CN210313531U - Hydrogen fluoride purification device - Google Patents
Hydrogen fluoride purification device Download PDFInfo
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- CN210313531U CN210313531U CN201921230725.4U CN201921230725U CN210313531U CN 210313531 U CN210313531 U CN 210313531U CN 201921230725 U CN201921230725 U CN 201921230725U CN 210313531 U CN210313531 U CN 210313531U
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- inner core
- rectifying still
- hydrogen fluoride
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- feeding
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Abstract
The utility model relates to a hydrogen fluoride production facility technical field specifically is a hydrogen fluoride purification device, including heating urceolus, rectifying still inner core, top cap and feeding device, the inner wall cover of heating urceolus is equipped with the rectifying still inner core, and the up end of rectifying still inner core has the top cap through bolted connection, and one side of top cap is equipped with feeding device, and feeding device includes charging barrel, pay-off axle, feeder hopper and closing cap, and there is the (mixing) shaft in the pivot of the agitator motor that the upper surface of top cap established through the coupling joint, and beneficial effect is: the utility model discloses a feeding motor work orders about the pay-off axle and rotates, and the guide blade that the pay-off-axial wall was established can be with potassium permanganate, inside hydrogen peroxide feeding leading-in to the rectifying still inner core, and the guide blade of pay-off-axial wall when rotating, can prevent that the inside hydrogen fluoride gas of rectifying still inner core from spilling over at reinforced in-process.
Description
Technical Field
The utility model relates to a hydrogen fluoride production facility technical field specifically is a hydrogen fluoride purification device.
Background
The process of rectifying the hydrogen fluoride comprises the steps of introducing industrial anhydrous hydrogen fluoride liquid into a rectifying still, adding potassium permanganate to enable a large amount of sulfur dioxide and arsenic trifluoride contained in the industrial anhydrous hydrogen fluoride to generate compounds which are difficult to volatilize, then adding hydrogen peroxide, stirring and heating to enable the hydrogen fluoride liquid to be gasified to generate purified hydrogen fluoride gas.
Because hydrogen fluoride and aqueous solution thereof are toxic, in the process of adding potassium permanganate and hydrogen peroxide into the rectifying still, the hydrogen fluoride is easy to overflow due to opening of a feed inlet of the rectifying still, and the working environment of a hydrogen fluoride production workshop is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydrogen fluoride purification device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a hydrogen fluoride purification device comprises a heating outer cylinder, a rectifying still inner core, a top cover and a feeding device, wherein the inner wall of the heating outer cylinder is sleeved with the rectifying still inner core, the upper port of the rectifying still inner core is connected with the top cover through a bolt, one side of the bottom of the rectifying still inner core is welded and communicated with a liquid inlet pipe, the bottom of the rectifying still inner core is welded and communicated with a liquid outlet pipe, one side of the bottom of the rectifying still inner core is welded and communicated with an air inlet pipe, the upper surface of the top cover is fixedly provided with a stirring motor through a bolt, a rotating shaft of the stirring motor downwards penetrates through the top cover, the lower end of the rotating shaft of the stirring motor is connected with a stirring shaft through a coupler, the outer wall of the stirring shaft is provided with a stirring roller, one side of the top cover is welded and communicated with an exhaust pipe, one side of the top cover is provided with the feeding, the inside of charging barrel is provided with the pay-off axle of looks axiality, and the outer wall welding of pay-off axle has the guide blade, and the one end of pay-off axle runs through out the lateral wall of charging barrel, and the one end that the pay-off axle runs through out the charging barrel lateral wall is connected with the feeding motor, and the feeding motor passes through the bolt fastening on the charging barrel, the welding of charging barrel open into the one end top of feeding motor has the feeder hopper, and the up end mouth of feeder hopper is equipped with the closing cap.
Preferably, the outer end part of the liquid inlet pipe is connected with a liquid inlet valve through a flange, the lower port of the liquid discharge pipe is connected with a liquid discharge valve through a flange, the lower end of the air inlet pipe is connected with an air inlet valve, and the outer port of the exhaust pipe is connected with an exhaust valve.
