Sodium modified material pulping system

Abstract

The utility model discloses a sodium modified material pulping system. The pulping system comprises a sodium modified material bin, a metering belt conveyor, a rod mill feeding pipe, a water metering system, a rod mill and a stirring tank, the feeding end of the metering belt conveyor is located at the bottom of a discharging pipe of the sodium modification bin. The top of the rod mill feeding pipe is open and located at the discharging end of the metering belt conveyor, and the bottom of the rod mill feeding pipe is communicated with the feeding end of the rod mill. The utility model relates to the technical field of sodium-modified material processing, and realizes accurate metering of the weight of a sodium-modified material through an automatic metering belt. And meanwhile, the electromagnetic flowmeter and the valve are matched to finish metering of water, so that a strict liquid-solid ratio is ensured. The automatic metering mode not only improves the production efficiency, but also reduces the labor intensity of workers. And the bent part of the water outlet pipe is attached to the inner wall of the feeding pipe of the rod mill, so that normal falling of a sodium salt material is ensured, a liquid-solid mixture directly enters the rod mill, and retention and adhesion are avoided.

Description

Technical Field

[0001] This utility model relates to the field of sodium chemical processing technology, specifically a sodium chemical pulping system. Background Technology

[0002] The sodium-treated material produced in the spent catalyst sodium-treated kiln needs to be pulped in preparation for the next leaching process. Ensuring stable leaching production is crucial during the pulping process, and the key lies in the liquid-to-solid ratio. The liquid-to-solid ratio refers to the proportion of liquid to solid raw materials during pulping; only by achieving a fixed liquid-to-solid ratio can the stability and effectiveness of the leaching process be guaranteed.

[0003] In existing pulping processes, a certain amount of sodium-modified feedstock is typically added manually, followed by a manual weighing of water, and finally, stirring for a certain period to complete the pulping. This method has several drawbacks: First, it is labor-intensive, inefficient, and prone to causing fatigue during production; second, the instability of manual operation leads to uneven particle size in the pulp, thus affecting the leaching effect. Furthermore, existing pulping processes also have problems with metering and proportioning, making it difficult to achieve precise metering and proportioning of sodium-modified feedstock and water, thereby affecting the stability of the liquid-solid ratio. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a sodium-based pulping system that solves the problem of inaccurate measurement caused by the manual metering method used in existing sodium-based pulping processes.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a sodium-based feedstock pulping system, comprising a sodium-based feedstock silo, a metering belt conveyor, a rod mill feed pipe, a water metering system, a rod mill, and a mixing tank; the feed inlet of the metering belt conveyor is located at the bottom of the discharge pipe of the sodium-based feedstock silo; the top of the rod mill feed pipe is open and located at the discharge end of the metering belt conveyor, and the bottom is connected to the feed inlet of the rod mill; the discharge end of the rod mill is connected to the mixing tank.

[0006] The water metering system is connected to the feed pipe of the rod mill. The water metering system includes a water outlet pipe inserted into the feed pipe of the rod mill. The portion of the water outlet pipe inserted into the feed pipe of the rod mill is bent downward to form a bend. The bend is attached to the inner wall of the feed pipe of the rod mill and is parallel to the feed pipe of the rod mill.

[0007] Preferably, a knife-shaped valve is provided on the feeding pipe, the feeding pipe is suspended above the metering belt conveyor, and there is a gap between the feeding pipe and the metering belt conveyor.

[0008] Preferably, the outer wall of the sodium silo is provided with a silo wall vibrator.

[0009] Preferably, the metering belt conveyor includes a frame, a belt is installed inside the frame, a motor and a reducer for driving the belt are installed on the frame, a weighing module for weighing the belt is installed at the bottom of the belt, and a weighing controller is installed on one side of the frame, and the weighing module is electrically connected to the weighing controller.

[0010] Preferably, the speed reducer is equipped with a speed sensor.

[0011] Preferably, the metering belt conveyor further includes a weighing idler, which is mounted on the weighing module.

