Special reverse osmosis device for extracting lithium from salt lake brine

Abstract

The utility model relates to the technical field of lithium extraction from salt lake brine, in particular to a special reverse osmosis device for lithium extraction from salt lake brine, which comprises a high-pressure pump, a conveying pipeline, a reverse osmosis component, a controller and cleaning equipment for cleaning the reverse osmosis component, the cleaning equipment comprises an inner wall abutting assembly, a walking assembly and a cleaning assembly, the cleaning assembly comprises a cleaning high-pressure spray head and a cleaning motor, the outer circumferential wall of the side, away from the water outlet, of the cleaning high-pressure spray head is sleeved with a bearing, and the outer circumferential wall of the side, away from the water outlet, of the bearing is sleeved with a rotating gear; one side of the rotating gear is in meshed connection with a cleaning driving gear, and the cleaning driving gear is connected with the output end of a cleaning motor; the cleaning equipment is arranged to clean the interior of the shell of the salt lake brine lithium extraction reverse osmosis membrane, so that the cleaning efficiency can be improved, the equipment can be protected, the stability of the system can be maintained, and the long-term cost can be saved.

Description

Technical Field

[0001] The utility model relates to the technical field of extracting lithium from salt lake brine, and specifically relates to a reverse osmosis device dedicated to extracting lithium from salt lake brine. Background Technique

[0002] Salt lake brine contains rich lithium resources, featuring large resource reserves and low extraction costs.

[0003] The reverse osmosis technology for extracting lithium from salt lake brine is an efficient lithium extraction process applicable to salt lakes with a high magnesium-lithium ratio. This technology utilizes the selective permeability of the reverse osmosis membrane to ions to separate lithium ions from other impurity ions, thereby achieving the goal of extracting lithium from salt lake brine.

[0004] When the reverse osmosis membrane for extracting lithium from salt lake brine works, it is a process of separating low-concentration solvent from a high-concentration solution by applying external pressure to the reverse osmosis membrane. The aperture of the reverse osmosis membrane is very small, allowing only water molecules and some mineral ions to pass through;

[0005] After the reverse osmosis membrane works for a period of time, it needs to be cleaned. The existing cleaning methods are generally divided into two types: one is physical cleaning, and the other is chemical cleaning. The cleaning process is to disassemble the reverse osmosis and clean it with chemical agents or rinse it by physical pressure. However, many existing enterprises often neglect to thoroughly clean the reverse osmosis membrane housing when cleaning the reverse osmosis membrane body, resulting in a decline in the overall performance of the system. Content of the Utility Model

[0006] The purpose of the utility model is to provide a reverse osmosis device dedicated to extracting lithium from salt lake brine to solve the problems raised in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solutions:

[0008] A reverse osmosis device dedicated to extracting lithium from salt lake brine includes a high-pressure pump, a conveying pipeline, a reverse osmosis component, a controller, and a cleaning device for cleaning the reverse osmosis component. The reverse osmosis component includes a reverse osmosis membrane and a housing that wraps the outside of the reverse osmosis membrane. The cleaning device is movably located inside the housing. The cleaning device includes an inner wall abutting component, a walking component, and a cleaning component. The cleaning component includes a cleaning high-pressure nozzle and a cleaning motor. A bearing is sleeved on the outer circumferential wall of the side of the cleaning high-pressure nozzle away from the water outlet. A rotating gear is fixedly sleeved on the outer circumferential wall of the cleaning high-pressure nozzle on the side of the bearing away from the water outlet. One side of the rotating gear is meshed with a cleaning driving gear, and the cleaning driving gear is connected to the output end of the cleaning motor.

[0009] As a preferred solution of the utility model, the inner wall abutting component includes a fixing frame, the fixing frame is arranged in a triangular structure, two sets of rotating shaft seats are symmetrically and rotatably connected to the outer wall of the fixing frame with a shaft rod frame, the ends of the shaft rod frame far away from the fixing frame are connected by a fixing plate, and the walking component is located on each fixing plate.

[0010] As a preferred solution of the utility model, the bearing is fixedly connected to the fixing frame, the water outlet of the cleaning high-pressure nozzle is located at the front side of the fixing frame, the water inlet of the cleaning high-pressure nozzle penetrates and extends inside the fixing frame, and the cleaning motor is fixedly located inside the fixing frame.

