CN220070783U - Synthetic crystallization tank - Google Patents
Synthetic crystallization tank Download PDFInfo
- Publication number
- CN220070783U CN220070783U CN202320464817.9U CN202320464817U CN220070783U CN 220070783 U CN220070783 U CN 220070783U CN 202320464817 U CN202320464817 U CN 202320464817U CN 220070783 U CN220070783 U CN 220070783U
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- China
- Prior art keywords
- jacket
- steel
- flange pipe
- welded
- groove
- Prior art date
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- 238000002425 crystallisation Methods 0.000 title claims abstract description 35
- 230000008025 crystallization Effects 0.000 title claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 54
- 239000010959 steel Substances 0.000 claims abstract description 54
- 239000004698 Polyethylene Substances 0.000 claims abstract description 16
- 229920003023 plastic Polymers 0.000 claims abstract description 16
- 239000004033 plastic Substances 0.000 claims abstract description 16
- -1 polyethylene Polymers 0.000 claims abstract description 16
- 229920000573 polyethylene Polymers 0.000 claims abstract description 16
- 239000003507 refrigerant Substances 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims description 51
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 10
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 235000011164 potassium chloride Nutrition 0.000 claims description 5
- 239000001103 potassium chloride Substances 0.000 claims description 5
- 229910052715 tantalum Inorganic materials 0.000 claims description 5
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 5
- 239000011241 protective layer Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract description 27
- 229910052700 potassium Inorganic materials 0.000 abstract description 27
- 239000011591 potassium Substances 0.000 abstract description 27
- 238000003786 synthesis reaction Methods 0.000 abstract description 11
- 230000015572 biosynthetic process Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 12
- 238000001816 cooling Methods 0.000 description 6
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 2
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- RHDUVDHGVHBHCL-UHFFFAOYSA-N niobium tantalum Chemical compound [Nb].[Ta] RHDUVDHGVHBHCL-UHFFFAOYSA-N 0.000 description 2
- 238000000967 suction filtration Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011549 crystallization solution Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- SJWFXCIHNDVPSH-UHFFFAOYSA-N octan-2-ol Chemical compound CCCCCCC(C)O SJWFXCIHNDVPSH-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model relates to a synthetic crystallization tank, which comprises a steel lining plastic tank body and a steel jacket, wherein the steel lining plastic tank body comprises a steel shell and a polyethylene lining adhered to the inner side of the steel shell, a refrigerant inlet flange pipe is welded on the outer side of the lower part of the jacket body, and a refrigerant outlet flange pipe is welded on the outer side of the upper part of the jacket body; six feeding flange pipes, an exhaust flange pipe and a rectangular observation barrel are welded on the top of the groove, and an observation barrel cover is arranged on the top of the observation barrel; the connecting flange is provided with a groove cover, and the groove cover is provided with a stirrer. The beneficial effects are that: the device can be simultaneously communicated with all raw material supply pipelines required by potassium fluocarbonate synthesis, vapor can be introduced to heat the solution to carry out synthesis reaction, and a refrigerant is introduced into a steel jacket to cool and crystallize the potassium fluotantalate solution, so that the whole process from potassium fluotantalate reaction to potassium fluotantalate crystallization is realized by the same set of equipment, the potassium fluotantalate solution does not need to be transferred between different equipment, the risk of increasing impurities in the potassium fluotantalate solution is reduced, and the occupied area of the equipment is reduced.
Description
Technical Field
The utility model relates to the field of crystallization tanks, in particular to a synthetic crystallization tank.
Background
In tantalum-niobium metallurgy, the traditional potassium fluotantalate production process generally comprises the steps of passing tantalum-niobium ore through HF-H 2 SO 4 Dissolving in HF-H 2 SO 4 Extracting and separating tantalum liquid from a sec-octanol or methyl isobutyl ketone (MIBK) system, heating in a heating tank, adding HF acid and KCl added crystallization solution, transferring into a crystallization container, naturally cooling, and forcibly cooling to complete the whole potassium fluotantalate crystallization process. And then the crystallization mother liquor is pumped out, and then potassium fluotantalate is transferred to a washing suction filtration tank for washing, suction filtration, drying and packaging.
