CN221156648U - Low-temperature crystallization reaction kettle for preparing ammonium perrhenate - Google Patents
Low-temperature crystallization reaction kettle for preparing ammonium perrhenate Download PDFInfo
- Publication number
- CN221156648U CN221156648U CN202322768513.4U CN202322768513U CN221156648U CN 221156648 U CN221156648 U CN 221156648U CN 202322768513 U CN202322768513 U CN 202322768513U CN 221156648 U CN221156648 U CN 221156648U
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- Prior art keywords
- reaction kettle
- stirring
- stirring shaft
- pipe
- ammonium perrhenate
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 68
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 title claims abstract description 17
- 238000002425 crystallisation Methods 0.000 title claims abstract description 15
- 230000008025 crystallization Effects 0.000 title claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 66
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 239000010410 layer Substances 0.000 claims abstract description 13
- 239000002826 coolant Substances 0.000 claims abstract description 12
- 239000011229 interlayer Substances 0.000 claims abstract description 12
- 238000005057 refrigeration Methods 0.000 claims abstract description 7
- 238000009423 ventilation Methods 0.000 claims abstract description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000002156 mixing Methods 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a low-temperature crystallization reaction kettle for preparing ammonium perrhenate, wherein a driving motor is arranged on the outer side of the top of the reaction kettle, the driving motor is connected with a stirring shaft, the lower end of the stirring shaft penetrates through the top of the reaction kettle and extends to the inner cavity of the reaction kettle, a stirring mechanism is arranged on the bottom of the stirring shaft, and the stirring shaft and the stirring mechanism are of hollow structures and are mutually communicated; the side wall of the reaction kettle is a cooling interlayer formed by an inner layer and an outer layer, a spiral cooling pipe is spirally arranged in the inner cavity of the cooling interlayer, the spiral cooling pipe is connected with refrigeration equipment positioned outside the reaction kettle through a cooling medium inlet pipe, and the cooling medium is conveyed to the spiral cooling pipe through a conveying pump; the refrigerating equipment is also connected with a cold air conveying pipe which is communicated with the top of the stirring shaft, and a plurality of micro-ventilation holes for conveying cold air are uniformly arranged on the stirring mechanism. The internal and external temperature control and cooling device ensures that the temperature control is more accurate and the reaction effect is better.
Description
Technical Field
The utility model belongs to the technical field of ammonium perrhenate preparation, and particularly relates to a low-temperature crystallization reaction kettle for preparing ammonium perrhenate.
Background
In the system for preparing ammonium perrhenate, a low-temperature reaction kettle is needed, and the reaction kettle is a reaction device which is used for mixing and stirring in the production process in the field of fine chemical engineering, and the reaction device is integrated with a reaction solvent placed in the inner layer for stirring reaction, so that full stirring and mixing can be realized. In the mixing and stirring process, the solvent in the kettle body can generate a large amount of heat due to stirring or can release a large amount of heat in the reaction process, the quality of the solvent in the kettle body is seriously affected due to the fact that the heat cannot be timely dissipated, even the solvent cannot have a due effect, the existing cooling reaction kettle generally is provided with a cold source to an interlayer, and the material in the reaction kettle is refrigerated, but the cooling effect is not ideal.
Disclosure of utility model
The utility model provides a low-temperature crystallization reaction kettle for preparing ammonium perrhenate, which aims to solve the problems, wherein a spiral cooling pipe is spirally arranged in an interlayer, a cooling medium flow is increased, and cold air is introduced into a stirring shaft for cooling the inside of the reaction kettle.
The utility model is realized by the following technical scheme:
The low-temperature crystallization reaction kettle for preparing ammonium perrhenate is characterized in that a driving motor is arranged on the outer side of the top of the reaction kettle, the driving motor is connected with a stirring shaft, the lower end of the stirring shaft penetrates through the top of the reaction kettle and extends to the inner cavity of the reaction kettle, a stirring mechanism is arranged at the bottom of the stirring shaft, and the stirring shaft and the stirring mechanism are of hollow structures and are mutually communicated;
The side wall of the reaction kettle is a cooling interlayer formed by an inner layer and an outer layer, a spiral cooling pipe is spirally arranged in the inner cavity of the cooling interlayer, the spiral cooling pipe is connected with refrigeration equipment positioned outside the reaction kettle through a cooling medium inlet pipe, and the cooling medium is conveyed to the spiral cooling pipe through a conveying pump;
the refrigerating equipment is also connected with a cold air conveying pipe, the cold air conveying pipe is communicated with the top of the stirring shaft, and a plurality of micro air holes for conveying cold air are uniformly formed in the stirring mechanism.
