Automatic resin loading and unloading system of rotating disc type ion exchange device

Abstract

The utility model relates to the technical field of resin loading and unloading, in particular to an automatic resin loading and unloading system of a rotating disc type ion exchange device, which comprises the rotating disc type ion exchange device, pneumatic loading and unloading equipment and a resin storage tank, the rotating disc type ion exchange device comprises a valve element rotating disc, a plurality of resin columns arranged on the valve element rotating disc, an upper discharging pipeline and a lower discharging pipeline, the upper discharging pipeline and the lower discharging pipeline are separated by the valve element rotating disc, and the pneumatic loading and unloading equipment comprises a pneumatic diaphragm pump and an air pressure source connected with the pneumatic diaphragm pump. An outlet of the pneumatic diaphragm pump is detachably connected with an upper resin inlet of the resin column, an inlet of the pneumatic diaphragm pump is communicated with the resin storage tank, a bypass tee joint is arranged on the side face of the lower discharging pipeline, and a bypass port of the bypass tee joint is communicated with the resin storage tank. By applying the automatic resin loading and unloading system of the rotating disc type ion exchange device, the resin loading and unloading efficiency can be effectively improved in practical application.

Description

Technical Field

[0001] The utility model relates to the technical field of resin loading and unloading, in particular to an automatic resin loading and unloading system for a turntable type ion exchange device. Background Art

[0002] With the scale-up of lithium extraction from raw brine by adsorption, ion exchange units are playing a crucial role. Ion exchange units offer advantages such as high efficiency, stability, and a high degree of automation. They enable continuous, uninterrupted operation, effectively improving production efficiency and reducing costs. They precisely control the ion exchange process, enhancing lithium extraction purity and recovery rates. Their advanced control systems monitor and adjust process parameters in real time, ensuring optimal operation throughout the entire production process. Furthermore, these units feature a small footprint and easy maintenance, enabling companies to achieve large-scale production within limited space while reducing the difficulty and cost of equipment maintenance.

[0003] The filling and unloading of resin in ion exchange devices is a key step. Traditional loading and unloading operations are mainly performed manually. Manual loading and unloading has problems such as low efficiency, high labor intensity, and difficulty in ensuring accuracy. In addition, human errors are prone to occur during the operation, affecting the quality and effect of resin filling and unloading.

[0004] Therefore, there is an urgent need for an automatic resin loading and unloading system for a turntable ion exchange device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to solve the problem that the ion exchange device in the prior art usually adopts manual filling and unloading of resin, which has low resin loading and unloading efficiency and low precision, and provide a turntable ion exchange device resin automatic loading and unloading system.

[0006] The technical solution of the utility model is as follows:

[0007] An automatic resin loading and unloading system for a rotary disk ion exchange device, comprising a rotary disk ion exchange device, pneumatic loading and unloading equipment, and a resin storage tank;

[0008] The turntable ion exchange device includes a valve core turntable, several resin columns arranged on the valve core turntable, and an upper discharge pipeline and a lower discharge pipeline separated by the valve core turntable. The pneumatic loading and unloading equipment includes a pneumatic diaphragm pump and an air pressure source connected to the pneumatic diaphragm pump. The outlet of the pneumatic diaphragm pump is detachably connected to the upper resin inlet of the resin column, and the inlet is connected to the resin storage tank. A bypass tee is provided on the side of the lower discharge pipeline, and the bypass port of the bypass tee is connected to the resin storage tank.

[0009] Preferably, the resin storage tank is a metering tank.

[0010] Preferably, a water adding device is further included, which is used to add a corresponding amount of water into the metering tank according to the amount of resin in the metering tank.

[0011] Preferably, it also includes a degreasing tank, the interior of which is divided into an upper degreasing chamber and a lower water chamber by a resin screen, the outlet of the pneumatic diaphragm pump is detachably connected to the lower resin outlet of the resin column, the inlet is connected to the lower water chamber, and the upper degreasing chamber is detachably connected to the upper resin inlet.

[0012] Preferably, the outlet of the pneumatic diaphragm pump is detachably connected to the upper resin inlet, the inlet is communicated with the lower water cavity, and the upper grease unloading cavity is detachably connected to the lower resin outlet.

