Extraction production equipment for rare earth production

Abstract

The utility model relates to the technical field of rare earth production, in particular to extraction production equipment for rare earth production, which comprises a first Jinjiang reactor and a third Jinjiang reactor, a first filtering phase splitter, a second Jinjiang reactor and a second filtering phase splitter are sequentially arranged on the right side of the first Jinjiang reactor, and the third Jinjiang reactor is arranged on the right side of the third Jinjiang reactor. A third filtering phase splitter, a fourth Jinyu reactor and a fourth filtering phase splitter are sequentially arranged on the right side of the third Jinyu reactor; an outlet of the first filtering phase splitter is communicated with an inlet of the third Jinyu reactor through a conveying pipeline, and an outlet of the fourth filtering phase splitter is communicated with an inlet of the second Jinyu reactor through a conveying pipeline. The rare earth extraction production equipment is small in occupied area, tank cleaning is not needed, long-term operation of the equipment is facilitated, a rare earth-containing organic phase is subjected to two-stage reverse extraction, and meanwhile cyclic utilization of an extraction agent is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of rare earth production, in particular to extraction production equipment for rare earth production. Background Art

[0002] Rare earths are a group of new functional materials that have multiple properties such as electricity, magnetism, light, and biology. They are important basic materials in high-tech fields such as information technology, biotechnology, and energy technology.

[0003] At present, the production of rare earths from rare earth ores requires the front-end rare earth ores and concentrated sulfuric acid to be roasted at high temperature in a rotary kiln before entering the water immersion workshop for immersion, and then the immersion liquid enters the extraction section. However, rare earth enterprises generally use multi-stage extraction tanks for extraction transformation, which occupies a large area and is difficult to clean. After long-term operation, it has a certain impact on production.

[0004] In order to solve the above problems, we have made improvements and proposed an extraction production equipment for rare earth production. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model provides an extraction production equipment for rare earth production, comprising a first Jinyu reactor and a third Jinyu reactor, wherein a first filter phase separator, a second Jinyu reactor and a second filter phase separator are sequentially arranged on the right side of the first Jinyu reactor, and a third filter phase separator, a fourth Jinyu reactor and a fourth filter phase separator are sequentially arranged on the right side of the third Jinyu reactor;

[0007] The outlet of the first filter phase separator is connected to the inlet of the third Jinyu reactor through a delivery pipeline, the outlet of the fourth filter phase separator is connected to the inlet of the second Jinyu reactor through a delivery pipeline, and a pump is installed on the delivery pipeline.

[0008] As a preferred technical solution of the present utility model, the top surfaces of the first Jin Yu reactor, the second Jin Yu reactor, the third Jin Yu reactor and the fourth Jin Yu reactor are provided with two inlets, and the bottom surfaces are provided with an outlet.

[0009] As a preferred technical solution of the utility model, the top surfaces of the first filter phase separator, the second filter phase separator, the third filter phase separator and the fourth filter phase separator are provided with an inlet, and the bottom surfaces are provided with two outlets.

[0010] As a preferred technical solution of the present invention, the outlet of the first Jin Yu reactor is connected to the inlet of the first filter phase separator through a conveying pipe, one of the outlets of the first filter phase separator is connected to one of the inlets of the second Jin Yu reactor through a conveying pipe, the outlet of the second Jin Yu reactor is connected to the inlet of the second filter phase separator through a conveying pipe, and a pump is installed on the conveying pipe.

[0011] As a preferred technical solution of the utility model, the outlet of the third Jin Yu reactor is connected to the inlet of the third filter phase separator through a conveying pipe, one of the outlets of the third filter phase separator is connected to one of the inlets of the fourth Jin Yu reactor through a conveying pipe, the outlet of the fourth Jin Yu reactor is connected to the inlet of the fourth filter phase separator through a conveying pipe, and a pump is installed on the conveying pipe.

[0012] As a preferred technical solution of the utility model, the outlet of the second filtering phase separator is connected to the first Jinyu reactor through a delivery pipeline, and a pump is installed on the delivery pipeline.

[0013] As a preferred technical solution of the utility model, water extract is introduced into another inlet of the first Jin Yu reactor, P204 extractant is introduced into another outlet of the second Jin Yu reactor, and hydrochloric acid is introduced into another inlet of the third Jin Yu reactor and the fourth Jin Yu reactor.

[0014] The beneficial effects of the utility model are:

[0015] 1. This kind of extraction production equipment for rare earth production, the rare earth-containing aqueous phase enters the second Jinyu reactor through the conveying pipeline, and the P204 extractant is added to the second Jinyu reactor, and then the phases are separated by the second filter phase separator, the waste water is discharged, and then neutralized. The organic phase enters the first Jinyu reactor again and is extracted again, so that the extraction of the aqueous phase after one extraction is more complete, and the equipment occupies a small area, does not need to clean the tank, which is conducive to the long-term operation of the equipment.

