Continuous preparation device for battery-grade aluminum sulfate
By introducing a filter press mechanism and a filter plate into a battery-grade aluminum sulfate preparation device, the problem of impurity accumulation in the aluminum sulfate solution is solved, production efficiency is improved, and efficient aluminum sulfate solution filtration is achieved.
Patent Information
- Application Number
- CN202422931308.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Existing battery-grade aluminum sulfate preparation equipment produces impurities during the preparation process and lacks a filtration structure, resulting in reduced production efficiency and an inability to meet production needs.
A continuous preparation device for battery-grade aluminum sulfate including a filter press mechanism was designed. The aluminum sulfate solution was transported to the filter press box through a delivery pump and a delivery pipeline. The filter cloth and a telescopic cylinder were used for filtration. The reaction tank was heated and stirred with an electric heating ring and stirring blades, and further preliminary filtration was performed through a filter plate.
The high-efficiency filtration of aluminum sulfate solution is achieved, the production efficiency is improved, and the problem of low production efficiency caused by impurity accumulation is solved.
Smart Images

Figure CN223404528U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of battery-grade aluminum sulfate preparation, in particular to a device for continuously preparing battery-grade aluminum sulfate. Background Art
[0002] Battery-grade aluminum sulfate is a high-purity aluminum sulfate primarily used in the battery industry. In battery manufacturing, it can be used as an electrolyte additive to improve battery performance. For example, in lead-acid batteries, aluminum sulfate participates in electrode reactions, inhibiting sulfation of the battery plates and thereby extending the battery's lifespan. It also regulates the acidity of the electrolyte, stabilizing the chemical environment within the battery.
[0003] The Chinese utility model patent with announcement number CN210994300U discloses an adjustable reactor for preparing aluminum sulfate, comprising a reactor body, a shaft, and a baffle. A connecting seat is fixed to the upper surface of the reactor body by bolts, a motor is mounted on the upper surface of the connecting seat, and a shaft is rotatably mounted on the inner wall of the reactor body. The top end of the shaft is connected to the output shaft of the motor, and a stirring blade is fixed to the bottom end of the shaft by bolts. A bearing is rotatably mounted on the outer wall of the upper end of the shaft, and a mounting bracket is fixed to the outer wall of the bearing. The end of the mounting bracket facing away from the bearing is welded to the upper end of the inner wall of the reactor body. A support rod is welded to the outer wall of the lower end of the reactor body, and a slide rod is welded to the inner wall of the baffle. The slide rod is slidably mounted on the outer wall of the support rod. This utility model has a compact structure and is easy to use. It effectively isolates and warns the reactor body during use, and a shaft limiting structure is provided to prevent the shaft from vibrating significantly during rotation, meeting the user's needs.
[0004] However, during use, the utility model generates many impurities in the process of preparing the aluminum sulfate solution, and the device is not provided with a structure capable of filtering the aluminum sulfate solution, which requires additional filtering by staff, thereby reducing production efficiency and failing to meet production needs. Therefore, a battery-grade aluminum sulfate continuous preparation device is proposed to solve the above-mentioned problems. Utility Model Content
[0005] In response to the deficiencies in the prior art, the utility model provides a battery-grade aluminum sulfate continuous preparation device, which has the advantage of facilitating the filtration of the aluminum sulfate solution. It solves the problem that many impurities are generated inside the aluminum sulfate solution during the preparation process, and the device is not provided with a structure capable of filtering the aluminum sulfate solution, thereby requiring staff to perform additional filtration, reducing production efficiency and failing to meet production needs.
[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a battery-grade aluminum sulfate continuous preparation device, comprising a base and a box fixedly connected to the top of the base, a filter collection box fixedly connected to the side of the top of the base away from the box, and a filter press mechanism capable of filtering the aluminum sulfate solution is provided inside the filter collection box;
[0007] The filter press mechanism includes a filter press box that is slidably connected to the interior of the filter collection box and extends to the front thereof, a filter press cloth is fixedly connected to the inner wall of the filter press box, a feed port connected to the outside is provided on the inner bottom wall of the filter press box, a telescopic cylinder extending to the interior of the filter collection box is fixedly installed on the top of the filter collection box, and a compression plate is fixedly connected to the output end of the telescopic cylinder.