[0013] Preferably, the upper grease unloading chamber and the lower water chamber have the same volume.

[0014] Preferably, the pneumatic diaphragm pump is connected to the upper resin inlet, the lower resin outlet, the resin storage tank and the lower water chamber through a hose; the resin storage tank and the bypass port are connected through a hose; the upper unloading chamber is connected to the upper resin inlet and the lower resin outlet through a hose.

[0015] Preferably, the hose is a stainless steel hose.

[0016] Preferably, a viewing mirror window is provided on the side of the resin column.

[0017] Preferably, a manhole is provided on the side of the resin column.

[0018] According to the above technical solution, based on the automatic resin loading and unloading system of the turntable ion exchange device, when resin needs to be loaded, the resin in the resin storage tank is transported to the resin column through the upper resin inlet by a pneumatic diaphragm pump, and then the resin in the resin column is separated from the resin by the action of its internal water distributor, so that the water enters the upper discharge pipeline, and then the water entering the upper discharge pipeline enters the lower discharge pipeline and flows back to the resin storage tank through the bypass tee on the side of the lower discharge pipeline, thereby realizing the loading of the resin in the resin column based on the circular flow, and entering This realizes resin loading of multiple resin columns in a single or multi-rotary disk ion exchange device; when the resin needs to be unloaded, the water in the lower water chamber is transported to the resin column through the lower resin outlet by a pneumatic diaphragm pump, and then the water entering the resin column brings the resin back to the upper unloading chamber through the upper resin inlet. Under the action of the resin screen, the resin remains in the upper unloading chamber and the water enters the lower water chamber, thereby realizing the unloading of the resin in the resin column based on the circulating flow, and further realizing the resin unloading of multiple resin columns in a single or multi-rotary disk ion exchange device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1This is a front view of a rotary disk ion exchange device of an automatic resin loading and unloading system of a rotary disk ion exchange device;

[0020] Figure 2 1. A top view of a rotary disk ion exchange device of an automatic resin loading and unloading system of a rotary disk ion exchange device;

[0021] Figure 3 This is a side view of a rotary disk ion exchange device with an automatic resin loading and unloading system for the rotary disk ion exchange device;

[0022] Figure 4 It is a schematic diagram of the piping structure of a rotary disc ion exchange device;

[0023] Figure 5 This is a schematic diagram of the operation of the automatic resin loading and unloading system of the rotary disk ion exchange device when loading resin;

[0024] Figure 6 This is a schematic diagram of the operation of the automatic resin loading and unloading system of the rotary disk ion exchange device when unloading resin;

[0025] Figure 7 This is another operational diagram of the automatic resin loading and unloading system of the rotary disk ion exchange device when unloading resin.

[0026] Description of Reference Numerals

[0027] 1. Upper resin inlet; 2. Lower resin outlet; 3. Valve core turntable; 4. Resin column inlet; 5. Resin column outlet; 6. Sight glass window; 7. Manhole; 8. Resin column; 9. Feed line; 91. Feed line valve; 10. Discharge line; 101. Discharge line valve; 11. Lower feed line; 12. Lower discharge line; 13. Bypass tee; 14. Bypass valve; 15. Resin storage tank; 16. Pneumatic diaphragm pump; 17. Air pressure source; 18. Upper resin inlet valve; 19. Lower resin outlet valve; 20. Grease unloading tank; 201. Upper grease unloading chamber; 202. Lower water chamber; 21. Resin screen. DETAILED DESCRIPTION

[0028] The following describes the specific implementation of the embodiment of the present invention in detail. It should be understood that the specific implementation described herein is only used to illustrate and explain the embodiment of the present invention, and is not used to limit the embodiment of the present invention.

[0029] The utility model provides a turntable type ion exchange device resin automatic loading and unloading system, such as Figure 1-5 As shown, the automatic loading and unloading system for the turntable ion exchange device resin includes a turntable ion exchange device, a pneumatic loading and unloading device and a resin storage tank 15;

[0030] The turntable ion exchange device includes a valve core turntable 3, several resin columns 8 arranged on the valve core turntable 3, and an upper discharge pipeline 10 and a lower discharge pipeline 12 separated by the valve core turntable 3. The pneumatic loading and unloading equipment includes a pneumatic diaphragm pump 16 and an air pressure source 17 connected to the pneumatic diaphragm pump 16. The outlet of the pneumatic diaphragm pump 16 is detachably connected to the upper resin inlet 1 of the resin column 8, and the inlet is connected to the resin storage tank 15. A bypass tee 13 is provided on the side of the lower discharge pipeline 12, and the bypass port of the bypass tee 13 is connected to the resin storage tank 15.

