Wastewater recycling equipment for lithium carbonate production

By designing an automatic switching and cleaning filter device, the problem of decreased filtration efficiency caused by filter clogging was solved, online filter cleaning was achieved, and production efficiency was improved.

CN223555649UActive Publication Date: 2025-11-18杭州国泰环保科技股份有限公司
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Patent Information

Application Number
CN202422560312.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-11-18
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

Existing wastewater recycling equipment is prone to filter clogging during the filtration process, which leads to a decrease in filtration efficiency. Cleaning the filter requires shutdown, which affects production efficiency.

Method used

A device including first and second filtration units is designed, which realizes automatic switching and cleaning of filter screens through a reversing device, and achieves online cleaning of filter screens by using reverse water flow rinsing and scraper cleaning.

Benefits of technology

The system achieves filter cleaning without shutting down the machine, improving filtration efficiency and production continuity, and enhancing equipment operating efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to wastewater recycling equipment for lithium carbonate production. The wastewater recycling equipment comprises a base, a water inlet pipe, a water outlet pipe, a first pipe body, a second pipe body and a reversing device, wherein the water inlet pipe and the water outlet pipe are respectively and fixedly arranged at two ends of the base; the first pipe body and the second pipe body are fixedly arranged on the base and two ends of the first pipe body and the second pipe body are respectively communicated with the water inlet pipe and the water outlet pipe; the first filtering device is arranged on the first pipe body; the second filtering device is arranged on the second pipe body; the first filtering device and the second filtering device have the same structure; the first filtering device comprises a first baffle plate and a second baffle plate which are fixedly arranged on the first pipe body, a first round hole, a second round hole and a third round hole which are formed in the first baffle plate, a fourth round hole, a fifth round hole and a sixth round hole which are formed in the second baffle plate, and a filtering plate which is arranged between the first baffle plate and the second baffle plate in a sliding manner; the first filter screen and the second filter screen are arranged on the filter plate; according to the utility model, the filter screen can be replaced and washed without shutdown, so that the overall filtering efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of wastewater recycling, in particular to a wastewater recycling equipment for lithium carbonate production. BACKGROUND

[0002] Lithium and lithium salt have been extended from traditional application fields such as glass ceramics, electrolytic aluminum, lubricating grease, refrigeration, etc. to aluminum-lithium alloy, lithium battery, nuclear fusion and other high-tech fields, especially in the field of new energy technology, lithium battery is widely used. The methods for extracting lithium from lithium minerals mainly include sulfate method, chloride method, limestone method, sulfuric acid method and gas-solid reaction method. However, wastewater is generated during the preparation of lithium carbonate by sulfuric acid method. If the wastewater is directly discharged into the sewer or river, it will cause serious damage to the ecological environment of the surrounding environment.

[0003] The existing wastewater recycling equipment needs to filter during the purification process of wastewater, and the filter screen will be blocked during filtering. The existing technology mostly needs to shut down the equipment, then take out the filter screen for cleaning or replacement when cleaning the filter screen, which reduces the filtering efficiency. SUMMARY

[0004] The summary part of the present application is used to introduce the concept in a simple form, which will be described in detail in the specific embodiment part. The summary part of the present application is not intended to identify the key features or essential features of the claimed technical solution, nor is it intended to limit the scope of the claimed technical solution.

[0005] In order to solve the technical problems mentioned in the background part, some embodiments of the present application provide a wastewater recycling equipment for lithium carbonate production, which comprises a base, a water inlet pipe and a drain pipe fixed at both ends of the base respectively, a first pipe body and a second pipe body fixed on the base and communicated with the water inlet pipe and the drain pipe at both ends respectively, a reversing device for switching the water flow circulation of the first pipe body and the second pipe body, a first filter device provided on the first pipe body, and a second filter device provided on the second pipe body; the first filter device and the second filter device are the same in structure; the first filter device comprises a first baffle and a second baffle fixed on the first pipe body, a first circular hole, a second circular hole and a third circular hole provided on the first baffle, a fourth circular hole, a fifth circular hole and a sixth circular hole provided on the second baffle, a filter plate slidingly arranged between the first baffle and the second baffle, a first filter screen and a second filter screen provided on the filter plate.

[0006] Specifically, the first filter screen and the filter plate are connected by a plurality of first tension springs in equidistant annular array, and the second filter screen and the filter plate are connected by a plurality of second tension springs in equidistant annular array.

