Kettle type in-situ solid grinder
By using an in-situ solid grinder to crush solid particles within the reactor, the problems of difficult handling of potassium carbonate powder and low particle reaction efficiency were solved, achieving efficient solid-liquid reaction and cost reduction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DALIAN JOIN KING FINE CHEM CO LTD
- Filing Date
- 2025-04-30
- Publication Date
- 2026-05-12
AI Technical Summary
In traditional solid-liquid reactions, potassium carbonate powder is difficult to handle, poses high safety risks, and is costly, while granular potassium carbonate has low reaction efficiency. The encapsulation of the product prevents the internal potassium carbonate from fully participating in the reaction, affecting production efficiency and cost.
采用釜式原位固体研磨器,通过研磨轮和研磨辊在反应釜内挤压破碎固体颗粒,露出内部碳酸钾,确保其与反应液充分接触。
It improves the utilization rate of solid particles and reaction efficiency, reduces production costs, and decreases the amount of potassium carbonate and post-treatment acid used.
Smart Images

Figure CN224221441U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of solid grinding equipment, and in particular to a kettle-type in-situ solid grinding machine. Background Technology
[0002] In the field of fine chemicals, solid-liquid two-phase reactions are very common, among which reactions involving potassium carbonate are quite representative; traditional solid-liquid reaction processes have many drawbacks, affecting production efficiency and economic benefits.
[0003] From the perspective of raw material characteristics and usage challenges, potassium carbonate, which is commonly used for adsorbing alkali, presents several problems. While using powdered potassium carbonate can improve the reaction efficiency to some extent, its fine solid particles, low density, and large volume cause significant difficulties in the feeding process. The feeding process is not only difficult to operate but also poses considerable safety risks. Furthermore, powdered potassium carbonate is expensive, requires strict storage conditions, and is prone to moisture absorption and deterioration, undoubtedly increasing the overall production cost. Although granular potassium carbonate is relatively convenient to feed and has a lower cost, it still has certain shortcomings in actual production.
[0004] During the reaction, potassium carbonate is insoluble in the solvent, and the reaction occurs only on its surface. As the reaction continues, some of the products (potassium chloride and potassium bicarbonate) gradually coat the surface of the solid potassium carbonate, forming a barrier layer that prevents the internal potassium carbonate from fully contacting the reaction solution and thus hinders its participation in the reaction. This may lead to low raw material utilization, and in some reaction processes, the amount of potassium carbonate used must be increased to ensure the reaction effect. The increased amount of potassium carbonate further prolongs the reaction time, resulting in a corresponding increase in the amount of acid required for post-treatment neutralization, and production costs need to be further reduced. Utility Model Content
[0005] The purpose of this invention is to solve the problems mentioned in the background art and to propose a kettle-type in-situ solid grinder.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A batch-type in-situ solid grinder includes a reaction vessel and further includes:
[0008] The drive rod is rotatably connected to the reactor.
[0009] The stirring blades are fixedly connected to the drive rod;
[0010] The connecting ring is detachably connected to the drive rod;
[0011] The support rod is fixedly connected to the connecting ring;
[0012] The telescopic pole is slidably connected to the support pole;
[0013] The mounting bracket is fixedly connected to the end of the telescopic rod away from the support rod.
[0014] The grinding wheel is rotatably connected to the mounting bracket.
[0015] Preferably, a connecting rod is fixedly connected to the bottom of the drive rod, and a grinding roller is rotatably connected to the end of the connecting rod away from the drive rod.
[0016] Furthermore, a sliding cavity is provided in the support rod, the telescopic rod is placed in the sliding cavity, and the side wall of the telescopic rod is in contact with the inner side wall of the sliding cavity.
[0017] Furthermore, a spring is fixedly connected to the telescopic rod, and the end of the spring away from the telescopic rod is fixedly connected to the inner wall of the sliding cavity.
[0018] Preferably, a drive motor is fixedly connected to the top of the reactor, and the drive end of the drive motor is fixedly connected to the drive rod.
