Reactor for producing sulfadimidine sodium

Abstract

The utility model relates to a reactor for producing sulfadimidine sodium, which comprises a reactor main body, a first driving motor, a rotating rod, a disturbance rod, a first fluid flowing appliance, a second fluid flowing appliance, a nozzle and a first communicating pipeline, the reactor main body is provided with an internal chamber and a bottom opening, and the bottom opening is communicated with fluid in the internal chamber; the first driving motor is fixedly connected with the rotating rod, and the disturbance rod is fixedly mounted on the rotating rod; at least one part of the rotating rod and the disturbance rod are arranged in the inner cavity of the reactor main body; the first fluid flowing device, the second fluid flowing device, the nozzle and the first communicating pipeline are all arranged in an inner cavity of the reactor main body; the first fluid flowing device and the second fluid flowing device are in fluid communication through a first communication pipeline, the nozzle is arranged on the first fluid flowing device, and the nozzle and the first fluid flowing device are in fluid communication; the bottom opening is in fluid communication with the second fluid flow appliance.

Description

TECHNICAL FIELD

[0001] The utility model relates to sulfadimidine sodium production equipment field, concretely relates to a reactor for sulfadimidine sodium production. BACKGROUND

[0002] Sulfadimidine sodium is a common and important chemical substance, and it is forbidden to appear precipitation condensation and other phenomena in the production process. In the Chinese utility model patent with the application number CN202321617961.8, a microchannel reactor for preparation of drug intermediates is disclosed, which comprises a reaction cylinder, a feed inlet is arranged at the top of the reaction cylinder, a mixing cavity is arranged above the inside of the reaction cylinder, a plurality of feed channels are uniformly distributed at the bottom of the mixing cavity, a transmission shaft is arranged in the reaction cylinder, a plurality of transmission plates are uniformly distributed at the bottom of the transmission shaft, and a plurality of guide rods are distributed at the bottom of the transmission plate. In the present application, when the feed channel is blocked, the guide rod is aligned with the feed channel, then the second motor is started to drive the threaded rod to rotate, the transmission shaft drives the lifting plate to move down, the guide rod enters the feed channel, and the blocked feed channel is conducted. Under normal circumstances, the first motor works, the transmission shaft rotates under the action of the worm gear and the worm, and the guide rod stirs the liquid raw materials in the mixing cavity, which can prevent the liquid raw materials from precipitating and condensing. Although the reactor disclosed in the patent has certain progress compared with the prior art, the reactor still has the phenomenon and possibility of liquid raw material precipitation and condensation in the actual production process. SUMMARY

[0003] The utility model aims at solving the shortcomings in the prior art and provides a reactor for sulfadimidine sodium production.

[0004] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of reactor for sulfadimidine sodium production, comprising: reactor main body, first drive motor, rotating rod, disturbance rod, first fluid flow appliance, second fluid flow appliance, nozzle, first communication pipeline, the reactor main body has internal chamber and bottom opening, the bottom opening and the internal chamber are in fluid communication;The first drive motor and the rotating rod are fixedly connected, the disturbance rod is fixedly installed on the rotating rod, so that the first drive motor drives the rotating rod to rotate, the rotating rod drives the disturbance rod to rotate;At least a portion of the rotating rod and the disturbance rod are arranged in the internal chamber of the reactor main body;The first fluid flow appliance, the second fluid flow appliance, the nozzle and the first communication pipeline are all arranged in the internal chamber of the reactor main body;The first fluid flow appliance and the second fluid flow appliance are in fluid communication by the first communication pipeline, the nozzle is arranged on the first fluid flow appliance, and the nozzle and the first fluid flow appliance are in fluid communication;The bottom opening and the second fluid flow appliance are in fluid communication.

[0005] Preferably, it further includes second communication pipeline, the second communication pipeline is in fluid communication with the bottom opening of the reactor main body on one hand, and the second communication pipeline and the second fluid flow appliance are in fluid communication on the other hand, so that the liquid raw material in the bottom of the reactor main body enters into the second communication pipeline through the bottom opening, and the liquid raw material in the second communication pipeline enters into the second fluid flow appliance.

[0006] Preferably, it further includes suction pump, second drive motor, third communication pipeline, fourth communication pipeline, the second drive motor is connected with the suction pump, so as to provide power for the suction pump;One end of the third communication pipeline is connected with the second communication pipeline and is in fluid communication, the other end of the third communication pipeline is connected to the suction pump and is in fluid communication with the suction pump;One end of the fourth communication pipeline is in fluid communication with the bottom opening of the reactor main body, and the other end of the fourth communication pipeline is connected to the suction pump and is in fluid communication with the suction pump;The liquid raw material in the bottom of the internal chamber of the reactor main body is pumped into the second communication pipeline by the suction pump.