[0031] According to the above technical solution, based on the automatic resin loading and unloading system of the turntable ion exchange device, when resin needs to be loaded, the resin in the resin storage tank 15 is transported to the resin column 8 through the upper resin inlet 1 by the pneumatic diaphragm pump 16, and then the resin entering the resin column 8 is separated from the resin and water under the action of its internal water distributor, so that the water enters the upper discharge pipe 10, and then the water entering the upper discharge pipe 10 enters the lower discharge pipe 12, and flows back to the resin storage tank 15 through the bypass tee 13 on the side of the lower discharge pipe 12, thereby realizing the loading of the resin in the resin column based on the circulating flow, and then realizing the resin loading of multiple resin columns in a single or multi-turntable ion exchange device, and effectively improving the loading efficiency and accuracy of the resin.

[0032] In the automatic resin loading and unloading system of the turntable ion exchange device described in the present invention, preferably, the resin storage tank 15 is a metering tank, so that an appropriate amount of resin can be added to the metering tank based on the required loading amount of the resin column, thereby improving the loading accuracy of the resin in the resin column.

[0033] More preferably, a water adding device is further included for adding a corresponding amount of water into the metering tank according to the amount of resin in the metering tank, so that the resin can be better loaded by keeping it in a slurry state.

[0034] Further preferably, a viewing mirror window 6 is provided on the side of the resin column 8, so as to further improve the loading accuracy of the resin by observing the loading amount of the resin in the resin column in real time.

[0035] In the automatic resin loading and unloading system of the rotary disk ion exchange device described in the present invention, Figure 6As shown, preferably, it also includes a degreasing tank 20, the interior of which is divided into an upper degreasing chamber 201 and a lower water chamber 202 by a resin screen 21, the outlet of the pneumatic diaphragm pump 16 is detachably connected to the lower resin outlet 2 of the resin column 8, and the inlet is connected to the lower water chamber 202, and the upper degreasing chamber 201 is detachably connected to the upper resin inlet 1. When it is actually necessary to unload the resin, the water in the lower water chamber 202 is transported to the resin column 8 through the lower resin outlet 2 by the pneumatic diaphragm pump 16, and then the water entering the resin column 8 brings the resin back to the upper degreasing chamber 201 through the upper resin inlet 1. Under the action of the resin screen 21, the resin remains in the upper degreasing chamber 201, and the water enters the lower water chamber 202, thereby realizing the unloading of the resin in the resin column based on the circulating flow, and then realizing the resin unloading of multiple resin columns in a single or multi-disc ion exchange device, and effectively improving the unloading efficiency and accuracy of the resin.

[0036] In order to further ensure that the resin in the resin column is completely unloaded, it is further preferred that Figure 7 As shown, the outlet of the pneumatic diaphragm pump 16 is detachably connected to the upper resin inlet 1, the inlet is communicated with the lower water chamber 202, and the upper unloading chamber 201 is detachably connected to the lower resin outlet 2, so that the pneumatic diaphragm pump 16 completely completes the resin unloading operation of the target resin column from the lower resin outlet 2.

[0037] In the automatic resin loading and unloading system of the rotary disk ion exchange device of the present invention, preferably, the upper unloading chamber 201 and the lower water chamber 202 have the same volume.

[0038] In the automatic resin loading and unloading system of the turntable ion exchange device described in the present invention, preferably, the pneumatic diaphragm pump 16 is connected to the upper resin inlet 1, the lower resin outlet 2, the resin storage tank 15 and the lower water chamber 202 by a hose; the resin storage tank 15 and the bypass port are connected by a hose; the upper unloading chamber 201 is connected to the upper resin inlet 1 and the lower resin outlet 2 by a hose, thereby facilitating the loading and unloading operations of the resin in the resin column.

