CN220370449U - Rectifying device for preparing electronic grade hydrofluoric acid from waste hydrofluoric acid - Google Patents
Rectifying device for preparing electronic grade hydrofluoric acid from waste hydrofluoric acid Download PDFInfo
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- CN220370449U CN220370449U CN202321837089.8U CN202321837089U CN220370449U CN 220370449 U CN220370449 U CN 220370449U CN 202321837089 U CN202321837089 U CN 202321837089U CN 220370449 U CN220370449 U CN 220370449U
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- China
- Prior art keywords
- hydrofluoric acid
- heating furnace
- sleeve
- heating
- kettle body
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- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title claims abstract description 113
- 239000002699 waste material Substances 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 94
- 238000009413 insulation Methods 0.000 claims abstract description 6
- 238000002360 preparation method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000004321 preservation Methods 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000010306 acid treatment Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model relates to the technical field of rectification, in particular to a rectification device for preparing electronic grade hydrofluoric acid from waste hydrofluoric acid, which comprises a sleeve arranged on a rectification body, wherein a heating furnace is movably sleeved in the sleeve, a driving component for driving the heating furnace is arranged on the sleeve, a kettle body corresponding to the heating furnace is arranged on the sleeve, a rectification pipe for preparing hydrofluoric acid is arranged on the kettle body, and the bottom of the heating furnace is integrally connected with a heat insulation plate connected with the kettle body. According to the utility model, when the gear pulls the rack through the driving of the motor, the heating furnace is driven to rotate in the sleeve, and when the heating furnace rotates, the internal heat energy can comprehensively heat the kettle body from the bottom and the side surfaces; the temperature of the heating furnace can be kept warm through the heat preservation layer, and the heating plate is arranged to be of an arc structure matched with the heating furnace, so that hydrofluoric acid in the kettle body is heated uniformly when the heating furnace heats the kettle body, and the efficiency of rectifying the hydrofluoric acid is improved.
Description
Technical Field
The utility model relates to the technical field of rectification, in particular to a rectification device for preparing electronic grade hydrofluoric acid from waste hydrofluoric acid.
Background
Hydrofluoric acid is an aqueous solution of hydrogen fluoride gas, a clear, colorless, fuming, corrosive liquid, and has a severe pungent odor.
According to the rectifying device for preparing electronic grade hydrofluoric acid from waste hydrofluoric acid disclosed by publication No. CN218491513U, the rectifying device comprises a body bracket and a plurality of connecting pipes, a vaporizing device is arranged on the body bracket, the upper end of the vaporizing device is connected with an inlet of the rectifying device, and a condensing device is connected at an outlet at the top of the rectifying device; the condensing device is a columnar barrel body made of tetrafluoro material, and a vacuum removing device is connected to a first air outlet at the upper part of one side of the barrel body; a plurality of gas feeding pipes are connected to the side wall of the barrel body at the middle lower part of the other side opposite to the first gas outlet. Compared with the existing process of adding quicklime or other alkali for neutralization and the like, the method has low production cost, solves the problem of low-concentration hydrofluoric acid treatment in the industry, and can discharge distilled water to a sewage treatment plant for treatment after reaching the standard, thereby saving energy and reducing consumption. However, the above document is that the temperature of the graphite tower kettle is raised by the oil bath pot, and the structure type of the oil bath pot is a concave structure according to the attached drawing of the document, so that the heating pipe in the oil bath pot is positioned at the bottom of the oil bath pot, the hydrofluoric acid at the bottom of the oil bath pot is heated firstly when the graphite tower kettle is heated, and the hydrofluoric acid at the upper part is difficult to realize synchronous temperature rise, so that the hydrofluoric acid in the graphite tower kettle is heated unevenly, and the rectification efficiency of the hydrofluoric acid is affected.
Disclosure of Invention
The utility model aims to solve the problem of low rectification speed of hydrofluoric acid caused by uneven heating of a graphite tower kettle in the prior art, and provides a rectification device for preparing electronic-grade hydrofluoric acid from waste hydrofluoric acid.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a rectifying device by useless hydrofluoric acid preparation electron level hydrofluoric acid, includes the sleeve that is located the rectification body, movable sleeve is equipped with the heating furnace in the sleeve, and installs on the sleeve and be used for the drive assembly to the heating furnace drive, place the cauldron body corresponding with the heating furnace on the sleeve, and install the rectifier tube that is used for the hydrofluoric acid preparation on the cauldron body, heating furnace bottom integrated into one piece has the heat insulating board of being connected with the cauldron body, and the heating plate that the symmetry set up of fixed mounting in the heating furnace, fixed mounting has the heating pipe that is used for the intensification to the cauldron body on the heating plate.
