CN217594333U

CN217594333U - Novel acid mixing tank

Info

Publication number: CN217594333U
Application number: CN202220941593.1U
Authority: CN
Inventors: 李忠萍; 李登科; 彭智敏; 伍春红
Original assignee: Hunan Nonferrous Chenzhou Fluorde Chemical Co ltd
Current assignee: Hunan Nonferrous Chenzhou Fluorde Chemical Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-10-18
Anticipated expiration: 2032-04-22

Abstract

The utility model discloses a novel mix sour groove relates to chemical production technical field, include the blending tank and install the vapor phase balance pipe on blending tank top, the inside of blending tank is provided with the mixing mechanism. The utility model discloses a set up mixing mechanism, sulfuric acid and washing acid enter into and carry out sulfuric acid reposition of redundant personnel through first arch flow distribution plate when connecting the shell inside, make sulfuric acid after the reposition of redundant personnel mix with the sour convection current of washing production respectively, then enter into arch gathering inslot portion through the inboard first water conservancy diversion hole of first arch flow distribution plate respectively and converge once more and produce the impact and mix, thereby inside second water conservancy diversion hole and third water conservancy diversion hole discharge mixing drum, so that washing acid and sulfuric acid intensive mixing, the acid mist that both mixed the production enters into when mixing drum is inside, spray the mixing drum inside with water conservancy diversion sulfuric acid through the shower nozzle, wash acid mist, the function of washing acid and sulfuric acid intensive mixing has been realized through the cooperation of above a plurality of parts.

Description

Novel acid mixing tank

Technical Field

The utility model relates to a chemical production technical field specifically is a novel mix acid tank.

Background

In the production process of anhydrous hydrofluoric acid, 105% sulfuric acid and washing acid are required to be uniformly mixed through an acid mixing tank, so that the water in the mixed acid is uniform. In general process control for producing anhydrous hydrofluoric acid, the water content of washing acid exceeds 5%, the process for producing the anhydrous hydrofluoric acid by using low-grade fluorite has the water content of more than 10% and 15% in the high process, but the concentration of sulfuric acid entering a reaction furnace needs to be controlled to be about 100%, and the fully mixing process of acid is particularly important for controlling the whole production process.

When two or more acids are mixed, the acid mixing device used in the existing anhydrous hydrofluoric acid production process needs to use more complicated equipment such as stirring equipment, the uneven mixing causes a series of problems such as large water fluctuation of a system, unstable negative pressure system, serious equipment corrosion caused by acid mist and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the mixing efficiency of the acid mixing device is poor, a novel acid mixing groove is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a novel acid mixing tank comprises a mixing barrel and a gas phase balance pipe arranged at the top end of the mixing barrel, wherein a guide pipe is arranged inside the mixing barrel, one end of the guide pipe penetrates through the outer wall of one side of the mixing barrel, a spray head is arranged at the bottom end of the guide pipe, a sulfuric acid leading-in pipe penetrating through the outer wall of the other side is arranged inside the mixing barrel, a mixed acid leading-out pipe penetrating through the outer wall of the other side is arranged inside the mixing barrel, the mixed acid leading-out pipe is positioned above the sulfuric acid leading-in pipe, a first washing acid leading-in pipe penetrating through the outer wall of one end is arranged inside the mixing barrel, a second washing acid leading-in pipe penetrating through the outer wall of the other end is arranged inside the mixing barrel, and a mixing mechanism is arranged inside the mixing barrel;

the mixing mechanism comprises a connecting shell, a first guide pipe, a bolt, a second guide pipe, a first arched flow distribution plate and a second arched flow distribution plate, the connecting shell is installed at the bottom end inside the mixing barrel, the first guide pipe is fixedly connected to the input end of the connecting shell, the second guide pipe is slidably connected to the outer wall of the first guide pipe, the bolt is in threaded connection to the outer wall of the second guide pipe, the first arched flow distribution plate is fixedly connected inside the connecting shell, and the second arched flow distribution plate is fixedly connected inside the connecting shell and located on the inner side of the first arched flow distribution plate;

and a sealing mechanism is arranged on the outer wall of the first guide pipe and the inner side of the second guide pipe and is used for sealing the sulfuric acid introducing pipe and the first guide pipe.

As a further aspect of the present invention: sealing mechanism includes first sealing washer, bell jar and second sealing washer, first sealing washer fixed connection be in first pipe outer wall, the bell jar is seted up the inner wall of second pipe, second sealing washer fixed connection be in the one end of second pipe.

As a further aspect of the present invention: the outer wall of the second guide pipe is fixedly connected with a connecting seat, a first threaded hole matched with the bolt is formed in the inner wall of the connecting seat, a second threaded hole matched with the bolt is formed in the bottom end of the inner portion of the mixing barrel, and the second guide pipe is in threaded connection with the mixing barrel through the bolt.