Preferably, a spiral channel-shaped heat conduction channel is formed in the side wall of the heating outer cylinder, the lower end of the heat conduction channel is communicated with a heat conduction oil inlet pipe, and the upper end of the heat conduction channel is communicated with a heat conduction oil discharge pipe.
Preferably, the material guide blades arranged on the outer wall of the feeding shaft are in a spiral blade shape, and a distance of 1-2mm is reserved between the outer edges of the material guide blades and the inner wall of the feeding shaft.
Preferably, the lower surface of the sealing cover is tightly attached to and seals the upper end opening of the feed hopper, and one side of the sealing cover is hinged to the outer wall of the upper end opening of the feed hopper.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model controls the air inlet valve connected at the port of the air inlet pipe to control the nitrogen to pass through the inner core of the rectifying still, so as to discharge the impurity air in the inner core of the rectifying still and improve the purity of the hydrogen fluoride gas;
2. the utility model discloses a feeding motor work orders about the pay-off axle and rotates, and the guide blade that the pay-off-axial wall was established can be with potassium permanganate, inside hydrogen peroxide feeding leading-in to the rectifying still inner core, and the guide blade of pay-off-axial wall when rotating, can prevent that the inside hydrogen fluoride gas of rectifying still inner core from spilling over at reinforced in-process.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front sectional view of the structure of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure: heating outer cylinder 1, rectifying still inner core 2, top cap 3, feeding device 4, feeding cylinder 5, feeding shaft 6, feeder hopper 7, closing cap 8, feed liquor pipe 9, intake pipe 10, fluid-discharge tube 11, (mixing) shaft 12, stirring roller 13, heat conduction passageway 14, heat conduction oil admission pipe 15, heat conduction oil discharge pipe 16, blast pipe 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: a hydrogen fluoride purification device comprises a heating outer cylinder 1, a rectifying still inner core 2, a top cover 3 and a feeding device 4, as shown in a combined drawing 1 and a drawing 2, wherein the bottom of the heating outer cylinder 1 is welded with supporting legs, the bottom of the supporting legs is welded with a supporting bottom plate, the rectifying still inner core 2 is sleeved on the inner wall close to the heating outer cylinder 1, the upper port of the rectifying still inner core 2 is hermetically connected with the top cover 3 through bolts, one side of the bottom of the rectifying still inner core 2 is welded and communicated with a liquid inlet pipe 9, the liquid inlet pipe 9 penetrates out along the heating outer cylinder 1, the outer end part of the liquid inlet pipe 9 is connected with a liquid inlet valve through a flange, the liquid inlet valve controls industrial anhydrous hydrogen fluoride liquid to be introduced into the rectifying still inner core 2, the bottom of the rectifying still inner core 2 is welded and communicated with a liquid outlet pipe 11, the liquid outlet pipe 11 penetrates out along the bottom of the heating outer cylinder 1, welding and intercommunication have intake pipe 10 in bottom one side of rectifying still inner core 2, intake pipe 10 runs through out along the bottom of heating urceolus 1, and the lower extreme of intake pipe 10 is connected with the admission valve, the nitrogen gas supply pipe is connected to intake pipe 10, admission valve control nitrogen gas passes through rectifying still inner core 2 inside, discharge the inside impurity air of rectifying still inner core 2, welding and intercommunication have blast pipe 17 in one side of top cap 3, the outer port of blast pipe 17 is connected with discharge valve, the purified hydrogen fluoride of discharge valve control reaction back is discharged and is collected.