Preferably, the driving assembly comprises a motor fixedly mounted on the sleeve, the output end of the motor is fixedly connected with a rotating shaft, a gear is fixedly mounted on the rotating shaft, and a rack in meshed connection with the gear is embedded on the heating furnace.
Preferably, the rotating shaft is vertically arranged at one side of the heating furnace, and the sleeve and the heating furnace are of circular structures with top openings.
Preferably, the heat insulating plate is horizontally arranged at the lower position of the kettle body, and the heating plate is of an arc structure matched with the heating furnace.
Preferably, the heating pipe is of an S-shaped structure, and an insulating layer for insulating heat is embedded in the inner wall of the heating furnace.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, when the gear is driven by the motor to pull the rack, the heating furnace is driven to rotate in the sleeve, and when the heating furnace rotates, the internal heat energy can comprehensively heat the kettle body from the bottom and the side surface, so that the whole kettle body is heated uniformly.
2. According to the utility model, the temperature of the heating furnace can be kept by the heat-insulating layer, the heat-insulating plate can realize the heat-insulating effect on the bottom of the kettle body, and the heating plate is of an arc structure matched with the heating furnace, so that hydrofluoric acid in the kettle body is heated uniformly by the heating furnace when the kettle body is heated, and the efficiency of rectifying the hydrofluoric acid is improved.
Drawings
FIG. 1 is a schematic diagram of a rectifying device for preparing electronic grade hydrofluoric acid from waste hydrofluoric acid;
FIG. 2 is a cross-sectional view of a cartridge of a rectifying apparatus for preparing electronic grade hydrofluoric acid from waste hydrofluoric acid according to the present utility model;
FIG. 3 is a cross-sectional view of a rectifying device for preparing electronic grade hydrofluoric acid from waste hydrofluoric acid according to the present utility model;
fig. 4 is a side view of a heating plate of a rectifying device for preparing electronic grade hydrofluoric acid from waste hydrofluoric acid.
In the figure: 1. a sleeve; 2. a heating furnace; 3. a kettle body; 4. a rectifying tube; 5. a motor; 6. a rotating shaft; 7. a gear; 8. a rack; 9. a heat insulating plate; 10. a heating plate; 11. heating pipes; 12. and a heat preservation layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1 to 4, a rectifying device for preparing electronic grade hydrofluoric acid from waste hydrofluoric acid comprises a sleeve (not shown in the diagram of the rectifying body) positioned on the rectifying body, a heating furnace 2 is movably sleeved in the sleeve 1, and a driving component for driving the heating furnace 2 is arranged on the sleeve 1, and it is to be noted that rectifying equipment can rectify the hydrofluoric acid to prepare the electronic grade hydrofluoric acid in the prior art;
the driving assembly comprises a motor 5 fixedly arranged on the sleeve 1, the model of the motor 5 is YBS-22, the output end of the motor 5 is fixedly connected with a rotating shaft 6, a gear 7 is fixedly arranged on the rotating shaft 6, a rack 8 in meshed connection with the gear 7 is embedded on the heating furnace 2, the rack 8 is pulled by the gear 7 through the driving of the motor 5, the heating furnace 2 can be driven to rotate in the sleeve 1 by the rack 8, and the heating furnace 2 can not be driven to rotate during operation because the kettle 3 is erected on the sleeve 1;
the rotary shaft 6 is vertically arranged at one side of the heating furnace 2, the sleeve 1 and the heating furnace 2 are of circular structures with openings at the tops, the kettle body 3 corresponding to the heating furnace 2 is arranged on the sleeve 1, the rectifying tube 4 for preparing hydrofluoric acid is arranged on the kettle body 3, and the generated liquid can be transmitted through the rectifying tube 4;
the bottom of the heating furnace 2 is integrally connected with a heat insulation plate 9 connected with the kettle body 3, heating plates 10 which are symmetrically arranged are fixedly arranged in the heating furnace 2, the heat insulation plate 9 is horizontally arranged at the position below the kettle body 3, and the heating plates 10 can be opened and closed by external equipment to be the prior art, and the temperature of oil in the heating pipes 11 is increased along with the starting of the heating plates 10;
the heating plate 10 is of an arc structure matched with the heating furnace 2, the heating pipe 11 for heating the kettle body 3 is fixedly arranged on the heating plate 10, the heating pipe 11 is of an S-shaped structure, and the heating pipe 11 is of an S-shaped structure by arranging the heating plate 10 into an arc structure matched with the heating furnace 2, so that the temperature generated in the heating pipe 11 can be quickly transmitted into the kettle body 3;
the heat preservation layer 12 used for preserving heat is embedded in the inner wall of the heating furnace 2, the heat preservation layer 12 achieves the heat preservation effect, excessive loss of heat energy can be avoided, as shown in an attached drawing 3 of the specification, a heating plate 10 and a heating pipe 11 corresponding to the heat insulation plate 9 are also arranged at the bottom of the heating furnace 2, when the heating furnace 2 rotates, the heating pipe 11 inside can comprehensively heat hydrofluoric acid in the kettle body 3 in the rotating process, the phenomenon that the rectification efficiency is poor due to uneven heating of the hydrofluoric acid can be avoided, and therefore the efficiency of preparing the hydrofluoric acid is effectively improved.
