CN209828822U - Automatic feeding device for 5-acetoacetylaminobenzimidazolone synthesis hydrogenation - Google Patents
Automatic feeding device for 5-acetoacetylaminobenzimidazolone synthesis hydrogenation Download PDFInfo
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- CN209828822U CN209828822U CN201921571022.8U CN201921571022U CN209828822U CN 209828822 U CN209828822 U CN 209828822U CN 201921571022 U CN201921571022 U CN 201921571022U CN 209828822 U CN209828822 U CN 209828822U
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Abstract
The utility model belongs to the technical field of 5-acetoacetylaminobenzimidazolone synthesis devices, in particular to an automatic feeding device for synthesizing and hydrogenating 5-acetoacetylaminobenzimidazolone, which comprises a filtering device and a mixing and beating device, wherein a filter screen is inserted into the filtering device through a filter screen insertion hole and is fixed in the filtering device through a filter screen fixing table, one end of the filter screen, which is positioned outside the filtering device, is connected with a push-pull rod of an air cylinder, and the air cylinder can drive the push-pull rod to drive the filter screen to move left and right; a scraping device is arranged above the filter screen in the filtering device. The device can realize automatic discharge after filtration, makes 5-nitrobenzimidazole ketone filter cake automatic discharge get into and mix the pulping tank after, and whole process is totally closed goes on, prevents that external impurity from getting into, has improved degree of automation moreover, has reduced intensity of labour, has improved work efficiency.
Description
Technical Field
The utility model belongs to the technical field of 5-acetoacetylaminobenzimidazolone apparatus for producing, especially, relate to a 5-acetoacetylaminobenzimidazolone synthesis hydrogenation is with automatic feeding device.
Background
The main synthetic route of the 5-acetoacetylaminobenzimidazolone is as follows: firstly, carrying out hydrogenation reduction reaction on 5-nitrobenzimidazole ketone to obtain 5-aminobenzimidazole ketone, and then reacting the 5-aminobenzimidazole ketone with diketene to synthesize the final product AABI. The raw material 5-nitrobenzimidazole ketone used in the hydrogenation reduction reaction is a synthetic product of the dilute nitric acid nitration reaction in the previous working section, and after the 5-nitrobenzimidazole ketone is discharged and bagged, the 5-nitrobenzimidazole ketone is manually transferred to a material mixing kettle in the hydrogenation working section for feeding, so that the process increases the labor cost and the labor intensity, and the working efficiency is low. On the other hand, because no sealing protection measures are adopted in the manual transferring and feeding process, the 5-nitrobenzimidazole ketone is difficult to avoid being polluted by impurities, so that the yield of the final product AABI is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a 5-acetoacetylaminobenzimidazolone is synthetic hydrogenation with automatic feeding device, the device can realize filtering back automatic discharge, get into the mixed pulping jar after making 5-nitrobenzophenoimidazolone filter cake automatic discharge, the while ration is added process water, directly squeeze into hydrogenation batching cauldron with the charge pump after the high-speed pulping mixes, whole process is totally closed goes on, prevent that external impurity from getting into, and the degree of automation has been improved moreover, and the intensity of labour has been reduced, has improved work efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the automatic feeding device for 5-acetoacetylaminobenzimidazolone synthesis hydrogenation comprises a filtering device and a mixing and pulping device, wherein a filter cake outlet at the bottom of the filtering device is connected with a solid feeding hole at the top of the mixing and pulping device through a pipeline, a stirring device and a liquid feeding hole are arranged in the mixing and pulping device, and a discharging hole at the bottom of the mixing and pulping device is connected with a feeding pump through a pipeline; the filter device comprises a cylinder, a filter device body and a filter screen, wherein a filter screen inserting hole is formed in the left side wall of the filter device body, a filter screen fixing table is arranged on the right side wall of the filter device body, the filter screen is inserted into the filter device body through the filter screen inserting hole and is fixed in the filter device body through the filter screen fixing table, one end, located outside the filter device body, of the filter screen is connected with a push-pull rod; the filter device is characterized in that a scraping device is arranged above the filter screen and comprises a support rod arranged on the side wall of the filter device, the lower end of the support rod is connected with a vertical scraping plate, and the bottom end of the scraping plate is in contact with the upper surface of the filter screen.