Referring to fig. 2 and 3, a feeding device 4 is arranged on one side of the top cover 3, the feeding device 4 comprises a feeding cylinder 5, a feeding shaft 6, a feeding hopper 7 and a sealing cover 8, the feeding cylinder 5 is horizontally welded and communicated with the top cover 3, the feeding shaft 6 with the same axial degree is arranged inside the feeding cylinder 5, guide blades are welded on the outer wall of the feeding shaft 6, the guide blades arranged on the outer wall of the feeding shaft 6 are spiral blades, a distance of 1-2mm is reserved between the outer edge of each guide blade and the inner wall of the feeding shaft 6, one end of the feeding shaft 6 penetrates through the side wall of the feeding cylinder 5, one end of the feeding shaft 6 penetrating through the side wall of the feeding cylinder 5 is connected with a feeding motor, the feeding motor is fixed on the feeding cylinder 5 through bolts, the feeding hopper 7 is welded above one end of the feeding cylinder 5 opened into the feeding motor, the sealing cover 8 is arranged on the upper end close to the feeding hopper 7, one side of the sealing cover 8 is, advance to potassium permanganate, the reinforced in-process of hydrogen peroxide, open 8 upsets of closing cap, can follow feeder hopper 7 and add potassium permanganate or hydrogen peroxide, control feeding motor work orders about pay-off axle 6 and rotates, the guide blade that pay-off axle 6 outer wall was established can be with potassium permanganate, the reinforced leading-in 2 insides to rectifying still inner core of hydrogen peroxide when rotating, and the guide blade of pay-off axle 6 outer wall when rotating, can prevent that the gas of hydrogen fluoride inside rectifying still inner core 2 from spilling over at the charging process.
As shown in fig. 3, a stirring motor is fixed on the upper surface of the top cover 3 through a bolt, a rotating shaft of the stirring motor penetrates downwards through the top cover 3, the lower end of the rotating shaft of the stirring motor is connected with a stirring shaft 12 through a coupler, the outer wall of the stirring shaft 12 is provided with a stirring roller 13, the stirring motor is controlled to drive the stirring shaft 12 to rotate, so that the stirring roller 13 arranged on the outer wall of the stirring shaft 12 can stir and react industrial anhydrous hydrogen fluoride liquid and added potassium permanganate and hydrogen peroxide, a spiral channel-shaped heat conduction channel 14 is arranged inside the side wall of the heating outer cylinder 1, the lower end of the heat conduction channel 14 is communicated with a heat conduction oil inlet pipe 15, the upper end of the heat conduction oil channel 14 is communicated with a heat conduction oil discharge pipe 16, the heat conduction oil inlet pipe 15 is connected with a heat conduction oil inlet pipe, so, the heat-exchanged heat conduction oil is connected with a heat conduction oil return pipe through a heat conduction oil discharge pipe 16 for circulating reflux.
The working principle is as follows: the utility model discloses the during operation, admission valve through connection of control intake pipe 10 port department, make admission valve control nitrogen gas pass through rectifying still inner core 2 inside, discharge the inside impurity air of rectifying still inner core 2, feed liquor valve through connection of control feed liquor pipe 9 outer port, make industry anhydrous hydrogen fluoride liquid let in rectifying still inner core 2 inside, open 8 upsets of closing cap, can follow feeder hopper 7 and add potassium permanganate or hydrogen peroxide, control feeding motor work orders about pay-off axle 6 and rotates, the guide blade that pay-off axle 6 outer wall was established is when rotating, can be with potassium permanganate, the reinforced leading-in of hydrogen peroxide is inside rectifying still inner core 2, and the guide blade of pay-off axle 6 outer wall is when rotating, can prevent that the inside hydrogen fluoride gas of rectifying still inner core 2 from spilling over at the charging process, control agitator motor (mixing) shaft 12 rotates, make the stirring roller 13 that (mixing) 12 outer wall was established can be to industry anhydrous hydrogen fluoride liquid and add potassium permanganate The hydrogen peroxide stirs the reaction, the conduction oil access pipe is connected to 15 departments of conduction oil admission pipe, make the conduction oil enter into the inside of heat conduction passageway 14, heat rectifying still inner core 2, the reaction efficiency is improved, the conduction oil after the heat transfer is connected the conduction oil back flow through conduction oil discharge pipe 16 and is carried out circulation reflux, discharge valve through controlling 17 outer port of blast pipe and connecting, make the hydrogen fluoride gas after the purification carry out the discharge collection, through the flowing back valve that the port was established under 11 control fluid-discharge tubes, make the raffinate discharge after the reaction handle.