The existing crystallization container for potassium fluotantalate production can only perform the cooling crystallization process of the solution after the potassium fluotantalate synthesis reaction, cannot meet the whole process from the potassium fluotantalate reaction to potassium fluotantalate crystallization, needs to be transferred into the crystallization tank again for cooling crystallization after the potassium fluotantalate solution is synthesized in the synthesis tank, is easy to increase impurities in the potassium fluotantalate solution, and occupies a large area of two sets of equipment of the synthesis tank and the crystallization tank.
Disclosure of Invention
The utility model aims to overcome the problems in the prior art and provide a synthetic crystallization tank.
In order to achieve the technical purpose and the technical effect, the utility model is realized by the following technical scheme:
the steel lining plastic tank body comprises a steel shell and a polyethylene lining adhered to the inner side of the steel shell, the steel shell is sequentially divided into a circular connecting flange, a conical tank top, a circular tank body, a conical tank bottom and a circular discharging pipe from top to bottom, the steel jacket is sequentially divided into a circular connecting ring, a circular jacket body and a conical jacket bottom from top to bottom, the inner side of the connecting ring is welded with the outer side of the top of the tank body, the bottom end of the jacket bottom is welded with the outer side of the top end of the discharging pipe, a lower jacket cavity with gradually increased width from bottom to top is formed between the outer side of the tank bottom and the inner side of the jacket bottom, an upper jacket cavity with the same width is formed between the outer side of the tank body and the inner side of the jacket body, the lower jacket cavity is communicated with the upper jacket cavity, a refrigerant inlet flange pipe communicated with the upper jacket cavity is welded on the outer side of the upper jacket body, and a refrigerant inlet flange pipe communicated with the upper jacket cavity is welded on the outer side of the upper jacket body; six feeding flange pipes, an exhaust flange pipe and a rectangular observation barrel are welded on the top of the groove, and an observation barrel cover is arranged on the top of the observation barrel; the connecting flange is provided with a groove cover, the groove cover is provided with a stirrer, and a stirring paddle of the stirrer stretches into the steel lining plastic groove body.
Further, the inner side surface of the steel jacket is coated with a heat-insulating coating to form a heat-insulating coating.
Six the charging flange pipes are respectively a tantalum liquid charging flange pipe, a pure water charging flange pipe, a hydrofluoric acid charging flange pipe, a potassium chloride charging flange pipe, a steam charging flange pipe and a standby charging flange pipe, and a sealing plate for plugging the standby charging flange pipe is arranged at the top end of the standby charging flange pipe.
The stirrer comprises a motor frame, a gear motor and a stirring paddle, wherein the motor frame is arranged at the top end of the groove cover, the gear motor is arranged at the top end of the motor frame, and a power output shaft of the gear motor is connected with the top of a stirring shaft of the stirring paddle through a coupler.
The stirring paddle comprises a stirring shaft, an upper stirring impeller and a lower stirring impeller, wherein the upper stirring impeller is arranged in the middle of the stirring shaft, the lower stirring impeller is arranged at the lower part of the stirring shaft, and the outer surfaces of the stirring shaft, the upper stirring impeller and the lower stirring impeller are respectively coated with a polyethylene protective layer with the thickness of 10 mm.
The shape of the polyethylene lining is designed according to the shape of the inner side surface of the steel shell, and the thickness of the polyethylene lining is 20 mm.
