CN219252540U - Feeding structure for bromoxynil production - Google Patents

Abstract

The application discloses bromoxynil production is with throwing material structure belongs to chemical industry equipment technical field. Mainly comprises a reaction kettle which is provided with a feed pipe; the middle pipe is communicated with the feeding pipe; a raw material barrel which is provided with a raw material pipe, wherein the raw material pipe is communicated with the middle pipe, and a raw material pump is arranged on the raw material pipe; the clean water barrel is provided with a clean water pipe, the end of the clean water pipe is communicated with the middle pipe, and the clean water pipe is provided with a clean water pump; the feeding structure is suitable for being in a feeding state when the raw material pipe is communicated with the middle pipe and in a cleaning state when the clear water pipe is communicated with the middle pipe. The utility model provides a bromoxynil production is with throwing material structure through being provided with cleaning assembly, can be when throwing material mechanism idle to carry out periodic cleaning to prevent that the quality of throwing the raw materials again from the influence of the remaining raw materials in the pipeline, further prevent that the pipeline from agglomerating and blocking up, thereby influence bromoxynil's synthesis.

Description

Feeding structure for bromoxynil production

Technical Field

The application relates to the technical field of chemical equipment, in particular to a feeding structure for bromoxynil production.

Background

Bromoxynil, also known as diaphanone, is commonly used as a selective post-emergence contact herbicide, has a chemical name of 3, 5-dibromo-4-hydroxybenzonitrile and a molecular formula of C7H3Br2NO, is slightly soluble in water, is widely used as a selective post-emergence stem and leaf treatment contact herbicide in the form of caprylate, sodium salt and potassium salt, can be used as a raw material of a medical intermediate, a pigment intermediate and a pesticide intermediate, and has a wide application range;

the synthetic processes of bromoxynil are numerous, but most of the synthetic processes need to introduce different raw materials and catalysts into a reaction kettle through a feeding structure, and the success rate of bromoxynil synthesis is ensured through the procedures of stirring, temperature control and the like;

however, the existing feeding structure is generally connected with a raw material barrel and a reaction kettle through pipelines, and is fed through a pump body, but the feeding pipeline is long and is fed for a long time, raw materials remain in the feeding pipeline, if the raw materials are not cleaned regularly, the quality of the re-fed raw materials can be affected, and the raw materials can be agglomerated and blocked due to heavy weight, so that the feeding structure for bromoxynil production is necessary to solve the problems.

It should be noted that the above information disclosed in this background section is only for understanding the background of the present application concept and, therefore, it may contain information that does not constitute prior art.

Disclosure of Invention

Based on the above problems existing in the prior art, the problems to be solved by the present application are: the feeding structure for bromoxynil production achieves the aim of cleaning the existing feeding structure regularly.

The technical scheme adopted for solving the technical problems is as follows: the feeding structure for bromoxynil production comprises a reaction kettle, wherein the reaction kettle is used for bromoxynil synthesis and is provided with a feeding pipe for raw material input; the middle pipe is communicated with one end of the feeding pipe, which is far away from the reaction kettle; the raw material barrel is provided with a raw material pipe for outputting raw materials, one end, far away from the raw material barrel, of the raw material pipe is communicated with the intermediate pipe, and a raw material pump is arranged on the raw material pipe; the clear water barrel is provided with a clear water pipe for clear water output, one end, far away from the clear water barrel, of the clear water pipe is communicated with the middle pipe, and a clear water pump is arranged on the clear water pipe; the feeding structure is suitable for being in a feeding state when the raw material pipe is communicated with the middle pipe and in a cleaning state when the clear water pipe is communicated with the middle pipe.

Further, a feeding valve is arranged at the position where the raw material pipe is communicated with the middle pipe, the feeding valve is a three-way valve, and three ports of the feeding valve are respectively connected with the raw material pipe, the clear water pipe and the middle pipe.

Further, the intermediate pipe is communicated with a waste liquid pipe, and a waste liquid barrel is arranged at a position, far away from the intermediate pipe, of the waste liquid pipe.

Further, a discharge valve is arranged between the middle pipe and the feeding pipe, the discharge valve is a three-way valve, and three ports of the discharge valve are respectively connected with the feeding pipe, the waste liquid pipe and the middle pipe.

