CN221310638U - 4-Methylimidazole purification equipment - Google Patents
4-Methylimidazole purification equipment Download PDFInfo
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- CN221310638U CN221310638U CN202322849408.3U CN202322849408U CN221310638U CN 221310638 U CN221310638 U CN 221310638U CN 202322849408 U CN202322849408 U CN 202322849408U CN 221310638 U CN221310638 U CN 221310638U
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- box
- distillation
- reaction
- tank
- methylimidazole
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- XLSZMDLNRCVEIJ-UHFFFAOYSA-N 4-methylimidazole Chemical compound CC1=CNC=N1 XLSZMDLNRCVEIJ-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000000746 purification Methods 0.000 title claims abstract description 19
- 238000004821 distillation Methods 0.000 claims abstract description 54
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 238000003756 stirring Methods 0.000 claims abstract description 31
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 14
- 238000000605 extraction Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 42
- 238000009423 ventilation Methods 0.000 claims description 6
- 239000000376 reactant Substances 0.000 abstract description 8
- 238000009413 insulation Methods 0.000 abstract description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000004321 preservation Methods 0.000 description 5
- 244000309464 bull Species 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003905 agrochemical Substances 0.000 description 1
- CCGSUNCLSOWKJO-UHFFFAOYSA-N cimetidine Chemical compound N#CNC(=N/C)\NCCSCC1=NC=N[C]1C CCGSUNCLSOWKJO-UHFFFAOYSA-N 0.000 description 1
- 229960001380 cimetidine Drugs 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Abstract
The utility model relates to the field of 4-methylimidazole and discloses 4-methylimidazole purification equipment, which comprises a base, wherein a reaction box is arranged on the upper surface of the base, a stirring and heating device is arranged in the reaction box, an ammonia box is arranged on the left side of the reaction box, an air extractor is arranged above the ammonia box, a control box is arranged on the left side of the ammonia box, a distillation box is arranged on the right side of the reaction box, a heating device is arranged in the distillation box, a stirring device is arranged in the distillation box, a conveying device is arranged between the reaction box and the distillation box, a vacuum pump is arranged on the right side of the distillation box, one end of an air extraction pipe is arranged above the vacuum pump, and the other end of the air extraction pipe penetrates through the upper wall of the distillation box and is communicated with the distillation box. The utility model has the advantages that: the stirring heating device has the advantages that reactants can be uniformly mixed and heated, the purification precision is improved, meanwhile, the stirring heating device is provided with the heat insulation layer, heat loss is prevented, and the stirring heating device is simple in structure and convenient to operate.
Description
Technical Field
The utility model relates to the technical field of 4-methylimidazole, in particular to 4-methylimidazole purifying equipment.
Background
The 4-methylimidazole is an organic compound, has a chemical formula of C4H6N2, is mainly used for synthesizing medicines such as cimetidine, and is also used as agricultural chemicals, epoxy resin curing agents, metal anticorrosive agents and the like, when the 4-methylimidazole is purified, purification equipment is used, and when the existing purification equipment is used for purifying, reactants are unevenly mixed, so that the purification precision is not high, and the existing purification equipment is complex in structure and complex in operation.
Disclosure of utility model
The utility model aims to solve the technical problems and provide the 4-methylimidazole purifying equipment which is provided with the stirring and heating device, so that reactants can be uniformly mixed and heated, the purifying precision is improved, the heat insulation layer is arranged, the heat loss is prevented, and the equipment is simple in structure and convenient to operate.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a 4-methylimidazole purification equipment, includes the base, base upper surface mounting has the reaction tank, install stirring heating device in the reaction tank, the ammonia gas case is installed in the reaction tank left side, air extraction device is installed to ammonia gas case top, the control box is installed in the ammonia gas case left side, the distillation tank is installed on the reaction tank right side, be equipped with heating device in the distillation tank, be equipped with agitating unit in the distillation tank, install conveyor between reaction tank and the distillation tank, the vacuum pump is installed on the distillation tank right side, the one end of exhaust tube is installed to the vacuum pump top, the other end of exhaust tube runs through the distillation tank upper wall and communicates with each other with the distillation tank, install the second unidirectional vent valve in the exhaust tube.
As an improvement, the outside heat preservation that is equipped with of reaction tank, there is the right side to be equipped with the feed inlet above the reaction tank, first temperature sensor is installed on the inside left side of reaction tank, pH valve sensor is installed to the inside bottom of reaction tank.
