CN210505560U - Reagent-grade hydrofluoric acid production device - Google Patents
Reagent-grade hydrofluoric acid production device Download PDFInfo
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- CN210505560U CN210505560U CN201921482277.7U CN201921482277U CN210505560U CN 210505560 U CN210505560 U CN 210505560U CN 201921482277 U CN201921482277 U CN 201921482277U CN 210505560 U CN210505560 U CN 210505560U
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Abstract
The utility model discloses a reagent level hydrofluoric acid apparatus for producing belongs to hydrofluoric acid production field, its technical scheme main points are, which comprises a housing, insulation can and concentrated sulfuric acid filling tube, the internally mounted of casing has inner bag and gas heating device, top fixed mounting has first motor, the inner bag is located gas heating device directly over, the inside of inner bag is provided with the stirring subassembly, the stirring subassembly is including the transfer line, a plurality of frame and a plurality of stirring piece of scraping, the top of transfer line vertical run through the casing and with the power take off end fixed connection of first motor, the bottom is rotated and is connected on the bottom surface of inner bag, a plurality of frame and a plurality of stirring piece of scraping are all fixed at the outer wall of transfer line, evenly arrange in the axle center of going around the transfer line. This kind of reagent level hydrofluoric acid apparatus for producing can avoid the raw materials to glue the appearance of wall phenomenon, has reduced the waste of raw materials to can carry out fine reuse to the heat that gives out in the preparation process.
Description
Technical Field
The utility model relates to a hydrofluoric acid production field specifically is a reagent level hydrofluoric acid apparatus for producing.
Background
Hydrofluoric acid is an important reagent in industrial production, can be used for etching glass and can be used for carving patterns and marking scales and characters; it is used by the semiconductor industry to remove oxides from silicon surfaces, it can be used as a catalyst in the alkylation of isobutane with n-butenes in refineries, and hydrofluoric acid is also used in "pickling" processes to remove oxygen-containing impurities from stainless steel surfaces. In some more severe industrial production, the reagent grade hydrofluoric acid with higher purity is required, and the reagent grade hydrofluoric acid also has higher requirements in the production process.
Often mix-heating fluorite and concentrated sulfuric acid to 700 ℃ in reation kettle and prepare hydrofluoric acid among the current industrial production, but in the preparation process, the raw materials appears easily and glues the wall phenomenon, causes the fluorite of participation in the reaction and the volume of concentrated sulfuric acid not accurate enough to the reaction is not abundant enough, causes the waste of raw materials, and the heat that gives out in the preparation process is wasted by vain, can not carry out fine reuse.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device is sieved to tealeaves residue, this kind of reagent hydrofluoric acid apparatus for producing can avoid the raw materials to glue the appearance of wall phenomenon, has reduced the waste of raw materials to can carry out fine reuse to the heat that gives out in the preparation process.
The above technical purpose of the present invention can be achieved by the following technical solutions: a reagent-grade hydrofluoric acid production device comprises a machine shell, an insulation can and a concentrated sulfuric acid injection pipe, wherein an inner container and a gas heating device are installed inside the machine shell, a first motor is fixedly installed at the top of the machine shell, the inner container is located right above the gas heating device, a stirring assembly is arranged inside the inner container, the stirring assembly comprises a transmission rod, a plurality of scraping frames and a plurality of stirring sheets, the top of the transmission rod vertically penetrates through the machine shell and is fixedly connected with a power output end of the first motor, the bottom of the transmission rod is rotatably connected to the bottom surface of the inner container, the scraping frames and the stirring sheets are all fixed on the outer wall of the transmission rod and are evenly distributed around the axis of the transmission rod, and the outer side wall of the scraping frame is tightly attached to the inner wall of the inner container; the insulation can is fixedly arranged on the upper part of the outer wall of the right side of the shell, a feeding pipe and a hydrofluoric acid collecting pipe which are tightly attached are transversely arranged in the insulation can, a second motor is fixedly arranged on the outer wall of the right side of the insulation can, the left end of the feeding pipe is of an open structure and penetrates into the inner container, the right end of the feeding pipe is of a closed structure and is tightly attached to the inner wall of the right side of the insulation can, a fluorite powder feeding hopper is arranged on the side wall of the feeding pipe in a penetrating mode, a screw rod is arranged in the feeding pipe, the right end of the screw rod penetrates out of the insulation can and is connected with the power output end of the second motor, one end of the hydrofluoric acid collecting pipe; the concentrated sulfuric acid injection pipe penetrates into the inner container from the outside, and a proportional valve is further installed on the concentrated sulfuric acid injection pipe.