[0007] Preferably, the gas pressure control cylinder, the cylinder, the fifth communication pipeline, the cylinder has a telescopic rod, the gas pressure control cylinder has a gas chamber, one end of the telescopic rod extends into the gas chamber of the gas pressure control cylinder, and the telescopic rod can move in the gas chamber of the gas pressure control cylinder, and the gas in the gas pressure control cylinder can be compressed when the telescopic rod moves in the gas chamber of the gas pressure control cylinder; one end of the fifth communication pipeline is connected to the gas pressure control cylinder, and the fifth communication pipeline and the gas chamber of the gas pressure control cylinder are in fluid communication, and the other end of the fifth communication pipeline is in fluid communication with the second communication pipeline, so that the pressure in the second communication pipeline is adjusted by adjusting the gas pressure in the gas pressure control cylinder by moving the telescopic rod in the gas chamber of the gas pressure control cylinder.

[0008] Preferably, the gas pressure control cylinder is a cylindrical cylinder, the gas compression plate is a disc-shaped solid plate, the gas compression plate and the gas pressure control cylinder are sealingly connected, and the gas compression plate is arranged in the gas chamber of the gas pressure control cylinder; the telescopic rod and the gas compression plate are fixedly connected, and the telescopic rod drives the gas compression plate to move in the gas chamber of the gas pressure control cylinder when the telescopic rod is extended or retracted, so as to adjust the gas pressure in the gas pressure control cylinder.

[0009] Preferably, at least a portion of the second communication pipeline extends into the internal chamber of the reactor body, and the second communication pipeline and the second fluid flow device are connected and in fluid communication.

[0010] Preferably, the second fluid flow device and the first fluid flow device are both annular pipelines.

[0011] The beneficial effects of the present application are: the reactor for sulfamethazine sodium production provided by the present application has a simple structure, the first driving motor drives the rotating rod to rotate, the rotating rod drives the disturbance rod to rotate, the disturbance rod stirs the sulfamethazine sodium liquid raw material in the internal chamber of the reactor body in the process of rotation, part of the liquid raw material is pumped by the suction pump through the bottom opening into the second communication pipeline, and then is transported from the second communication pipeline to the second fluid flow device, the liquid raw material in the second fluid flow device flows into the first fluid flow device through the first communication pipeline, and finally is sprayed from the nozzle into the internal chamber of the reactor body, so that the reactor accelerates the reaction speed of the sulfamethazine sodium liquid raw material, prevents the liquid raw material from precipitating, accumulating and condensing at the bottom of the internal chamber of the reactor body, and effectively prevents the liquid raw material from precipitating, accumulating and condensing. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 A structural diagram of a reactor for sulfamethazine sodium production is provided.

[0013] Figure 2 Another structural schematic view of the reactor for sulfamethazine sodium production is provided by the utility model. DETAILED DESCRIPTION

[0014] The application will be described in further detail below with specific embodiments and with reference to the accompanying drawings. Like elements in different embodiments are denoted by the same reference numerals. In the following embodiments, many details are described in order to make the application better understood. However, those skilled in the art can easily recognize that some features can be omitted in different cases, or can be replaced by other elements, materials or methods. In some cases, some operations related to the application are not shown or described in the specification in order to avoid the core part of the application being overwhelmed by too much description, and it is not necessary to describe these related operations in detail for those skilled in the art, who can fully understand the related operations according to the description in the specification and the general technical knowledge in the art.

[0015] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate manner to form various embodiments, and the operation steps involved in each embodiment can also be sequentially adjusted or changed in a manner that can be easily seen by those skilled in the art. Therefore, the specification and drawings are only for clearly describing one embodiment, and do not mean that the composition and / or order are necessary.

[0016] In this paper, the serial numbers of components, such as "first", "second", etc., are only used to distinguish the described objects, and do not have any order or technical meaning. Unless otherwise specified, the "connection" and "coupling" in this application include direct and indirect connections (couplings).

