Salt lake brine filtering and purifying equipment

Abstract

The utility model relates to the technical field of salt lake brine filtering and purifying, in particular to salt lake brine filtering and purifying equipment which comprises an equipment body, a liquid inlet pump is installed on the right side of the top of the equipment body, a fine filtering and purifying tank and a rough filtering tank are sequentially installed on the left side of the top of the equipment body, and a second top cover is installed on the top of the fine filtering and purifying tank. A discharging valve pipe is installed on the lower edge of the front face of the refined filtration and purification tank, an infusion pump is installed on the back face of the refined filtration and purification tank, a second feeding valve pipe is installed at the end, away from the refined filtration and purification tank, of the infusion pump, and a second clamping base and a third clamping base are sequentially installed on the inner wall of the refined filtration and purification tank from top to bottom; the high-purity and high-efficiency lithium purification device disclosed by the utility model not only is simple in structure, but also is provided with a multi-stage independent fine filtering structure, so that the high-purity and high-efficiency lithium purification production and use with sufficient impurity removal are ensured, and the high-purity and high-efficiency lithium purification device is very practical.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering and purifying salt lake brine, in particular to a salt lake brine filtering and purifying device. Background Art

[0002] Salt lake brine filtration and purification equipment is used to extract purified lithium from salt lake brine. The extracted lithium solution is further purified and finely processed to obtain high-purity lithium products.

[0003] In the prior art, the lithium liquid obtained by the salt lake brine lithium extraction equipment is further filtered and purified by the salt lake brine filtration and purification equipment to remove impurities and achieve the required purity. The existing salt lake brine filtration and purification equipment usually has a single filtration structure to filter and purify impurities once, and it does not have a multi-stage independent fine filtration structure, so it cannot guarantee the high-purity extraction effect of lithium with sufficient impurities removal.

[0004] Therefore, it is necessary to design a salt lake brine filtering and purification equipment to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a salt lake brine filtration and purification device to improve the salt lake brine filtration and purification device with a multi-stage independent fine filtration structure to ensure efficient and high-purity production of lithium with sufficient impurity removal and extraction, thereby solving the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A salt lake brine filtering and purification device comprises a device body, a liquid inlet pump is installed on the right side of the top of the device body, a fine filtration and purification tank and a coarse filtration tank are installed in sequence on the left side of the top of the device body, a second top cover is installed on the top of the fine filtration and purification tank, a discharge valve pipe is installed on the lower edge of the front of the fine filtration and purification tank, a liquid pump is installed on the back of the fine filtration and purification tank, a second feed valve pipe is installed on the end of the liquid pump away from the fine filtration and purification tank, a second holder and a third holder are installed in sequence on the inner wall of the fine filtration and purification tank from top to bottom, and the top of the second holder is installed A fine filtration and purification structure is installed on the top of the third holder, the top of the coarse filter tank is installed with a first top cover, the top center of the first top cover is installed with a first feed valve pipe, the first feed valve pipe and the liquid feed pump are connected through a first connecting pipe, a first holder is provided inside the coarse filter tank, a filter basket is embedded and installed on the top of the first holder, a discharge valve pipe is installed on the lower edge of the back side of the coarse filter tank, a second connecting pipe is installed between the discharge valve pipe and the second feed valve pipe, and a controller is installed on the rear edge of the right side of the top of the equipment body.

[0008] As a preferred solution of the utility model, the outer upper edges of the coarse filtration tank and the fine filtration purification tank are both annularly distributed with flip buckles for locking the first top cover and the second top cover, and the outer edges of the first top cover and the second top cover are provided with clamping grooves with sizes matching those of the flip buckles for fixing.

[0009] As a preferred solution of the utility model, a plurality of drainage holes are arranged in a circular shape with equal intervals on one side of the top of the third holder close to the inner wall of the fine filtration and purification tank.

[0010] As a preferred solution of the utility model, the bottom of the liquid pump is fixedly mounted on the top of the equipment body through a mounting column.

[0011] As a preferred solution of the utility model, the fine filtration and purification structure includes a liquid outlet cylinder, a filter screen and an adsorption and purification filter element. The outer spiral ring distribution of the liquid outlet cylinder is provided with a plurality of liquid outlet holes, and the interior of the fine filtration and purification structure is provided with a plurality of filter screens on the inner side of the liquid outlet cylinder, and an adsorption and purification filter element is filled between adjacent sides of the plurality of filter screens.

[0012] As a preferred solution of the utility model, the controller is provided with a display screen and multiple control buttons, and the controller is electrically connected to the liquid inlet pump, the first feed valve pipe, the discharge valve pipe, the second feed valve pipe, the discharge valve pipe and the liquid suction pump.