[0011] As a preferred solution of the utility model, the walking component includes a walking shaft rod, a shaft box, a walking wheel, a walking driven gear, a walking driving gear and a walking motor. The shaft box is fixedly located on the fixing plate. One end of the walking shaft rod penetrates the shaft box and extends to the outside thereof. The walking wheel is fixedly connected to the end of the walking shaft rod outside the fixing plate. The walking driven gear is fixedly sleeved on the outer circumferential wall of the walking shaft rod inside the shaft box. The walking driving gear is meshed inside the shaft box on one side of the walking driven gear. The walking motor is located inside the fixed shaft box, and the output end of the walking motor is connected to the walking driving gear.

[0012] As a preferred solution of the utility model, the walking wheel abuts against the inner wall of the housing.

[0013] As a preferred solution of the utility model, the high-pressure pump is connected to the water inlet of the cleaning high-pressure nozzle through a delivery pipeline.

[0014] As a preferred solution of the utility model, the controller is electrically connected to the high-pressure pump, the walking motor and the cleaning motor through wires.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] Aiming at the problems raised in the background art, the present application cleans the inside of the housing of the reverse osmosis membrane for extracting lithium from salt lake brine by setting up a cleaning device, which can not only improve the cleaning efficiency and protect the equipment, but also maintain the stability of the system and save long-term costs;

[0017] The automated cleaning device reduces the need for manual operation, reduces the risk of operation errors, improves the safety of the cleaning process. Cleaning the inside of the housing can prevent dirt and impurities from entering the reverse osmosis membrane, thereby extending the service life of the membrane and maintaining its performance;

[0018] Regular cleaning helps maintain the stability of the entire reverse osmosis system, avoid fluctuations in equipment performance caused by contamination of the inner wall of the housing, and can reduce the high maintenance or replacement costs caused by equipment failures;

[0019] During cleaning, place the cleaning device inside the housing, adjust the shaft rod frame so that the three sets of walking wheels connected to the fixed plate at the end of the shaft rod frame are in contact with the inner wall of the housing. Start the high-pressure pump, walking motor, and cleaning motor through the controller. At this time, the cleaning motor drives the cleaning high-pressure nozzle to rotate to clean the inner wall of the housing 360 degrees, and the walking motor drives the entire device to move forward on the inner wall of the housing. The structure is simple, the operation is convenient, and the cleaning device can be applied to the cleaning of the inner walls of housings with various diameters. Description of the Drawings

[0020] Figure 1 Schematic diagram of the connection between the high-pressure pump and the reverse osmosis module of the present utility model;

[0021] Figure 2 Schematic diagram of the reverse osmosis module of the present utility model;

[0022] Figure 3 Axonometric view of the connection between the inner wall contact component and the walking component of the present utility model;

[0023] Figure 4 Side view of the connection between the cleaning high-pressure nozzle and the cleaning motor of the present utility model;

[0024] Figure 5 Side view of the walking shaft rod and the walking motor of the present utility model.

[0025] In the figure: 1. High-pressure pump; 2. Delivery pipeline; 3. Reverse osmosis module; 31. Reverse osmosis membrane; 32. Housing; 5. Cleaning high-pressure nozzle; 51. Bearing; 52. Rotating gear; 53. Cleaning drive gear; 4. Fixed frame; 41. Rotating shaft seat; 42. Shaft rod frame; 43. Fixed plate; 6. Walking shaft rod; 61. Axle box; 62. Walking wheel; 63. Walking driven gear; 64. Walking driving gear. Detailed Embodiment

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model. Embodiment

[0027] All the devices in this application document adopt conventional models in the prior art. The control method is controlled through a controller. The control circuit of the controller can be realized by simple programming by those skilled in the art and belongs to the common knowledge in the art. Therefore, this application document will not be explained in detail.

[0028] Please refer to Figures 1-5, the present utility model provides a technical solution: a special reverse osmosis device for extracting lithium from salt lake brine, which includes a high-pressure pump 1, a delivery pipeline 2, a reverse osmosis module 3, a controller, and a cleaning device for cleaning the reverse osmosis module 3. The reverse osmosis module 3 includes a reverse osmosis membrane 31 and a housing 32 that wraps around the outside of the reverse osmosis membrane 31. The cleaning device is movably located inside the housing 32. The cleaning device includes an inner wall abutting component, a traveling component, and a cleaning component. The cleaning component includes a cleaning high-pressure nozzle 5 and a cleaning motor. A bearing 51 is sleeved on the outer circumferential wall of the cleaning high-pressure nozzle 5 on the side far from the water outlet. A rotating gear 52 is fixedly sleeved on the outer circumferential wall of the cleaning high-pressure nozzle 5 on the side of the bearing 51 far from the water outlet. One side of the rotating gear 52 is meshed and connected with a cleaning driving gear 53, and the cleaning driving gear 53 is connected to the output end of the cleaning motor; the high-pressure pump 1 is connected to the water inlet of the cleaning high-pressure nozzle 5 through the delivery pipeline 2; the controller is electrically connected to the high-pressure pump 1, the traveling motor, and the cleaning motor through wires.

