CN218901863U - Flucytosine reation kettle - Google Patents
Flucytosine reation kettle Download PDFInfo
- Publication number
- CN218901863U CN218901863U CN202223364517.8U CN202223364517U CN218901863U CN 218901863 U CN218901863 U CN 218901863U CN 202223364517 U CN202223364517 U CN 202223364517U CN 218901863 U CN218901863 U CN 218901863U
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- China
- Prior art keywords
- stirring
- kettle body
- gas
- stirring shaft
- fluorocytosine
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XRECTZIEBJDKEO-UHFFFAOYSA-N flucytosine Chemical compound NC1=NC(=O)NC=C1F XRECTZIEBJDKEO-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229960004413 flucytosine Drugs 0.000 title description 5
- 238000003756 stirring Methods 0.000 claims abstract description 76
- 238000006243 chemical reaction Methods 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 239000002826 coolant Substances 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052731 fluorine Inorganic materials 0.000 abstract description 8
- 239000011737 fluorine Substances 0.000 abstract description 8
- 239000011229 interlayer Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 56
- 239000000463 material Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- OPTASPLRGRRNAP-UHFFFAOYSA-N cytosine Chemical compound NC=1C=CNC(=O)N=1 OPTASPLRGRRNAP-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- YPDSOAPSWYHANB-UHFFFAOYSA-N [N].[F] Chemical compound [N].[F] YPDSOAPSWYHANB-UHFFFAOYSA-N 0.000 description 2
- 229940104302 cytosine Drugs 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000003682 fluorination reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 230000003254 anti-foaming effect Effects 0.000 description 1
- 229940121375 antifungal agent Drugs 0.000 description 1
- 239000003429 antifungal agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a fluorocytosine reaction kettle, which comprises a kettle body and a stirring mechanism arranged on the kettle body, wherein a cooling interlayer is arranged on the side wall of the kettle body and is communicated with a cooling medium, the stirring mechanism comprises a stirring motor, a stirring shaft connected with the stirring motor and a plurality of stirring blades arranged on the stirring shaft, the top surface of the kettle body is provided with a mounting opening corresponding to the stirring mechanism, a motor bracket is arranged on the mounting opening, a driving motor is fixed on the motor bracket, the upper end of the stirring shaft is positioned outside the kettle body and is connected with the driving motor, and the lower end of the stirring shaft is positioned inside the kettle body; the top of the kettle body is provided with an exhaust port, the bottom of the kettle body is provided with a liquid outlet, the middle of the kettle body is provided with a feed inlet and a gas introduction port, the gas introduction port is connected with a gas conduit, the gas conduit is Z-shaped, the inside of the kettle body is provided with a gas disperser, and the lower end of a stirring shaft is rotationally connected with the gas disperser. The fluorocytosine reaction kettle is convenient for feeding fluorine-containing gas, and has higher stirring stability.
Description
Technical Field
The utility model relates to a chemical reactor, in particular to a fluorocytosine reaction kettle.
Background
Flucytosine, also known as 4-amino-5-fluoro-2 (1H) -pyrimidinone or 5-flucytosine, is an antifungal agent. The prior art for producing fluorocytosine mainly uses cytosine as raw material to directly fluorinate to obtain 5-fluorocytosine, and before the reaction, a venturi ejector is generally adopted to uniformly mix cytosine and hydrogen fluoride solution, then the mixture is injected into a reaction kettle at the temperature of-5 ℃ to 0 ℃, then fluorine-containing gas is introduced into the reaction kettle at the temperature of about-15 ℃ so as to carry out fluorination reaction, nitrogen is introduced after a period of reaction, and redundant fluorine gas is discharged.
