0036] At the same time, the servo motor 10 drives the rotating rod 2 to rotate, and the rotating rod 2 can also drive the stirring blade 9 to rotate, so as to realize the mixed nitration of the materials inside the reactor body 1. At the same time, the rotating rod 2 can also drive the U-shaped scraper 8 to rotate. The structural design of the U-shaped scraper 8 can realize the scraping work of the inner wall of the reactor body 1, which effectively prevents the adhesion of late sediment, improves the efficiency and convenience of late cleaning, and does not require manual operation by the operator.

[0037] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A continuous nitration reactor, comprising: A reactor body (1), characterized in that support plates (6) are provided on both sides of the reactor body (1), a mounting plate (5) is provided on the top of two groups of the support plates (6), a servo motor (10) is provided at the middle position of the bottom of the mounting plate (5), the output end of the servo motor (10) is provided with a rotating rod (2) extending into the reactor body (1), the bottom of the rotating rod (2) is provided with a U-shaped scraper (8) that fits the inner wall of the reactor body (1), the bottom of the outer side of the rotating rod (2) is evenly provided with stirring blades (9), and the inner top of the reactor body (1) is provided with a storage bin (7) sleeved on the outside of the rotating rod (2); A sleeve (4) is sleeved on the top of the outer side of the rotating rod (2), and the sleeve (4) penetrates into the interior of the storage bin (7). A uniform plate (3) sleeved on the outer side of the rotating rod (2) is provided at the bottom of the sleeve (4), and the uniform plate (3) fits with the bottom of the storage bin (7). Slide grooves (14) are provided on the tops of both sides of the rotating rod (2), and sliders (13) connected to the sleeve (4) are slidably provided on the inner tops of the two groups of the slide grooves (14). A fixing component is provided on the top of the outer side of the sleeve (4).

2. A continuous nitration reactor as claimed in claim 1, characterized in that: The fixing assembly comprises a hinge rod (11), a spring (12), a clamping groove (15), a clamping rod (16) and a collar (17). The clamping groove (15) is provided with four groups, and the four groups of the clamping grooves (15) are opened at the top and middle positions of the sides close to each other inside the two groups of slide grooves (14). The clamping rod (16) is provided with two groups, and the two groups of the clamping rod (16) penetrate the inside of the two groups of slide blocks (13), and the sides close to each other of the two groups of the clamping rod (16) extend to the clamping rod. The inside of the groove (15) is engaged with it, and the side away from the two groups of clamping rods (16) extends to the outside of the sleeve (4), and the side away from the top of the two groups of clamping rods (16) is provided with a spring (12) connected to the sleeve (4), and the side away from the two groups of clamping rods (16) is hinged with a hinged rod (11), and the bottom of the two groups of hinged rods (11) is hinged with a ring (17), and the ring (17) is sleeved on the outside of the sleeve (4).

3. A continuous nitration reactor as claimed in claim 2, characterized in that: A fixing block is provided on one side away from the top of the two groups of clamping rods (16), and the fixing block is connected to the spring (12).

4. A continuous nitration reactor as claimed in claim 2, characterized in that: A hinge seat is provided on the side away from each other of the two groups of clamping rods (16) and on both sides of the sleeve ring (17), and the hinge seat is matched with the hinge rod (11).

5. A continuous nitration reactor as claimed in claim 1, characterized in that: Both sides of the top of the reactor body (1) are provided with feed ports that are connected to the interior of the storage bin (7), and the inner top of the feed port is provided with a sealing cover that extends to the outside.

6. A continuous nitration reactor as claimed in claim 1, characterized in that: A discharge port connected to the interior of the reactor body (1) is provided at the middle position of the bottom of the reactor body (1), and a sealing plug is provided at the bottom of the discharge port.

7. A continuous nitration reactor as claimed in claim 2, characterized in that: The insides of the two groups of slide blocks (13) are both provided with through openings which are connected to the outside of the sleeve (4), and the through openings are matched with the clamping rod (16).

8. A continuous nitration reactor as claimed in claim 1, characterized in that: The bottoms of the two groups of support plates (6) are both provided with placement plates, and the bottoms of the placement plates are evenly provided with anti-slip grooves.

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