[0016] 2. This kind of extraction production equipment for rare earth production, the rare earth-containing organic phase enters the third Jinyu reactor through the conveying pipeline and is fully mixed, and hydrochloric acid is added to the third Jinyu reactor, and then enters the third filtering phase separator, the product is rare earth chloride and a small amount of rare earth-containing organic phase, the rare earth-containing organic phase enters the fourth Jinyu reactor, and hydrochloric acid is added thereto, and after mixing, it is passed into the fourth filtering phase separator, the product is rare earth chloride and an organic phase, the organic phase is passed into the first Jinyu reactor, and returned to the front end to supplement P204 extractant, the rare earth elements are enriched in the organic phase, and are also extracted through the two-stage stripping, and the recycling of the extractant is realized at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the extraction stage equipment of an extraction production equipment for rare earth production of the utility model;

[0019] Figure 2 This is a schematic diagram of the stripping stage of an extraction production equipment for rare earth production of the utility model;

[0020] Figure 3 This is a schematic diagram of the extraction process of an extraction production equipment for rare earth production in the utility model;

[0021] Figure 4 This is a schematic diagram of the process flow of the stripping stage of an extraction production equipment for rare earth production in the utility model.

[0022] In the figure: 1, the first Jin Yu reactor; 2, the first filter phase separator; 3, the second Jin Yu reactor; 4, the second filter phase separator; 5, the third Jin Yu reactor; 6, the third filter phase separator; 7, the fourth Jin Yu reactor; 8, the fourth filter phase separator. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0024] Example: Figure 1-Figure 4 As shown, an extraction production equipment for rare earth production includes a first Jinyu reactor 1 and a third Jinyu reactor 5. The first Jinyu reactor 1 is provided with a first filter phase separator 2, a second Jinyu reactor 3 and a second filter phase separator 4 in sequence on the right side thereof, and the third Jinyu reactor 5 is provided with a third filter phase separator 6, a fourth Jinyu reactor 7 and a fourth filter phase separator 8 in sequence on the right side thereof;

[0025] The outlet of the first filter phase separator 2 is connected to the inlet of the third Jin Yu reactor 5 through a delivery pipeline, and the outlet of the fourth filter phase separator 8 is connected to the inlet of the second Jin Yu reactor 3 through a delivery pipeline, and a pump is installed on the delivery pipeline.

[0026] The top surfaces of the first Jinyu reactor 1, the second Jinyu reactor 3, the third Jinyu reactor 5 and the fourth Jinyu reactor 7 are provided with two inlets, and the bottom surfaces are provided with an outlet.

[0027] The first filter phase separator 2, the second filter phase separator 4, the third filter phase separator 6 and the fourth filter phase separator 8 are provided with an inlet on the top surface and two outlets on the bottom surface.

[0028] The outlet of the first Jin Yu reactor 1 is connected to the inlet of the first filter phase separator 2 through a conveying pipe, one of the outlets of the first filter phase separator 2 is connected to one of the inlets of the second Jin Yu reactor 3 through a conveying pipe, the outlet of the second Jin Yu reactor 3 is connected to the inlet of the second filter phase separator 4 through a conveying pipe, and a pump is installed on the conveying pipe.

[0029] The outlet of the third Jin Yu reactor 5 is connected to the inlet of the third filter phase separator 6 through a conveying pipe, one of the outlets of the third filter phase separator 6 is connected to one of the inlets of the fourth Jin Yu reactor 7 through a conveying pipe, the outlet of the fourth Jin Yu reactor 7 is connected to the inlet of the fourth filter phase separator 8 through a conveying pipe, and a pump is installed on the conveying pipe.

[0030] The outlet of the second filtering phase separator 4 is connected to the first Jinyu reactor 1 through a delivery pipeline, and a pump is installed on the delivery pipeline.

[0031] Another inlet of the first Jinyu reactor 1 is connected to the water extract, another outlet of the second Jinyu reactor 3 is connected to the P204 extractant, and another inlet of the third Jinyu reactor 5 and the fourth Jinyu reactor 7 are both connected to hydrochloric acid.

[0032] Working principle: This kind of extraction production equipment for rare earth production, the upper tube in each Jinyu reactor cavity is narrowed and sleeved in the lower tube, the water extract and the P204 extractant enter the first Jinyu reactor 1 at the same time, the water extract and the P204 extractant enter the Jinyu reactor cavity and mix at the channel interface, after the mixing is completed, flow out from the lower outlet and then enter the first filter phase separator 2 through the delivery pipeline and pump for phase separation, the products are rare earth-containing water phase and rare earth-containing organic phase;

[0033] The filter phase separator adopts a support rod float design, which uses the different densities of different liquids to produce stratification. Due to the different densities, the material containing the rare earth organic phase flows out from the upper port of the filter phase separator, and the material containing the rare earth aqueous phase flows out from the lower port of the first filter phase separator, thereby achieving the purpose of liquid separation. At the outlet of each filter phase separator, a liquid outlet plug is provided, and the float is suspended between the upper and lower liquids, so that after the liquid is discharged, it moves up and down with the stratification of the liquid surface, further controlling the position of the liquid outlet plug;