The types of the prior fluorocytosine reaction kettles are many. For example: the special reaction kettle for producing fluorocytosine disclosed in Chinese patent CN209188782U, the fluorocytosine reaction kettle convenient to clean disclosed in Chinese patent CN213102196U, the reaction kettle for producing fluorocytosine with strong stirring capability disclosed in Chinese patent CN207680580U and the like are disclosed, but most of the reaction kettles aim at solving the problems of stirring and mixing of the reaction kettles and cleaning the inside, and most of fluorine-containing gas is injected through a charging port at the top of a kettle body in the process of synthesizing fluorocytosine, so that the fluorine-containing gas is not easy to mix with a reaction solution uniformly.
Chinese patent CN205570296U discloses a fluorinated reactor with 5 fluorocytosine stirring, which comprises a cylinder, the outer surface of the cylinder is sleeved with a cooling jacket, a solid material feeding device is arranged in the middle of the upper part of the cylinder, a fluorine-nitrogen gas inlet pipe is arranged on the upper part of the side surface of the cylinder, the fluorine-nitrogen gas inlet pipe is communicated with the inside of the cylinder, a gas distributor is arranged at the bottom of the cylinder, a cooling coil is arranged on the inner surface of the cylinder, a magnetic stirrer is arranged in the center of the cylinder, a liquid level meter port is arranged on the side surface of the lower part of the cylinder, and a liquid phase discharge port is arranged at the bottom of the cylinder. The fluorine-containing gas injection and mixing problems are fully considered in the fluorination reactor, however, the stability of the magnetic stirrer is relatively poor, and the magnetic stirrer is arranged on a solid material feeding device.
In order to solve the above problems, an ideal technical solution is always sought.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, and provides a fluorocytosine reaction kettle.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a fluorocytosine reaction kettle, including the cauldron body and set up the rabbling mechanism on the cauldron body, the cooling intermediate layer has been seted up to the cauldron body lateral wall, cooling intermediate layer intercommunication coolant medium, rabbling mechanism includes agitator motor, the (mixing) shaft of connecting agitator motor, set up a plurality of stirring vane on the (mixing) shaft, the top surface of the cauldron body corresponds the rabbling mechanism and sets up the installing port, be provided with the motor support on this installing port, driving motor is fixed in this motor support, the upper end of (mixing) shaft is located the external connection driving motor of the cauldron body, the lower extreme of (mixing) shaft is located the inside of the cauldron body; the top of the kettle body is provided with an exhaust port, the bottom of the kettle body is provided with a liquid outlet, the middle of the kettle body is provided with a feed inlet and a gas introduction port, the gas introduction port is connected with a gas conduit, the gas conduit is Z-shaped, the inside of the kettle body is provided with a gas disperser, and the lower end of a stirring shaft is rotationally connected with the gas disperser.
The kettle body comprises an upper conical part, a lower conical part and a straight cylinder part for connecting the upper conical part and the lower conical part, the exhaust port and the mounting port are positioned at the upper conical part, and the charging port and the gas introduction port are positioned at the straight cylinder part; the outer side of the straight cylinder part is connected with a supporting leg, and the liquid outlet is positioned at the lower conical part.
The gas distributor comprises a circular supporting plate, the edge of the circular supporting plate is provided with a connecting piece, a plurality of gas dispersing holes are formed in the circular supporting plate, the center of the circular supporting plate is connected with the lower end of the stirring shaft, the edge of the circular supporting plate is connected with the lower end of the straight barrel part, the circular supporting plate is provided with a mounting hole corresponding to a gas conduit, and the vertical part of the gas conduit penetrates through the circular supporting plate.
Four groups of stirring blades are arranged on the stirring shaft, each group comprises two stirring blades, and the two stirring blades in each group are vertical and the horizontal central lines are positioned on the same straight line.
The upper end of the straight cylinder part is provided with an defoaming screen, the edge of the defoaming screen is provided with a connecting piece, and the stirring shaft penetrates through the center of the defoaming screen and is rotationally connected with the defoaming screen.
The landing leg comprises a horizontal support plate and I-steel arranged on the horizontal support plate, and two wing plates of the I-steel are connected with the outer side wall of the straight cylinder part.
