CN211470776U - Hydrogen fluoride gas dust removal structure of rotary furnace for preparing hydrogen fluoride - Google Patents
Hydrogen fluoride gas dust removal structure of rotary furnace for preparing hydrogen fluoride Download PDFInfo
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- CN211470776U CN211470776U CN202020155300.8U CN202020155300U CN211470776U CN 211470776 U CN211470776 U CN 211470776U CN 202020155300 U CN202020155300 U CN 202020155300U CN 211470776 U CN211470776 U CN 211470776U
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- hydrogen fluoride
- cavity
- fluoride gas
- rotary furnace
- dust removal
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Abstract
The utility model provides a hydrogen fluoride gas dust removal structure of rotary furnace for preparing hydrogen fluoride, relates to a dust collector, rotary seal connects with closing cap (12) in the one end of rotary furnace (14), be equipped with mixed acid inlet pipe (11) that link up cavity A (5) and cavity B (13) between the central point of closing cap (12) and the bottom of mixing acid groove (4), be equipped with hemisphere apron (6) in cavity A (5) bottom, be equipped with a plurality of bleeder vents (7) at the interval on hemisphere apron (6), be equipped with between the upper portion of mixing acid groove (4) bottom surface and closing cap (12) that link up cavity A (5) and cavity B (13) connecting pipe (9), the utility model discloses a hydrogen fluoride gas that will turn over the reaction of the rotary furnace generates utilizes the aspiration pump suction of hydrogen fluoride gas in mixing acid groove to utilize hemisphere apron to block, make the impurity that the hydrogen fluoride gas carried absorbed by mixed acid, the purpose of improving the conversion rate of the hydrogen fluoride gas is achieved.
Description
Technical Field
The utility model relates to a dust collector especially relates to a hydrogen fluoride gas dust removal structure of rotary furnace for preparing hydrogen fluoride.
Background
Hydrogen fluoride is a colorless gas; at 80 ℃ or lower, the molecules are associated with each other by hydrogen bonds to form an association (HF) n. Liquid hydrogen fluoride has a high dielectric constant and is an excellent solvent for dissolving many inorganic and organic compounds. Is an important industrial chemical product! In order to ensure that the hydrogen fluoride gas does not leak in the process of preparing the hydrogen fluoride, negative pressure operation is generally adopted, namely a method of using an air suction pump to pull the hydrogen fluoride gas in the reaction furnace through an air guide pipe arranged on a rotary furnace sealing cover. Because the extracted hydrogen fluoride gas also contains a plurality of fluorite powder particles and water vapor which are not completely reacted, the burden of the next procedure is increased and resources are wasted when the mixed gas containing impurities is directly fed into the next procedure, and if the impurities can be recycled in the rotary furnace, the conversion rate of the hydrogen fluoride gas can be effectively improved.
Disclosure of Invention
In order to overcome not enough in the background art, the utility model discloses a hydrogen fluoride gas dust removal structure of rotary furnace for preparation hydrogen fluoride utilizes the aspiration pump suction to mix the acid tank through the hydrogen fluoride gas that generates the rotary furnace reaction to utilize the hemisphere apron to block, the impurity that makes hydrogen fluoride gas carry is absorbed by mixed acid, has played the purpose that improves hydrogen fluoride gas conversion rate.
In order to realize the purpose, the utility model adopts the following technical scheme:
the utility model provides a hydrogen fluoride gas dust removal structure of rotary furnace for preparation hydrogen fluoride, including rotary furnace and mixed acid groove, be equipped with cavity A in mixing acid groove, be equipped with cavity B in rotary furnace, there is the closing cap in rotary furnace's one end rotary seal, be equipped with the mixed acid inlet pipe that link up cavity A and cavity B between the central point of closing cap and the bottom of mixing acid groove, be equipped with the hemisphere apron in cavity A bottom, the interval is equipped with a plurality of bleeder vents on the hemisphere apron, be equipped with the connecting gas pipe that link up cavity A and cavity B between the mixed acid groove bottom surface that lies in hemisphere apron below and the upper portion of closing cap, be equipped with the aspiration pump on connecting the gas pipe.