When the device is used, the product of the previous process, namely 5-nitrobenzimidazole ketone solution, is added into a filtering device for filtering, filtered filtrate is discharged through a filtrate outlet, then the pull rod is pushed under the action of the cylinder to drive the filter screen to move leftwards, a filter cake on the filter screen is scraped through a scraping plate, the filter cake enters a mixing and pulping device through a filter cake outlet at the bottom of the filtering device, then process water is added quantitatively, the stirring device is used for high-speed pulping and mixing, then a feeding pump is directly used for driving the 5-nitrobenzimidazole ketone raw material into a hydrogenation batching kettle, the whole process is carried out in a totally-closed mode, external impurities are prevented from entering, the automation degree is improved, the labor intensity is reduced, and the working efficiency is improved.
Preferably, the scraping plate is made of elastic rubber materials to prevent the filter screen from being scraped, and the scraping plate is arranged close to one side of the filter screen inserting hole.
Preferably, an annular cleaning pipe is arranged at the inner top of the filtering device, a plurality of spray heads are arranged on the annular cleaning pipe, and a water inlet of the annular cleaning pipe is connected with a water outlet of the cleaning water tank through a pipeline, so that the annular cleaning pipe can be conveniently cleaned.
Preferably, the water inlet of the annular cleaning pipe is connected with the air outlet of the fan through a pipeline, and an electric heating device is further arranged on the pipeline between the water inlet of the annular cleaning pipe and the fan, so that hot air high-temperature disinfection and drying can be performed after cleaning.
Preferably, the stirring device in the mixing and beating device comprises a driving motor, a rotating shaft and a stirring rod, the driving motor can drive the rotating shaft to drive the stirring rod to rotate, and the stirring rod is spirally provided with a plurality of stirring fins at different heights, so that the stirring effect is better.
Preferably, the height of the filter screen inserting opening is 0.3-0.5mm higher than that of the filter screen, and an elastic rubber gasket is fixedly arranged at the filter screen inserting opening, so that the sealing performance is better.
Advantageous effects
The utility model discloses a 5-acetoacetylaminobenzimidazolone is synthetic hydrogenation with automatic feeding device, the device can realize filtering back automatic discharge, get into the mixed pulping jar after making 5-nitrobenzophenoimidazolone filter cake automatic discharge, the process water is added to the ration simultaneously, directly squeeze into hydrogenation batching cauldron with the charge pump after the high-speed pulping mixes, whole process is totally closed goes on, prevents that external impurity from getting into, has improved degree of automation moreover, has reduced intensity of labour, has improved work efficiency.
Drawings
FIG. 1 is a schematic structural diagram of an automatic feeding device according to embodiment 1 of the present patent;
FIG. 2 is a schematic structural diagram of an automatic feeding device according to embodiment 2 of the present patent;
in the figure, 1: a filtration device; 2: a mixing and beating device; 3: a filter cake outlet; 4: a feed pump; 5: a filter screen insertion opening; 6: a filter screen fixing table; 7: filtering with a screen; 8: a cylinder; 9: a push-pull rod; 10: a strut; 11: a scraping plate; 12: an annular cleaning tube; 13: a spray head; 14: cleaning the water tank; 15: a fan; 16: an electric heating device; 17: an electromagnetic valve; 18: a pump; 19: and (6) a filtrate outlet.
Detailed Description
Hereinafter, the present invention will be described in detail. Before the description is made, it should be understood that the terms used in the present specification and the appended claims should not be construed as limited to general and dictionary meanings, but interpreted based on the meanings and concepts corresponding to technical aspects of the present invention on the basis of the principle that the utility model appropriately defines the terms for the best explanation. Accordingly, the description proposed herein is just a preferable example for the purpose of illustrations only, not intended to limit the scope of the invention, so it should be understood that other equivalents and modifications could be made thereto without departing from the spirit and scope of the invention.
The following examples are given by way of illustration of embodiments of the invention and are not intended to limit the invention, and those skilled in the art will appreciate that modifications within the scope of the invention do not depart from the spirit and scope of the invention.
