CN219059077U

CN219059077U - Continuous saponification device applied to extraction process

Info

Publication number: CN219059077U
Application number: CN202223076817.6U
Authority: CN
Inventors: 高敏勇; 周林华; 于金龙; 何英志; 王永刚
Original assignee: Jinchuan Group Co Ltd; Jinchuan Nickel Cobalt Research and Design Institute Co Ltd
Current assignee: Jinchuan Group Co Ltd; Jinchuan Nickel Cobalt Research and Design Institute Co Ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-05-23
Anticipated expiration: 2032-11-18

Abstract

The utility model relates to the technical field of hydrometallurgy, and aims to provide a continuous saponification device applied to an extraction process, which comprises a saponification groove, wherein a mixed liquid pipeline and an exhaust port are arranged at the top of the saponification groove, the mixed liquid pipeline is connected with an organic pipeline and a liquid alkali pipeline through a pipeline mixer, the side wall of the upper part of the saponification groove is communicated with a mixing chamber through a communication pipeline, the top of the mixing chamber is provided with the exhaust port, and stirring devices are arranged in the saponification groove and the mixing chamber, so that the continuous saponification device has the beneficial effects that: the utility model realizes the continuous saponification of the organic and sodium hydroxide solution after P204 washing, has simple and convenient operation, is easy for on-site continuous production, is beneficial to the stable operation of the extraction box, and simultaneously, the whole liquid inlet, liquid outlet and reaction process of the utility model are carried out in a closed environment without causing environmental pollution.

Description

Continuous saponification device applied to extraction process

Technical Field

The utility model belongs to the technical field of hydrometallurgy, and particularly relates to a continuous saponification device applied to an extraction process.

Background

In industrial production, the problem of saponification of the P204 after washing is still the focus of current attention. Some units put P204 into a large tank, add sodium hydroxide solution quantitatively as required, stir, and let the organic fraction after P204 wash be called sodium salt. This soap making method is only suitable for small scale production, but is not suitable for large scale extraction production where tens or hundreds of cubic meters of solution are treated every day. In other units, the sodium hydroxide solution is adopted to strip the P204 oil phase, on one hand, the extractant is regenerated, meanwhile, the P204 is organically converted into P204 sodium salt after being washed, then the P204 sodium salt is added with the weak acid solution and is converted into other P204 salts, and the method is very difficult to split phases, serious in pollution, incapable of being processed and unsuitable for large-scale extraction production. Therefore, the problem of how to saponify the P204 washed organic matter is applied to the production of a large-scale extraction process and the extraction efficiency is improved needs to be solved.

Disclosure of Invention

The present utility model is directed to a continuous saponification apparatus for use in an extraction process, which solves the problems set forth in the background art.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides an use continuous saponification device in extraction technology, includes the saponification groove, saponification groove top is provided with mixed liquid pipeline and gas vent, and mixed liquid pipeline is connected with organic pipeline and liquid alkali pipeline through the pipeline blender, saponification groove upper portion lateral wall is linked together with the mixing chamber through the communicating tube, and the top of mixing chamber is provided with the gas vent, saponification groove and the inside agitating unit that all is provided with of mixing chamber.

The stirring device comprises a stirring shaft, stirring paddles are arranged at the lower part of the stirring shaft, the upper end of the stirring shaft is connected with a motor through a coupling, the motor is fixedly arranged on a top cover of the saponification tank and the mixing chamber through a connecting frame and bolts, and the stirring shaft and the stirring paddles are positioned inside the saponification tank and the mixing chamber.

The saponification groove is characterized in that a solution baffle is arranged on the inner side of the saponification groove, and a flow passage is arranged between the solution baffle and the bottom of the saponification groove.

One end of the communicating pipeline is positioned in a gap between the inner wall of the saponification groove and the solution baffle, and the other end of the communicating pipeline is communicated with the inner cavity of the mixing chamber.

The distance between the communicating pipeline and the top of the saponification groove is 1/5 of the height of the saponification groove, and the distance between the communicating pipeline and the bottom of the mixing chamber is 1/18 of the height of the mixing chamber.

