Device for filtering ammonium bicarbonate solution in carbon precipitation rare earth

Abstract

The utility model discloses a device for filtering ammonium bicarbonate solution in carbon precipitation rare earth, and particularly relates to the field of refined ammonium bicarbonate solution, which comprises a base, a dissolving tank, a plate-and-frame filter press and a clear liquid tank are fixedly mounted at the upper end of the base, the plate-and-frame filter press is positioned on the right side of the dissolving tank, and the clear liquid tank is positioned on the right side of the plate-and-frame filter press; the right discharging end of the bottom of the dissolving tank is fixedly communicated with a first feeding pipe, the other end of the first feeding pipe is fixedly communicated with the left feeding end of the filter, the lower end of the discharging end of the bottom of the filter is fixedly communicated with a third discharging pipe, and the other end of the third discharging pipe is fixedly communicated with the feeding end of the slurry tank. According to the utility model, pure water is adopted for dissolution, and then an automatic backwashing surface filter is used for precise filtration, so that the problem that agricultural ammonium bicarbonate is high in impurity content due to the fact that clean water or deionized water is directly adopted for dissolution in the prior art is solved, and the agricultural ammonium bicarbonate belongs to a fertilizer grade, is high in impurity content and is not suitable for being used as a rare earth carbon precipitation agent.

Description

Technical Field

[0001] The utility model relates to the field of refined ammonium carbonate solution, in particular to a filtering device for ammonium carbonate solution in carbon-precipitated rare earth. Background Art

[0002] Ammonium carbonate solution is required as a rare earth carbon precipitation agent in the carbon precipitation of rare earths.

[0003] In the prior art, clean water or deionized water is directly used to dissolve agricultural ammonium carbonate. However, since agricultural ammonium carbonate is of fertilizer grade and contains high impurities, it is not suitable for use as a rare earth carbon precipitator.

[0004] Therefore, we have made improvements on this and proposed a filtering device for ammonium carbonate solution in carbon-precipitated rare earth. Utility Model Content

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

[0006] The utility model discloses a carbon ammonium solution filtering device in carbon precipitation rare earth, comprising a base, a dissolution tank, a plate-frame filter press and a clear liquid tank are fixedly installed on the upper end of the base, and the plate-frame filter press is located on the right side of the dissolution tank, and the clear liquid tank is located on the right side of the plate-frame filter press;

[0007] The right end of the bottom of the dissolving tank is fixedly connected with a first feed pipe, the other end of the first feed pipe is fixedly connected with the left end of the filter feed end, the lower end of the bottom discharge end of the filter is fixedly connected with a third discharge pipe, the other end of the third discharge pipe is fixedly connected with the feed end of the slurry tank, the slurry tank is fixedly installed on the upper end of the plate and frame filter press, the top discharge end of the filter is fixedly connected with the first discharge pipe, the other end of the first discharge pipe is fixedly connected with the feed end of the upper end of the clear liquid tank;

[0008] The lower discharge end of the slurry tank is fixedly connected to the upper feed end of the plate and frame filter press through a connecting pipe, the bottom discharge end of the plate and frame filter press is fixedly connected to the right feed end of the filter through a second feed pipe, and the bottom right discharge end of the clear liquid tank is fixedly connected to the second discharge pipe.

[0009] As a preferred technical solution of the utility model, the second feed pipe runs through the slurry tank, and a sealing rubber ring is provided between the second feed pipe and the slurry tank.

[0010] As a preferred technical solution of the utility model, the lower end of the filter is fixedly connected to the upper end surface of the slurry tank through a plurality of support rods.

[0011] As a preferred technical solution of the utility model, a liquid feed pump is fixedly installed on the first feed pipe, and the liquid feed pump is fixedly installed on the upper end surface of the base.

[0012] As a preferred technical solution of the utility model, a liquid discharge pump is fixedly installed on the second discharge pipe, and the liquid discharge pump is fixedly installed on the upper end surface of the base.

[0013] As a preferred technical solution of the utility model, a drive motor is fixedly installed in the middle of the upper end of the dissolution tank, the lower end of the drive motor output shaft passes through the top of the dissolution tank and extends into the inside of the dissolution tank, and a plurality of stirring blades are symmetrically fixedly installed on the left and right ends of the bottom of the drive motor output shaft.

[0014] As a preferred technical solution of the utility model, a feeding port is provided at the upper end of the dissolving tank, and a cover plate is installed at the feeding port.