Further, the stirring mechanism comprises stirring blades arranged at the bottom of the stirring shaft.
Further, the stirring mechanism further comprises a stirring frame connected with the stirring shaft, and the stirring blades are positioned inside the stirring frame.
Further, the inner wall of the reaction kettle is a corrosion-resistant layer.
Further, a temperature sensor is arranged inside the reaction kettle.
Further, the top of reation kettle is provided with the inlet pipe.
Further, a discharging pipe is arranged at the bottom of the reaction kettle.
Further, the bottom of the reaction kettle is also provided with a support column.
The utility model has the beneficial effects that:
(1) According to the utility model, a cooling medium is pumped into the spiral cooling pipe of the cooling interlayer of the reaction kettle through a pump, the temperature required by the reaction is reached by adjusting the flow of the refrigerant, the medium and the like, the refrigeration temperature is convenient to adjust, the equipment is simple, and the cost is low;
(2) According to the utility model, the cold air is directly input into the inner cavity of the stirring shaft through the cold air conveying pipe, the micro air holes are densely distributed on the stirring mechanism, so that the cold air is directly pumped into the liquid, the reaction temperature is reduced from the inside of the reaction kettle, the temperature sensor is arranged in the reaction kettle, and the temperature is controlled and cooled simultaneously from the inside to the outside, so that the temperature control is more accurate, and the reaction effect is better.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a top view of the lumen of the present utility model;
FIG. 3 is a schematic structural view of a reaction kettle according to the present utility model;
Reference numerals: 1.2, driving motor, 3, (mixing) shaft, 4, rabbling mechanism, 5, cooling intermediate layer, 6, spiral cooling tube, 7, refrigeration plant, 8, cooling medium advances the pipe, 9, air conditioning conveyer pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the present utility model.
As shown in the figure, the low-temperature crystallization reaction kettle for preparing ammonium perrhenate is characterized in that the inner wall of the reaction kettle is a corrosion-resistant layer, so that the inner wall of the reaction kettle is prevented from being corroded by inner cavity liquid, the service life of the reaction kettle is prolonged, a temperature sensor is arranged in the reaction kettle 1, the temperature in the reaction kettle can be monitored in real time, a feeding pipe is arranged at the top of the reaction kettle 1, and a discharging pipe and a supporting column are arranged at the bottom of the reaction kettle.
The outer side of the top of the reaction kettle 1 is also provided with a driving motor 2, the driving motor 2 is connected with a stirring shaft 3, the lower end of the stirring shaft 3 penetrates through the top of the reaction kettle and extends to the inner cavity of the reaction kettle, the bottom of the stirring shaft 3 is provided with a stirring mechanism 4, and the stirring shaft 3 and the stirring mechanism 4 are of hollow structures and are mutually communicated;
The side wall of the reaction kettle is a cooling interlayer 5 composed of an inner layer and an outer layer, a spiral cooling pipe 6 is spirally arranged in the inner cavity of the cooling interlayer 5, the spiral cooling pipe 6 is connected with a refrigeration device 7 positioned outside the reaction kettle through a cooling medium inlet pipe 8, and the cooling medium is conveyed to the spiral cooling pipe 6 through a conveying pump; the cooling medium is pumped into the reaction kettle cooling interlayer spiral cooling pipe 8 through a pump, the temperature required by the reaction is reached through adjusting the flow of the refrigerant, the medium and the like, the refrigeration temperature is convenient to adjust, the equipment is simple, and the cost is low;
The refrigerating equipment 7 is also connected with a cold air conveying pipe 9, the cold air conveying pipe 9 is communicated with the top of the stirring shaft 3, and a plurality of micro ventilation holes for conveying cold air are uniformly formed in the stirring mechanism 4; it is through air conditioning conveyer pipe direct input (mixing) shaft inner chamber with air conditioning, and the fine bleeder vent has densely covered on the rabbling mechanism 4, makes the air conditioning pump go into inside liquid, from inside reaction kettle reduces reaction temperature, and inside outside is the temperature cooling in the same time, makes the temperature in the reaction kettle reduce to the required temperature for temperature control is more accurate, and the reaction effect is better.