[0029] It should be noted that in this embodiment, through the high-pressure pump 1 and the cleaning high-pressure nozzle 5, the device can strongly clean the inner wall of the housing 32, effectively removing dirt and deposits. The cleaning motor drives the cleaning driving gear 53 to rotate. The cleaning driving gear 53 is meshed and connected with the rotating gear 52, and the rotating gear 52 is fixed to the outer wall of the cleaning high-pressure nozzle 5. The cleaning motor drives the nozzle to rotate 360 degrees to ensure that every part of the inner wall of the housing 32 is cleaned without dead angles.

[0030] Please refer to Figure 2 , 3 and 5, the inner wall abutting component includes a fixing frame 4. The fixing frame 4 is arranged in a triangular structure. Two sets of rotating shaft seats 41 are symmetrically and rotatably connected to the outer wall of the fixing frame 4. A shaft rod frame 42 is connected between the ends of the shaft rod frame 42 far from the fixing frame 4 through a fixing plate 43. The traveling component is located on each fixing plate 43; the bearing 51 is fixedly connected to the fixing frame 4. The water outlet of the cleaning high-pressure nozzle 5 is located in front of the fixing frame 4, and the water inlet of the cleaning high-pressure nozzle 5 penetrates and extends inside the fixing frame 4. The cleaning motor is fixed inside the fixing frame 4; the traveling component includes a traveling shaft rod 6, a shaft box 61, traveling wheels 62, a traveling driven gear 63, a traveling driving gear 64, and a traveling motor. The shaft box 61 is fixed on the fixing plate 43. One end of the traveling shaft rod 6 penetrates the shaft box 61 and extends to its outside. The traveling wheels 62 are fixedly connected to the end of the traveling shaft rod 6 outside the fixing plate 43. The traveling driven gear 63 is fixedly sleeved on the outer circumferential wall of the traveling shaft rod 6 inside the shaft box 61. The traveling driving gear 64 is meshed inside the shaft box 61 on one side of the traveling driven gear 63. The traveling motor is located inside the fixed shaft box 61, and the output end of the traveling motor is connected to the traveling driving gear 64; the traveling wheels 62 abut against the inner wall of the housing 32.

[0031] It should be noted that in this embodiment, the cleaning device is placed inside the housing 32. The shaft rod holder 42 is adjusted so that the three sets of traveling wheels 62 connected to the fixing plate 43 at the end of the shaft rod holder 42 are in contact with the inner wall of the housing 32. When the inner wall diameter of the housing 32 to be cleaned is relatively large, the angle of the shaft rod holder 42 is adjusted so that the three sets of traveling wheels 62 are in contact with the inner wall of the housing 32. The structure is simple and the adjustment is convenient. The cleaning device can be applicable to the cleaning of the inner walls of housings 32 with various diameters;

[0032] Furthermore, when it is necessary to move forward for cleaning during the cleaning process, the controller controls the traveling motor. The traveling motor rotates, and the traveling driven gear 63 meshes with the traveling driving gear 64 connected to the traveling motor. The traveling driven gear 63 is connected to the traveling shaft rod 6, and both ends of the traveling shaft rod 6 are fixed to the traveling wheels 62. The traveling wheels 62 are driven by the traveling motor to move forward on the inner wall of the housing 32. The structure is simple, and the traveling and cleaning actions of the device are automatically completed by the controller, reducing manual operation and improving the cleaning efficiency and safety.