[0019] Preferably, a sealing sleeve is fixedly connected to the end of the support rod away from the drive rod, and the inner wall of the sealing sleeve is in contact with the side wall of the telescopic rod.
[0020] Compared with the prior art, this utility model provides a batch-type in-situ solid grinder, which has the following beneficial effects:
[0021] The parts of this device not described herein are the same as or can be implemented using existing technologies. This utility model uses the grinding wheel and grinding roller at the bottom of the reactor to crush the solid particles that have been stirred to different positions in the reactor, thereby effectively exposing the potassium carbonate inside and allowing the solid particles to fully contact and react with the reaction liquid, effectively improving the utilization rate of the solid particles. At the same time, the crushed solid particles can effectively contact and react with the reaction liquid, improving the reaction efficiency. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the structure of a batch-type in-situ solid grinder proposed in this utility model;
[0023] Figure 2 This is a cross-sectional view of a batch-type in-situ solid grinder proposed in this utility model;
[0024] Figure 3 This is a schematic diagram of the drive rod in a batch-type in-situ solid grinder proposed in this utility model;
[0025] Figure 4 This utility model proposes a batch-type in-situ solid grinder. Figure 2 Enlarged view of section A in the middle.
[0026] In the diagram: 1. Reactor; 2. Drive motor; 201. Drive rod; 2011. Stirring blade; 3. Mounting frame; 301. Grinding wheel; 4. Connecting ring; 5. Grinding roller; 501. Connecting rod; 6. Telescopic rod; 601. Sealing sleeve; 7. Support rod; 701. Slide cavity; 7011. Spring. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0028] Example 1:
[0029] Reference Figures 1-4 A batch-type in-situ solid grinder includes a reaction vessel 1, and further includes:
[0030] Drive rod 201 is rotatably connected to reactor 1;
[0031] A drive motor 2 is fixedly connected to the top of the reactor 1, and the drive end of the drive motor 2 is fixedly connected to the drive rod 201.
[0032] The stirring blade 2011 is fixedly connected to the drive rod 201;
[0033] Connecting ring 4 is detachably connected to drive rod 201;
[0034] Support rod 7 is fixedly connected to connecting ring 4;
[0035] Telescopic rod 6 is slidably connected to support rod 7;
[0036] Mounting bracket 3 is fixedly connected to the end of telescopic rod 6 away from support rod 7;
[0037] The grinding wheel 301 is rotatably connected to the mounting bracket 3.
[0038] In specific implementation, a sliding cavity 701 is provided in the support rod 7, the telescopic rod 6 is placed in the sliding cavity 701, and the side wall of the telescopic rod 6 is attached to the inner side wall of the sliding cavity 701.
[0039] Reference Figure 1 , Figure 3 When in use, the solid potassium carbonate particles to be reacted and the reaction liquid are added to the reaction vessel 1, and the drive motor 2 is started. The drive motor 2 will drive the stirring blade 2011 fixedly connected to its bottom to rotate, thereby stirring the solid-liquid mixture in the reaction vessel 1, so that the solid particles and the reaction liquid can react fully.
[0040] Reference Figures 2-4While the stirring reaction is underway, the drive rod 201 will also drive the connecting ring 4 to rotate, which in turn will drive the support rod 7 and the telescopic rod 6 to move synchronously. At this time, the grinding wheel 301 will slide along the inner wall of the reactor 1. When some solid particles are stirred into the gap between the grinding wheel 301 and the inner wall of the reactor 1, the rotating grinding wheel 301 will squeeze and knead the solid particles, thereby destroying the surface of the solid particles. After the solid particles are squeezed and broken, the potassium carbonate inside will be exposed and continue to react with the reaction liquid.
[0041] Reference Figure 2 , Figure 3 In specific implementation, a connecting rod 501 is fixedly connected to the bottom of the drive rod 201, and a grinding roller 5 is rotatably connected to the end of the connecting rod 501 away from the drive rod 201.