Further, the stirring mechanism 4 comprises stirring blades arranged at the bottom of the stirring shaft 3, the stirring mechanism 4 further comprises a stirring frame connected with the stirring shaft, the stirring blades are arranged inside the stirring frame, and the structure of the stirring mechanism 4 is arranged to enable the cooling air and liquid to be larger in stirring contact area, so that the cooling effect is increased.
While the basic principles, principal features and advantages of the present utility model have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described in the foregoing description merely illustrate the principles of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.
Claims (8)
1. A low-temperature crystallization reaction kettle for preparing ammonium perrhenate is characterized in that: the reaction kettle is characterized in that a driving motor (2) is arranged on the outer side of the top of the reaction kettle (1), the driving motor (2) is connected with a stirring shaft (3), the lower end of the stirring shaft (3) penetrates through the top of the reaction kettle and extends to the inner cavity of the reaction kettle, a stirring mechanism (4) is arranged at the bottom of the stirring shaft (3), and the stirring shaft (3) and the stirring mechanism (4) are of hollow structures and are mutually communicated;
The side wall of the reaction kettle is a cooling interlayer (5) consisting of an inner layer and an outer layer, a spiral cooling pipe (6) is spirally arranged in an inner cavity of the cooling interlayer (5), the spiral cooling pipe (6) is connected with a refrigeration device (7) positioned outside the reaction kettle through a cooling medium inlet pipe (8), and a cooling medium is conveyed to the spiral cooling pipe (6) through a conveying pump;
The refrigerating equipment (7) is also connected with a cold air conveying pipe (9), the cold air conveying pipe (9) is communicated with the top of the stirring shaft (3), and a plurality of micro ventilation holes for conveying cold air are uniformly formed in the stirring mechanism (4).
2. The low temperature crystallization reactor for preparing ammonium perrhenate according to claim 1, wherein: the stirring mechanism (4) comprises stirring blades arranged at the bottom of the stirring shaft (3).
3. The low temperature crystallization reactor for preparing ammonium perrhenate according to claim 2, wherein: the stirring mechanism (4) further comprises a stirring frame connected with the stirring shaft, and the stirring blade is positioned inside the stirring frame.
4. The low temperature crystallization reactor for preparing ammonium perrhenate according to claim 1, wherein: the inner wall of the reaction kettle is a corrosion-resistant layer.
5. The low temperature crystallization reactor for preparing ammonium perrhenate according to claim 1, wherein: the reaction kettle (1) is internally provided with a temperature sensor.
6. The low temperature crystallization reactor for preparing ammonium perrhenate according to claim 1, wherein: the top of the reaction kettle (1) is provided with a feed pipe.
7. The low temperature crystallization reactor for preparing ammonium perrhenate according to claim 1, wherein: the bottom of the reaction kettle (1) is provided with a discharge pipe.
8. The low temperature crystallization reactor for preparing ammonium perrhenate according to claim 1, wherein: the bottom of the reaction kettle (1) is also provided with a support column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322768513.4U CN221156648U (en) | 2023-10-16 | 2023-10-16 | Low-temperature crystallization reaction kettle for preparing ammonium perrhenate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322768513.4U CN221156648U (en) | 2023-10-16 | 2023-10-16 | Low-temperature crystallization reaction kettle for preparing ammonium perrhenate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221156648U true CN221156648U (en) | 2024-06-18 |
Family
ID=91533126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322768513.4U Active CN221156648U (en) | 2023-10-16 | 2023-10-16 | Low-temperature crystallization reaction kettle for preparing ammonium perrhenate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221156648U (en) |
-
2023
- 2023-10-16 CN CN202322768513.4U patent/CN221156648U/en active Active
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