[0039] Further preferably, the hose is a stainless steel hose, thereby improving structural strength and durability.

[0040] In the automatic resin loading and unloading system for the rotary disk ion exchange device of the present invention, preferably, a manhole 7 is provided on the side of the resin column 8 to facilitate the inspection and maintenance of the rotary disk ion exchange device.

[0041] In the present invention, the turntable ion exchange device belongs to the prior art, which also includes a resin column inlet 4 and a resin column outlet 5, the resin column inlet 4 is connected to the feed pipe 9, the resin column outlet 5 is connected to the discharge pipe 10, under the separation effect of the valve core turntable 3, the feed pipe 9 and the discharge pipe 10 located above the valve core turntable 3 are rotatable, while the lower feed pipe 11 and the lower discharge pipe 12 located below the valve core turntable 3 are fixed. More specifically, Figure 1-7 Taking the triple rotary disc ion exchange device shown as an example, it includes 10 resin column rows, and each vertical row includes three resin columns. The feed pipe 9 and the discharge pipe 10 of the three resin columns on each vertical row are correspondingly connected to the lower feed pipe 11 and the lower discharge pipe 12, that is, by rotating the valve core rotary disc 3, the feed pipe 9 and the discharge pipe 10 of the three resin columns in each vertical row can be connected to the lower feed pipe 11 and the lower discharge pipe 12 in turn. In a preferred embodiment, based on the automatic loading and unloading system of the resin of the rotary disc ion exchange device, the three resin columns in the same vertical row can be loaded with resin or unloaded with resin at the same time, thereby further effectively improving the loading or unloading efficiency of the resin. The improvement of the rotary disc ion exchange device in the present invention is that a bypass tee 13 is provided on each of its lower discharge pipes 12, so that based on the joint action with the pneumatic loading and unloading equipment and the resin storage tank 15, efficient and accurate loading of the resin in the resin column can be achieved. Preferably, the bypass tee 13 is a right-angle tee.

[0042] The present invention will be described in detail below through embodiments, but the protection scope of the present invention is not limited thereto.

[0043] Example 1

[0044] Use Figure 1-5 The embodiment of the automatic loading and unloading system of the resin of the rotary disk ion exchange device shown in the figure, specifically, the automatic loading and unloading system of the resin of the rotary disk ion exchange device includes a rotary disk ion exchange device, a pneumatic loading and unloading device and a resin storage tank 15;

[0045] The turntable ion exchange device includes a valve core turntable 3, a plurality of resin columns 8 arranged on the valve core turntable 3, and an upper discharge pipeline 10 and a lower discharge pipeline 12 separated by the valve core turntable 3. The pneumatic loading and unloading equipment includes a pneumatic diaphragm pump 16 and an air pressure source 17 connected to the pneumatic diaphragm pump 16. The outlet of the pneumatic diaphragm pump 16 is detachably connected to the upper resin inlet 1 of the resin column 8, and the inlet is connected to the resin storage tank 15. The lower discharge pipe A bypass tee 13 is provided on the side of the road 12, and the bypass port of the bypass tee 13 is connected to the resin storage tank 15; a manhole 7 is provided on the side of the resin column 8; an upper resin inlet valve 18 is provided on the upper resin inlet 1, a lower resin outlet valve 19 is provided on the lower resin outlet, a feed pipeline valve 91 is provided on the feed pipeline 9, a discharge pipeline valve 101 is provided on the discharge pipeline 10, and the bypass tee is provided with a bypass valve 14.

[0046] In actual application, when resin needs to be loaded, close the lower resin outlet valve 19 and the feed pipeline valve 91, open the upper resin inlet valve 18, the discharge pipeline valve 101 and the bypass valve 14, and use the pneumatic diaphragm pump 16 to transport the resin in the resin storage tank 15 through the upper resin inlet 1 to the resin column 8. Then, the resin entering the resin column 8 is separated from the resin and water under the action of its internal water distributor, so that the water enters the upper discharge pipeline 10, and then the water entering the upper discharge pipeline 10 enters the lower discharge pipeline 12 and flows back to the resin storage tank 15 through the bypass tee 13 on the side of the lower discharge pipeline 12, thereby realizing the loading of the resin in the current resin column based on the circular flow. Repeat the above steps to realize the resin loading of the other two resin columns in the same vertical column, rotate the valve core turntable 3 three times to replace the three resin columns in the next vertical column, and repeat the above steps to complete the loading of 10 vertical resin columns in sequence.