And a liquid level meter is arranged on the saponification tank.

The saponification groove and the exhaust port at the top of the mixing chamber are connected with an exhaust pipe.

An organic flowmeter and an organic control valve are arranged on the organic pipeline.

And a liquid alkali flowmeter and a liquid alkali control valve are arranged on the liquid alkali pipeline.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1) According to the utility model, the saponification tank is arranged, so that the organic and sodium hydroxide solution after P204 washing is continuously added into the saponification tank through the control of the flowmeter, after the concentration of organic hydrogen ions after the soap meets the extraction process requirement, the organic hydrogen ions after the soap are gradually lowered into the mixing chamber, and therefore, the organic continuous and stable flow into the next process after the soap is realized, the operation is simple and convenient, the on-site continuous production is easy, and the stable production and operation of the extraction tank are facilitated;

2) The utility model improves the extraction efficiency by using the extraction process after continuous saponification, the extraction rate is up to more than 98%, and the metal direct yield is increased from the original 85% to more than 95%;

3) The whole liquid inlet, liquid outlet and reaction process are carried out in a closed environment, so that no environmental pollution is caused;

4) According to the utility model, the solution baffle is arranged in the saponification tank, so that the solution entering the saponification tank is stirred by the stirring device, slowly flows through the bottom of the baffle and then enters the flow passage, and saponification is more thorough;

5) The top of the saponification tank and the top of the mixing chamber are both connected with exhaust pipes, so that the field operation environment is not polluted.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present utility model.

Figure number and name: saponification cell 1, pipeline mixer 2, organic control valve 3, liquid alkali control valve 4, organic flowmeter 5, liquid alkali flowmeter 6, motor 7, stirring axle 8, stirring paddle 9, mixed liquor pipeline 10, solution baffle 11, communicating pipeline 12, mixing chamber 13, blast pipe 14, liquid level meter 15, organic pipeline 16, liquid alkali pipeline 17, and overflow channel 18.

Detailed Description

The present utility model will now be described in detail with reference to the drawings and the specific embodiments thereof, wherein the illustrative embodiments and descriptions of the utility model are for illustration, but not for limitation.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, the continuous saponification device applied to the extraction process comprises a saponification groove 1, wherein a mixed liquid pipeline 10 and a liquid level meter 15 are arranged at the top of the saponification groove 1, the mixed liquid pipeline 10 is connected with an organic pipeline 16 and a liquid alkali pipeline 17 through a pipeline mixer 2, an organic flowmeter 5 and an organic control valve 3 are arranged on the organic pipeline 16, and a liquid alkali flowmeter 6 and a liquid alkali control valve 4 are arranged on the liquid alkali pipeline 17.

The inside of the saponification tank 1 is welded with a solution baffle 11, a flow passage 18 is arranged between the solution baffle 11 and the bottom of the saponification tank 1, and the solution baffle 11 is arranged, so that the solution entering the saponification tank 1 is stirred by a stirring device, slowly flows through the bottom of the solution baffle 11 and enters the flow passage 18, and saponification is more thorough; the upper side wall of the saponification groove 1 is communicated with the mixing chamber 13 through a communicating pipeline 12, one end of the communicating pipeline 12 is positioned in a gap between the inner wall of the saponification groove 1 and the solution baffle 11, the other end of the communicating pipeline 12 is communicated with the inner cavity of the mixing chamber 13, the distance between the communicating pipeline 12 and the top of the saponification groove 1 is 1/5 of the height of the saponification groove 1, and the distance between the communicating pipeline 12 and the bottom of the mixing chamber 13 is 1/18 of the height of the mixing chamber 13.

The top of saponification groove 1 and mixing chamber 13 all is provided with the gas vent, and two gas vents all are connected with blast pipe 14, have guaranteed that site operation environment is not polluted.