[0015] The beneficial effects of the utility model are:

[0016] The device for filtering the ammonium carbonate solution in the carbonized rare earth adopts pure water to dissolve, and then uses an automatic backwashing surface filter for precise filtration, and the filtrate is used for rare earth carbon precipitation agent to purify the carbonized rare earth. This solves the problem that the prior art directly adopts clean water or deionized water to dissolve agricultural ammonium carbonate, because agricultural ammonium carbonate belongs to fertilizer grade and contains high impurities and is not suitable for use as a rare earth carbon precipitation agent.

[0017] The utility model has the function of refining the ammonium carbonate solution and can solve the purity problem of the carbon precipitation rare earth raw material. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] 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:

[0019] Figure 1 It is a stereoscopic diagram of a device for filtering ammonium carbonate solution in carbon-precipitated rare earth of the utility model;

[0020] Figure 2 The utility model is a front view of a device for filtering ammonium carbonate solution in carbon-precipitated rare earth.

[0021] In the figure: 1. base; 2. dissolution tank; 3. first feed pipe; 4. filter; 5. first discharge pipe; 6. second discharge pipe; 7. liquid discharge pump; 8. clear liquid tank; 9. slurry tank; 10. plate and frame filter press; 11. liquid feed pump; 12. third discharge pipe; 13. second feed pipe. DETAILED DESCRIPTION

[0022] 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.

[0023] like Figure 1-2As shown, the utility model is a carbon ammonium solution filtering device in carbon precipitation rare earth, comprising a base 1, a dissolution tank 2, a plate-frame filter press 10 and a clear liquid tank 8 are fixedly installed on the upper end of the base 1, and the plate-frame filter press 10 is located on the right side of the dissolution tank 2, and the clear liquid tank 8 is located on the right side of the plate-frame filter press 10;

[0024] The right bottom discharge end of the dissolving tank 2 is fixedly connected to a first feed pipe 3, the other end of the first feed pipe 3 is fixedly connected to the left feed end of the filter 4, the lower end of the bottom discharge end of the filter 4 is fixedly connected to a third discharge pipe 12, the other end of the third discharge pipe 12 is fixedly connected to the feed end of a slurry tank 9, the slurry tank 9 is fixedly installed on the upper end of a plate and frame filter press 10, the top discharge end of the filter 4 is fixedly connected to a first discharge pipe 5, the other end of the first discharge pipe 5 is fixedly connected to the upper feed end of a clear liquid tank 8; the filter 4 is an automatic backwashing surface filter.

[0025] The lower discharge end of the slurry tank 9 is fixedly connected to the upper feed end of the plate and frame filter press 10 through a connecting pipe, the bottom discharge end of the plate and frame filter press 10 is fixedly connected to the right feed end of the filter 4 through a second feed pipe 13, and the bottom right discharge end of the clear liquid tank 8 is fixedly connected to the second discharge pipe 6.

[0026] In this embodiment, the second feed pipe 13 passes through the slurry tank 9, and a sealing rubber ring is provided between the second feed pipe 13 and the slurry tank 9. Through the above design, the sealing effect between the second feed pipe 13 and the slurry tank 9 can be improved.

[0027] The lower end of the filter 4 is fixedly connected to the upper end surface of the slurry tank 9 through a plurality of support rods.

[0028] A liquid inlet pump 11 is fixedly mounted on the first feed pipe 3 , and the liquid inlet pump 11 is fixedly mounted on the upper end surface of the base 1 . By starting the liquid inlet pump 11 , the agricultural carbon ammonia solution in the soluble pool 2 enters the filter 4 through the first feed pipe 3 .

[0029] A liquid discharge pump 7 is fixedly mounted on the second discharge pipe 6, and the liquid discharge pump 7 is fixedly mounted on the upper end surface of the base 1. By starting the liquid discharge pump 7, the filtered liquid in the clear liquid tank 8 can be discharged through the second discharge pipe 6, and the discharged filtered liquid can be used for carbon precipitation of rare earth.

[0030] A driving motor is fixedly installed in the middle of the upper end of the dissolution tank 2, and the lower end of the driving motor output shaft passes through the top of the dissolution tank 2 and extends into the inside of the dissolution tank 2. A plurality of stirring blades are symmetrically fixedly installed at the left and right ends of the bottom of the driving motor output shaft. By starting the driving motor, the stirring blades can be driven to rotate, and the rotating stirring blades can stir the agricultural carbon ammonia and pure water, thereby improving the dissolution effect of the agricultural carbon ammonia.