As a further aspect of the present invention: the upper end and the lower end of the inner side of the second guide pipe are fixedly connected with limiting sliding blocks, the outer wall of the first guide pipe is provided with limiting sliding grooves matched with the limiting sliding blocks, and the second guide pipe is in sliding connection with the first guide pipe through a limiting block fixedly connected with the inner side.

As a further aspect of the present invention: an arch-shaped gathering groove is arranged between the first arch-shaped splitter plate and the second arch-shaped splitter plate, and first flow guide holes communicated with the arch-shaped gathering groove are formed in two sides of the first arch-shaped splitter plate.

As a further aspect of the present invention: the top end of the second arched splitter plate is provided with a second diversion hole communicated with the arched gathering groove, the inner wall of the connecting shell is provided with a third diversion port communicated with the mixing barrel, and the third diversion hole is communicated with the second diversion hole.

As a further aspect of the present invention: the inner wall of the second conduit is provided with a circular groove communicated with the first sealing ring, the circular groove is communicated with the conical groove, and the inner wall of the sulfuric acid leading-in pipe is provided with a groove matched with the second sealing ring.

Compared with the prior art, the beneficial effects of the utility model are that:

through setting up the mixing mechanism, carry out the sulfuric acid reposition of redundant personnel through first arch flow distribution plate when sulfuric acid and washing acid enter into connecting shell inside, make sulfuric acid after the reposition of redundant personnel produce the convection current with the washing acid respectively and mix, then enter into arch gathering inslot portion through the first water conservancy diversion hole of first arch flow distribution plate inboard respectively and converge once more and produce the impact and mix, thereby discharge inside the blending tank through second water conservancy diversion hole and third water conservancy diversion hole, with this make washing acid and sulfuric acid intensive mixing, both mix the acid mist that produces and enter into the blending tank when inside, spray the inside sulfuric acid of blending tank through the shower nozzle, wash the acid mist, the function of washing acid and sulfuric acid intensive mixing has been realized through the cooperation of above a plurality of parts.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the mixing barrel of the present invention;

FIG. 3 is a schematic view of the internal structure of the connecting shell of the present invention;

fig. 4 is a cross-sectional view of a second catheter of the present invention.

In the figure: 1. a mixing barrel; 2. a flow guide pipe; 3. a gas phase equilibrium tube; 4. a mixed acid delivery pipe; 5. a first washing acid introduction pipe; 6. a sulfuric acid introduction pipe; 7. a second washing acid introduction pipe; 8. a mixing mechanism; 801. a connecting shell; 802. a first conduit; 803. a bolt; 804. a second conduit; 805. a first arcuate splitter plate; 806. a second arcuate splitter plate; 9. a sealing mechanism; 901. a first seal ring; 902. a tapered groove; 903. a second seal ring; 10. and (4) a spray head.

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 4, in an embodiment of the present invention, a novel acid mixing tank includes a mixing tub 1 and a gas phase equilibrium tube 3 installed on a top end of the mixing tub 1, a draft tube 2 is installed inside the mixing tub 1, one end of the draft tube 2 penetrates through an outer wall of one side of the mixing tub 1, a nozzle 10 is installed at a bottom end of the draft tube 2, a sulfuric acid inlet tube 6 penetrating through an outer wall of the other side is installed inside the mixing tub 1, a mixed acid outlet tube 4 penetrating through an outer wall of the other side is installed inside the mixing tub 1, the mixed acid outlet tube 4 is located above the sulfuric acid inlet tube 6, a first washing acid inlet tube 5 penetrating through an outer wall of one end is installed inside the mixing tub 1, a second washing acid inlet tube 7 penetrating through an outer wall of the other end is installed inside the mixing tub 1, and a mixing mechanism 8 is installed inside the mixing tub 1;

the mixing mechanism 8 comprises a connecting shell 801, a first conduit 802, a bolt 803, a second conduit 804, a first arched flow distribution plate 805 and a second arched flow distribution plate 806, the connecting shell 801 is installed at the bottom end of the interior of the mixing barrel 1, the first conduit 802 is fixedly connected to the input end of the connecting shell 801, the second conduit 804 is slidably connected to the outer wall of the first conduit 802, the bolt 803 is in threaded connection with the outer wall of the second conduit 804, the first arched flow distribution plate 805 is fixedly connected to the interior of the connecting shell 801, and the second arched flow distribution plate 806 is fixedly connected to the interior of the connecting shell 801 and is positioned at the inner side of the first arched flow distribution plate 805;

a sealing mechanism 9 is provided between the outer wall of the first conduit 802 and the inner side of the second conduit 804, and seals between the sulfuric acid introduction pipe 6 and the first conduit 802.