[0033] The working process of the present utility model:

[0034] When in use, the cleaning device is placed inside the housing 32. The shaft rod holder 42 is adjusted so that the three sets of traveling wheels 62 connected to the fixing plate 43 at the end of the shaft rod holder 42 are in contact with the inner wall of the housing 32. The high-pressure pump 1, the traveling motor, and the cleaning motor are started through the controller. The cleaning motor drives the cleaning driving gear 53 to rotate. The cleaning driving gear 53 meshes with the rotating gear 52. The rotating gear 52 is fixed to the outer wall of the cleaning high-pressure nozzle 5. The nozzle is driven by the cleaning motor to rotate 360 degrees to ensure that every part of the inner wall of the housing 32 is cleaned. When it is necessary to move forward for cleaning during the cleaning process, the controller controls the traveling motor. The traveling motor rotates, and the traveling driven gear 63 meshes with the traveling driving gear 64 connected to the traveling motor. The traveling driven gear 63 is connected to the traveling shaft rod 6, and both ends of the traveling shaft rod 6 are fixed to the traveling wheels 62. The traveling wheels 62 are driven by the traveling motor to move forward on the inner wall of the housing 32. The structure is simple, and the traveling and cleaning actions of the device are automatically completed by the controller, reducing manual operation and improving the cleaning efficiency and safety. The cleaning device can be applicable to the cleaning of the inner walls of housings 32 with various diameters.

[0035] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A reverse osmosis device for extracting lithium from salt lake brine, comprising a high-pressure pump (1), a delivery pipeline (2), a reverse osmosis component (3), a controller and a cleaning device for cleaning the reverse osmosis component (3), characterized in that: The reverse osmosis component (3) comprises a reverse osmosis membrane (31) and a shell (32) that wraps around the reverse osmosis membrane (31). The cleaning device is movably located inside the shell (32). The cleaning device comprises an inner wall abutment component, a travel component and a cleaning component. The cleaning component comprises a cleaning high-pressure nozzle (5) and a cleaning motor. A bearing (51) is sleeved on the outer peripheral wall of the cleaning high-pressure nozzle (5) at a side away from the water outlet. A rotating gear (52) is fixedly sleeved on the outer peripheral wall of the cleaning high-pressure nozzle (5) at a side away from the water outlet of the bearing (51). A cleaning drive gear (53) is meshedly connected to one side of the rotating gear (52). The cleaning drive gear (53) is connected to an output end of the cleaning motor.

2. A reverse osmosis device for extracting lithium from salt lake brine according to claim 1, characterized in that: The inner wall abutment assembly comprises a fixing frame (4), the fixing frame (4) being arranged in a triangular structure, an outer wall of the fixing frame (4) being symmetrically rotatably connected to an axle frame (42) via two sets of rotating shaft seats (41), the ends of the axle frame (42) away from the fixing frame (4) being connected via a fixing plate (43), and the walking assembly being located on each of the fixing plates (43).

3. A reverse osmosis device for extracting lithium from salt lake brine according to claim 2, characterized in that: The bearing (51) is fixedly connected to the fixing frame (4); the water outlet of the cleaning high-pressure nozzle (5) is located at the front side of the fixing frame (4); the water inlet of the cleaning high-pressure nozzle (5) extends through and is located inside the fixing frame (4); and the cleaning motor is fixedly located inside the fixing frame (4).

4. A reverse osmosis device for extracting lithium from salt lake brine according to claim 2, characterized in that: The walking assembly comprises a walking shaft (6), an axle box (61), a walking wheel (62), a walking driven gear (63), a walking driving gear (64) and a walking motor. The axle box (61) is fixedly located on the fixed plate (43). One end of the walking shaft (6) passes through the axle box (61) and extends to the outside thereof. The walking wheel (62) is fixedly connected to the end of the walking shaft (6) located outside the fixed plate (43). The walking driven gear (63) is fixedly sleeved on the outer peripheral wall of the walking shaft (6) located inside the axle box (61). The walking driving gear (64) is meshed with the inside of the axle box (61) located on one side of the walking driven gear (63). The walking motor is located inside the fixed axle box (61). The output end of the walking motor is connected to the walking driving gear (64).

5. A reverse osmosis device for extracting lithium from salt lake brine according to claim 4, characterized in that: The running wheel (62) abuts against the inner wall of the shell (32).

6. A reverse osmosis device for extracting lithium from salt lake brine according to claim 1, characterized in that: The high-pressure pump (1) is connected to the water inlet of the cleaning high-pressure nozzle (5) via a delivery pipeline (2).

7. A reverse osmosis device for extracting lithium from salt lake brine according to claim 1, characterized in that: The controller is electrically connected to the high-pressure pump (1), the travel motor and the cleaning motor via wires.

Images