[0012] Preferably, the belt has side rails on both sides.

[0013] Preferably, the water metering system further includes an inlet pipe, on which a ball valve and an electromagnetic flow meter are connected, and the electromagnetic flow meter is connected to an outlet pipe.

[0014] Preferably, the bottom surface of the mixing tank is inclined, and the lower end is located in the direction of the liquid outlet.

[0015] Preferably, a water pump is provided at the outlet of the mixing tank.

[0016] The beneficial effects of this utility model are as follows: By using the sodium-based material slurry system provided by this utility model, compared with the prior art, the accurate measurement of sodium-based material weight is achieved through an automated metering belt. Simultaneously, the use of an electromagnetic flowmeter and valves to measure water ensures a strict liquid-to-solid ratio. This automated metering method not only improves production efficiency but also reduces manual labor intensity. The bent part of the water outlet pipe is fitted to the inner wall of the rod mill feed pipe and is parallel to it. This design ensures maximum material discharge space within the rod mill feed pipe, ensuring the normal fall of the sodium-based material; it prevents the sodium-based material from falling into the water outlet pipe, avoiding blockage problems; and the water flowing from the water outlet pipe directly impacts the sodium-based material, in the same direction as its fall. The impact force of the water flow combined with the falling potential energy of the sodium-based material allows the liquid-solid mixture to directly enter the rod mill without stagnation or adhesion. Attached Figure Description

[0017] Figure 1 This is a front view of the pulping system of this utility model;

[0018] Figure 2 This is a top view of the pulping system of this utility model.

[0019] Explanation of reference numerals in the figure

[0020] 1. Sodium silo; 11. Knife valve; 12. Silo wall vibrator; 13. Feed pipe;

[0021] 2. Metering belt conveyor; 21. Frame; 22. Belt; 23. Weighing module; 24. Motor; 25. Reducer; 26. Speed ​​sensor; 27. Weighing controller; 28. Weighing idler; 29. ​​Side rail.

[0022] 3. Rod mill feed pipe;

[0023] 4. Water metering system; 41. Inlet pipe; 42. Ball valve; 43. Electromagnetic flow meter; 44. Outlet pipe;

[0024] 5. Rod mill;

[0025] 6. Mixing tank;

[0026] 7. Water pump. Detailed Implementation

[0027] To better explain and facilitate understanding of the present invention, a detailed description of the invention is provided below with reference to the accompanying drawings and specific embodiments. This utility model provides a sodium-based material pulping system, including a sodium-based material silo, a metering belt conveyor, a rod mill feed pipe, a water metering system, a rod mill, and a mixing tank. The sodium-based material falls freely onto the metering belt conveyor, which adds a predetermined weight of sodium-based material to the rod mill feed pipe. Simultaneously, the water metering system adds a predetermined amount of water through the outlet to the rod mill feed pipe. The sodium-based material and water enter the rod mill under the influence of gravity and the flushing effect of the water. As the rollers rotate, the grinding rods continuously rise and fall inside the rod mill, grinding and crushing the sodium-based material. Under the free flow of the sodium-based slurry and the flushing effect of the water, the slurry is discharged from the rod mill outlet and flows into the pulping tank. Inside the pulping tank, the slurry is thoroughly mixed by the stirring paddle and then pumped to the next process. With the cooperation of the metering belt conveyor and the water metering system, a stable solid-liquid ratio can be achieved according to the set output, ensuring stable production in the next process.

[0028] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Various changes can be made to the implementation scheme as long as the effects of the present invention can be achieved.

[0029] Those skilled in the art can connect the components in this case sequentially. The specific connection and operation sequence should refer to the working principle described below. The detailed connection methods are well-known technologies in the field. The working principle and process are mainly described below.

[0030] like Figure 1-2 The sodium-based material pulping system of this implementation scheme includes a sodium-based material silo 1, a metering belt conveyor 2, a rod mill feed pipe 3, a water metering system 4, a rod mill 5, and a mixing tank 6.