[0008] Furthermore, the compression plate is in contact with the filter cloth inside the filter press box on all sides, and the left and right sides of the filter press box are fixedly connected with positioning blocks extending into the filter collection box. The inner wall of the filter collection box is provided with a positioning groove adapted to the positioning block.
[0009] Furthermore, a guide plate is fixedly connected to the interior of the filter collection box, and a collection box extending to the front of the filter collection box is slidably connected to the inner bottom wall of the filter collection box.
[0010] Furthermore, a delivery pump is fixedly installed on the top of the base, an output end of the delivery pump is fixedly connected to a delivery pipe fixedly connected to the pressing plate, and an input end of the delivery pump is communicated with the box.
[0011] Furthermore, a reaction tank is provided inside the box body, a support frame capable of hoisting the reaction tank is fixedly installed on the inner top wall of the box body, and an electric heating ring is fixedly installed on the outer surface of the reaction tank.
[0012] Furthermore, a driving motor is fixedly connected to the top of the box body, a driving shaft extending into the interior of the reaction tank is fixedly connected to the output shaft of the driving motor, and a stirring blade is fixedly installed on the outside of the driving shaft.
[0013] Furthermore, a feed pipe communicating with the interior of the reaction tank is fixedly connected to the top of the reaction tank, the top end of the feed pipe extends to the top of the box body, and a discharge pipe is fixedly connected to the bottom of the reaction tank.
[0014] Furthermore, the interior of the box is slidably connected to a filter plate extending to the front thereof, the left and right sides of the filter plate are fixedly connected to sliders extending to the interior of the box, and the inner wall of the box is provided with a slide groove adapted to the slider.
[0015] Compared with the prior art, the present invention provides a continuous preparation device for battery-grade aluminum sulfate, which has the following beneficial effects:
[0016] 1. The battery-grade aluminum sulfate continuous preparation device is convenient for conveying the aluminum sulfate solution inside the box to the inside of the filter press by setting a delivery pump and a delivery pipeline. The aluminum sulfate solution is conveniently filtered by setting a filter cloth and a discharge port. When the impurities in the aluminum sulfate solution are completely revealed, the telescopic cylinder can be started to drive the pressing plate to move downward to filter the impurities.
[0017] 2. The battery-grade aluminum sulfate continuous preparation device can heat the reaction tank by providing an electric heating ring, and at the same time, by providing a driving motor to drive the stirring blade to rotate, it can prepare an aluminum sulfate solution inside the reaction tank. Then, by providing a filter plate, it is convenient to perform preliminary filtration of the aluminum sulfate solution, thereby improving production efficiency and solving the problem that many impurities are generated inside the aluminum sulfate solution during the preparation process, and the device is not provided with a structure for filtering the aluminum sulfate solution, thereby requiring staff to perform additional filtration, reducing production efficiency and failing to meet production needs. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a cross-sectional view of the structure of the utility model;
[0019] Figure 2 This is a schematic structural diagram of the filter press box of the utility model;
[0020] Figure 3 This is a schematic diagram of the structure of the stirring blade of the utility model;
[0021] Figure 4 This is a three-dimensional diagram of the structure of the utility model.