The hydrogen fluoride gas dust removal structure of the rotary furnace for preparing hydrogen fluoride is characterized in that a 98% acid feeding pipe and a 105% acid feeding pipe are respectively arranged on the side wall of the acid mixing groove.
The hydrogen fluoride gas dust removal structure of the rotary furnace for preparing hydrogen fluoride is characterized in that the top of the acid mixing tank is provided with an air outlet pipe.
The hydrogen fluoride gas dust removal structure of the rotary furnace for preparing hydrogen fluoride is characterized in that a support column is arranged between the hemispherical cover plate and the bottom surface of the acid mixing tank.
The hydrogen fluoride gas dust removal structure of the rotary furnace for preparing hydrogen fluoride is characterized in that a power line is arranged on the air suction pump, and a plug is arranged at the end part of the power line.
The hydrogen fluoride gas dust removal structure of the rotary furnace for preparing hydrogen fluoride is also provided with a fluorite powder feed inlet on the sealing cover.
Since the technical scheme is used, the utility model discloses following beneficial effect has:
the hydrogen fluoride gas dust removal structure of the rotary furnace for preparing the hydrogen fluoride, which is disclosed by the utility model, sucks the hydrogen fluoride gas generated by the reaction of the rotary furnace into the acid mixing groove by using the air suction pump and blocks the hydrogen fluoride gas by using the hemispherical cover plate, so that impurities carried by the hydrogen fluoride gas are absorbed by the mixed acid, and the purpose of improving the conversion rate of the hydrogen fluoride gas is achieved; the utility model relates to a rationally, the practicality is strong, and energy saving and consumption reduction is showing.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. feeding and screwing; 2. an air outlet; 3. 105% acid feed tube; 4. an acid mixing tank; 5. a cavity A; 6. a hemispherical cover plate; 7. air holes are formed; 8. a pillar; 9. connecting an air pipe; 10. an air pump; 11. a mixed acid feed pipe; 12. sealing the cover; 13. a cavity B; 14. a rotary kiln; 15. a fluorite powder feeding port.
Detailed Description
The present invention will be explained in more detail by the following examples, which are not intended to limit the invention, and the purpose of disclosing the invention is to protect all the changes and improvements that come within the scope of the invention;
the dedusting structure of hydrogen fluoride gas of a rotary kiln for preparing hydrogen fluoride, which is described by combining with the attached figure 1, comprises a rotary kiln 14 and an acid mixing tank 4, a cavity A5 is arranged in the acid mixing tank 4, a 98% acid feeding pipe 2 and a 105% acid feeding pipe 3 are respectively arranged on the side wall of the acid mixing tank 4, an air outlet pipe 1 is arranged at the top of the acid mixing tank 4, a cavity B13 is arranged in the rotary kiln 14, a sealing cover 12 is connected with one end of the rotary kiln 14 in a rotating and sealing manner, a mixed acid feeding pipe 11 which penetrates through a cavity A5 and a cavity B13 is arranged between the central part of the sealing cover 12 and the bottom of the acid mixing tank 4, a hemispherical cover plate 6 is arranged at the bottom of the cavity A5, a plurality of air holes 7 are arranged on the hemispherical cover plate 6 at intervals, a connecting air pipe 9 which penetrates through the cavity A5 and the cavity B13 is arranged between the bottom of the acid mixing tank 4 and the upper part, the air pump 10 is provided with a power line, the end part of the power line is provided with a plug, a support column 8 is arranged between the hemispherical cover plate 6 and the bottom surface of the acid mixing groove 4, and the sealing cover 12 is also provided with a fluorite powder feed inlet 15.