[0047] After testing, it was found that the automatic resin loading and unloading system for the turntable ion exchange device described in the present invention can effectively improve the resin loading efficiency and accuracy compared with the solution of manual resin loading in the prior art.

[0048] Example 2

[0049] Refer to Example 1, except that the resin storage tank 15 is a metering tank; a water adding device is also included for adding a corresponding amount of water into the metering tank according to the amount of resin in the metering tank; and a sight glass window 6 is provided on the side of the resin column 8.

[0050] After testing, it was found that the automatic resin loading and unloading system for the turntable ion exchange device described in the utility model can further effectively improve the loading efficiency and accuracy of the resin by accurately measuring and loading the resin, keeping the resin in a slurry state, and performing real-time observation during loading, compared with the solution in Example 1.

[0051] Example 3

[0052] Refer to Example 2 for implementation, except that it further includes a degreasing tank 20, the interior of which is divided into an upper degreasing chamber 201 and a lower water chamber 202 by a resin screen 21, the outlet of the pneumatic diaphragm pump 16 is detachably connected to the lower resin outlet 2 of the resin column 8, and the inlet is communicated with the lower water chamber 202, the upper degreasing chamber 201 is detachably connected to the upper resin inlet 1; the outlet of the pneumatic diaphragm pump 16 is detachably connected to the upper resin inlet 1, and the inlet is communicated with the lower water chamber 202, the The upper unloading chamber 201 is detachably connected to the lower resin outlet 2; the upper unloading chamber 201 and the lower water chamber 202 have the same volume; the pneumatic diaphragm pump 16 is connected to the upper resin inlet 1, the lower resin outlet 2, the resin storage tank 15 and the lower water chamber 202 via a hose; the resin storage tank 15 and the bypass port are connected via a hose; the upper unloading chamber 201 is connected to the upper resin inlet 1 and the lower resin outlet 2 via a hose, and the hose is a stainless steel hose.

[0053] In actual application, when it is necessary to unload the resin, close the feed pipeline valve 91 and the discharge pipeline valve 101, open the upper resin inlet valve 18 and the lower resin outlet valve 19, and use the pneumatic diaphragm pump 16 to transport the water in the lower water chamber 202 to the resin column 8 through the lower resin outlet 2, and then the water entering the resin column 8 brings the resin back to the upper unloading chamber 201 through the upper resin inlet 1. Under the action of the resin screen 21, the resin remains in the upper unloading chamber 201, and the water enters the lower water chamber 202, thereby realizing the unloading of the resin in the current resin column based on the circular flow, repeating the above steps to realize the unloading of the resin of the other two resin columns in the same vertical column, rotating the valve core turntable 3 three times to replace the three resin columns in the next vertical column, and then repeating the above steps to complete the unloading of 10 vertical columns of resin columns in sequence; in order to ensure the complete unloading of the resin in the resin column, as shown in FIG. Figure 7 After the connection and installation are performed as shown, the pneumatic diaphragm pump 16 completely completes the resin unloading operation of the target resin column from the lower resin outlet 2.

[0054] After testing, it was found that the automatic resin loading and unloading system for the turntable ion exchange device described in the present invention can effectively improve the resin unloading efficiency and accuracy compared with the solution of manual resin unloading in the prior art.

[0055] The utility model provides a turntable type ion exchange device resin automatic loading and unloading system. When resin needs to be loaded, the resin in the resin storage tank is transported to the resin column through the upper resin inlet by a pneumatic diaphragm pump. Then, the resin in the resin column is separated from the water by the action of the internal water distributor, so that the water enters the upper discharge pipe. Then, the water entering the upper discharge pipe enters the lower discharge pipe and flows back to the resin storage tank through the bypass tee on the side of the lower discharge pipe, thereby realizing the loading of the resin in the resin column based on the circular flow, thereby realizing The resin is loaded into multiple resin columns in a single or multi-rotary disk ion exchange device; when the resin needs to be unloaded, the water in the lower water chamber is transported to the resin column through the lower resin outlet by a pneumatic diaphragm pump, and then the water entering the resin column brings the resin back to the upper unloading chamber through the upper resin inlet. Under the action of the resin screen, the resin remains in the upper unloading chamber and the water enters the lower water chamber, thereby realizing the unloading of the resin in the resin column based on the circular flow, and further realizing the resin unloading of multiple resin columns in a single or multi-rotary disk ion exchange device.