An inner cylinder is arranged between the foam eliminating screen plate and the round supporting plate.
Compared with the prior art, the fluorocytosine reaction kettle provided by the utility model has the beneficial effects that the fluorocytosine reaction kettle is convenient for feeding fluorine-containing gas, and the stirring stability is higher. Specifically, the top surface of the kettle body is provided with a mounting opening, the mounting opening is provided with a motor bracket, and the driving motor is fixed on the motor bracket, so that the driving motor is not easy to shake in the stirring process; in addition, the charging port and the gas introduction port are arranged in the middle of the kettle body, so that the materials are easier to mix uniformly than the materials which are directly charged at the top of the kettle body, and the waste caused by the fact that the materials fall on a stirring shaft at the upper part of the kettle body and cannot be mixed uniformly with the solution can be avoided; meanwhile, the gas conduit is Z-shaped, the gas outlet of the gas conduit is positioned on the central shaft of the kettle body, so that the central shaft of the kettle body in gas is convenient to disperse all around, the gas disperser is arranged at the same time, the uniformity of gas dispersion is improved, the lower end of the stirring shaft is connected with the gas disperser, and the stability of the stirring shaft can also be improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
FIG. 2 is a schematic diagram of the connection structure of the stirring shaft, the foam eliminating screen and the gas distributor in the present utility model.
FIG. 3 is a schematic diagram of the connection structure of the stirring shaft, the foam eliminating screen, the gas distributor and the inner cylinder in the utility model.
Fig. 4 is a schematic view of the external structure of the present utility model.
In the figure: 1. an upper tapered portion; 2. a lower tapered portion; 3. a straight tube portion; 4. a feed inlet; 5. a gas introduction port; 6. a gas conduit; 7. a liquid outlet; 8. a mounting port; 9. a driving motor; 10. a motor bracket; 11. a stirring shaft; 12. stirring blades; 13. an antifoaming screen plate; 14. a gas distributor; 15. i-steel; 16. a horizontal support plate; 17. an inner cylinder; 18. a mounting hole; 19. and an exhaust port.
Detailed Description
The technical scheme of the utility model is further described in detail through the following specific embodiments.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. "mounting", "providing", "connecting" etc. may be by means conventional in the art, for example: integral arrangement, clamping installation, welding connection, bonding connection, bolt connection and the like. The specific meaning of the terms in the present utility model will be understood by those skilled in the art in specific cases, and suitable connection, arrangement or installation means will be selected in the prior art.
As shown in fig. 1-4, a fluorocytosine reaction kettle comprises a kettle body and a stirring mechanism arranged on the kettle body, wherein a cooling interlayer is arranged on the side wall of the kettle body and is communicated with a cooling medium, the stirring mechanism comprises a stirring motor, a stirring shaft 11 connected with the stirring motor and a plurality of stirring blades 12 arranged on the stirring shaft 11, the top surface of the kettle body is provided with a mounting opening 8 corresponding to the stirring mechanism, the mounting opening 8 is provided with a motor bracket 10, a driving motor 9 is fixed on the motor bracket 10, the upper end of the stirring shaft 11 is connected with the driving motor 9 outside the kettle body, and the lower end of the stirring shaft 11 is positioned inside the kettle body; the top of the kettle body is provided with an exhaust port 19 so as to discharge gas, the bottom of the kettle body is provided with a liquid outlet 7 so as to discharge liquid, the middle part of the kettle body is provided with a feed inlet 4 and a gas inlet 5, the gas inlet 5 is connected with a gas conduit 6, the gas conduit 6 is Z-shaped, the gas outlet of the gas conduit is positioned on the central shaft of the kettle body, the inside of the kettle body is provided with a gas disperser, and the lower end of a stirring shaft 11 is rotationally connected with the gas disperser. Specifically, a cooling medium with a proper temperature can be directly added into the cooling interlayer to adjust the temperature in the reaction kettle, and a spiral coil can also be arranged.