The beneficial effects of the utility model are as follows: the synthesis crystallization tank can be simultaneously communicated with all raw material supply pipelines required by potassium fluocarbonate synthesis, vapor can be introduced to heat the solution for synthesis reaction, and cooling crystallization of the potassium fluotantalate solution is performed by introducing a refrigerant into a steel jacket, so that the whole process from potassium fluotantalate reaction to potassium fluotantalate crystallization of the same set of equipment is realized, the potassium fluotantalate solution does not need to be transferred between different equipment, the risk of increasing impurities in the potassium fluotantalate solution is reduced, and the occupied space of the equipment is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic diagram of a synthetic crystallization tank in the present utility model;
FIG. 2 is a schematic top view of the steel lining plastic tank body and the steel jacket of the utility model after being fixedly connected;
the reference numerals in the figures illustrate: steel lining plastic tank body 1, steel jacket 2, steel shell 3, polyethylene lining 4, connecting flange 5, tank top 6, tank body 7, tank bottom 8, discharging pipe 9, connecting ring 10, jacket body 11, jacket bottom 12, lower jacket cavity 13, upper jacket cavity 14, coolant inlet flange pipe 15, coolant outlet flange pipe 16, tantalum liquid feeding flange pipe 17, pure water feeding flange pipe 18, hydrofluoric acid feeding flange pipe 19, potassium chloride feeding flange pipe 20, steam feeding flange pipe 21, standby feeding flange pipe 22, exhaust flange pipe 23, observation cylinder 24, sealing plate 25, observation cylinder cover 26, steel bracket 27, supporting block 28, fixing plate 29, tank cover 30, motor frame 31, gear motor 32, stirring shaft 33, upper stirring impeller 34, lower stirring impeller 35, polyethylene protecting layer 36, industrial steel 37 and thermometer mounting flange pipe 38.
Detailed Description
The utility model will be described in detail below with reference to the drawings in combination with embodiments.
As shown in fig. 1 and 2, a synthetic crystallization tank comprises a steel lining plastic tank body 1 and a steel jacket 2, wherein the steel lining plastic tank body 1 comprises a steel shell 3 and a polyethylene lining 4 adhered to the inner side of the steel shell 3, the shape of the polyethylene lining 4 is designed according to the shape of the inner side surface of the steel shell 3, and the thickness of the polyethylene lining 4 is 20 mm.
The steel shell 3 is sequentially divided into a circular ring-shaped connecting flange 5, a conical groove top 6, a circular ring-shaped groove body 7, a conical groove bottom 8 and a circular ring-shaped discharging pipe 9 from top to bottom, the connecting flange 5, the groove top 6, the groove body 7, the groove bottom 8 and the discharging pipe 9 are sequentially welded from top to bottom, the steel jacket 2 is sequentially divided into a circular ring-shaped connecting ring 10, a circular ring-shaped jacket body 11 and a conical jacket bottom 12 from top to bottom, the connecting ring 10, the jacket body 11 and the jacket bottom 12 are sequentially welded from top to bottom, the inner side of the connecting ring 10 is welded with the outer side of the top of the groove body 7, the bottom end of the jacket bottom 12 is welded with the outer side of the top of the discharging pipe 9, a circle of lower jacket cavity 13 with gradually increasing width from bottom to top is formed between the outer side of the groove bottom 8 and the inner side of the jacket bottom 12, an upper jacket cavity 14 with the same width is formed between the outer side of the groove body 7 and the inner side of the jacket body 11, the upper jacket cavity 14 is communicated with the lower jacket cavity 13, the outer side of the jacket 11 is welded with a refrigerant inlet flange pipe 15 communicated with the upper jacket cavity 14, and the upper jacket cavity 11 is welded with the outer side of the upper jacket cavity 16.
Six charging flange pipes, an exhaust flange pipe 23 and a rectangular observation cylinder 24 are welded on the tank top 6, the six charging flange pipes are respectively a tantalum liquid charging flange pipe 17, a pure water charging flange pipe 18, a hydrofluoric acid charging flange pipe 19, a potassium chloride charging flange pipe 20, a steam charging flange pipe 21 and a standby charging flange pipe 22, a sealing plate 25 for blocking the standby charging flange pipe 22 is arranged at the top end of the standby charging flange pipe 22, an observation cylinder cover 26 is arranged at the top of the observation cylinder 24, a ring-shaped downward convex clamping ring is arranged at the bottom of the observation cylinder cover 26, and the clamping ring is clamped in a cylinder opening at the top of the observation cylinder 24.