The utility model can explain its functional principle by the following modes of operation:
when the hydrofluoric acid needs to be rectified by using rectifying equipment;
starting the heating furnace 2, and heating the oil in the heating pipe 11 by the heating plate 10 in the heating furnace 2 under the drive of an external power supply;
when the oil temperature rises, heat energy in the heating furnace 2 is transmitted to the kettle body 3 through the heat insulation plate 9 and the heating plate 10, so that the temperature of hydrofluoric acid in the kettle body 3 rises and is transmitted to rectifying equipment through the rectifying pipe 4 for continuous processing;
simultaneously, motor 5 output drives pivot 6 rotation, makes pivot 6 pull rack 8 through the gear 7 of meshing connection, makes rack 8 drive heating furnace 2 and rotates, and cauldron body 3 erect on sleeve 1, so make heating furnace 2 can drive both sides and bottom heating pipe 11 to heat up to cauldron body 3 comprehensively when rotatory.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The utility model provides a rectifying device by useless hydrofluoric acid preparation electron level hydrofluoric acid, includes sleeve (1) that is located the rectification body, its characterized in that, sleeve (1) internal activity cover is equipped with heating furnace (2), and installs on sleeve (1) and be used for to heating furnace (2) driven drive assembly, place on sleeve (1) with heating furnace (2) corresponding cauldron body (3), and install on cauldron body (3) and be used for rectifying tube (4) to the hydrofluoric acid preparation, heating furnace (2) bottom an organic whole is connected with heat insulating board (9) that are connected with cauldron body (3), and heating plate (10) that the symmetry set up are fixed mounting in heating furnace (2), fixed mounting has heating pipe (11) that are used for the heating up to cauldron body (3) on heating plate (10).
2. The rectifying device for preparing electronic grade hydrofluoric acid from waste hydrofluoric acid according to claim 1, wherein the driving assembly comprises a motor (5) fixedly installed on a sleeve (1), the output end of the motor (5) is fixedly connected with a rotating shaft (6), a gear (7) is fixedly installed on the rotating shaft (6), and a rack (8) meshed with the gear (7) is embedded on the heating furnace (2).
3. The rectifying device for preparing electronic grade hydrofluoric acid from waste hydrofluoric acid according to claim 2, wherein the rotating shaft (6) is vertically arranged at one side of the heating furnace (2), and the sleeve (1) and the heating furnace (2) are of circular structures with open tops.
4. The rectifying device for preparing electronic grade hydrofluoric acid from waste hydrofluoric acid according to claim 1, wherein the heat insulation plate (9) is horizontally arranged below the kettle body (3), and the heating plate (10) is of an arc structure matched with the heating furnace (2).
5. The rectifying device for preparing electronic grade hydrofluoric acid from waste hydrofluoric acid according to claim 1, wherein the heating pipe (11) is of an S-shaped structure, and an insulating layer (12) for insulating heat is embedded in the inner wall of the heating furnace (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321837089.8U CN220370449U (en) | 2023-07-13 | 2023-07-13 | Rectifying device for preparing electronic grade hydrofluoric acid from waste hydrofluoric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321837089.8U CN220370449U (en) | 2023-07-13 | 2023-07-13 | Rectifying device for preparing electronic grade hydrofluoric acid from waste hydrofluoric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220370449U true CN220370449U (en) | 2024-01-23 |
Family
ID=89571992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321837089.8U Active CN220370449U (en) | 2023-07-13 | 2023-07-13 | Rectifying device for preparing electronic grade hydrofluoric acid from waste hydrofluoric acid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220370449U (en) |
-
2023
- 2023-07-13 CN CN202321837089.8U patent/CN220370449U/en active Active
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