Acid mixer for wet-process phosphoric acid
By designing a wet phosphoric acid mixer containing a filter and a grinding mechanism, the problem of the inability to screen phosphate ores in the prior art is solved, and efficient reaction and uniform mixing of phosphate ores and acids is achieved, product quality and reaction efficiency are improved, and the stability and safety of the reaction process are ensured.
Patent Information
- Application Number
- CN202421316879.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-06-11
AI Technical Summary
The existing wet phosphoric acid mixer cannot screen the crushed phosphorus ore, resulting in a reduced reaction effect between the phosphorus ore and acid, affecting the quality of the finished product.
An acid mixer for wet phosphoric acid including a tank body, an annular cavity, a heating coil, a box body, a hopper, a liquid inlet pipe, a filter mesh, a grinding mechanism and a mixing mechanism is designed. Through the combination of the filter and the grinding mechanism, efficient screening and grinding of phosphate ores is achieved, making it more fully reacted with acid.
Through efficient screening and grinding, the reaction efficiency and product quality of phosphate ore and acid are improved, while ensuring uniform mixing of phosphate ore and acid is promoted, and the reaction effect is promoted. Through the introduction of temperature sensors and controllers, the stability and safety of the reaction process are ensured.
Smart Images
Figure CN222534763U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of acid mixers, and in particular relates to an acid mixer for wet-process phosphoric acid. Background Art
[0002] An acid mixer is a container used to mix two or more specific acids in a specific ratio. In the wet phosphoric acid production process, the acid mixer is mainly used in the acid leaching process. After the phosphate rock is crushed, it is mixed with dilute sulfuric acid or phosphoric acid. This mixing process is usually completed in the acid mixer. The acid mixer can achieve uniform mixing of phosphate rock and acid, and promote the reaction of phosphate rock and acid by controlling parameters such as temperature and stirring speed.
[0003] However, the existing wet-process phosphoric acid mixer is unable to screen the crushed phosphate ore when in use, which may cause some insufficiently crushed phosphate ore to enter the container and mix with the acid, thereby greatly reducing the reaction effect of the phosphate ore and the acid, and easily affecting the quality of the finished product. Utility Model Content
[0004] The utility model provides an acid mixer for wet-process phosphoric acid, aiming to solve the problem that the existing acid mixer proposed in the above background technology cannot screen the crushed phosphate ore, thereby reducing the reaction effect of the phosphate ore and the acid, which is easy to affect the quality of the outputted product.
[0005] To solve the above problems, the utility model is implemented as follows: an acid mixer for wet-process phosphoric acid, comprising: a tank body, an annular cavity is provided on the tank body, a heating coil is provided inside the annular cavity; a box body fixedly mounted on the top of the tank body, a discharge port connected to the annular cavity is provided at the bottom of the box body, and a hopper for feeding phosphate ore is provided on the top of the box body; two liquid inlet pipes are respectively fixedly mounted on both sides of the tank body, and a funnel for feeding acid is provided at the top of the two liquid inlet pipes; a filter screen fixedly mounted on the inner wall of the box body for screening phosphate ore; a grinding mechanism mounted on the box body for grinding phosphate ore; and a mixing mechanism mounted on the tank body for stirring liquid.
[0006] Preferably, the grinding mechanism includes: a rotating shaft vertically mounted in the center of the top of the box body, a rectangular groove being provided at the bottom of the rotating shaft; a rectangular rod slidably mounted on the inner wall of the rectangular groove, a grinding block being fixedly mounted on the bottom end of the rectangular rod, and the grinding block is in contact with the filter; a plurality of springs fixedly mounted on the inner wall of the top of the rectangular groove, the bottoms of the plurality of springs being fixedly connected to the top of the rectangular rod; a first motor fixedly mounted on the top of the box body, and the output shaft of the first motor being fixedly connected to the top of the rotating shaft.
[0007] Preferably, the mixing mechanism includes: a rotating rod vertically rotatably mounted at the bottom of the tank body, with a plurality of stirring rods fixedly mounted on the rotating rod; and a second motor arranged below the tank body, with an output shaft of the second motor fixedly connected to the bottom end of the rotating rod.
[0008] Preferably, solenoid valves are provided on the two liquid inlet pipes, and a plurality of supporting legs are fixedly mounted on both sides of the tank body.
[0009] Preferably, a discharge pipe is fixedly installed at the bottom of the tank body, and a valve is provided on the discharge pipe.