Four steel corbels 27 arranged in an annular array are welded on the outer side of the upper part of the steel jacket 2 so as to facilitate the installation of the synthetic crystallization tank. The heat insulation coating is coated on the inner side surface of the steel jacket 2 to form a heat insulation coating, so that heat exchange between the refrigerant in the steel jacket 2 and the outside of the steel jacket is reduced.
And a plurality of diamond-shaped supporting blocks 28 are welded on the outer side of the tank bottom 8, and the bottom surfaces of the supporting blocks 28 are supported on the jacket bottom 12, so that the stability of the steel lining plastic tank body 1 in the steel jacket is improved.
The juncture of the tank body 7 and the tank bottom 8 is fixedly connected with a fixing plate 29, the fixing plate 29 is provided with a hollowed-out hole penetrating through the fixing plate 29, and the fixing plate 29 is positioned right below the observation tank 24 to provide a supporting point for workers entering the steel lining plastic tank body 1, so that the workers can conveniently enter the steel lining plastic tank body 1 from the observation tank 24 for cleaning and overhauling. One side of the tank body 7 is also welded with a thermometer mounting flange pipe 38 for mounting a thermometer, the thermometer is mounted on the thermometer mounting flange pipe, and a sensing head of the thermometer extends into the steel lining plastic tank body 1, so that the temperature of the solution in the steel lining plastic tank body 1 is monitored by the thermometer.
The connecting flange 5 is provided with a groove cover 30, the groove cover 30 is provided with a stirrer, and a stirring paddle of the stirrer stretches into the steel lining plastic groove body 1. Specifically, the stirrer comprises a motor frame 31, a gear motor 32 and a stirring paddle, wherein the motor frame 31 is arranged at the top end of a groove cover 30, the gear motor 32 is arranged at the top end of the motor frame 31, a power output shaft of the gear motor 32 is connected with the top of a stirring shaft of the stirring paddle through a coupler, the stirring paddle comprises a stirring shaft 33, an upper stirring impeller 34 and a lower stirring impeller 35, the upper stirring impeller 34 is arranged in the middle of the stirring shaft 33, the lower stirring impeller 35 is arranged at the lower part of the stirring shaft 33, the outer surfaces of the stirring shaft 33, the upper stirring impeller 34 and the lower stirring impeller 35 are respectively coated with a polyethylene protective layer 36 with the thickness of 10 mm, and the polyethylene protective layer 36 prevents the stirring shaft 33, the upper stirring impeller 34 and the lower stirring impeller 35 from being corroded. In addition, an I-shaped steel 37 for increasing the supporting strength of the groove top is welded between the connecting flange and the groove top.