[0056] The preferred embodiments of the present invention have been described in detail above; however, the present invention is not limited thereto. Within the technical scope of the present invention, various simple variations of the present invention's technical solution are possible. To avoid unnecessary repetition, the present invention will not further describe various possible combinations. However, these simple variations and combinations should also be considered as disclosed herein and fall within the scope of protection of the present invention.

Claims

1. A rotary disk ion exchange device resin automatic loading and unloading system, characterized in that: The automatic resin loading and unloading system for a rotary disk ion exchange device comprises a rotary disk ion exchange device, pneumatic loading and unloading equipment, and a resin storage tank (15); The turntable ion exchange device comprises a valve core turntable (3), a plurality of resin columns (8) arranged on the valve core turntable (3), and an upper discharge pipeline (10) and a lower discharge pipeline (12) separated by the valve core turntable (3); the pneumatic loading and unloading equipment comprises a pneumatic diaphragm pump (16) and an air pressure source (17) connected to the pneumatic diaphragm pump (16); the outlet of the pneumatic diaphragm pump (16) is detachably connected to the upper resin inlet (1) of the resin column (8), and the inlet is connected to the resin storage tank (15); a bypass tee (13) is provided on the side of the lower discharge pipeline (12), and the bypass port of the bypass tee (13) is connected to the resin storage tank (15).

2. The automatic resin loading and unloading system for a rotary disk ion exchange device according to claim 1, characterized in that: The resin storage tank (15) is a metering tank.

3. The automatic resin loading and unloading system for a rotary disk ion exchange device according to claim 2, characterized in that: It also includes a water adding device for adding a corresponding amount of water into the metering tank according to the amount of resin in the metering tank.

4. The automatic resin loading and unloading system for a rotary disk ion exchange device according to any one of claims 1 to 3, characterized in that: The invention also includes a degreasing tank (20), the interior of which is divided into an upper degreasing chamber (201) and a lower water chamber (202) by a resin screen (21), the outlet of the pneumatic diaphragm pump (16) is detachably connected to the lower resin outlet (2) of the resin column (8), the inlet of the pneumatic diaphragm pump (16) is connected to the lower water chamber (202), and the upper degreasing chamber (201) is detachably connected to the upper resin inlet (1).

5. The automatic resin loading and unloading system for a rotary disk ion exchange device according to claim 4, characterized in that: The outlet of the pneumatic diaphragm pump (16) is detachably connected to the upper resin inlet (1), the inlet is communicated with the lower water chamber (202), and the upper grease unloading chamber (201) is detachably connected to the lower resin outlet (2).

6. The automatic resin loading and unloading system for a rotary disk ion exchange device according to claim 4, characterized in that: The upper grease unloading chamber (201) and the lower water chamber (202) have the same volume.

7. The automatic resin loading and unloading system for a rotary disk ion exchange device according to claim 6, characterized in that: The pneumatic diaphragm pump (16) is connected to the upper resin inlet (1), the lower resin outlet (2), the resin storage tank (15) and the lower water chamber (202) via a hose; the resin storage tank (15) is connected to the bypass port via a hose; and the upper unloading chamber (201) is connected to the upper resin inlet (1) and the lower resin outlet (2) via a hose.

8. The automatic resin loading and unloading system for a rotary disk ion exchange device according to claim 7, characterized in that: The hose is a stainless steel hose.

9. The automatic resin loading and unloading system for a rotary disk ion exchange device according to claim 1, characterized in that: A mirror window (6) is provided on the side of the resin column (8).

10. The automatic resin loading and unloading system for a rotary disk ion exchange device according to claim 1, characterized in that: A manhole (7) is provided on the side of the resin column (8).

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