Further, the scraping frame and the stirring sheet are both perpendicular to the transmission rod, wherein the scraping frame is C-shaped and is completely matched with the inner wall of the inner container in shape and size.
Furthermore, a gas filling pipe and a plurality of flame nozzles are arranged on the gas heating device, the flame nozzles are uniformly arranged on the top of the gas heating device, and the gas filling pipe penetrates from the inside to the outside of the machine shell.
Furthermore, the heat preservation cotton is filled in the heat preservation box.
Furthermore, the concentrated sulfuric acid injection pipe, the feeding pipe and the hydrofluoric acid collecting pipe penetrate through the inner container, and one end of the concentrated sulfuric acid injection pipe, the feeding pipe and the hydrofluoric acid collecting pipe, which penetrate through the inner container, is flush with the inner wall of the inner container.
To sum up, the utility model discloses following beneficial effect has:
this kind of reagent level hydrofluoric acid apparatus for producing utilizes the stirring subassembly constantly to scrape the inner wall of inner bag at the during operation, can effectively avoid the raw materials to glue the appearance of wall phenomenon, the waste of raw materials has been reduced, and hug closely together through the inlet pipe with hydrofluoric acid collecting pipe and fluorite, can give the fluorite in the inlet pipe with a large amount of heat transfer that the hydrofluoric acid that just prepared carried, thereby evaporate the moisture in the reaction materials more thoroughly, the realization carries out fine reuse to the heat that gives out in the preparation process.
Drawings
FIG. 1 is a general structural diagram of the present invention;
FIG. 2 is a detailed structural view of the present invention shown in FIG. 1A;
fig. 3 is a general structure diagram of the stirring assembly of the present invention.
In the figure: 1. a housing; 101. an inner container; 1011. a first motor; 1012. a transmission rod; 1013. scraping the frame; 1014. a stirring sheet; 102. a gas heating device; 1021. a flame spraying port; 1022. a gas filling pipe; 2. a heat preservation box; 201. a feed pipe; 2011. a fluorite powder feeding hopper; 2012. a screw; 2013. a second motor; 202. a hydrofluoric acid collecting pipe; 203. heat preservation cotton; 3. a concentrated sulfuric acid injection pipe; 301. a dosing valve.
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.
Example 1
Referring to fig. 1-3, a reagent-grade hydrofluoric acid production device comprises a housing 1, an incubator 2 and a concentrated sulfuric acid injection pipe 3, wherein a liner 101 and a gas heating device 102 are installed inside the housing 1, a first motor 1011 is fixedly installed at the top of the housing 1, the liner 101 is located right above the gas heating device 102, a stirring assembly is arranged inside the liner 101, the stirring assembly comprises a transmission rod 1012, a plurality of scraping frames 1013 and a plurality of stirring blades 1014, the top of the transmission rod 1012 vertically penetrates through the housing 1 and is fixedly connected with a power output end of the first motor 1011, the bottom of the transmission rod 1012 is rotatably connected to the bottom surface of the liner 101, the plurality of scraping frames 1013 and the plurality of stirring blades 1014 are all fixed on the outer wall of the transmission rod 1012 and are uniformly arranged around the axis of the transmission rod 1012, and the outer side wall of the scraping frame 1013 is; the insulation can 2 is fixedly installed on the upper portion of the outer wall of the right side of the machine shell 1, a feeding pipe 201 and a hydrofluoric acid collecting pipe 202 which are tightly attached are transversely arranged in the insulation can 2, a second motor 2013 is fixedly installed on the outer wall of the right side of the insulation can 2, the left end of the feeding pipe 201 is of an open structure and penetrates into the inner container 101, the right end of the feeding pipe 201 is of a closed structure and is tightly attached to the inner wall of the right side of the insulation can 2, a fluorite powder feeding hopper 2011 is arranged on the side wall of the feeding pipe 201 in a penetrating mode, a screw 2012 is arranged inside the feeding pipe 201, the right end of the screw 2012 penetrates out of the insulation can 2 and is connected with a power output end of the second; the concentrated sulfuric acid injection pipe 3 penetrates into the inner container 101 from the outside, and a dosing valve 301 is further mounted on the concentrated sulfuric acid injection pipe 3.