Example 1
As shown in fig. 1, the automatic feeding device for 5-acetoacetylaminobenzimidazolone synthesis hydrogenation comprises a filtering device 1 and a mixing and pulping device 2, wherein a filter cake outlet 3 at the bottom of the filtering device is connected with a solid feeding hole at the top of the mixing and pulping device through a pipeline, a stirring device and a liquid feeding hole are arranged in the mixing and pulping device, and a discharging hole at the bottom of the mixing and pulping device is connected with a feeding pump 4 through a pipeline; a filter screen inserting hole 5 is formed in the left side wall of the filter device, a filter screen fixing table 6 is arranged on the right side wall of the filter device, a filter screen 7 is inserted into the filter device through the filter screen inserting hole, the right end of the filter screen 7 is just placed on the filter screen fixing table 6, one end, located outside the filter device, of the filter screen 7 is connected with a push-pull rod 9 of an air cylinder 8, and the air cylinder can drive the push-pull rod to drive the filter screen to move left and right; the filter device is characterized in that a scraping device is arranged above the filter screen and comprises a support rod 10 arranged on the side wall of the filter device, the lower end of the support rod is connected with a vertical scraping plate 11, and the bottom end of the scraping plate is in contact with the upper surface of the filter screen.
When the device is used, the product of the previous process, namely 5-nitrobenzimidazole ketone solution, is added into a filtering device for filtering, filtered filtrate is discharged through a filtrate outlet, then the pull rod is pushed under the action of the cylinder to drive the filter screen to move leftwards, a filter cake on the filter screen is scraped through a scraping plate, the filter cake enters a mixing and pulping device through a filter cake outlet at the bottom of the filtering device, then process water is added quantitatively, the stirring device is used for high-speed pulping and mixing, then a feeding pump is directly used for driving the 5-nitrobenzimidazole ketone raw material into a hydrogenation batching kettle, the whole process is carried out in a totally-closed mode, external impurities are prevented from entering, the automation degree is improved, the labor intensity is reduced, and the working efficiency is improved.
The scraping plate is made of elastic rubber materials, the filter screen is prevented from being scraped to be damaged, and the scraping plate is arranged close to one side of the filter screen inserting hole.
Agitating unit in the mixing and beating device includes driving motor, pivot and puddler, and driving motor can drive the pivot and drive the puddler and rotate, be provided with a plurality of stirring fins at the not co-altitude spiral on the puddler, stirring effect is better.
The height of the filter screen inserting opening is 0.3-0.5mm higher than that of the filter screen, and an elastic rubber gasket is fixedly arranged at the filter screen inserting opening, so that the sealing performance is better.
Example 2
As shown in fig. 2, the automatic feeding device for 5-acetoacetylaminobenzimidazolone synthesis hydrogenation comprises a filtering device 1 and a mixing and pulping device 2, wherein a filter cake outlet 3 at the bottom of the filtering device is connected with a solid feeding hole at the top of the mixing and pulping device through a pipeline, a stirring device and a liquid feeding hole are arranged in the mixing and pulping device, and a discharging hole at the bottom of the mixing and pulping device is connected with a feeding pump 4 through a pipeline; a filter screen inserting hole 5 is formed in the left side wall of the filter device, a filter screen fixing table 6 is arranged on the right side wall of the filter device, a filter screen 7 is inserted into the filter device through the filter screen inserting hole, the right end of the filter screen 7 is just placed on the filter screen fixing table 6, one end, located outside the filter device, of the filter screen 7 is connected with a push-pull rod 9 of an air cylinder 8, and the air cylinder can drive the push-pull rod to drive the filter screen to move left and right; the filter device is characterized in that a scraping device is arranged above the filter screen and comprises a support rod 10 arranged on the side wall of the filter device, the lower end of the support rod is connected with a vertical scraping plate 11, and the bottom end of the scraping plate is in contact with the upper surface of the filter screen.
The scraping plates are made of elastic rubber materials, so that the filter screen is prevented from being scraped to be damaged, and the scraping plates can be transversely provided with a plurality of scraping plates.