[0010] Preferably, a temperature sensor is fixedly mounted on an inner wall of one side of the tank body, and a controller is fixedly mounted on one side of the tank body.
[0011] Preferably, a cover plate is hinged on the hopper, and two handles are fixedly mounted on the top of the cover plate.
[0012] Compared with the related art, the acid mixer for wet-process phosphoric acid provided by the utility model has the following beneficial effects:
[0013] Compared with the prior art, the wet-process phosphoric acid mixer provided in the present invention realizes efficient grinding and screening of phosphate rock through the coordinated use of a filter screen and a grinding mechanism, so that the reaction between phosphate rock and acid is more complete, thereby improving the reaction efficiency and product quality. At the same time, the design of the mixing mechanism also ensures that the phosphate rock and the acid can be evenly mixed, further promoting the reaction effect. Secondly, the process of adding acid and discharging reaction products can be realized through the funnel on the liquid inlet pipe and the discharge pipe at the bottom of the tank body. In addition, the introduction of the temperature sensor and the controller enables the reaction temperature to be monitored and automatically adjusted in real time, thereby ensuring the stability and safety of the reaction process. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic cross-sectional view of a wet-process phosphoric acid mixer provided by the utility model;
[0015] Figure 2 for Figure 1 An enlarged structural diagram of part A shown in FIG.
[0016] Figure 3 It is a three-dimensional structural schematic diagram of the cover plate and the handle in the utility model.
[0017] Figure numerals: 1. tank body; 2. heating coil; 3. box body; 4. hopper; 5. liquid inlet pipe; 6. filter screen; 7. rotating shaft; 8. rectangular rod; 9. grinding block; 10. spring; 11. first motor; 12. rotating rod; 13. second motor; 14. stirring rod; 15. discharge pipe; 16. temperature sensor; 17. cover plate; 18. handle; 19. controller. DETAILED DESCRIPTION
[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "including" and "having" in the specification and claims of the present application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present application or the above-mentioned figures are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.
[0019] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.
[0020] The utility model embodiment provides an acid mixer for wet-process phosphoric acid, such as Figure 1-3 As shown, the acid mixer for wet phosphoric acid comprises: a tank body 1, on which an annular cavity is provided, and a heating coil 2 is provided inside the annular cavity; a box body 3 fixedly mounted on the top of the tank body 1, a discharge port communicating with the annular cavity is provided at the bottom of the box body 3, and a hopper 4 for feeding phosphate ore is provided on the top of the box body 3; two liquid inlet pipes 5 fixedly mounted on both sides of the tank body 1, and the tops of the two liquid inlet pipes 5 are both provided with a funnel for feeding acid; a filter screen 6 fixedly mounted on the inner wall of the box body 3 for screening phosphate ore; a grinding mechanism mounted on the box body 3 for grinding phosphate ore; and a mixing mechanism mounted on the tank body 1 for stirring liquid.
[0021] In this embodiment, the acid mixer includes a tank body 1, which is provided with an annular cavity, and a heating coil 2 is arranged inside the annular cavity for controlling the temperature during the acid mixing process. A box body 3 is fixedly installed on the top of the tank body 1, and a discharge port is arranged at the bottom of the box body 3, and a hopper 4 is arranged on the top. The hopper 4 can conveniently put the phosphate ore into the box body 3. A liquid inlet pipe 5 is installed on each side of the tank body 1, and a funnel is arranged on the top to put the required acid so that the acid can enter the tank body 1. In particular, a filter screen 6 is fixedly installed inside the box body 3 for screening the phosphate ore to ensure that only the phosphate ore that is sufficiently crushed can enter the tank body 1 for reaction. In addition, a grinding mechanism is also installed on the box body 3 for further crushing and grinding the phosphate ore, and some insufficiently crushed phosphate ores can be ground, thereby improving the reaction activity of the phosphate ore. Finally, a mixing mechanism is also installed on the tank body 1 for stirring the liquid to ensure that the phosphate ore and the acid can be evenly mixed, thereby further promoting the reaction efficiency.