[0007] Specifically, the first filtering device further comprises a first water pipe and a second water pipe fixed at one end on the first pipe body and communicated with the first pipe body, a first nozzle arranged at the other end of the first water pipe, and a second nozzle arranged at the other end of the second water pipe; the first water pipe is arranged in communication with the first circular hole; and the second water pipe is arranged in communication with the third circular hole.

[0008] Specifically, the first filtering device further comprises a first rotating rod and a second rotating rod rotatably arranged on the base, a first rotating plate fixed on the first rotating rod and corresponding to the first circular hole, a second rotating plate fixed on the second rotating rod and corresponding to the third circular hole, and a first scraping plate and a second scraping plate fixed on the first rotating plate and the second rotating plate, respectively.

[0009] Specifically, the first filtering device further comprises a short shaft fixed on the first pipe body, a first belt sleeved on the first rotating rod and the short shaft, and a second belt sleeved on the second rotating rod and the short shaft; and the second rotating rod of the first filtering device and the second filtering device is driven by the transmission belt.

[0010] Specifically, the reversing device comprises a threaded rod rotatably arranged at two ends on the base, a motor fixed on the base and used for rotating the threaded rod, an inner threaded rod sleeved on the threaded rod, a transmission block slidingly arranged on the inner threaded rod, springs fixed at two ends on the inner threaded rod and the transmission block, respectively, a push rod fixed on the transmission block, a first sliding groove arranged on the water inlet pipe, a second sliding groove arranged on the drain pipe, a first stop block slidingly arranged in the water inlet pipe, a second stop block slidingly arranged in the drain pipe, a first connecting rod fixed at two ends on the push rod and the first stop block, respectively, and a second connecting rod fixed at two ends on the push rod and the second stop block, respectively.

[0011] Specifically, the reversing device further comprises a first sliding plate fixed on the first stop block and used for sealing the first sliding groove, and a second sliding plate fixed on the second stop block and used for sealing the second sliding groove.

[0012] Specifically, the push rod is fixedly connected with the filter plates in the first filtering device and the second filtering device through a fixed shaft.

[0013] Specifically, the threaded rod is rotatably connected with the first rotating rod through a universal joint cross shaft.

[0014] The utility model discloses beneficial effect is: when waste water flows through first pipe body, second pipe body both ends close, first filter device on first pipe body carries out the filtration to waste water, the first filter screen on first filter device coincides with second round hole and fifth round hole, when first filter screen needs to be cleaned after using reaches certain time, motor starts, drives screw rod rotation, screw rod rotation drive inner screw rod moves, and inner screw rod moves drives spring to move, and spring drives driving block to move, and the moving block drives the push rod to move simultaneously, through fixed shaft setting drive filter plate moves, make first filter screen first round hole direction move and coincide with it, second filter screen coincides with second round hole, complete filter screen switching, and push rod drive first moving link and second moving link move to drive first sliding plate and second sliding plate move to drive first stop block and second stop block move simultaneously, make first pipe body be closed, and second pipe body opens simultaneously, and second filter device on second pipe body starts to filter waste water, and first stop block and second stop block move to the first pipe body pressurization in the process, so that the waste water in first pipe body enters first water pipe and sprays from first shower nozzle, and the reverse flushing is carried out to first filter screen, and the reverse operation is carried out to second filter screen.

[0015] Finally reach the improvement cleaning efficiency, guarantee under the premise of not closing equipment can reach the effect that the filter screen is cleaned, improve production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The drawings illustrate one exemplary embodiment of the present application and, together with the description, serve to explain the principles of the present application.

[0017] In addition, throughout the drawings, same or similar reference numerals are used to designate same or similar elements. It is to be understood that the drawings are schematically shown, and elements and elements are not necessarily drawn according to scale.