Implement the hydrogen fluoride gas dust removal structure of preparation rotary furnace for hydrogen fluoride, during the use, start rotary furnace 14, be equipped with the power cord on air pump 10 and utilize the plug switch on that power cord tip was equipped with, open 98% sour inlet pipe 2 and 105% sour inlet pipe 3, make and mix the sour inslot of injection mixed acid 4, when the liquid level reached to cover half spherical apron 6 when keeping the liquid level the circumstances of keeping liquid level begin to inject mixed acid into rotary furnace 14 through mixed acid inlet pipe 11, and input fluorite powder in rotary furnace 14, make fluorite powder and mixed acid react, the hydrogen fluoride gas that the reaction generated is followed the hemisphere apron 6 bottom that connecting pipe 9 suction mixed acid inslot 4 was equipped with by air pump 10, and discharge the top that gets into cavity A5 through bleeder vent 7, the setting up of hemisphere apron 6 has increased the contact time of hydrogen fluoride gas and mixed acid, make the impurity that the hydrogen fluoride gas contains absorb by mixed acid more easily, the hydrogen fluoride gas collected at the top of the chamber A5 is discharged from the outlet pipe 1 to enter the next working procedure.
The part of the utility model not detailed is prior art.
Claims (6)
1. The utility model provides a hydrogen fluoride gas dust removal structure of rotary furnace for preparing hydrogen fluoride which characterized by: including rotary kiln (14) and acid mixing groove (4), be equipped with cavity A (5) in acid mixing groove (4), be equipped with cavity B (13) in rotary kiln (14), one end rotary seal at rotary kiln (14) is connected with closing cap (12), be equipped with mixed acid inlet pipe (11) of lining up cavity A (5) and cavity B (13) between the central point of closing cap (12) and the bottom of acid mixing groove (4), be equipped with hemisphere apron (6) in cavity A (5) bottom, the interval is equipped with a plurality of bleeder vents (7) on hemisphere apron (6), be equipped with between the upper portion of acid mixing groove (4) bottom surface and closing cap (12) that lie in hemisphere apron (6) below and link up trachea (9) of cavity A (5) and cavity B (13), be equipped with aspiration pump (10) on linking trachea (9).
2. The hydrogen fluoride gas dust removal structure of the rotary furnace for hydrogen fluoride production according to claim 1, wherein: the side wall of the acid mixing groove (4) is respectively provided with a 98 percent acid feeding pipe (2) and a 105 percent acid feeding pipe (3).
3. The hydrogen fluoride gas dust removal structure of the rotary furnace for hydrogen fluoride production according to claim 1, wherein: an air outlet pipe (1) is arranged at the top of the acid mixing tank (4).
4. The hydrogen fluoride gas dust removal structure of the rotary furnace for hydrogen fluoride production according to claim 1, wherein: a support column (8) is arranged between the hemispherical cover plate (6) and the bottom surface of the acid mixing groove (4).
5. The hydrogen fluoride gas dust removal structure of the rotary furnace for hydrogen fluoride production according to claim 1, wherein: the air pump (10) is provided with a power line, and the end part of the power line is provided with a plug.
6. The hydrogen fluoride gas dust removal structure of the rotary furnace for hydrogen fluoride production according to claim 1, wherein: a fluorite powder inlet (15) is also arranged on the sealing cover (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020155300.8U CN211470776U (en) | 2020-02-07 | 2020-02-07 | Hydrogen fluoride gas dust removal structure of rotary furnace for preparing hydrogen fluoride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020155300.8U CN211470776U (en) | 2020-02-07 | 2020-02-07 | Hydrogen fluoride gas dust removal structure of rotary furnace for preparing hydrogen fluoride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211470776U true CN211470776U (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020155300.8U Active CN211470776U (en) | 2020-02-07 | 2020-02-07 | Hydrogen fluoride gas dust removal structure of rotary furnace for preparing hydrogen fluoride |
Country Status (1)
| Country | Link |
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| CN (1) | CN211470776U (en) |
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2020
- 2020-02-07 CN CN202020155300.8U patent/CN211470776U/en active Active
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