[0022] In a further preferred embodiment of the utility model, the grinding mechanism includes: a rotating shaft 7 vertically mounted in the center of the top of the box body 3, and a rectangular groove is opened at the bottom of the rotating shaft 7; a rectangular rod 8 slidably mounted on the inner wall of the rectangular groove, and a grinding block 9 is fixedly mounted on the bottom end of the rectangular rod 8, and the grinding block 9 is in contact with the filter 6; a plurality of springs 10 fixedly mounted on the inner wall of the top of the rectangular groove, and the bottoms of the plurality of springs 10 are fixedly connected to the top of the rectangular rod 8; a first motor 11 fixedly mounted on the top of the box body 3, and the output shaft of the first motor 11 is fixedly connected to the top of the rotating shaft 7.
[0023] In this embodiment, the grinding mechanism includes a rotating shaft 7 rotatably mounted on the housing 3, the rotating shaft 7 is provided with a rectangular groove, a rectangular rod 8 is slidably mounted inside the rectangular groove, a grinding block 9 is fixedly mounted at the bottom end of the rectangular rod 8, the grinding block 9 is in close contact with the filter screen 6, when the rotating shaft 7 rotates, the grinding block 9 will rotate on the filter screen 6 to grind the phosphate ore, at the same time, a plurality of springs 10 are fixedly mounted on the top inner wall of the rectangular groove, the bottoms of these springs 10 are fixedly connected to the top of the rectangular rod 8, the arrangement of the springs 10 enables the rectangular rod 8 and the grinding block 9 to generate a certain amount of up and down vibration during the grinding process, thereby improving the grinding effect and efficiency, in addition, a first motor 11 is fixedly mounted on the top of the housing 3, the output shaft of the first motor 11 is fixedly connected to the top of the rotating shaft 7, by starting the first motor 11, the rotating shaft 7 can be driven to rotate, thereby driving the grinding block 9 to grind the phosphate ore, the ground phosphate ore can react better with the acid, which helps to improve the quality of the finished product.
[0024] In a further preferred embodiment of the utility model, the mixing mechanism includes: a rotating rod 12 vertically rotatably installed at the bottom of the tank body 1, and a plurality of stirring rods 14 are fixedly installed on the rotating rod 12; a second motor 13 is arranged below the tank body 1, and the output shaft of the second motor 13 is fixedly connected to the bottom end of the rotating rod 12.
[0025] In this embodiment, the design of the mixing mechanism plays a key role in improving the mixing effect of phosphate rock and acid. Specifically, the mixing mechanism includes a rotating rod 12 rotatably mounted on the tank body 1, and a plurality of stirring rods 14 are fixedly mounted on the rotating rod 12. As the rotating rod 12 rotates, the stirring rods 14 can generate a strong stirring effect inside the tank body 1, so that the phosphate rock and the acid can be fully mixed. In addition, a second motor 13 is arranged under the tank body 1, and the output shaft of the second motor 13 is fixedly connected to the bottom end of the rotating rod 12. By starting the second motor 13, the rotating rod 12 and the stirring rods 14 thereon can be driven to rotate, thereby achieving mixing of the liquid.
[0026] In a further preferred embodiment of the utility model, solenoid valves are provided on the two liquid inlet pipes 5 , and a plurality of supporting legs are fixedly installed on both sides of the tank body 1 .
[0027] In this embodiment, closing the two solenoid valves can prevent external impurities from entering the tank body 1 through the two liquid inlet pipes 5 after the acid is added, and the acid mixer can be stably supported in the use position by multiple supporting legs.
[0028] In a further preferred embodiment of the present invention, a discharge pipe 15 is fixedly installed at the bottom of the tank body 1 , and a valve is provided on the discharge pipe 15 .
[0029] In this embodiment, a discharge pipe 15 is fixedly installed at the bottom of the tank body 1, and a valve is provided on the discharge pipe 15. This design enables the acid mixer to conveniently discharge the reaction product after completing the mixing reaction of the phosphate rock and the acid. Specifically, when the reaction is completed, by opening the valve on the discharge pipe 15, the reaction product can be smoothly discharged from the tank body 1 and enter the subsequent process flow. At the same time, the setting of the valve makes the discharge process controllable, and the discharge speed and amount can be adjusted according to actual production needs.
[0030] In a further preferred embodiment of the present invention, a temperature sensor 16 is fixedly mounted on an inner wall of one side of the tank body 1 , and a controller 19 is fixedly mounted on one side of the tank body 1 .