[0018] In the drawings:

[0019] Figure 1 is a structural schematic view of the present application;

[0020] Figure 2 is a top view of the present application;

[0021] Figure 3 is a Figure 2 sectional view at A-A in the middle;

[0022] Figure 4 is a Figure 2 sectional view at B-B in the middle;

[0023] Figure 5 is a Figure 2 sectional view at C-C in the middle;

[0024] Figure 6 is a side view of the present application;

[0025] Figure 7 is a Figure 5 enlarged view at A in the middle;

[0026] Figure 8 is a side view of the present application;

[0027] Figure 9 is a Figure 8 enlarged view at B in the middle;

[0028] Figure 10 is a side internal structure view of the present application;

[0029] Figure 11 is a Figure 7 enlarged view at C in the middle;

[0030] Figure 12 is a Figure 7 enlarged view at D in the middle;

[0031] Figure 13 is a Figure 7 enlarged view at E in the middle. DETAILED DESCRIPTION

[0032] Embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it is understood that the present disclosure can be embodied in various forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure will be more thoroughly and completely understood. It should be understood that the drawings and embodiments of the present disclosure are only for illustrative purposes and are not intended to limit the scope of protection of the present disclosure.

[0033] In addition, it needs to be noted that only parts related to the utility model are shown in the drawings for the convenience of description.

[0034] It should be noted that the "first", "second", and the like mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not intended to limit the order or interdependence of the functions performed by these devices, modules or units.

[0035] It should be noted that the "one", "multiple" mentioned in the present disclosure is illustrative and not restrictive, and those skilled in the art should understand that unless otherwise explicitly indicated in the context, it should be understood as "one or more".

[0036] The present disclosure will be described in detail below with reference to the drawings and in conjunction with embodiments.

[0037] Referring to Figures 1-10 The utility model discloses a lithium carbonate production wastewater recycling equipment, including base 1, the water inlet pipe 2 and the drain pipe 3 fixedly arranged at the both ends of base 1 respectively, the first pipe body 4 and the second pipe body 5 fixedly arranged on base 1 and both ends are communicated with water inlet pipe 2 and drain pipe 3 respectively, the reversing device 6 for switching the water flow circulation of first pipe body 4 and second pipe body 5, the first filter device 7 arranged on first pipe body 4, the second filter device 8 arranged on second pipe body 5, the first filter device and the second filter device are same in structure, the first filter device 7 includes the first baffle 71 and the second baffle 72 fixedly arranged on the first pipe body 4, the first circular hole 73 and the second circular hole 74 and the third circular hole 75 arranged on the first baffle 71, the fourth circular hole 76 and the fifth circular hole 77 and the sixth circular hole 78 arranged on the second baffle 72, the filter plate 79 slidingly arranged between the first baffle 71 and the second baffle 72, the first filter screen 710 and the second filter screen 720 arranged on the filter plate 79, when the first filter screen in the first pipe body is blocked, the reversing device is started, and the water flow is switched to the second pipe body, and the filter plate is driven to move, and the filter plate drives the first filter screen and the second filter screen to move, and the first filter screen is moved to the first circular hole, and the second filter screen is moved to the second circular hole, and finally the purpose of continuing to filter without stopping is achieved.

[0038] Specifically, the first filter screen 710 is connected with the filter plate 79 through an equidistant annular array of first tension springs 730, and the second filter screen 720 is connected with the filter plate 79 through an equidistant annular array of second tension springs 740; a first water pipe 750 and a second water pipe 760 are fixed at one end on the first pipe body 4 and communicate with the first pipe body 4, a first nozzle 770 is arranged at the other end of the first water pipe 750, and a second nozzle 780 is arranged at the other end of the second water pipe 760; the first water pipe is arranged in communication with the first circular hole; the second water pipe is arranged in communication with the third circular hole; a first rotating rod 790 and a second rotating rod 711 are rotatably arranged on the base 1, a first rotating plate 712 is fixedly arranged on the first rotating rod 790 and corresponds to the first circular hole 73, a second rotating plate 713 is fixedly arranged on the second rotating rod 711 and corresponds to the third circular hole 75, a first scraping plate 714 and a second scraping plate 715 are fixedly arranged on the first rotating plate 712 and the second rotating plate 713, respectively; when the first filter screen moves to the first circular hole, the first filter screen is blocked by the filter plate due to the presence of the filter plate when the first filter screen does not move to the first circular hole, so that the entire first pipe body still remains sealed, and when the first filter screen moves to the first circular hole, the sealing is invalid, the water flow in the first pipe body is sprayed out through the first nozzle on the first water pipe, and the water flow spraying starts to reverse clean the filter screen. In this process, the unfiltered water in the first pipe body is filtered through the other filter screen and then sprayed out through the first nozzle by the first water pipe. In the spraying process, the first filter screen moves to the first scraping plate direction under the impact of the water flow, stops after moving to contact the first scraping plate, and is cleaned by the first filter screen. After cleaning is completed, the first filter screen loses pressure and is reset by the first tension spring arranged on the first filter screen.