[0022] In the figure: 1 base, 2 box body, 3 filter collection box, 4 filter press box, 5 filter cloth, 6 discharge port, 7 telescopic cylinder, 8 compression plate, 9 guide plate, 10 collection box, 11 delivery pump, 12 delivery pipeline, 13 reaction tank, 14 support frame, 15 electric heating ring, 16 drive motor, 17 drive shaft, 18 stirring blade, 19 feed pipe, 20 discharge pipe, 21 filter plate. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] Example 1:
[0025] See also Figures 1 to 3The battery-grade aluminum sulfate continuous preparation device in this embodiment includes a base 1 and a box body 2 fixedly connected to the top of the base 1. A filter collection box 3 is fixedly connected to the side of the top of the base 1 away from the box body 2. The interior of the filter collection box 3 is provided with a filter press mechanism capable of filtering the aluminum sulfate solution. The filter press mechanism includes a filter press box 4 slidably connected to the interior of the filter collection box 3 and extending to the front thereof. A filter press cloth 5 is fixedly connected to the inner wall of the filter press box 4. A discharge port 6 connected to the outside is provided on the inner bottom wall of the filter press box 4. A telescopic cylinder 7 extending into the interior of the filter collection box 3 is fixedly installed on the top of the filter collection box 3, and a pressing plate 8 is fixedly connected to the output end of the telescopic cylinder 7.
[0026] Among them, the four sides of the compression plate 8 are in contact with the filter cloth 5 inside the filter press box 4, and the left and right sides of the filter press box 4 are fixedly connected with positioning blocks extending to the inside of the filter collection box 3. The inner wall of the filter collection box 3 is provided with a positioning groove adapted to the positioning block. The inside of the filter collection box 3 is fixedly connected with a guide plate 9, and the inner bottom wall of the filter collection box 3 is slidably connected with a collection box 10 extending to its front.
[0027] It should be noted that handles are fixedly installed on the front of the collection box 10 and the filter press box 4. The handles are provided to facilitate the staff to take out the filter press box 4 and collect impurities.
[0028] In this embodiment, a delivery pump 11 is fixedly installed on the top of the base 1 , a delivery pipe 12 fixedly connected to the pressing plate 8 is fixedly connected to the output end of the delivery pump 11 , and the input end of the delivery pump 11 is connected to the box body 2 .
[0029] The delivery pump 11 can deliver the aluminum sulfate solution to the interior of the compression plate 8 through the delivery pipe 12 , and at the same time pass through the compression plate 8 into the interior of the filter press box 4 .
[0030] In this embodiment, the interior of the box body 2 is slidably connected to a filter plate 21 extending to its front face, and the left and right sides of the filter plate 21 are fixedly connected to sliders extending into the interior of the box body 2. A sliding groove adapted to the slider is provided on the inner wall of the box body 2.
[0031] Example 2:
[0032] See also Figures 1 to 4 On the basis of the first embodiment, it includes an internal reaction tank 13 arranged in the box body 2, a support frame 14 capable of hoisting the reaction tank 13 is fixedly installed on the inner top wall of the box body 2, an electric heating ring 15 is fixedly installed on the outer surface of the reaction tank 13, a drive motor 16 is fixedly connected to the top of the box body 2, a drive shaft 17 extending to the interior of the reaction tank 13 is fixedly connected to the output shaft of the drive motor 16, and a stirring blade 18 is fixedly installed on the outside of the drive shaft 17.
[0033] In this embodiment, the top of the reaction tank 13 is fixedly connected to a feed pipe 19 connected to the interior thereof, the top of the feed pipe 19 extends to the top of the box body 2, and the bottom of the reaction tank 13 is fixedly connected to a feed pipe 20. A hydrogen peroxide solution is slowly added to the aluminum sulfate solution while constantly stirring to fully oxidize the ferrous ions. Then, the pH value of the solution is adjusted by adding an alkaline reagent such as ammonia water or sodium hydroxide solution. Generally, the pH value is adjusted to between 3 and 4. At this time, a large amount of iron ions will precipitate. After the precipitation is completed, it can be filtered and collected.
[0034] By adopting the above technical solution, the reaction tank 13 can be heated by providing the electric heating ring 15 , and the driving motor 16 is provided to drive the stirring blade 18 to rotate, so that the aluminum sulfate solution can be prepared inside the reaction tank 13 .