[0013] Beneficial effect: In view of the problem that the salt lake brine filtering and purification equipment in the prior art does not have a multi-stage independent fine filtering structure and cannot ensure the improvement of efficient and high-purity production of lithium after sufficient impurity removal and extraction, in the utility model, a coarse filtering tank provided in the equipment body cooperates with a liquid inlet pump, so that the impurity-containing lithium liquid can be automatically transported to a coarse filtering tank with a filter basket for a primary filtering and impurity removal treatment, and the solution after the coarse filtration and impurity removal is transported to a fine filtration purification tank by a provided liquid pump, and a fine filtration purification structure is formed by a liquid outlet cylinder, a multi-layer filter screen and an adsorption purification filter element arranged inside the fine filtration purification tank, and a secondary fine filtration and purification treatment is performed to obtain a high-purity purified lithium liquid. The utility model has a simple structure and has a multi-stage independent fine filtration structure, thereby ensuring the production and use of high-purity and efficient lithium purification with sufficient impurities removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an overall stereogram of a salt lake brine filtering and purification device of the utility model;

[0015] Figure 2 This is a schematic diagram of the overall internal structure of a salt lake brine filtering and purification device of the utility model;

[0016] Figure 3 It is a structural schematic diagram of a discharge valve pipe, a second feed valve pipe, a liquid pump, and a second connecting pipe in a salt lake brine filtering and purification device of the utility model;

[0017] Figure 4 It is a structural schematic diagram of a fine filtration and purification structure in a salt lake brine filtration and purification device of the utility model.

[0018] In the figure: 1. Equipment body; 2. Liquid inlet pump; 3. Coarse filter tank; 31. First top cover; 32. First feed valve pipe; 33. Discharge valve pipe; 34. First holder; 4. Fine filtration and purification tank; 41. Second top cover; 42. Second feed valve pipe; 43. Discharge valve pipe; 44. Second holder; 45. Third holder; 451. Liquid discharge hole; 5. First connecting pipe; 6. Liquid suction pump; 7. Second connecting pipe; 8. Filter basket; 9. Fine filtration and purification structure; 91. Liquid discharge cylinder; 92. Filter screen; 93. Adsorption and purification filter element; 10. Controller. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant literature, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0023] See also Figure 1-4 , the utility model provides a technical solution:

[0024] A salt lake brine filtering and purification device comprises a device body 1, a liquid inlet pump 2 is installed on the right side of the top of the device body 1, a fine filtration and purification tank 4 and a coarse filtration tank 3 are installed in sequence on the left side of the top of the device body 1, a second top cover 41 is installed on the top of the fine filtration and purification tank 4, a discharge valve pipe 43 is installed on the lower edge of the front of the fine filtration and purification tank 4, a liquid pump 6 is installed on the back of the fine filtration and purification tank 4, the bottom of the liquid pump 6 is fixedly installed on the top of the device body 1 through an installation column, a second feed valve pipe 42 is installed on the end of the liquid pump 6 away from the fine filtration and purification tank 4, a second card seat 44 and a third card seat 45 are installed on the inner wall of the fine filtration and purification tank 4 from top to bottom, the top of the second card seat 44 is embedded in and clamped on the top of the third card seat 45, and a fine filtration and purification structure 9 is installed, and the top of the third card seat 45 is close to the inner wall of the fine filtration and purification tank 4. A plurality of drainage holes 451 are arranged in an annular manner with equal intervals on one side of the wall. A first top cover 31 is installed on the top of the coarse filter tank 3. A first feed valve pipe 32 is installed at the top center of the first top cover 31. A first connecting pipe 5 is connected between the first feed valve pipe 32 and the liquid inlet pump 2. A first clamping seat 34 is provided inside the coarse filter tank 3. A filter basket 8 is embedded in the top of the first clamping seat 34. A discharge valve pipe 33 is installed on the lower edge of the back of the coarse filter tank 3. A second connecting pipe 7 is installed between the discharge valve pipe 33 and the second feed valve pipe 42. A controller 10 is installed on the rear edge of the top right side of the equipment body 1. The controller 10 is provided with a display screen and a plurality of control buttons, and the controller 10 is electrically connected to the liquid inlet pump 2, the first feed valve pipe 32, the discharge valve pipe 33, the second feed valve pipe 42, the discharge valve pipe 43 and the liquid pump 6.