The fluorocytosine reaction kettle is suitable for fluorocytosine synthesis, is convenient for fluorine-containing gas feeding, and has higher stirring stability. Specifically, the top surface of the kettle body is provided with a mounting opening, the mounting opening is provided with a motor bracket, and the driving motor is fixed on the motor bracket, so that the driving motor is not easy to shake in the stirring process; in addition, the charging port and the gas introduction port are arranged in the middle of the kettle body, so that the materials are easier to mix uniformly than the materials which are directly charged at the top of the kettle body, and the waste caused by the fact that the materials fall on a stirring shaft at the upper part of the kettle body and cannot be mixed uniformly with the solution can be avoided; meanwhile, the gas conduit is Z-shaped, the gas outlet of the gas conduit is positioned on the central shaft of the kettle body, so that the central shaft of the kettle body in gas is convenient to disperse all around, the gas disperser is arranged at the same time, the uniformity of gas dispersion is improved, the lower end of the stirring shaft is connected with the gas disperser, and the stability of the stirring shaft can also be improved.
In one embodiment, the kettle body comprises an upper conical part 1, a lower conical part 2 and a straight cylinder part 3 for connecting the upper conical part 1 and the lower conical part 2, so that the discharging is convenient, an exhaust port 19 and a mounting port 8 are positioned on the upper conical part 1, and a charging port 4 and a gas introducing port 5 are positioned on the straight cylinder part 3; the outer side of the straight cylinder part 3 is connected with a supporting leg, and the liquid outlet 7 is positioned on the lower conical part 2.
In one embodiment, the gas distributor 14 comprises a circular support plate, the edge of the circular support plate is provided with a connecting piece, a plurality of gas dispersing holes are formed in the circular support plate, the center of the circular support plate is connected with the lower end of the stirring shaft 11, the edge of the circular support plate is connected with the lower end of the straight barrel 3, the circular support plate is provided with a mounting hole 18 corresponding to the gas conduit 6, and the vertical part of the gas conduit 6 penetrates through the circular support plate to improve the stability of the gas conduit.
In one embodiment, four sets of stirring blades 12 are disposed on the stirring shaft 11, each set includes two stirring blades 12, and two stirring blades 12 in each set are vertical and horizontal center lines are located on the same straight line, so that the stirring blades are prevented from being located on the same plane, and stirring efficiency is improved.
In one embodiment, the upper end of the straight cylinder part 3 is provided with an defoaming screen 13, the edge of the defoaming screen 13 is provided with a connecting piece, and the stirring shaft 11 passes through the center of the defoaming screen 13 and is rotationally connected with the defoaming screen 13, so that the stability of the stirring shaft is improved.
In one embodiment, the supporting leg comprises a horizontal support plate 16 and a I-steel 15 arranged on the horizontal support plate 16, and two wing plates of the I-steel 15 are connected with the outer side wall of the straight cylinder part 3 so as to support the kettle body.
In one embodiment, an inner cylinder 17 is arranged between the foam eliminating screen plate 13 and the round supporting plate, the outer diameter of the inner cylinder is smaller than that of the straight cylinder part, and when stirring, the stirring shaft rotates to form negative pressure, and bottom liquid enters the inner cylinder, so that stirring efficiency is improved. Preferably, the inner barrel may be straight or tapered.
The above embodiments may be combined with each other.
It should be noted that, the charging port, the exhaust port, the liquid discharging port and the gas introducing port on the kettle body may be provided with adjusting valves and connected with feeding or discharging facilities, for example: the charging port is communicated with the feeding pipeline, the liquid discharging port is communicated with the liquid discharging pipeline, the exhaust port is provided with an exhaust valve, and the exhaust pipeline is communicated with the like; in addition, the reaction kettle needs to be sealed in the use process, and commercially available (rotary) sealing products are arranged on each interface according to the needs.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.