[0031] A charging port is provided at the upper end of the dissolving tank 2, and a cover plate is installed at the charging port. When the cover plate is opened, agricultural carbon ammonia and pure water can be poured into the dissolving tank 2 through the charging port.

[0032] The agricultural carbon ammonia solution entering the filter 4 can be filtered therein, and the filtrate produced by the filtration enters the clear liquid tank 8 through the first discharge pipe 5. The filter residue produced by the filtration can enter the slurry tank 9 through the third discharge pipe 12. The slurry tank 9 can allow the filter residue to enter the plate and frame filter press 10 through the connecting pipe. The plate and frame filter press 10 can filter the filter residue, and the clear liquid produced by the filtration enters the filter 4 through the second feed pipe 13 for further filtration treatment.

[0033] After the agricultural carbon ammonia is dissolved in pure water, the impurities in the carbon ammonia are further removed, and then filtered, and the filtrate is used for carbon precipitation of rare earths. The filter residue enters the plate and frame filter press, and the plate and frame clear liquid enters the filter 4 for filtration.

[0034] 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. A device for filtering ammonium carbonate solution in carbon precipitation rare earth, characterized in that: The invention comprises a base (1), wherein a dissolution tank (2), a plate-frame filter press (10) and a clear liquid tank (8) are fixedly mounted on the upper end of the base (1), wherein the plate-frame filter press (10) is located on the right side of the dissolution tank (2), and the clear liquid tank (8) is located on the right side of the plate-frame filter press (10); The right bottom discharge end of the dissolving tank (2) is fixedly connected to a first feed pipe (3), the other end of the first feed pipe (3) is fixedly connected to the left feed end of the filter (4), the lower end of the bottom discharge end of the filter (4) is fixedly connected to a third discharge pipe (12), the other end of the third discharge pipe (12) is fixedly connected to the feed end of a slurry tank (9), the slurry tank (9) is fixedly mounted on the upper end of the plate and frame filter press (10), the top discharge end of the filter (4) is fixedly connected to a first discharge pipe (5), the other end of the first discharge pipe (5) is fixedly connected to the upper feed end of the clear liquid tank (8); The lower discharge end of the slurry tank (9) is fixedly connected to the upper feed end of the plate and frame filter press (10) via a connecting pipe, the bottom discharge end of the plate and frame filter press (10) is fixedly connected to the right feed end of the filter (4) via a second feed pipe (13), and the bottom right discharge end of the clear liquid tank (8) is fixedly connected to the second discharge pipe (6).

2. The device for filtering ammonium carbonate solution in carbon-precipitated rare earth according to claim 1, characterized in that: The second feed pipe (13) passes through the slurry tank (9), and a sealing rubber ring is provided between the second feed pipe (13) and the slurry tank (9).

3. The device for filtering ammonium carbonate solution in carbon-precipitated rare earth according to claim 2, characterized in that: The lower end of the filter (4) is fixedly connected to the upper end surface of the slurry tank (9) via a plurality of support rods.

4. The device for filtering ammonium carbonate solution in carbon-precipitated rare earth according to claim 3, characterized in that: A liquid feed pump (11) is fixedly mounted on the first feed pipe (3), and the liquid feed pump (11) is fixedly mounted on the upper end surface of the base (1).

5. The device for filtering ammonium carbonate solution in carbon-precipitated rare earth according to claim 4, characterized in that: A liquid discharge pump (7) is fixedly mounted on the second discharge pipe (6), and the liquid discharge pump (7) is fixedly mounted on the upper end surface of the base (1).

6. The device for filtering ammonium carbonate solution in carbon-precipitated rare earth according to claim 5, characterized in that: A drive motor is fixedly mounted in the middle of the upper end of the dissolving tank (2); the lower end of the drive motor output shaft passes through the top of the dissolving tank (2) and extends into the inside of the dissolving tank (2); and a plurality of stirring blades are symmetrically fixedly mounted at the left and right ends of the bottom of the drive motor output shaft.

7. The device for filtering ammonium carbonate solution in carbon-precipitated rare earth according to claim 6, characterized in that: A feeding port is provided at the upper end of the dissolving tank (2), and a cover plate is installed at the feeding port.

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