[0035] The working principle of the above embodiment is:
[0036] First, the staff transports the raw materials needed to prepare the aluminum sulfate solution into the reaction tank 13 through the feed pipe 19, then starts the drive motor 16 and the electric heating ring 15 to heat and mix the inside of the reaction tank 13. The prepared aluminum sulfate solution is transported to the filter plate 21 through the discharge pipe 20, and the filter plate 21 performs preliminary filtration. Then, the delivery pump 11 is started, and the aluminum sulfate solution is filtered twice by the filter press box 4.
[0037] The electrical components appearing in this article are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device that controls a computer, etc., and the existing disclosed power connection technology is also common knowledge in this field and will not be described in detail in this article.
[0038] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.
[0039] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A battery-grade aluminum sulfate continuous production device, comprising a base (1) and a box (2) fixedly connected to the top of the base (1), characterized in that: A filter collection box (3) is fixedly connected to a side of the top of the base (1) away from the box body (2), and a filter press mechanism capable of filtering the aluminum sulfate solution is provided inside the filter collection box (3); The filter press mechanism comprises a filter press box (4) which is slidably connected to the interior of a filter collection box (3) and extends to the front thereof; a filter press cloth (5) is fixedly connected to the inner wall of the filter press box (4); a feed opening (6) communicating with the outside is provided on the inner bottom wall of the filter press box (4); a telescopic cylinder (7) extending to the interior of the filter collection box (3) is fixedly installed on the top thereof; a pressing plate (8) is fixedly connected to the output end of the telescopic cylinder (7).
2. The battery-grade aluminum sulfate continuous production device according to claim 1, characterized in that: The four sides of the compression plate (8) are in contact with the filter cloth (5) inside the filter press box (4), and the left and right sides of the filter press box (4) are fixedly connected with positioning blocks extending into the interior of the filter collection box (3), and the inner wall of the filter collection box (3) is provided with positioning grooves adapted to the positioning blocks.
3. The continuous preparation device for battery-grade aluminum sulfate according to claim 1, characterized in that: A guide plate (9) is fixedly connected to the interior of the filtering and collecting box (3), and a collecting box (10) extending to the front of the filtering and collecting box (3) is slidably connected to the inner bottom wall of the filtering and collecting box (3).
4. The continuous production device for battery-grade aluminum sulfate according to claim 1, wherein: A delivery pump (11) is fixedly installed on the top of the base (1), a delivery pipe (12) fixedly connected to the pressing plate (8) is fixedly connected to the output end of the delivery pump (11), and the input end of the delivery pump (11) is connected to the box (2).
5. The continuous production device for battery-grade aluminum sulfate according to claim 1, characterized in that: A reaction tank (13) is provided inside the box body (2), a support frame (14) capable of hoisting the reaction tank (13) is fixedly installed on the inner top wall of the box body (2), and an electric heating ring (15) is fixedly installed on the outer surface of the reaction tank (13).
6. The continuous production device for battery-grade aluminum sulfate according to claim 5, characterized in that: A driving motor (16) is fixedly connected to the top of the box (2), a driving shaft (17) extending into the interior of the reaction tank (13) is fixedly connected to the output shaft of the driving motor (16), and a stirring blade (18) is fixedly installed on the outside of the driving shaft (17).
7. The continuous production device for battery-grade aluminum sulfate according to claim 5, characterized in that: The top of the reaction tank (13) is fixedly connected to a feed pipe (19) communicating with the interior thereof, the top end of the feed pipe (19) extends to the top of the box body (2), and the bottom of the reaction tank (13) is fixedly connected to a discharge pipe (20).
8. The continuous production device for battery-grade aluminum sulfate according to claim 1, characterized in that: The box body (2) is slidably connected to a filter plate (21) extending to the front thereof, and the left and right sides of the filter plate (21) are fixedly connected to sliders extending to the inside of the box body (2), and a sliding groove adapted to the slider is provided on the inner wall of the box body (2).
Citation Information
Patent Citations
Adjustable reaction kettle for preparing aluminum sulfate
CN210994300U