[0025] Specifically, the fine filtration and purification structure 9 includes a liquid outlet cylinder 91, a filter screen 92 and an adsorption purification filter element 93. The outer spiral ring distribution of the liquid outlet cylinder 91 is provided with a plurality of liquid outlet holes, and the interior of the fine filtration and purification structure 9 is provided with a plurality of filter screens 92 on the inner side of the liquid outlet cylinder 91, and an adsorption purification filter element 93 is filled between adjacent sides of the plurality of filter screens 92. The coarse filter tank 3 provided in the main body of the equipment 1 cooperates with the liquid inlet pump 2, so that the lithium liquid containing impurities can be automatically transported to the coarse filter tank 3 with the filter basket 8 for a filtering and impurity removal treatment, and the solution after the coarse filtration and impurity removal is transported to the fine filtration and purification tank 4 through the provided liquid pump 6, and the fine filtration and purification structure 9 is formed by the internal arrangement of the fine filtration and purification tank 4 using the liquid outlet cylinder 91, the multi-layer filter screen 92 and the adsorption purification filter element 93, and a secondary fine filtration and purification treatment is performed to obtain a high-purity purified lithium liquid.

[0026] Preferably, the outer upper edges of the coarse filtration tank 3 and the fine filtration purification tank 4 are both annularly distributed with the first top cover 31 and the second top cover 41 locked with flip buckles, and the outer edges of the first top cover 31 and the second top cover 41 are provided with clamping grooves of matching size for fixing with the flip buckles. By providing the first top cover 31 and the second top cover 41 that can be locked open / closed, it is convenient to clean and replace the filter basket 8 and the fine filtration purification structure 9 inside the coarse filtration tank 3 and the fine filtration purification tank 4, thereby ensuring the filtering effect.

[0027] In summary, the utility model is not only simple in structure but also has a multi-stage independent fine filtering structure, thereby ensuring high-purity and high-efficiency lithium purification production with sufficient impurities removed, and is very practical.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A salt lake brine filtering and purification device, comprising a device body (1), characterized in that A liquid inlet pump (2) is installed on the right side of the top of the equipment body (1), a fine filtration and purification tank (4) and a coarse filtration tank (3) are installed in sequence on the left side of the top of the equipment body (1), a second top cover (41) is installed on the top of the fine filtration and purification tank (4), a discharge valve pipe (43) is installed on the lower edge of the front of the fine filtration and purification tank (4), a liquid extraction pump (6) is installed on the back of the fine filtration and purification tank (4), and a second feed valve pipe (42) is installed at the end of the liquid extraction pump (6) away from the fine filtration and purification tank (4), and a second clamping seat (44) and a third clamping seat (45) are installed in sequence on the inner wall of the fine filtration and purification tank (4) from top to bottom, and the top of the second clamping seat (44) is embedded in and clamped on the third clamping seat (45). A fine filtration and purification structure (9) is installed on the top of the coarse filtration tank (3), a first top cover (31) is installed on the top of the coarse filtration tank (3), a first feed valve pipe (32) is installed at the center of the top of the first top cover (31), a first connecting pipe (5) is connected between the first feed valve pipe (32) and the liquid feed pump (2), a first card seat (34) is provided inside the coarse filtration tank (3), a filter basket (8) is embedded in the top of the first card seat (34), a discharge valve pipe (33) is installed on the lower edge of the back of the coarse filtration tank (3), a second connecting pipe (7) is installed between the discharge valve pipe (33) and the second feed valve pipe (42), and a controller (10) is installed on the rear edge of the right side of the top of the equipment body (1).

2. A salt lake brine filtering and purification equipment according to claim 1, characterized in that: The outer upper edges of the coarse filtration tank (3) and the fine filtration purification tank (4) are both annularly distributed with flip buckles for locking the first top cover (31) and the second top cover (41), and the outer edges of the first top cover (31) and the second top cover (41) are both provided with clamping grooves with sizes matching those of the flip buckles for fixing.

3. The salt lake brine filtering and purification equipment according to claim 1, characterized in that: A plurality of drainage holes (451) are provided at equal intervals in a circular pattern on the top of the third holder (45) and close to the inner wall of the fine filtration and purification tank (4).

4. The salt lake brine filtering and purification equipment according to claim 1, characterized in that: The bottom of the liquid pump (6) is fixedly mounted on the top of the equipment body (1) via a mounting column.

5. The salt lake brine filtering and purification equipment according to claim 1, characterized in that: The fine filtration and purification structure (9) comprises a liquid outlet cylinder (91), a filter screen (92) and an adsorption and purification filter element (93); a plurality of liquid outlet holes are arranged in a spiral ring-shaped distribution on the outer periphery of the liquid outlet cylinder (91); a plurality of filter screens (92) are sleeved and installed inside the fine filtration and purification structure (9) and located on the inner side of the liquid outlet cylinder (91); and an adsorption and purification filter element (93) is filled between adjacent sides of the plurality of filter screens (92).

6. The salt lake brine filtering and purification equipment according to claim 1, characterized in that: The controller (10) is provided with a display screen and a plurality of control buttons, and the controller (10) is electrically connected to the liquid inlet pump (2), the first feed valve pipe (32), the discharge valve pipe (33), the second feed valve pipe (42), the discharge valve pipe (43) and the liquid suction pump (6).

Images