Further, a waste liquid pump is arranged on the waste liquid pipe.

Furthermore, the clear water pipe is made of stainless steel.

The beneficial effects of this application are: the utility model provides a pair of bromoxynil production is with throwing material structure, through being provided with cleaning assembly, can be when throwing material mechanism idle to carry out periodic cleaning to prevent that the quality of throwing the raw materials again from the influence of the remaining raw materials in the pipeline, further prevent that the pipeline from agglomerating and blocking up, thereby influence bromoxynil's synthesis.

In addition to the objects, features, and advantages described above, there are other objects, features, and advantages of the present application. The present application will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application.

In the drawings:

FIG. 1 is an overall schematic diagram of a feed structure for bromoxynil production in the present application;

FIG. 2 is a schematic view of the partial structure at A in FIG. 1;

FIG. 3 is a schematic view of the partial structure at B in FIG. 1;

wherein, each reference sign in the figure:

1. a reaction kettle; 11. a servo motor; 12. a feed pipe; 2. a raw material barrel; 21. a raw material pump; 22. a raw material pipe; 3. a water cleaning barrel; 31. a clean water pump; 32. a clear water pipe; 4. a middle tube; 5. a waste liquid barrel; 51. a waste liquid pipe; 6. a feed valve; 7. and a discharge valve.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

Embodiment one:

the embodiment illustrates the composition and principle of a charging structure commonly used in bromoxynil synthesis technology, and specifically:

as shown in fig. 1-3, the present application provides a feeding structure for bromoxynil production, which comprises a reaction kettle 1 and a servo motor 11 arranged on the reaction kettle 1, wherein an output end of the servo motor 11 extends into the reaction kettle 1, and a stirring part (not shown in the figure) is connected to an output end of the servo motor 11, and the stirring part is used for stirring raw materials input into the reaction kettle 1 under the driving of the servo motor 11;

one end of the reaction kettle 1 is provided with a feed pipe 12, the feed pipe 12 is communicated with the inside of the reaction kettle 1 for inputting raw materials into the reaction kettle 1, one end of the feed pipe 12 far away from the reaction kettle 1 is communicated with a middle pipe 4, and the middle pipe 4 is formed by splicing a plurality of sections of pipe groups so as to adapt to different conveying distances;

the raw material pipe 22 is connected to one end of the intermediate pipe 4 far away from the feed pipe 12, the raw material barrel 2 is communicated to one end of the raw material pipe 22 far away from the intermediate pipe 4, and the raw material pump 21 is arranged on the raw material pipe 22, so that raw materials are pumped out of the raw material barrel 2 through the raw material pump 21 and are input into the reaction kettle 1 through the raw material pipe 22, the intermediate pipe 4 and the feed pipe 12, and the feeding operation of the bromoxynil synthesis process is completed.

Embodiment two:

the cleaning component is added on the basis of the first embodiment to complete the periodic cleaning of the feeding structure, and specifically the following structure is added on the basis of the first embodiment:

the cleaning assembly comprises a feed valve 6 installed between the raw material pipe 22 and the intermediate pipe 4, the feed valve 6 is a three-way valve, so the feed valve 6 has three ports, the last port of the feed valve 6 is communicated with a clean water pipe 32 except for two ports communicated with the raw material pipe 22 and the intermediate pipe 4, one end of the clean water pipe 32 far away from the feed valve 6 is communicated with a clean water bucket 3, and a clean water pump 31 is arranged on a connecting pipeline of the clean water pipe 32 and the clean water bucket 3;

and the three ports of the feed valve 6 can be manually switched to the ports of the maintenance passage, so that the feed valve 6 can be communicated with different pipelines according to the needs;

a discharge valve 7 is arranged between the middle pipe 4 and the feeding pipe 12, the discharge valve 7 is also a three-way valve, so the discharge valve 7 also has three ports, the last port of the discharge valve 7 is communicated with a waste liquid pipe 51 except for two ports communicated with the middle pipe 4 and the feeding pipe 12, one end of the waste liquid pipe 51 far away from the discharge valve 7 is communicated with a waste liquid barrel 5, and the waste liquid barrel 5 is used for temporarily storing and cleaning waste liquid;