As an improvement, the stirring and heating device comprises a first motor, the first motor is arranged above the reaction box, a rotating shaft is arranged at the output shaft end of the first motor, the rotating shaft is positioned inside the reaction box, stirring rods are arranged on two sides of the rotating shaft, and heating parts are arranged on the stirring rods.
As an improvement, the air extractor comprises an air extracting pump, one end of an air inlet pipe is arranged at an air inlet of the air extracting pump, the other end of the air inlet pipe is communicated with the ammonia box, one end of an air outlet pipe is arranged at an air outlet of the air extracting pump, the other end of the air outlet pipe penetrates through the upper wall of the reaction box and is communicated with the interior of the reaction box, and a first one-way ventilation valve is arranged in the air outlet pipe.
As an improvement, a feed inlet is formed in the upper portion of the distillation box, a pressure sensor is arranged on the left side inside the distillation box, and a second temperature sensor is arranged at the upper end inside the distillation box.
As an improvement, agitating unit includes the second motor, the second motor is installed in the stilling box top, the bull stick is installed to the output shaft end of second motor, the bull stick is located the stilling box inside, the puddler is installed to bull stick both sides.
As an improvement, the conveying device comprises a water pump, the water pump is fixedly arranged on the upper surface of the base, one end of a water inlet pipe is arranged at a water inlet of the water pump, the other end of the water inlet pipe penetrates through the right side wall of the reaction box and is communicated with the reaction box, one end of a water outlet pipe is arranged at a water outlet of the water pump, the other end of the water outlet pipe penetrates through the upper wall of the distillation box and is communicated with the interior of the distillation box, a first electromagnetic valve is arranged in the water inlet pipe, and a second electromagnetic valve is arranged in the water outlet pipe.
As an improvement, be equipped with the display screen on the control box, be equipped with control button on the control box, the control box respectively with aspiration pump, first motor, second motor, heating element, vacuum pump and heating device electric connection.
Compared with the prior art, the utility model has the advantages that: when the stirring and heating device is used, reactants can be uniformly mixed and heated by the stirring and heating device, and the extraction precision is improved; the pressure in the distillation box can be adjusted through the vacuum pump and the pressure sensor; the heat loss can be prevented by the heat preservation layer, and the temperature required by the reaction is provided.
Drawings
FIG. 1 is a schematic diagram of the three-dimensional structure of a 4-methylimidazole purification device.
FIG. 2 is a schematic diagram of the front view structure of a 4-methylimidazole purification device.
As shown in the figure: 1. a base; 2. a reaction box; 3. an ammonia gas tank; 4. a distillation box; 5. a control box; 6. a stirring and heating device; 7. an air extracting device; 8. a conveying device; 9. a vacuum pump; 10. a heat preservation layer; 11. a feed inlet; 12. a first temperature sensor; 13. a pH value sensor; 14. a first motor; 15. a rotating shaft; 16. a stirring rod; 17. a heating member; 18. an air extracting pump; 19. an air inlet pipe; 20. an air outlet pipe; 21. a first one-way vent valve; 22. a feed inlet; 23. a pressure sensor; 24. a second temperature sensor; 25. a water pump; 26. a water inlet pipe; 27. a water outlet pipe; 28. a first electromagnetic valve; 29. a second electromagnetic valve; 30. an exhaust pipe; 31. a second one-way vent valve; 32. a display screen; 33. a control button; 34. a stirring device; 35. a second motor; 36. a rotating rod; 37. stirring rod.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 2, a 4-methylimidazole purifying device comprises a base 1, a reaction box 2 is arranged on the upper surface of the base 1, a stirring and heating device 6 is arranged in the reaction box 2, an ammonia box 3 is arranged on the left side of the reaction box 2, an air extractor 7 is arranged above the ammonia box 3, a control box 5 is arranged on the left side of the ammonia box 3, a distillation box 4 is arranged on the right side of the reaction box 2, a heating device is arranged in the distillation box 4, a stirring device 34 is arranged in the distillation box 4, a conveying device 8 is arranged between the reaction box 2 and the distillation box 4, a vacuum pump 9 is arranged on the right side of the distillation box 4, one end of an air extraction pipe 30 is arranged above the vacuum pump 9, the other end of the air extraction pipe 30 penetrates through the upper wall of the distillation box 4 to be communicated with the distillation box 4, and a second one-way ventilation valve 31 is arranged in the air extraction pipe 30.