[0039] Specifically, the first filter device 7 further comprises a short shaft 716 fixedly arranged on the first pipe body 4, a first belt 717 sleeved on the first rotating rod 790 and the short shaft 716, and a second belt 718 sleeved on the second rotating rod 711 and the short shaft 716; the second rotating rod 711 on the first filter device 7 and the second filter device 8 is driven by a transmission belt 719; the first rotating rod drives the first belt to rotate, the first belt drives the short shaft to rotate, the short shaft drives the second belt to rotate, the second belt drives the second rotating rod to rotate, the second rotating rod drives the transmission belt to rotate, and finally the purpose of driving the second rotating rod and the second filter device by the first rotating rod is achieved.

[0040] Specifically, the reversing device 6 comprises a threaded rod 61 rotatably arranged at two ends of the base 1, a motor 62 fixedly arranged on the base 1 and used for rotating the threaded rod 61, an inner threaded rod 63 sleeved on the threaded rod 61, a transmission block 64 slidably arranged on the inner threaded rod 63, springs 65 fixedly arranged at two ends of the inner threaded rod 63 and the transmission block 64 respectively, a push rod 66 fixedly arranged on the transmission block 64, a first sliding groove 67 arranged on the water inlet pipe 2, a second sliding groove 68 arranged on the drain pipe 3, a first stop block 69 slidably arranged in the water inlet pipe 2, a second stop block 610 slidably arranged in the drain pipe 3, a first connecting rod 620 fixedly arranged at two ends of the push rod 66 and the first stop block 69 respectively, a second connecting rod 630 fixedly arranged at two ends of the push rod 66 and the second stop block 610 respectively, a first sliding plate 640 fixedly arranged on the first stop block 69 and used for sealing the first sliding groove 67, a second sliding plate 650 fixedly arranged on the second stop block 610 and used for sealing the second sliding groove 68, and the push rod 66 is fixedly connected with filter plates 79 in the first filter device 7 and the second filter device 8 through fixing shafts 660. When the first filter screen in the first pipe body is blocked, the motor is started to drive the threaded rod to rotate, the threaded rod drives the inner threaded rod to move, the inner threaded rod drives the springs to move, the springs drive the transmission block to move, the transmission block drives the push rod to move, the push rod drives the first moving rod and the second moving rod to move, so as to drive the first sliding plate and the second sliding plate to move together, so as to drive the first stop block and the second stop block to move at the same time, the first stop block and the second stop block move to the other end to close the first pipe body, at the same time, the water flow in the first pipe body is pressurized, and the water flow changes direction to flow to the second pipe body, at the same time, the first fixing shaft and the second fixing shaft are also driven to move, so as to drive the filter plates to move, the filter plates drive the filter screens to move, so that the first filter screen moves from the second circular hole to the first circular hole, in this process, the first filter screen is blocked by the filter plate when it has not moved to the first circular hole, so that the whole first pipe body remains sealed.

[0041] Specifically, the threaded rod 61 is rotatably connected with the first rotating rod 790 through the universal joint cross shaft 670, the threaded rod is rotated to drive the universal joint cross shaft to rotate, the universal joint cross shaft drives the first rotating rod to rotate, so that the first belt drives the short shaft to rotate, the short shaft drives the second rotating rod to rotate through the second belt, the second rotating rod drives the second rotating rod in the second filter device to rotate through the transmission belt, and finally the purpose of driving the first filter device and the second filter device at the same time is achieved.

[0042] The above description is merely some of the preferred embodiments of the present disclosure and a description of the principles of the technology used. It should be understood by those skilled in the art that the scope of the utility model involved in the embodiments of the present disclosure is not limited to the technical solutions formed by the specific combinations of the above technical features, and should also cover other technical solutions formed by any combinations of the above technical features or equivalent features without departing from the above utility model concept. For example, the above features are replaced with each other to form a technical solution with similar functions disclosed in the embodiments of the present disclosure (but not limited to).