[0031] The sodium silo 1 is used to store sodium precipitate, providing raw materials for the pulping system. The metering belt conveyor 2 is used to measure the weight of the sodium precipitate and transport it to the feed pipe 3 of the rod mill. The water metering system 4 is used to measure water, accurately measuring the amount of water added through the cooperation of ball valve 42 and electromagnetic flow meter 43.

[0032] Rod mill 5 is used to grind and crush the sodium-containing material. It is a wet process, and the grinding rods added to rod mill 5 are round steel bars with a length close to the internal length of rod mill 5. Mixing tank 6 is used to thoroughly mix the sodium-containing material and water, and finally the slurry is transported to the leaching process by water pump 7.

[0033] In this embodiment, a wall vibrator 12 is provided on the outer wall of the sodium silo 1. During operation, the vibrator intermittently strikes the sodium silo 1 to ensure that the sodium silo inside falls smoothly and prevents it from sticking to the wall.

[0034] Furthermore, a circular knife-shaped valve 11 is installed on the feed pipe 13. The knife-shaped valve 11 is connected to the sodium silo 1 via a flange, and the knife-shaped valve 11 controls the opening and closing of the feed pipe 13. The feed pipe 13 is suspended above the metering belt conveyor 2, and there is a gap between the feed pipe 13 and the metering belt conveyor 2.

[0035] In this embodiment, the feed end of the metering belt conveyor 2 is located at the bottom of the discharge pipe 13 of the sodium hydroxide silo 1. Specifically, the metering belt conveyor 2 includes a frame 21, and a belt 22 is disposed inside the frame 21. The belt 22 includes a belt body, a drive pulley for operating the belt 22, and a driven pulley. A motor 24 and a reducer 25 for driving the belt 22 are disposed on the frame 21, and the output end of the reducer 25 is connected to the drive pulley.

[0036] Furthermore, a weighing module 23 for weighing the belt 22 is provided at the bottom of the belt 22; there is a pair of weighing modules 23, which are respectively located on both sides of the belt 22, and a weighing controller 27 is provided on one side of the frame 21, and the weighing module 23 is electrically connected to the weighing controller 27.

[0037] The belt 22 has side rails 29 on both sides, and the side rails 29 are made of the same material as the belt 22. The side rails 29 have an S-shaped cross-section, which can effectively compensate for the inconsistency between the side rails 29 and the belt 22 in terms of circumference when passing through the driving pulley, driven pulley and horizontal section.

[0038] Speed ​​sensor 26 is installed on the reducer 25.

[0039] The metering belt conveyor 2 also includes a weighing idler 28, which is mounted on the weighing module 23. The top of the weighing idler 28 is attached to the bottom surface of the belt 22. When the belt 22 receives sodium-containing material, the belt 22 descends, which drives the weighing idler 28 to descend and act on the weighing module 23.

[0040] In this embodiment, a working mode of the metering belt conveyor 2 is provided: when the sodium-containing material passes through, the weighing idler 28 detects the weight of the sodium-containing material on the belt 22 and applies it to the weighing sensor 23. At the same time, the speed sensor 26 sends the speed signal of the belt 22 to the weighing controller 27. The weighing controller 27 integrates the speed signal and the weighing signal to obtain the instantaneous weight and the cumulative weight. The instantaneous weight is compared with the set weight, and through PID control, the feedback is sent to the motor 24. By adjusting the speed of the motor 24, the set weight and the instantaneous weight are dynamically equalized, resulting in sodium-containing material with a fixed specific gravity.

[0041] In this embodiment, the top of the rod mill feed pipe 3 is open and located at the discharge end of the metering belt conveyor 2, while the bottom is connected to the inlet end of the rod mill 5; the sodium-containing material conveyed by the metering belt conveyor 2 falls into the rod mill feed pipe 3.