[0017] Please refer to Figures 1-2The application provides a reactor for producing sulfadimidine sodium (hereinafter referred to as "the reactor"), which comprises a reactor body 1, a first driving motor 2, a rotating rod 3, a disturbing rod 4, a first fluid flow device 5, a second fluid flow device 7, a nozzle 6 and a first communication pipeline 8. The reactor body 1 has an internal cavity 100 and a bottom opening 101, and the bottom opening 101 is in fluid communication with the internal cavity 100. The first driving motor 2 is fixedly connected with the rotating rod 3, and the disturbing rod 4 is fixedly installed on the rotating rod 3, so that the first driving motor 2 drives the rotating rod 2 to rotate, and the rotating rod 3 drives the disturbing rod 4 to rotate. At least a part of the rotating rod 3 and the disturbing rod 4 are arranged in the internal cavity 100 of the reactor body 1. The first fluid flow device 5, the second fluid flow device 7, the nozzle 6 and the first communication pipeline 8 are arranged in the internal cavity 100 of the reactor body 1. The first fluid flow device 5 and the second fluid flow device 7 are in fluid communication through the first communication pipeline 8, the nozzle 6 is arranged on the first fluid flow device 5, and the nozzle 6 and the first fluid flow device 5 are in fluid communication. The bottom opening 101 is in fluid communication with the second fluid flow device 7. In this way, the liquid raw material of sulfadimidine sodium enters the second fluid flow device 7 through the bottom opening 101 of the reactor body 1, then flows into the first fluid flow device 5, and finally is sprayed from the nozzle 6 and sprayed into the internal cavity 100 of the reactor body 1, so that the reaction speed is accelerated, and the liquid raw material of sulfadimidine sodium is fundamentally prevented from precipitating and condensing.

[0018] In an embodiment of the application, as shown in Figure 2 the reactor further comprises a second communication pipeline 9, which is in fluid communication with the bottom opening 101 of the reactor body 1 on the one hand, and in fluid communication with the second fluid flow device 7 on the other hand, so that the liquid raw material at the bottom of the reactor body 1 enters the second communication pipeline 9 through the bottom opening 101, and the liquid raw material in the second communication pipeline 9 enters the second fluid flow device 7.

[0019] In an embodiment of the application, please refer to Figure 2The reactor further comprises a suction pump 16, a second driving motor 17, a third communication pipe 14, and a fourth communication pipe 15. The second driving motor 17 is connected to the suction pump 16 to provide power for the suction pump 16. One end of the third communication pipe 14 is connected to and in fluid communication with the second communication pipe 9, and the other end of the third communication pipe 14 is connected to and in fluid communication with the suction pump 16. One end of the fourth communication pipe 15 is in fluid communication with the bottom opening 101 of the reactor body 1, and the other end of the fourth communication pipe 15 is connected to and in fluid communication with the suction pump 16. The liquid raw material at the bottom of the inner chamber 100 of the reactor body 1 is pumped into the second communication pipe 9 by the suction pump 16.

[0020] In one embodiment of the present application, please refer to Figure 2 The reactor further comprises a gas pressure control cylinder 11, a cylinder 10, and a fifth communication pipe 13. The cylinder 10 has a telescopic rod 12, and the gas pressure control cylinder 11 has a gas chamber (not shown). One end of the telescopic rod 12 extends into the gas chamber of the gas pressure control cylinder 11, and the telescopic rod 12 can move in the gas chamber of the gas pressure control cylinder 11 to compress the gas in the gas pressure control cylinder 11. One end of the fifth communication pipe 13 is connected to the gas pressure control cylinder 11, and the fifth communication pipe 13 is in fluid communication with the gas chamber of the gas pressure control cylinder 11. The other end of the fifth communication pipe 13 is in fluid communication with the second communication pipe 9. Thus, the pressure in the second communication pipe 9 is adjusted by moving the telescopic rod 12 in the gas chamber of the gas pressure control cylinder 11 to adjust the gas pressure in the gas pressure control cylinder 11. When it is necessary to increase the pressure in the second communication pipe 9 to make the liquid raw material flow into the second fluid flow device 7 more quickly, the gas in the gas chamber of the gas pressure control cylinder 11 is compressed by the telescopic rod 12.

[0021] In one embodiment of the present application, please refer to Figure 2 The reactor further comprises a gas compression plate (not shown in the drawings). The gas pressure control cylinder 11 is a cylindrical cylinder, and the gas compression plate is a disc-shaped solid plate. The gas compression plate is sealingly connected to the gas pressure control cylinder 11, and is arranged in the gas chamber of the gas pressure control cylinder 11. The telescopic rod 12 is fixedly connected to the gas compression plate. When the telescopic rod 12 is extended or retracted, the gas compression plate moves in the gas chamber of the gas pressure control cylinder 11, so as to adjust the gas pressure in the gas pressure control cylinder 11.

[0022] In one embodiment of the present application, please refer to Figure 1At least a portion of the second communicating pipe 9 extends into the internal chamber 100 of the reactor main body 1, and the second communicating pipe 9 is connected with the second fluid flow device 7, and the second communicating pipe 9 and the second fluid flow device 7 are in fluid communication.

[0023] In an embodiment of the present application, please refer to Figure 1 The second fluid flow device 7 and the first fluid flow device 5 are both annular pipes.