Through the technical scheme, concentrated sulfuric acid is injected into the liner 101 along the concentrated sulfuric acid injection pipe 3, the injection amount of the concentrated sulfuric acid is accurately controlled through the proportional valve 301, meanwhile, the second motor 2013 is started, the second motor 2013 drives the screw 2012 to rotate, at the moment, quantitative fluorite powder is poured into the fluorite powder feeding hopper 2011, the fluorite powder is transmitted to the inner part of the liner 101 after being contacted with the screw 2012 in high-speed rotation, in the period, the fluorite powder is scattered by the screw 2012, the phenomenon that agglomerated fluorite falls into the liner 101 to influence the reaction efficiency is avoided, after the concentrated sulfuric acid and the fluorite powder are poured into the liner 101, the first motor 1011 and the gas heating device 102 are started, the gas heating device 102 burns gas to generate high temperature and transmits the heat to the liner 101, the heating of the liner 101 is realized, after the temperature in the liner 101 rises to the reaction temperature, the raw materials start to react, and simultaneously the first motor 1011 drives the transmission rod 1012, at this time, the scraping frame 1013 and the stirring sheet 1014 rotate together with the transmission rod 1012, during this period, the scraping frame 1013 is tightly attached to the inner wall of the inner container 101 and continuously scrapes the inner wall of the inner container 101, so as to effectively scrape off concentrated sulfuric acid and fluorite powder adhered to the inner wall of the inner container 101, thereby avoiding the occurrence of the phenomenon that the raw material is adhered to the wall, while the stirring sheet 1014 continuously stirs the reaction raw material, thereby accelerating the reaction process, hydrofluoric acid generated by the reaction of the raw material carries a large amount of heat to be discharged and collected along the hydrofluoric acid collecting pipe 202, because the hydrofluoric acid collecting pipe 202 is tightly attached to the feeding pipe 201, the heat in the hydrofluoric acid collecting pipe 202 is rapidly transferred to the feeding pipe 201, the fluorite powder in the feeding pipe 201 is continuously heated and dried after the temperature of the feeding pipe 201 rises, the heat in the feeding pipe 201 and the fluorite collecting pipe 202, the influence of redundant water in the raw materials on the preparation reaction of the hydrofluoric acid is avoided, and the heat emitted in the preparation process is well recycled.
Example 2
Referring to fig. 3, a device for producing reagent-grade hydrofluoric acid is substantially the same as that in embodiment 1, and further, the scraping frame 1013 and the stirring blade 1014 are both arranged perpendicular to the transmission rod 1012, so that a good stirring effect of the scraping frame 1013 and the stirring blade 1014 can be ensured, wherein the scraping frame 1013 is "C" shaped and is completely adapted to the shape and size of the inner wall of the inner container 101, and this structure can ensure the seamless fit between the scraping frame 1013 and the inner wall of the inner container 101, and avoid a dead angle in the scraping range of the scraping frame 1013.
Example 3
Referring to fig. 1, a device for producing a reagent grade hydrofluoric acid is substantially the same as that in embodiment 1, and further, a gas filling pipe 1022 and a plurality of flame ports 1021 are installed on a gas heating device 102, and the plurality of flame ports 1021 are evenly installed at the top of the gas heating device 102, so that the flame generated by the gas heating device 102 is uniformly distributed, thereby realizing that the liner 101 is uniformly heated, the gas filling pipe 1022 penetrates from the inside to the outside of the casing 1, and the gas can be timely supplemented to the gas heating device 102 through the gas filling pipe 1022.
Example 4
Referring to fig. 2, a reagent-grade hydrofluoric acid production apparatus is substantially the same as that in embodiment 1, and further, the inside of the thermal insulation box 2 is filled with thermal insulation cotton 203, so that the thermal insulation effect of the thermal insulation box 2 is improved, and thus, the excessive heat dissipation in the feeding pipe 201 and the hydrofluoric acid collecting pipe 202 can be further avoided.