The saponification groove 1 and the mixing chamber 13 are internally provided with stirring devices, each stirring device comprises a stirring shaft 8, stirring blades 9 are arranged at the lower part of each stirring shaft 8, the upper ends of the stirring shafts 8 are connected with motors 7 through couplings, the motors 7 are installed on the top covers of the saponification groove 1 and the mixing chamber 13 through connecting frames and bolt fastening, and the stirring shafts 8 and the stirring blades 9 are located inside the saponification groove 1 and the mixing chamber 13.

When the utility model works, firstly, the organic control valve 3 and the liquid alkali control valve 4 are opened, at this time, organic phase and liquid alkali solution enter the saponification tank 1, the motor 7 on the saponification tank 1 is started, the motor 7 drives the stirring shaft 8 to rotate, then drives the stirring blade 9 to stir and mix the solution in the saponification tank 1, the mixed solution in the saponification tank 1 flows into a gap between the saponification tank 1 and the baffle 11 through the through-flow channel 18 after being fully mixed by the stirring blade 9, then flows into the communication pipeline 12 from the gap, and the solution flows into the mixing chamber 13 from the communication pipeline 12. It is noted that during the saponification process, the organic flow meter 5 or the liquid alkali flow meter 6 is required to be adjusted according to the extraction process requirements, and the gas generated in the saponification tank 1 and the mixing chamber 13 is collected through the exhaust pipe 14.

Claims

1. The utility model provides an use continuous saponification device in extraction technology, includes saponification groove (1), its characterized in that: the saponification groove (1) top is provided with mixed liquor pipeline (10) and gas vent, and mixed liquor pipeline (10) are connected with organic pipeline (16) and liquid alkali pipeline (17) through pipeline blender (2), saponification groove (1) upper portion lateral wall is linked together with mixing chamber (13) through communication pipeline (12), and the top of mixing chamber (13) is provided with the gas vent, saponification groove (1) and mixing chamber (13) are inside all to be provided with agitating unit.

2. A continuous saponification apparatus for use in an extraction process according to claim 1, characterised in that: the stirring device comprises a stirring shaft (8), stirring paddles (9) are arranged at the lower part of the stirring shaft (8), a motor (7) is connected to the upper end of the stirring shaft (8) through a coupling, the motor (7) is installed on the top covers of the saponification tank (1) and the mixing chamber (13) through a connecting frame and a bolt in a fastening mode, and the stirring shaft (8) and the stirring paddles (9) are located inside the saponification tank (1) and the mixing chamber (13).

3. A continuous saponification apparatus for use in an extraction process according to claim 2, characterised in that: the inside of the saponification groove (1) is provided with a solution baffle (11), and a flow passage (18) is arranged between the solution baffle (11) and the bottom of the saponification groove (1).

4. A continuous saponification apparatus for use in an extraction process according to claim 1, characterised in that: one end of the communicating pipeline (12) is positioned in a gap between the inner wall of the saponification groove (1) and the solution baffle plate (11), and the other end of the communicating pipeline (12) is communicated with the inner cavity of the mixing chamber (13).

5. A continuous saponification apparatus for use in an extraction process according to claim 4, characterised in that: the distance between the communicating pipeline (12) and the top of the saponification groove (1) is 1/5 of the height of the saponification groove (1), and the distance between the communicating pipeline (12) and the bottom of the mixing chamber (13) is 1/18 of the height of the mixing chamber (13).

6. A continuous saponification apparatus for use in an extraction process according to claim 1, characterised in that: a liquid level meter (15) is arranged on the saponification groove (1).

7. A continuous saponification apparatus for use in an extraction process according to claim 1, characterised in that: the saponification groove (1) and the exhaust port at the top of the mixing chamber (13) are connected with an exhaust pipe (14).

8. A continuous saponification apparatus for use in an extraction process according to claim 1, characterised in that: an organic flowmeter (5) and an organic control valve (3) are arranged on the organic pipeline (16).

9. A continuous saponification apparatus for use in an extraction process according to claim 1, characterised in that: and a liquid alkali flowmeter (6) and a liquid alkali control valve (4) are arranged on the liquid alkali pipeline (17).