The top is provided with annular scavenge pipe 12 in the filter equipment, be provided with a plurality of shower nozzles 13 on the annular scavenge pipe, the water inlet of annular scavenge pipe passes through the pipeline and is connected with the delivery port of wasing water tank 14, and the water in the washing water tank passes through in the pump gets into annular scavenge pipe 12, then from the shower nozzle blowout to filter equipment in, can be convenient wash. The water inlet of the annular cleaning pipe is connected with the air outlet of the fan 15 through a pipeline, and an electric heating device 16 is further arranged on the pipeline between the water inlet of the annular cleaning pipe and the fan and can be used for hot air high-temperature disinfection and drying after cleaning.
Agitating unit in the mixing and beating device includes driving motor, pivot and puddler, and driving motor can drive the pivot and drive the puddler and rotate, be provided with a plurality of stirring fins at the not co-altitude spiral on the puddler, stirring effect is better.
The height of the filter screen inserting opening is 0.3-0.5mm higher than that of the filter screen, and an elastic rubber gasket is fixedly arranged at the filter screen inserting opening, so that the sealing performance is better.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.
Claims (6)
- The automatic feeding device for synthesizing and hydrogenating the 1.5-acetoacetylaminobenzimidazolone is characterized by comprising a filtering device and a mixing and pulping device, wherein a filter cake outlet at the bottom of the filtering device is connected with a solid feeding hole at the top of the mixing and pulping device through a pipeline, a stirring device and a liquid feeding hole are arranged in the mixing and pulping device, and a discharging hole at the bottom of the mixing and pulping device is connected with a feeding pump through a pipeline; the filter device comprises a cylinder, a filter device body and a filter screen, wherein a filter screen inserting hole is formed in the left side wall of the filter device body, a filter screen fixing table is arranged on the right side wall of the filter device body, the filter screen is inserted into the filter device body through the filter screen inserting hole and is fixed in the filter device body through the filter screen fixing table, one end, located outside the filter device body, of the filter screen is connected with a push-pull rod; the filter device is characterized in that a scraping device is arranged above the filter screen and comprises a support rod arranged on the side wall of the filter device, the lower end of the support rod is connected with a vertical scraping plate, and the bottom end of the scraping plate is in contact with the upper surface of the filter screen.
- 2. The automatic feeding device according to claim 1, wherein the scraper is made of an elastic rubber material and is disposed near a side of the screen insertion opening.
- 3. The automatic feeding device according to claim 1, wherein an annular cleaning pipe is arranged at the inner top of the filtering device, a plurality of nozzles are arranged on the annular cleaning pipe, and a water inlet of the annular cleaning pipe is connected with a water outlet of the cleaning water tank through a pipeline.
- 4. The automatic feeding device according to claim 3, wherein the water inlet of the annular cleaning pipe is connected with the air outlet of the fan through a pipeline, and an electric heating device is further arranged on the pipeline between the water inlet of the annular cleaning pipe and the fan.
- 5. The automatic feeding device according to claim 1, wherein the stirring device in the mixing and beating device comprises a driving motor, a rotating shaft and a stirring rod, the driving motor can drive the rotating shaft to drive the stirring rod to rotate, and the stirring rod is spirally provided with a plurality of stirring fins at different heights.
- 6. The automatic feeding device according to any one of claims 1 to 5, wherein the height of the screen insertion port is 0.3 to 0.5mm higher than the height of the screen, and an elastic rubber gasket is fixedly provided at the screen insertion port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921571022.8U CN209828822U (en) | 2019-09-20 | 2019-09-20 | Automatic feeding device for 5-acetoacetylaminobenzimidazolone synthesis hydrogenation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921571022.8U CN209828822U (en) | 2019-09-20 | 2019-09-20 | Automatic feeding device for 5-acetoacetylaminobenzimidazolone synthesis hydrogenation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209828822U true CN209828822U (en) | 2019-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921571022.8U Active CN209828822U (en) | 2019-09-20 | 2019-09-20 | Automatic feeding device for 5-acetoacetylaminobenzimidazolone synthesis hydrogenation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209828822U (en) |
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2019
- 2019-09-20 CN CN201921571022.8U patent/CN209828822U/en active Active
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