the three ports of the discharge valve 7 can be manually switched to the ports of the maintenance passage, so that the feed valve 6 can be communicated with different pipelines according to the requirements;

in summary, the feeding structure has two different states, namely a feeding state and a cleaning state:

when the feeding structure is in a feeding state, the feeding structure is switched to a state that both the raw material pipe 22 and the feeding pipe 12 are communicated with the intermediate pipe 4 through the feeding valve 6 and the discharging valve 7, so that raw materials are pumped out of the raw material barrel 2 through the action of the raw material pump 21 and are input into the reaction kettle 1 through the raw material pipe 22, the intermediate pipe 4 and the feeding pipe 12, and the feeding operation of the bromoxynil synthesis process is completed;

when the feeding structure is in a cleaning state, the feeding valve 6 and the discharging valve 7 are switched to a state that the clear water pipe 32 and the waste liquid pipe 51 are communicated with the middle pipe 4, so that clear water is pumped out of the clear water barrel 3 under the action of the clear water pump 31, is input into the waste liquid barrel 5 through the clear water pipe 32, the middle pipe 4 and the waste liquid pipe 51, and washes residual raw materials in a pipeline to keep the pipeline clean;

in the cleaning state, the raw material pump 21 is also turned off, so that the raw material pipe 22 can be rinsed;

in order to prevent clean water and raw materials from remaining in the cleaned pipeline, a waste liquid pump (not shown in the figure) is arranged on the waste liquid pipe 51, so that the clean water and the raw materials remaining in the cleaned pipeline are pumped out under the action of the waste liquid pump;

in addition, all of the pipes in this application are made of stainless steel materials to improve the corrosion resistance of the pipes.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (6)

1. The utility model provides a bromoxynil production is with throwing material structure, is applied to bromoxynil's synthesis, its characterized in that: the feeding structure comprises:

a reaction kettle (1), wherein the reaction kettle (1) is used for synthesizing bromoxynil, and the reaction kettle (1) is provided with a feed pipe (12) for inputting raw materials;

the middle pipe (4) is communicated with one end of the feeding pipe (12) far away from the reaction kettle (1);

a raw material barrel (2), wherein the raw material barrel (2) is provided with a raw material pipe (22) for outputting raw materials, one end, far away from the raw material barrel (2), of the raw material pipe (22) is communicated with the middle pipe (4), and a raw material pump (21) is arranged on the raw material pipe (22);

a clear water barrel (3), wherein the clear water barrel (3) is provided with a clear water pipe (32) for outputting clear water, one end, far away from the clear water barrel (3), of the clear water pipe (32) is communicated with the middle pipe (4), and a clear water pump (31) is arranged on the clear water pipe (32);

the feeding structure is suitable for being in a feeding state when the raw material pipe (22) is communicated with the middle pipe (4), and in a cleaning state when the clear water pipe (32) is communicated with the middle pipe (4).

2. The feed structure for bromoxynil production according to claim 1, characterized in that: the feeding valve (6) is arranged at the position where the raw material pipe (22) is communicated with the middle pipe (4), the feeding valve (6) is a three-way valve, and three ports of the feeding valve (6) are respectively connected with the raw material pipe (22), the clear water pipe (32) and the middle pipe (4).

3. The feed structure for bromoxynil production according to claim 1, characterized in that: the middle pipe (4) is communicated with a waste liquid pipe (51), and a waste liquid barrel (5) is arranged at a position, far away from the middle pipe (4), of the waste liquid pipe (51).

4. A feed structure for bromoxynil production according to claim 3, characterized in that: a discharge valve (7) is arranged between the middle pipe (4) and the feeding pipe (12), the discharge valve (7) is a three-way valve, and three ports of the discharge valve (7) are respectively connected with the feeding pipe (12), the waste liquid pipe (51) and the middle pipe (4).

5. The feed structure for bromoxynil production according to claim 4, wherein: the waste liquid pipe (51) is provided with a waste liquid pump.

6. The feed structure for bromoxynil production according to claim 1, characterized in that: the clear water pipe (32) is made of stainless steel.

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