The synthesis crystallization tank can be simultaneously communicated with all raw material supply pipelines required by potassium fluocarbonate synthesis, vapor can be introduced to heat the solution for synthesis reaction, and cooling crystallization of the potassium fluotantalate solution is performed by introducing a refrigerant into a steel jacket, so that the whole process from potassium fluotantalate reaction to potassium fluotantalate crystallization of the same set of equipment is realized, the potassium fluotantalate solution does not need to be transferred between different equipment, the risk of increasing impurities in the potassium fluotantalate solution is reduced, and the occupied space of the equipment is reduced.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (10)
1. A synthetic crystallization tank is characterized in that: the steel lining plastic tank body comprises a steel shell and a polyethylene lining adhered to the inner side of the steel shell, the steel shell is sequentially divided into a circular connecting flange, a conical groove top, a circular groove body, a conical groove bottom and a circular discharging pipe from top to bottom, the steel jacket is sequentially divided into a circular connecting ring, a circular jacket body and a conical jacket bottom from top to bottom, the inner side of the connecting ring is welded with the outer side of the top of the groove body, the bottom end of the jacket bottom is welded with the outer side of the top end of the discharging pipe, a circle of lower jacket cavity with gradually increased width from bottom to top is formed between the outer side of the groove bottom and the inner side of the jacket bottom, an upper jacket cavity with the same width is formed between the outer side of the groove body and the inner side of the jacket body, the lower jacket cavity is communicated with the upper jacket cavity, the outer side of the lower part of the jacket body is welded with a refrigerant inlet flange pipe communicated with the upper jacket cavity, and the outer side of the upper part of the jacket body is welded with an outlet flange pipe communicated with the upper jacket cavity; six feeding flange pipes, an exhaust flange pipe and a rectangular observation barrel are welded on the top of the groove, and an observation barrel cover is arranged on the top of the observation barrel; the connecting flange is provided with a groove cover, the groove cover is provided with a stirrer, and a stirring paddle of the stirrer stretches into the steel lining plastic groove body.
2. The synthetic crystallization tank according to claim 1, wherein: and the inner side surface of the steel jacket is coated with heat-insulating paint to form a heat-insulating coating.
3. The synthetic crystallization tank according to claim 1, wherein: the six charging flange pipes are respectively a tantalum liquid charging flange pipe, a pure water charging flange pipe, a hydrofluoric acid charging flange pipe, a potassium chloride charging flange pipe, a steam charging flange pipe and a standby charging flange pipe, and a sealing plate for blocking the standby charging flange pipe is arranged at the top end of the standby charging flange pipe.
4. The synthetic crystallization tank according to claim 1, wherein: and a plurality of diamond-shaped supporting blocks are welded on the outer side of the tank bottom, and the bottom surfaces of the supporting blocks are supported on the jacket bottom.
5. The synthetic crystallization tank according to claim 1, wherein: the juncture of the tank body and the tank bottom is fixedly connected with a fixed plate, the fixed plate is provided with a hollowed-out hole penetrating through the fixed plate, and the fixed plate is positioned under the observation tank.
6. The synthetic crystallization tank according to claim 1, wherein: four steel corbels distributed according to an annular array are welded on the outer side of the upper part of the steel jacket.
7. The synthetic crystallization tank according to claim 1, wherein: the stirrer comprises a motor frame, a gear motor and a stirring paddle, wherein the motor frame is arranged at the top end of the groove cover, the gear motor is arranged at the top end of the motor frame, and a power output shaft of the gear motor is connected with the top of a stirring shaft of the stirring paddle through a coupler.
8. The synthetic crystallization tank according to claim 7, wherein: the stirring paddle comprises a stirring shaft, an upper stirring impeller and a lower stirring impeller, the upper stirring impeller is arranged in the middle of the stirring shaft, the lower stirring impeller is arranged at the lower part of the stirring shaft, and the outer surfaces of the stirring shaft, the upper stirring impeller and the lower stirring impeller are respectively coated with a polyethylene protective layer with the thickness of 10 mm.
9. The synthetic crystallization tank according to claim 1, wherein: the shape of the polyethylene lining is designed according to the shape following the inner side surface of the steel shell, and the thickness of the polyethylene lining is 20 mm.
10. The synthetic crystallization tank according to claim 1, wherein: one side of the tank body is also welded with a thermometer mounting flange pipe for mounting a thermometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320464817.9U CN220070783U (en) | 2023-03-10 | 2023-03-10 | Synthetic crystallization tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320464817.9U CN220070783U (en) | 2023-03-10 | 2023-03-10 | Synthetic crystallization tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220070783U true CN220070783U (en) | 2023-11-24 |
Family
ID=88816864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320464817.9U Active CN220070783U (en) | 2023-03-10 | 2023-03-10 | Synthetic crystallization tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220070783U (en) |
-
2023
- 2023-03-10 CN CN202320464817.9U patent/CN220070783U/en active Active
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