Example 5
Referring to fig. 1 and 2, a reagent-grade hydrofluoric acid production apparatus is substantially the same as that in embodiment 1, and further, one end of the concentrated sulfuric acid injection tube 3, the feeding tube 201 and the hydrofluoric acid collecting tube 202 penetrating into the inner container 101 is flush with the inner wall of the inner container 101, so as to prevent the concentrated sulfuric acid injection tube 3, the feeding tube 201 and the hydrofluoric acid collecting tube 202 from blocking the operation of the scraping frame 1013, and ensure that the scraping frame 1013 smoothly scrapes the inner wall of the inner container 101.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a reagent grade hydrofluoric acid apparatus for producing, includes casing (1), insulation can (2) and concentrated sulfuric acid injection pipe (3), its characterized in that:
an inner container (101) and a gas heating device (102) are arranged in the machine shell (1), a first motor (1011) is fixedly arranged at the top part, the inner container (101) is positioned right above the gas heating device (102), a stirring component is arranged in the inner container (101), the stirring component comprises a transmission rod (1012), a plurality of scraping frames (1013) and a plurality of stirring blades (1014), the top of the transmission rod (1012) vertically penetrates through the machine shell (1) and is fixedly connected with the power output end of the first motor (1011), the bottom of the transmission rod is rotatably connected to the bottom surface of the inner container (101), the scraping frames (1013) and the stirring blades (1014) are fixed on the outer wall of the transmission rod (1012), the outer side walls of the scraping frames (1013) are tightly attached to the inner wall of the inner container (101);
the insulation can (2) is fixedly installed on the upper portion of the outer wall of the right side of the machine shell (1), a feeding pipe (201) and a hydrofluoric acid collecting pipe (202) which are tightly attached are transversely arranged in the insulation can (2), a second motor (2013) is fixedly installed on the outer wall of the right side of the insulation can (2), the left end of the feeding pipe (201) is of an open structure and penetrates into the inner container (101), the right end of the feeding pipe is of a closed structure and is tightly attached to the inner wall of the right side of the insulation can (2), a fluorite powder feeding hopper (2011) is arranged on the side wall of the feeding pipe (201) in a penetrating mode, a screw (2012) is arranged inside the feeding pipe (201), the right end of the screw (2012) penetrates out of the insulation can (2) and is connected with the power output end of the second motor (2013), and one end of the hydrofluoric acid collecting pipe (202, the other end penetrates out of the interior of the heat preservation box (2);
the concentrated sulfuric acid injection pipe (3) penetrates into the inner container (101) from the outside, and a dosing valve (301) is further mounted on the concentrated sulfuric acid injection pipe (3).
2. The apparatus for producing a reagent grade hydrofluoric acid according to claim 1, wherein: the scraping frame (1013) and the stirring blade (1014) are both arranged perpendicular to the transmission rod (1012), wherein the scraping frame (1013) is C-shaped and is completely matched with the shape and size of the inner wall of the inner container (101).
3. The apparatus for producing a reagent grade hydrofluoric acid according to claim 1, wherein: the gas heating device (102) is provided with a gas filling pipe (1022) and a plurality of flame injection ports (1021), the flame injection ports (1021) are uniformly arranged at the top of the gas heating device (102), and the gas filling pipe (1022) penetrates from the inside to the outside of the machine shell (1).
4. The apparatus for producing a reagent grade hydrofluoric acid according to claim 1, wherein: the heat preservation box (2) is also filled with heat preservation cotton (203).
5. The apparatus for producing a reagent grade hydrofluoric acid according to claim 1, wherein: the concentrated sulfuric acid injection pipe (3), the feeding pipe (201) and the hydrofluoric acid collecting pipe (202) penetrate through the inner container (101), and one end of the inner container (101) is flush with the inner wall of the inner container (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921482277.7U CN210505560U (en) | 2019-09-07 | 2019-09-07 | Reagent-grade hydrofluoric acid production device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921482277.7U CN210505560U (en) | 2019-09-07 | 2019-09-07 | Reagent-grade hydrofluoric acid production device |
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| CN210505560U true CN210505560U (en) | 2020-05-12 |
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| CN201921482277.7U Active CN210505560U (en) | 2019-09-07 | 2019-09-07 | Reagent-grade hydrofluoric acid production device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112694049A (en) * | 2020-12-10 | 2021-04-23 | 江西天晟化工有限公司 | Automatic change water hydrofluoric acid ration of control and fill dress auxiliary system |
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2019
- 2019-09-07 CN CN201921482277.7U patent/CN210505560U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112694049A (en) * | 2020-12-10 | 2021-04-23 | 江西天晟化工有限公司 | Automatic change water hydrofluoric acid ration of control and fill dress auxiliary system |
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