In this embodiment: the guide pipe 2 is connected with the output end of an external sulfuric acid storage barrel through a pipeline, so that sulfuric acid in the sulfuric acid storage barrel firstly enters the guide pipe 2 through the pipeline, the sulfuric acid inlet pipe 6 is connected with the external sulfuric acid storage barrel through a second pipeline, the first washing acid inlet pipe 5 and the second washing acid inlet pipe 7 are respectively connected with the output end of the external washing acid storage barrel through a third pipeline, three groups of first guide pipes 802 and three groups of second guide pipes 804 are arranged, the other two groups of first guide pipes 802 and two groups of second guide pipes 804 are respectively connected with the first washing acid inlet pipe 5 and the second washing acid inlet pipe 7, the inner walls of the other two first guide pipes 802 and the outer wall of the second guide pipe 804 are also provided with sealing mechanisms 9, when the sulfuric acid is introduced into the first guide pipes 802 and the second guide pipes 804 through the sulfuric acid inlet pipe 6 and then enters the connecting shell 801, washing acid enters the inside of the connecting shell 801 through the first washing acid inlet pipe 5 and the second washing acid inlet pipe 7 respectively, when the sulfuric acid enters the inside of the connecting shell 801, the sulfuric acid is divided through the first arched flow dividing plate 805 while entering the inside of the connecting shell 801, the divided sulfuric acid and the washing acid generate convection respectively, and then are mixed, and then enter the inside of the arched gathering tank through the first flow guiding hole on the inner side of the first arched flow dividing plate 805 to be converged again to generate impact to be mixed, so that the sulfuric acid and the sulfuric acid are discharged into the inside of the mixing barrel 1 through the second flow guiding hole and the third flow guiding hole, the washing acid and the sulfuric acid are fully mixed, when acid mist generated by mixing the sulfuric acid and the washing acid enters the inside of the mixing barrel 1, the sulfuric acid in the flow guiding pipe 2 is sprayed into the inside of the mixing barrel 1 through the spray nozzle to wash the acid mist, and the function of fully mixing the washing acid and the sulfuric acid is realized through the matching of the plurality of parts.

Please refer to fig. 4, the sealing mechanism 9 includes a first sealing ring 901, a tapered groove 902 and a second sealing ring 903, the first sealing ring 901 is fixedly connected to the outer wall of the first guiding pipe 802, the tapered groove 902 is formed on the inner wall of the second guiding pipe 804, the second sealing ring 903 is fixedly connected to one end of the second guiding pipe 804, the inner wall of the second guiding pipe 804 is provided with a circular groove communicated with the first sealing ring 901, the circular groove is communicated with the tapered groove 902, and the inner wall of the sulfuric acid introducing pipe 6 is provided with a groove matched with the second sealing ring 903.

In this embodiment: when the second conduit 804 is butted with the sulfuric acid introduction pipe 6, the second conduit 804 is pushed to slide on the outer wall of the first conduit 802, so that the tapered groove 902 and the first sealing ring 901 are separated and pressed and contracted into the circular groove on the inner wall of the second conduit 804, the second conduit 804 and the first conduit 802 are sealed, and when the second conduit 804 is aligned with the sulfuric acid introduction pipe 6, the second sealing ring 903 is compressed into the groove on the inner wall of the sulfuric acid introduction pipe 6, so that the second conduit 804 and the sulfuric acid introduction pipe 6 are sealed.

Please refer to fig. 2-3, the outer wall of the second conduit 804 is fixedly connected with a connecting seat, the inner wall of the connecting seat is provided with a first threaded hole matched with the bolt 803, the inner bottom end of the mixing barrel 1 is provided with a second threaded hole matched with the bolt 803, the second conduit 804 is in threaded connection with the mixing barrel 1 through the bolt 803, the upper end and the lower end of the inner side of the second conduit 804 are fixedly connected with a limit slider, the outer wall of the first conduit 802 is provided with a limit chute matched with the limit slider, and the second conduit 804 is in sliding connection with the first conduit 802 through a limit block fixedly connected with the inner side.

In this embodiment: when it is necessary to connect the second guide tube 804 with the sulfuric acid introduction tube 6, the second guide tube 804 is pulled toward one end to align the second guide tube 804 with the sulfuric acid introduction tube 6 while aligning the first threaded hole with the second threaded hole, and then the bolt 803 is screwed into the first threaded hole and the second threaded hole, thereby fixing the second guide tube 804 at a specified position.

Please refer to fig. 3, an arched collecting groove is disposed between the first arched splitter plate 805 and the second arched splitter plate 806, first diversion holes communicated with the arched collecting groove are disposed on two sides of the first arched splitter plate 805, second diversion holes communicated with the arched collecting groove are disposed on the top end of the second arched splitter plate 806, a third diversion port communicated with the mixing barrel 1 is disposed on the inner wall of the connecting shell 801, and the third diversion holes are communicated with the second diversion holes.