[0031] In this embodiment, a temperature sensor 16 is fixedly installed on the inner wall of one side of the tank body 1. This design allows us to monitor the temperature inside the tank body 1 in real time, so as to ensure that the reaction process is carried out under suitable temperature conditions. The temperature sensor 16 can timely feed back the temperature information to the control system, helping us to adjust the power of the heating coil 2 to keep the reaction temperature at an optimal state. At the same time, a controller 19 is also fixedly installed on one side of the tank body 1. The controller 19 is the core control component of the entire acid mixer and is responsible for receiving and processing signals from various components and accurately controlling the operation of the acid mixer according to preset programs and parameters. For example, according to the temperature information fed back by the temperature sensor 16, the controller 19 can automatically adjust the heating power of the heating coil 2 to ensure the stability of the reaction temperature.
[0032] In a further preferred embodiment of the present invention, a cover plate 17 is hingedly connected to the hopper 4 , and two handles 18 are fixedly mounted on the top of the cover plate 17 .
[0033] In this embodiment, by covering the cover plate 17, foreign impurities can be prevented from entering the hopper 4 and contaminating the phosphate ore. Two handles 18 are fixedly installed on the top of the cover plate 17, which makes it more convenient and labor-saving for operators to open or close the cover plate 17.
[0034] In summary, compared with the relevant technology, this solution realizes efficient grinding and screening of phosphate rock through the coordinated use of the filter 6 and the grinding mechanism, so that the reaction between the phosphate rock and the acid is more complete, thereby improving the reaction efficiency and product quality. At the same time, the design of the mixing mechanism also ensures that the phosphate rock and the acid can be evenly mixed, further promoting the reaction effect. Secondly, through the funnel on the liquid inlet pipe 5 and the discharge pipe 15 at the bottom of the tank body 1, the process of adding acid and discharging reaction products can be realized. In addition, the introduction of the temperature sensor 16 and the controller 19 enables the reaction temperature to be monitored and automatically adjusted in real time, ensuring the stability and safety of the reaction process.
[0035] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.
[0036] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.
Claims
1. A wet-process phosphoric acid mixer, characterized in that: include: A tank body, wherein an annular cavity is arranged on the tank body, and a heating coil is arranged inside the annular cavity; a box body fixedly mounted on the top of the tank body, a discharge port connected to the annular cavity is opened at the bottom of the box body, and a hopper for feeding phosphate ore is arranged on the top of the box body; two liquid inlet pipes are respectively fixedly mounted on both sides of the tank body, and a funnel for feeding acid is arranged at the top of the two liquid inlet pipes; a filter screen fixedly mounted on the inner wall of the box body for screening phosphate ore; a grinding mechanism mounted on the box body for grinding phosphate ore; and a mixing mechanism mounted on the tank body for stirring liquid.
2. The acid mixer for wet-process phosphoric acid according to claim 1, characterized in that: The grinding mechanism includes: a rotating shaft vertically mounted in the center of the top of the box body, a rectangular groove being provided at the bottom of the rotating shaft; a rectangular rod slidably mounted on the inner wall of the rectangular groove, a grinding block being fixedly mounted at the bottom end of the rectangular rod, the grinding block being in contact with the filter screen; a plurality of springs fixedly mounted on the inner wall of the top of the rectangular groove, the bottoms of the plurality of springs being fixedly connected to the top end of the rectangular rod; a first motor fixedly mounted on the top of the box body, the output shaft of the first motor being fixedly connected to the top end of the rotating shaft.
3. The acid mixer for wet-process phosphoric acid according to claim 1, characterized in that: The mixing mechanism comprises: a rotating rod vertically rotatably mounted at the bottom of the tank body, on which a plurality of stirring rods are fixedly mounted; and a second motor disposed below the tank body, wherein an output shaft of the second motor is fixedly connected to the bottom end of the rotating rod.
4. The acid mixer for wet-process phosphoric acid according to claim 1, characterized in that: The two liquid inlet pipes are both provided with electromagnetic valves, and a plurality of supporting legs are fixedly installed on both sides of the tank body.
5. The acid mixer for wet-process phosphoric acid according to claim 1, characterized in that: A discharge pipe is fixedly installed at the bottom of the tank body, and a valve is arranged on the discharge pipe.
6. The acid mixer for wet-process phosphoric acid according to claim 1, characterized in that: A temperature sensor is fixedly installed on the inner wall of one side of the tank body, and a controller is fixedly installed on one side of the tank body.
7. The acid mixer for wet-process phosphoric acid according to claim 1, characterized in that: A cover plate is hinged on the hopper, and two handles are fixedly installed on the top of the cover plate.