Claims (7)
1. The utility model provides a fluorocytosine reaction kettle, includes the cauldron body and sets up the rabbling mechanism on the cauldron body, and the cooling intermediate layer has been seted up to cauldron body lateral wall, and cooling intermediate layer intercommunication cooling medium, its characterized in that: the stirring mechanism comprises a stirring motor, a stirring shaft connected with the stirring motor, and a plurality of stirring blades arranged on the stirring shaft, wherein the top surface of the kettle body is provided with a mounting opening corresponding to the stirring mechanism, the mounting opening is provided with a motor bracket, the driving motor is fixed on the motor bracket, the upper end of the stirring shaft is positioned outside the kettle body and connected with the driving motor, and the lower end of the stirring shaft is positioned inside the kettle body; the top of the kettle body is provided with an exhaust port, the bottom of the kettle body is provided with a liquid outlet, the middle of the kettle body is provided with a feed inlet and a gas introduction port, the gas introduction port is connected with a gas conduit, the gas conduit is Z-shaped, the inside of the kettle body is provided with a gas disperser, and the lower end of a stirring shaft is rotationally connected with the gas disperser.
2. The fluorocytosine reaction kettle of claim 1, wherein: the kettle body comprises an upper conical part, a lower conical part and a straight cylinder part for connecting the upper conical part and the lower conical part, the exhaust port and the mounting port are positioned at the upper conical part, and the charging port and the gas introduction port are positioned at the straight cylinder part; the outer side of the straight cylinder part is connected with a supporting leg, and the liquid outlet is positioned at the lower conical part.
3. The fluorocytosine reaction kettle of claim 2, wherein: the gas distributor comprises a circular supporting plate, the edge of the circular supporting plate is provided with a connecting piece, a plurality of gas dispersing holes are formed in the circular supporting plate, the center of the circular supporting plate is connected with the lower end of the stirring shaft, the edge of the circular supporting plate is connected with the lower end of the straight barrel part, the circular supporting plate is provided with a mounting hole corresponding to a gas conduit, and the vertical part of the gas conduit penetrates through the circular supporting plate.
4. A fluorocytosine reaction tank as claimed in claim 3, characterized in that: four groups of stirring blades are arranged on the stirring shaft, each group comprises two stirring blades, and the two stirring blades in each group are vertical and the horizontal central lines are positioned on the same straight line.
5. The fluorocytosine reaction kettle of claim 4, wherein: the upper end of the straight cylinder part is provided with an defoaming screen, the edge of the defoaming screen is provided with a connecting piece, and the stirring shaft penetrates through the center of the defoaming screen and is rotationally connected with the defoaming screen.
6. The fluorocytosine reaction kettle of claim 2, wherein: the landing leg comprises a horizontal support plate and I-steel arranged on the horizontal support plate, and two wing plates of the I-steel are connected with the outer side wall of the straight cylinder part.
7. The fluorocytosine reaction kettle of claim 5, wherein: an inner cylinder is arranged between the foam eliminating screen plate and the round supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223364517.8U CN218901863U (en) | 2022-12-15 | 2022-12-15 | Flucytosine reation kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223364517.8U CN218901863U (en) | 2022-12-15 | 2022-12-15 | Flucytosine reation kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218901863U true CN218901863U (en) | 2023-04-25 |
Family
ID=86009676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223364517.8U Active CN218901863U (en) | 2022-12-15 | 2022-12-15 | Flucytosine reation kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218901863U (en) |
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2022
- 2022-12-15 CN CN202223364517.8U patent/CN218901863U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 166, Jijiashan Industrial Park, Hebiji Township, Heshan District, Hebi City, Henan Province, 458010 Patentee after: Hebi Xinhe Pharmaceutical Co.,Ltd. Country or region after: China Address before: No. 166, Jijiashan Industrial Park, Hebiji Township, Heshan District, Hebi City, Henan Province, 458010 Patentee before: Hebi Xinhe Chemical Co.,Ltd. Country or region before: China |