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a hydrogen fluoride purification device, includes heating urceolus (1), rectifying still inner core (2), top cap (3) and feeding device (4), its characterized in that: hug closely the inner wall cover of heating urceolus (1) is equipped with rectifying still inner core (2), and there are top cap (3) upper port of rectifying still inner core (2) through bolted connection, bottom one side welding and the intercommunication of rectifying still inner core (2) have feed liquor pipe (9), and bottom welding and the intercommunication of rectifying still inner core (2) have fluid-discharge tube (11), and bottom one side welding and the intercommunication of rectifying still inner core (2) have intake pipe (10), and the upper surface of top cap (3) has agitator motor through bolted fixation, and agitator motor's pivot runs through top cap (3) downwards, and agitator motor's pivot lower extreme has (mixing) shaft (12) through the coupling joint, and the outer wall of (mixing) shaft (12) is equipped with stirring roller (13), one side welding and the intercommunication of top cap (3) have blast pipe (17), one side of top cap (3) is equipped with feeding device (4), feeding device (4) are including charging barrel (, Pay-off axle (6), feeder hopper (7) and closing cap (8), add feed cylinder (5) and be horizontal direction and top cap (3) welding intercommunication, the inside of adding feed cylinder (5) is provided with pay-off axle (6) of looks axiality, the outer wall welding of pay-off axle (6) has the guide blade, the lateral wall of adding feed cylinder (5) is run through to the one end of pay-off axle (6), and one end that feed cylinder (5) lateral wall was run through out in feed shaft (6) is connected with the feeding motor, the feeding motor passes through the bolt fastening on adding feed cylinder (5), the welding of the one end top of adding feed cylinder (5) into feeding motor has feeder hopper (7), and the up end mouth of feeder hopper (7) is equipped with closing cap (8).
2. A hydrogen fluoride purification apparatus according to claim 1, wherein: the outer end of the liquid inlet pipe (9) is connected with a liquid inlet valve through a flange, the lower port of the liquid discharge pipe (11) is connected with a liquid discharge valve through a flange, the lower end of the air inlet pipe (10) is connected with an air inlet valve, and the outer port of the exhaust pipe (17) is connected with an exhaust valve.
3. A hydrogen fluoride purification apparatus according to claim 1, wherein: the heating device is characterized in that a spiral channel-shaped heat conduction channel (14) is formed in the side wall of the heating outer cylinder (1), the lower end of the heat conduction channel (14) is communicated with a heat conduction oil inlet pipe (15), and the upper end of the heat conduction channel (14) is communicated with a heat conduction oil discharge pipe (16).
4. A hydrogen fluoride purification apparatus according to claim 1, wherein: the material guide blades arranged on the outer wall of the feeding shaft (6) are in a spiral blade shape, and a distance of 1-2mm is reserved between the outer edges of the material guide blades and the inner wall of the feeding shaft (6).
5. A hydrogen fluoride purification apparatus according to claim 1, wherein: the lower surface of the sealing cover (8) is tightly attached to the upper end opening of the feed hopper (7), and one side of the sealing cover (8) is hinged to the outer wall of the upper end opening of the feed hopper (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921230725.4U CN210313531U (en) | 2019-07-31 | 2019-07-31 | Hydrogen fluoride purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921230725.4U CN210313531U (en) | 2019-07-31 | 2019-07-31 | Hydrogen fluoride purification device |
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| Publication Number | Publication Date |
|---|---|
| CN210313531U true CN210313531U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921230725.4U Active CN210313531U (en) | 2019-07-31 | 2019-07-31 | Hydrogen fluoride purification device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645286A (en) * | 2020-12-22 | 2021-04-13 | 内蒙古东岳金峰氟化工有限公司 | High-efficient purification processing integrated device of hydrogen fluoride |
-
2019
- 2019-07-31 CN CN201921230725.4U patent/CN210313531U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645286A (en) * | 2020-12-22 | 2021-04-13 | 内蒙古东岳金峰氟化工有限公司 | High-efficient purification processing integrated device of hydrogen fluoride |
| CN112645286B (en) * | 2020-12-22 | 2023-10-27 | 内蒙古东岳金峰氟化工有限公司 | Hydrogen fluoride high-efficient purification processing integrated device |
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