[0034] The rare earth-containing aqueous phase enters the second Jinyu reactor 3 through a delivery pipeline, and a P204 extractant is added to the second Jinyu reactor 3. The rare earth-containing aqueous phase material flowing out from the lower outlet of the first filter phase separator 2 then enters the second Jinyu reactor 3 and is mixed and extracted again with the P204 extractant, and the rare earth elements that have not been completely extracted in the aqueous phase are further extracted into the organic phase;

[0035] After phase separation through the second filter phase separator 4, the wastewater is discharged and subsequently neutralized. The rare earth-containing organic phase enters the first Jinyu reactor 1 again to supplement the organic phase and is extracted again. The wastewater flows out from the lower port of the second filter phase separator 4. This process uses the Jinyu reactor and the filter phase separator to produce rare earth-containing organic phase materials, which has the advantages of high extraction efficiency, low power consumption and small footprint;

[0036] The rare earth-containing organic phase enters the third Jinyu reactor 5 through a conveying pipeline and is fully mixed. Hydrochloric acid is added to the third Jinyu reactor 5, and then enters the third filtering phase separator 6 for liquid separation. The product is rare earth chloride and a small amount of rare earth-containing organic phase. The rare earth organic phase that has not been extracted enters the fourth Jinyu reactor 7, and hydrochloric acid is added thereto for mixing. After mixing, it is passed into the fourth filtering phase separator 8. Rare earth chloride flows out from the lower port of the fourth filtering phase separator 8, and the organic phase flows out from the upper port of the fourth filtering phase separator 8 to supplement the front-end extractant, thereby realizing the recycling of the extractant. The rare earth chloride after two strippings enters the next process. This process uses the Jinyu reactor and the filtering phase separator to produce rare earth chloride. Both processes use the Jinyu reactor and the filtering phase separator to realize the continuous production of rare earth chloride, which has the advantages of low production cost, high degree of automation, simple operation, high extraction efficiency, low power consumption, and small footprint.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An extraction production equipment for rare earth production, comprising a first Jinyu reactor (1) and a third Jinyu reactor (5), characterized in that: The first Jinyu reactor (1) is provided with a first filter phase separator (2), a second Jinyu reactor (3) and a second filter phase separator (4) in sequence on the right side thereof, and the third Jinyu reactor (5) is provided with a third filter phase separator (6), a fourth Jinyu reactor (7) and a fourth filter phase separator (8) in sequence on the right side thereof; The outlet of the first filter phase separator (2) is connected to the inlet of the third Jin Yu reactor (5) through a delivery pipeline, and the outlet of the fourth filter phase separator (8) is connected to the inlet of the second Jin Yu reactor (3) through a delivery pipeline, and a pump is installed on the delivery pipeline.

2. The extraction production equipment for rare earth production according to claim 1, characterized in that: The first Jinyu reactor (1), the second Jinyu reactor (3), the third Jinyu reactor (5) and the fourth Jinyu reactor (7) are provided with two inlets on the top surface and one outlet on the bottom surface.

3. The extraction production equipment for rare earth production according to claim 2, characterized in that: The first filter phase separator (2), the second filter phase separator (4), the third filter phase separator (6) and the fourth filter phase separator (8) are provided with an inlet on the top surface and two outlets on the bottom surface.

4. The extraction production equipment for rare earth production according to claim 3, characterized in that: The outlet of the first Jin Yu reactor (1) is connected to the inlet of the first filter phase separator (2) through a conveying pipeline, one of the outlets of the first filter phase separator (2) is connected to one of the inlets of the second Jin Yu reactor (3) through a conveying pipeline, and the outlet of the second Jin Yu reactor (3) is connected to the inlet of the second filter phase separator (4) through a conveying pipeline, and a pump is installed on the conveying pipeline.

5. The extraction production equipment for rare earth production according to claim 4, characterized in that: The outlet of the third Jin Yu reactor (5) is connected to the inlet of the third filter phase separator (6) through a conveying pipeline, one of the outlets of the third filter phase separator (6) is connected to one of the inlets of the fourth Jin Yu reactor (7) through a conveying pipeline, the outlet of the fourth Jin Yu reactor (7) is connected to the inlet of the fourth filter phase separator (8) through a conveying pipeline, and a pump is installed on the conveying pipeline.

6. The extraction production equipment for rare earth production according to claim 1, characterized in that: The outlet of the second filtering phase separator (4) is connected to the first Jinyu reactor (1) via a delivery pipeline, and a pump is installed on the delivery pipeline.

7. The extraction production equipment for rare earth production according to claim 1, characterized in that: Another inlet of the first Jin Yu reactor (1) is connected to the water extract, another outlet of the second Jin Yu reactor (3) is connected to the P204 extractant, and another inlet of the third Jin Yu reactor (5) and the fourth Jin Yu reactor (7) are both connected to hydrochloric acid.

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