[0024] The reactor for producing sulfamethazine sodium provided by the present application has a simple structure. The first driving motor drives the rotating rod to rotate, and the rotating rod drives the disturbing rod to rotate. The disturbing rod stirs the sulfamethazine sodium liquid raw material in the internal chamber of the reactor main body in the process of rotation. Part of the liquid raw material is sucked by the suction pump through the bottom opening and is sent to the second communicating pipe, and then is transported from the second communicating pipe to the second fluid flow device. The liquid raw material in the second fluid flow device flows into the first fluid flow device through the first communicating pipe, and finally is sprayed from the nozzle into the internal chamber of the reactor main body. Therefore, the reactor accelerates the reaction speed of the sulfamethazine sodium liquid raw material, prevents the liquid raw material from precipitating, accumulating and condensing at the bottom of the internal chamber of the reactor main body. The reactor can effectively prevent the liquid raw material from precipitating, accumulating and condensing.

[0025] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application should be covered within the protection scope of the present application.

Claims

1. A reactor for the production of sodium sulfadiazine, characterized in that, The reactor body, the first driving motor, the rotating rod, the disturbing rod, the first fluid flow device, the second fluid flow device, the nozzle, the first communication pipeline, the reactor body has an internal chamber and a bottom opening, the bottom opening and the internal chamber are in fluid communication; the first driving motor and the rotating rod are fixedly connected, the disturbing rod is fixedly installed on the rotating rod, so that the first driving motor drives the rotating rod to rotate, and the rotating rod drives the disturbing rod to rotate; at least a part of the rotating rod and the disturbing rod are arranged in the internal chamber of the reactor body; the first fluid flow device, the second fluid flow device, the nozzle and the first communication pipeline are arranged in the internal chamber of the reactor body; the first fluid flow device and the second fluid flow device are in fluid communication through the first communication pipeline, the nozzle is arranged on the first fluid flow device, and the nozzle and the first fluid flow device are in fluid communication; the bottom opening and the second fluid flow device are in fluid communication. The second communication pipeline is further included, one end of the second communication pipeline is in fluid communication with the bottom opening of the reactor body, and the other end of the second communication pipeline is in fluid communication with the second fluid flow device, so that the liquid raw material at the bottom of the reactor body enters the second communication pipeline through the bottom opening, and the liquid raw material in the second communication pipeline enters the second fluid flow device.

2. The sulfadimidine sodium production reactor according to claim 1, characterized by, The suction pump, the second driving motor, the third communication pipeline and the fourth communication pipeline are further included, the second driving motor is connected with the suction pump, so as to provide power for the suction pump; one end of the third communication pipeline is connected with the second communication pipeline and in fluid communication, and the other end of the third communication pipeline is connected with the suction pump and in fluid communication; one end of the fourth communication pipeline is in fluid communication with the bottom opening of the reactor body, and the other end of the fourth communication pipeline is connected with the suction pump and in fluid communication; the liquid raw material at the bottom of the internal chamber of the reactor body is pumped into the second communication pipeline through the suction pump.

3. The sulfadimidine sodium production reactor according to claim 2, wherein The gas pressure control cylinder, the cylinder and the fifth communication pipeline are further included, the cylinder has a telescopic rod, the gas pressure control cylinder has a gas chamber, one end of the telescopic rod extends into the gas chamber of the gas pressure control cylinder, and the telescopic rod can move in the gas chamber of the gas pressure control cylinder and can compress the gas in the gas pressure control cylinder when the telescopic rod moves in the gas chamber of the gas pressure control cylinder; one end of the fifth communication pipeline is connected with the gas pressure control cylinder, the fifth communication pipeline and the gas chamber of the gas pressure control cylinder are in fluid communication, and the other end of the fifth communication pipeline is in fluid communication with the second communication pipeline, so that the pressure in the second communication pipeline is adjusted by moving the telescopic rod in the gas chamber of the gas pressure control cylinder to adjust the gas pressure in the gas pressure control cylinder.

4. The sulfadimidine sodium production reactor according to claim 3, wherein ​ 5. The sulfadimidine sodium production reactor according to claim 4, wherein The gas compression plate is a disc-shaped solid plate, the gas compression plate and the gas pressure control cylinder are sealingly connected, and the gas compression plate is arranged in the gas chamber of the gas pressure control cylinder; the telescopic rod and the gas compression plate are fixedly connected, the telescopic rod drives the gas compression plate to move in the gas chamber of the gas pressure control cylinder when the telescopic rod is telescopically extended or retracted, so as to adjust the gas pressure in the gas pressure control cylinder.

6. The sulfadimidine sodium production reactor according to claim 2, wherein At least a portion of the second communication conduit extends into the interior chamber of the reactor body, and the second communication conduit is connected to and in fluid communication with the second fluid flow device.

7. The sulfadimidine sodium production reactor according to claim 1, wherein The second fluid flow device and the first fluid flow device are both annular conduits.

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