In this embodiment: it aligns through first arch flow distribution plate 805 and shunts to be convenient for when sulphuric acid enters into inside connecting shell 801, make sulphuric acid after the reposition of redundant personnel produce the convection current with the washing acid respectively, thereby mix, then enter into arch gathering tank inside through first inside water conservancy diversion hole of first arch flow distribution plate 805 respectively and converge once more and produce the impact and mix, thereby discharge to mixing tub 1 inside through second water conservancy diversion hole and third water conservancy diversion hole, so that sulphuric acid and washing acid can carry out the intensive mixing.

The above-mentioned, only be the embodiment of the preferred of the present invention, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel familiar with this technical field is in the technical scope of the utility model discloses an according to the utility model discloses a technical scheme and utility model design in addition the replacement of equality or change, all should be covered within the protection scope of the utility model.

Claims

1. A novel acid mixing tank comprises a mixing barrel (1) and a gas phase balance pipe (3) installed at the top end of the mixing barrel (1), wherein a guide pipe (2) is installed inside the mixing barrel (1), one end of the guide pipe (2) penetrates through the outer wall of one side of the mixing barrel (1), a spray head (10) is installed at the bottom end of the guide pipe (2), a sulfuric acid inlet pipe (6) penetrating through the outer wall of the other side is arranged inside the mixing barrel (1), a mixed acid outlet pipe (4) penetrating through the outer wall of the other side is arranged inside the mixing barrel (1), the mixed acid outlet pipe (4) is located above the sulfuric acid inlet pipe (6), a first washing acid inlet pipe (5) penetrating through the outer wall of one end is arranged inside the mixing barrel (1), and a second washing acid inlet pipe (7) penetrating through the outer wall of the other end is arranged inside the mixing barrel (1), and is characterized in that a mixing mechanism (8) is arranged inside the mixing barrel (1);

the mixing mechanism (8) comprises a connecting shell (801), a first guide pipe (802), a bolt (803), a second guide pipe (804), a first arched flow distribution plate (805) and a second arched flow distribution plate (806), wherein the connecting shell (801) is installed at the inner bottom end of the mixing barrel (1), the first guide pipe (802) is fixedly connected to the input end of the connecting shell (801), the second guide pipe (804) is slidably connected to the outer wall of the first guide pipe (802), the bolt (803) is in threaded connection to the outer wall of the second guide pipe (804), the first arched flow distribution plate (805) is fixedly connected to the inner portion of the connecting shell (801), and the second arched flow distribution plate (806) is fixedly connected to the inner portion of the connecting shell (801) and is located on the inner side of the first arched flow distribution plate (805);

and a sealing mechanism (9) is arranged on the outer wall of the first conduit (802) and the inner side of the second conduit (804) and is used for sealing between the sulfuric acid introducing pipe (6) and the first conduit (802).

2. The novel acid mixing tank as claimed in claim 1, wherein the sealing mechanism (9) comprises a first sealing ring (901), a tapered groove (902) and a second sealing ring (903), the first sealing ring (901) is fixedly connected to the outer wall of the first conduit (802), the tapered groove (902) is arranged on the inner wall of the second conduit (804), and the second sealing ring (903) is fixedly connected to one end of the second conduit (804).

3. A novel acid mixing tank as claimed in claim 1, wherein the outer wall of the second conduit (804) is fixedly connected with a connecting seat, the inner wall of the connecting seat is provided with a first threaded hole matched with the bolt (803), the inner bottom end of the mixing barrel (1) is provided with a second threaded hole matched with the bolt (803), and the second conduit (804) is in threaded connection with the mixing barrel (1) through the bolt (803).

4. The novel acid mixing tank as claimed in claim 1, wherein the upper and lower ends of the inner side of the second conduit (804) are fixedly connected with limit sliders, the outer wall of the first conduit (802) is provided with limit sliding grooves matched with the limit sliders, and the second conduit (804) is slidably connected with the first conduit (802) through limit blocks fixedly connected to the inner side.

5. The novel acid mixing tank as claimed in claim 1, wherein an arched gathering tank is arranged between the first arched splitter plate (805) and the second arched splitter plate (806), and first flow guide holes communicated with the arched gathering tank are formed in two sides of the first arched splitter plate (805).

6. The novel acid mixing tank as claimed in claim 5, wherein a second diversion hole communicated with the arched gathering tank is formed at the top end of the second arched flow distribution plate (806), a third diversion port communicated with the mixing barrel (1) is formed in the inner wall of the connecting shell (801), and the third diversion hole is communicated with the second diversion hole.

7. The novel acid mixing tank as claimed in claim 2, wherein the inner wall of the second conduit (804) is provided with a circular groove communicated with the first sealing ring (901), the circular groove is communicated with the conical groove (902), and the inner wall of the sulfuric acid introduction pipe (6) is provided with a groove matched with the second sealing ring (903).