The outside heat preservation 10 that is equipped with of reaction tank 2, there is right side to be equipped with feed inlet 11 above the reaction tank 2, first temperature sensor 12 is installed in the inside left side of reaction tank 2, pH value sensor 13 is installed to the inside bottom of reaction tank 2, stirring heating device 6 includes first motor 14, the top at reaction tank 2 is installed to first motor 14, pivot 15 is installed at the output shaft end of first motor 14, pivot 15 is located inside the reaction tank 2, puddler 16 is installed to the both sides of pivot 15, install heating element 17 on the puddler 16.
Specifically, the reaction materials are put into the reaction box 2 from the feed inlet 11, the feed inlet 11 is closed, the first motor 14 is started to drive the rotary shaft 15 to rotate, the rotary shaft 15 drives the stirring rod 16 to rotate to stir and mix the reactants, then the heating element 17 is started to heat the reactants through the control button 33, the heat preservation layer 10 can preserve the heat of the reaction box 2, heat loss is prevented, the temperature is transmitted to the display screen 32 through the first temperature sensor 12, the timely adjustment is facilitated, and the stirring and the heating are continued for 3-5 hours.
The air extractor 7 comprises an air extracting pump 18, one end of an air inlet pipe 19 is arranged at an air inlet of the air extracting pump 18, the other end of the air inlet pipe 19 is communicated with the ammonia box 3, one end of an air outlet pipe 20 is arranged at an air outlet of the air extracting pump 18, the other end of the air outlet pipe 20 penetrates through the upper wall of the reaction box 2 and is communicated with the interior of the reaction box 2, and a first one-way ventilation valve 21 is arranged in the air outlet pipe 20.
Specifically, after the interior of the reaction box 2 is continuously stirred and heated for 3-5 hours, the air suction pump 18 is started, the first one-way ventilation valve 21 is opened, ammonia in the ammonia box 3 is pumped into the air inlet pipe 19, then the ammonia enters the interior of the reaction box 2 through the air outlet pipe 20, the ammonia and the mixture in the reaction box 2 are subjected to mixed reaction, the pH value is displayed on the display screen 32 through the pH value sensor 13 so as to be convenient for observation, when the pH value is 8-9, the ammonia is stopped to be fed, then the heating element 17 is stopped to be heated through the control button 33, the interior temperature of the reaction box 2 is naturally cooled to 35-50 ℃, then the feeding port 11 is opened to be added with sodium hydroxide, stirring is continued, and when the pH value in the reaction box 2 is 9-11, the sodium hydroxide is stopped to be added, and at the moment, the 4-methylimidazole mixture can be obtained.
The conveying device 8 comprises a water pump 25, the water pump 25 is fixedly arranged on the upper surface of the base 1, one end of a water inlet pipe 26 is arranged at a water inlet of the water pump 25, the other end of the water inlet pipe 26 penetrates through the right side wall of the reaction tank 2 and is communicated with the reaction tank 2, one end of a water outlet pipe 27 is arranged at a water outlet of the water pump 25, the other end of the water outlet pipe 27 penetrates through the upper wall of the distillation tank 4 and is communicated with the interior of the distillation tank 4, a first electromagnetic valve 28 is arranged in the water inlet pipe 26, a second electromagnetic valve 29 is arranged in the water outlet pipe 27, a feed inlet 22 is arranged above the distillation tank 4, a pressure sensor 23 is arranged on the left side of the interior of the distillation tank 4, a second temperature sensor 24 is arranged at the upper end of the interior of the distillation tank 4, a stirring device 34 comprises a second motor 35, the second motor 35 is arranged above the distillation tank 4, a rotating rod 36 is arranged at the output shaft end of the second motor 35, the rotating rod 36 is positioned in the distillation tank 4, and stirring rods 37 are arranged on two sides of the rotating rod 36.