[0042] The rotation of the drive rod 201 will also synchronously drive the connecting rod 501 fixedly connected to its bottom end to rotate. When the connecting rod 501 rotates, it will synchronously drive the grinding roller 5 at the tail end of the connecting rod 501 to rotate. When the solid particles in the reactor 1 are stirred to the gap between the bottom grinding roller 5 and the bottom wall of the reactor 1, the particles stirred to the bottom will be squeezed, kneaded and broken under the action between the grinding roller 5 and the reactor 1. After the solid particles are squeezed and broken, the potassium carbonate inside will be exposed and continue to react with the reaction liquid.
[0043] The grinding wheel 301 and the grinding roller 5 at the bottom of the reactor 1 are installed in the device to crush the solid particles that have been stirred to different positions in the reactor 1, thereby effectively exposing the potassium carbonate inside and allowing the solid particles to fully contact and react with the reaction liquid, which effectively improves the utilization rate of solid particles. At the same time, the crushed solid particles can effectively contact and react with the reaction liquid, which improves the reaction efficiency.
[0044] In practice, a spring 7011 is fixedly connected to the telescopic rod 6, and the end of the spring 7011 away from the telescopic rod 6 is fixedly connected to the inner wall of the sliding cavity 701.
[0045] During the grinding process, the spring 7011 installed in the sliding cavity 701 enables the telescopic rod 6 to quickly return to its original position, so that the grinding wheel 301 at its tail end is stably attached to the inner wall of the reactor 1.
[0046] In practical use, a sealing sleeve 601 is fixedly connected to the end of the support rod 7 away from the drive rod 201, and the inner wall of the sealing sleeve 601 is in contact with the side wall of the telescopic rod 6.
[0047] Reference Figure 3 , Figure 4By using the sealing sleeve 601 on the support rod 7, the sealing performance of the telescopic rod 6 during the reciprocating sliding process can be ensured, effectively preventing the liquid in the reactor 1 from flowing into the sliding cavity 701 through the gap between the telescopic rod 6 and the support rod 7, thereby ensuring that the telescopic rod 6 can slide stably.
[0048] Example 2:
[0049] A batch-type in-situ solid grinder is basically the same as that in Example 1, but further, multiple sets of grinding wheels 301 and support rods 7 are provided and are evenly distributed from top to bottom along the inner wall of the drive rod 201.
[0050] The grinding components in this device effectively crush solid particles, reducing the amount of solid particles used and thus significantly lowering production costs.
[0051] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A batch-type in-situ solid grinder, comprising a reaction vessel (1), characterized in that, Also includes: The drive rod (201) is rotatably connected to the reactor (1); The stirring blade (2011) is fixedly connected to the drive rod (201); The connecting ring (4) is detachably connected to the drive rod (201); The support rod (7) is fixedly connected to the connecting ring (4); The telescopic rod (6) is slidably connected to the support rod (7); Mounting bracket (3) is fixedly connected to the end of telescopic rod (6) away from support rod (7); The grinding wheel (301) is rotatably connected to the mounting bracket (3).
2. The in-situ solid grinding machine according to claim 1, characterized in that, A connecting rod (501) is fixedly connected to the bottom of the drive rod (201), and a grinding roller (5) is rotatably connected to the end of the connecting rod (501) away from the drive rod (201).
3. The in-situ solid grinding machine according to claim 1, characterized in that, The support rod (7) has a sliding cavity (701), the telescopic rod (6) is placed in the sliding cavity (701), and the side wall of the telescopic rod (6) is in contact with the inner side wall of the sliding cavity (701).
4. A batch-type in-situ solid grinding mill according to claim 3, characterized in that, A spring (7011) is fixedly connected to the telescopic rod (6), and the end of the spring (7011) away from the telescopic rod (6) is fixedly connected to the inner wall of the sliding cavity (701).
5. A batch-type in-situ solid grinding mill according to claim 1, characterized in that, A drive motor (2) is fixedly connected to the top of the reactor (1), and the drive end of the drive motor (2) is fixedly connected to the drive rod (201).
6. A batch-type in-situ solid grinding mill according to claim 1, characterized in that, A sealing sleeve (601) is fixedly connected to one end of the support rod (7) away from the drive rod (201), and the inner wall of the sealing sleeve (601) is in contact with the side wall of the telescopic rod (6).