Claims

1. A wastewater recycling device for lithium carbonate production, characterized in that: Includes a base (1), an inlet pipe (2) and a drain pipe (3) fixedly installed at both ends of the base (1), a first pipe body (4) and a second pipe body (5) fixedly installed on the base (1) and connected at both ends to the inlet pipe (2) and the drain pipe (3) respectively, a reversing device (6) for switching the water flow between the first pipe body (4) and the second pipe body (5), a first filter device (7) installed on the first pipe body (4), and a second filter device (8) installed on the second pipe body (5); the first filter device and the second filter device have the same structure; the first filter device (7) and the second filter device (8) are respectively fixedly installed on the base (1), the inlet pipe (2) and the drain pipe (3) are respectively fixedly installed at both ends of the base (1), a first pipe body (4) and a second pipe body (5) are respectively fixedly installed on ... A filtration device (7) includes a first baffle (71) and a second baffle (72) fixedly disposed on a first tube (4), a first round hole (73), a second round hole (74) and a third round hole (75) disposed on the first baffle (71), a fourth round hole (76), a fifth round hole (77) and a sixth round hole (78) disposed on the second baffle (72), a filter plate (79) slidably disposed between the first baffle (71) and the second baffle (72), and a first filter screen (710) and a second filter screen (720) disposed on the filter plate (79).

2. The wastewater recycling equipment for lithium carbonate production according to claim 1, characterized in that: The first filter screen (710) is connected to the filter plate (79) by a plurality of first tension springs (730) in an equidistant annular array, and the second filter screen (720) is connected to the filter plate (79) by a plurality of second tension springs (740) in an equidistant annular array.

3. The wastewater recycling equipment for lithium carbonate production according to claim 2, characterized in that: The first filter device (7) further includes a first water pipe (750) and a second water pipe (760) with one end fixed to and connected to the first pipe body (4), a first nozzle (770) at the other end of the first water pipe (750), and a second nozzle (780) at the other end of the second water pipe (760); the first water pipe is connected to the first round hole; the second water pipe is connected to the third round hole.

4. The wastewater recycling equipment for lithium carbonate production according to claim 2, characterized in that: The first filter device (7) further includes a first rotating rod (790) and a second rotating rod (711) rotatably mounted on the base (1), a first rotating plate (712) fixedly mounted on the first rotating rod (790) and corresponding to the first circular hole (73), a second rotating plate (713) fixedly mounted on the second rotating rod (711) and corresponding to the third circular hole (75), and a first scraper (714) and a second scraper (715) respectively fixedly mounted on the first rotating plate (712) and the second rotating plate (713).

5. The wastewater recycling equipment for lithium carbonate production according to claim 1, characterized in that: The first filter device (7) further includes a short shaft (716) fixed on the first tube (4), a first belt (717) sleeved on the first rotating rod (790) and the short shaft (716), and a second belt (718) sleeved on the second rotating rod (711) and the short shaft (716); the second rotating rod (711) on the first filter device (7) and the second filter device (8) are driven by a transmission belt (719).

6. The wastewater recycling equipment for lithium carbonate production according to claim 1, characterized in that: The reversing device (6) includes a threaded rod (61) rotatably mounted on the base (1) at both ends, a motor (62) fixed on the base (1) and used to rotate the threaded rod (61), an internal threaded rod (63) sleeved on the threaded rod (61), a transmission block (64) slidably mounted on the internal threaded rod (63), a spring (65) fixed at both ends on the internal threaded rod (63) and the transmission block (64) respectively, a push rod (66) fixed on the transmission block (64), a first slide groove (67) on the water inlet pipe (2), a second slide groove (68) on the drain pipe (3), a first stop block (69) slidably mounted in the water inlet pipe (2), a second stop block (610) slidably mounted in the drain pipe (3), a first connecting rod (620) fixed at both ends on the push rod (66) and the first stop block (69) respectively, and a second connecting rod (630) fixed at both ends on the push rod (66) and the second stop block (610) respectively.

7. The wastewater recycling equipment for lithium carbonate production according to claim 5, characterized in that: The reversing device (6) further includes a first sliding plate (640) fixedly disposed on the first stop (69) and used to seal the first slide groove (67), and a second sliding plate (650) fixedly disposed on the second stop (610) and used to seal the second slide groove (68).

8. A wastewater recycling device for lithium carbonate production according to claim 6, characterized in that: The push rod (66) is fixedly connected to the filter plate (79) in the first filter device (7) and the second filter device (8) via a fixed shaft (660).

9. A wastewater recycling device for lithium carbonate production according to claim 6, characterized in that: The threaded rod (61) and the first rotating rod (790) are rotatably connected through a universal joint cross shaft (670).