Specifically, the first electromagnetic valve 28 and the second electromagnetic valve 29 are opened, the water pump 25 is started to pump reactants in the reaction tank 2 into the distillation tank 4 through the water outlet pipe 27 after the reactants are pumped into the water inlet pipe 26, then an equal amount of extracting solution is put into the distillation tank 4 from the feed inlet 22, the feed inlet 22 is closed, the second motor 35 is started to drive the rotating rod 36 to rotate, the rotating rod 36 drives the stirring rod 37 to rotate for stirring, then the heating device is started to heat the distillation tank 4, after the heating is carried out for 1-3 hours, the second one-way ventilation valve 31 is opened, the vacuum pump 9 is started to pump air in the distillation tank 4 from the exhaust pipe 30 to reduce the pressure in the distillation tank 4, the pressure value is transmitted to the display screen 32 through the pressure sensor 23, the vacuum pump 9 is controlled to stop working after the pressure value is 0.4-0.8 times of standard atmospheric pressure, and then the heating is continued for 1-3 hours, so that 4-methylimidazole can be separated.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (8)
1. 4-Methylimidazole purification equipment, including base (1), its characterized in that: the utility model discloses a vacuum pump, including base (1), reaction tank (2) are gone up surface mounting, install stirring heating device (6) in reaction tank (2), ammonia gas tank (3) are installed in reaction tank (2) left side, air extraction device (7) are installed to ammonia gas tank (3) top, control box (5) are installed in ammonia gas tank (3) left side, distillation tank (4) are installed on reaction tank (2) right side, be equipped with heating device in distillation tank (4), be equipped with agitating unit (34) in distillation tank (4), install conveyor (8) between reaction tank (2) and distillation tank (4), vacuum pump (9) are installed on distillation tank (4) right side, one end of exhaust tube (30) is installed to vacuum pump (9) top, the other end of exhaust tube (30) runs through distillation tank (4) upper wall and communicates with each other with distillation tank (4), install second check valve (31) in exhaust tube (30).
2. A 4-methylimidazole purification apparatus as claimed in claim 1, wherein: the reaction box (2) is externally provided with an insulating layer (10), the right side is provided with a feed inlet (11) above the reaction box (2), the left side inside the reaction box (2) is provided with a first temperature sensor (12), and the bottom inside the reaction box (2) is provided with a pH value sensor (13).
3. A 4-methylimidazole purification apparatus as claimed in claim 1, wherein: stirring heating device (6) are including first motor (14), the top at reaction tank (2) is installed to first motor (14), pivot (15) are installed to the output shaft end of first motor (14), pivot (15) are located inside reaction tank (2), puddler (16) are installed to both sides of pivot (15), install heating member (17) on puddler (16).
4. A 4-methylimidazole purification apparatus as claimed in claim 1, wherein: the air extractor (7) comprises an air extracting pump (18), one end of an air inlet pipe (19) is arranged at an air inlet of the air extracting pump (18), the other end of the air inlet pipe (19) is communicated with the ammonia box (3), one end of an air outlet pipe (20) is arranged at an air outlet of the air extracting pump (18), the other end of the air outlet pipe (20) penetrates through the upper wall of the reaction box (2) and is communicated with the interior of the reaction box (2), and a first one-way ventilation valve (21) is arranged in the air outlet pipe (20).
5. A 4-methylimidazole purification apparatus as claimed in claim 1, wherein: the upper part of the distillation box (4) is provided with a feed inlet (22), the left side of the interior of the distillation box (4) is provided with a pressure sensor (23), and the upper end of the interior of the distillation box (4) is provided with a second temperature sensor (24).
6. A 4-methylimidazole purification apparatus as claimed in claim 1, wherein: the stirring device (34) comprises a second motor (35), the second motor (35) is arranged above the distillation box (4), a rotating rod (36) is arranged at the output shaft end of the second motor (35), the rotating rod (36) is positioned inside the distillation box (4), and stirring rods (37) are arranged on two sides of the rotating rod (36).
7. A 4-methylimidazole purification apparatus as claimed in claim 1, wherein: the conveying device (8) comprises a water pump (25), the water pump (25) is fixedly arranged on the upper surface of the base (1), one end of a water inlet pipe (26) is arranged at the water inlet of the water pump (25), the other end of the water inlet pipe (26) penetrates through the right side wall of the reaction box (2) to be communicated with the reaction box (2), one end of a water outlet pipe (27) is arranged at the water outlet of the water pump (25), the other end of the water outlet pipe (27) penetrates through the upper wall of the distillation box (4) to be communicated with the interior of the distillation box (4), a first electromagnetic valve (28) is arranged in the water inlet pipe (26), and a second electromagnetic valve (29) is arranged in the water outlet pipe (27).
8. A 4-methylimidazole purification apparatus as claimed in claim 1, wherein: the control box (5) is provided with a display screen (32), the control box (5) is provided with a control button (33), and the control box (5) is respectively electrically connected with the air pump (18), the first motor (14), the second motor (35), the heating element (17), the vacuum pump (9) and the heating device.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221310638U true CN221310638U (en) | 2024-07-12 |
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| GR01 | Patent grant |