[0042] A water metering system 4 is connected to the rod mill feed pipe 3. The water metering system 4 includes a water outlet pipe 44 inserted into the rod mill feed pipe 3. The portion of the water outlet pipe 44 inserted into the rod mill feed pipe 3 is bent downwards to form a bend. The bend fits against the inner wall of the rod mill feed pipe 3 and is parallel to it. This design ensures maximum material discharge space within the rod mill feed pipe 3, guaranteeing the normal descent of the sodium-treated material. It also prevents the sodium-treated material from falling into the water outlet pipe 44. Simultaneously, the water flowing from the water outlet pipe 44 directly impacts the sodium-treated material in the same direction as its descent. The impact force of the water flow, combined with the falling potential energy of the sodium-treated material, allows the liquid-solid mixture to directly enter the rod mill 5, preventing stagnation and adhesion, thus ensuring smooth operation.

[0043] In this embodiment, the water metering system 4 also includes an inlet pipe 41, on which a ball valve 42 and an electromagnetic flow meter 43 are connected. The electromagnetic flow meter 43 is connected to the outlet pipe 44 and is equipped with a field display screen that can display the real-time flow.

[0044] The discharge end of the rod mill 5 is connected to the mixing tank 6. The agitator inside the mixing tank 6 is a frame-type agitator, and the bottom surface of the mixing tank 6 is inclined, with the lower end located in the direction of the liquid outlet. A water pump 7 is installed at the liquid outlet of the mixing tank 6.

[0045] Sodium-treated material is added to the sodium-treated material silo. A knife-type valve and a discharge pipe in the silo allow the sodium-treated material to fall naturally onto the metering belt. The metering belt adds the set weight of sodium-treated material to the rod mill feed pipe. Simultaneously, the water metering system adds the set amount of water through the outlet into the rod mill feed pipe. The sodium-treated material and water enter the rod mill under gravity and the flushing action of the water. As the rollers rotate, the grinding rods rise and fall continuously inside the rod mill, grinding and crushing the sodium-treated material. The resulting slurry, under the influence of gravity and the flushing action of the water, is discharged from the rod mill outlet and flows into a slurry tank. In the slurry tank, the material is thoroughly mixed by the stirring slurry and then pumped to the next process. With the cooperation of the metering belt conveyor and the water metering system, a stable solid-liquid ratio can be achieved according to the set output, ensuring stable production in the next process.

[0046] The following is a production example: Sodium feed output is 1.25 tons / hour. The liquid-to-solid ratio is 2:1, i.e., 2.5 tons / hour of water and 1.25 tons / hour of sodium feed. Adjust ball valve 42 so that the electromagnetic flowmeter 43 displays 2.5 tons / hour, and set the output to 1.25 tons / hour on the weighing controller 27. Open the knife valve 11 of the sodium feed silo 1, and the sodium feed flows into the metering conveyor 2 from the feed pipe 13. The metering conveyor 2 adds a fixed weight of sodium feed to the rod mill feed pipe 3, while the water metering system 4 adds a set amount of water to the rod mill feed pipe 3 through the outlet pipe 4. The mixture of sodium feed and water flows into the rod mill 5 through the rod mill feed pipe 3. As the grinding rods rotate in the cylinder, they are thrown up by centrifugal force and flung out along the cylinder axis, generating a strong impact and friction on the sodium feed, pulverizing it into a sodium feed slurry. Under the self-flowing force of the sodium-modified slurry and the flushing action of water, the slurry is discharged from the rod mill 5 and flows into the mixing tank 6. Driven by the motor, the mixing paddle stirs the slurry evenly, and the water pump 7 sends the sodium-modified slurry to the next process.

[0047] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A sodium-based material pulping system, characterized in that: The pulping system includes a sodium silo, a metering belt conveyor, a rod mill feed pipe, a water metering system, a rod mill, and a mixing tank; the feed end of the metering belt conveyor is located at the bottom of the discharge pipe of the sodium silo; the top of the rod mill feed pipe is open and located at the discharge end of the metering belt conveyor, and the bottom is connected to the feed end of the rod mill; the discharge end of the rod mill is connected to the mixing tank. The water metering system is connected to the feed pipe of the rod mill. The water metering system includes a water outlet pipe inserted into the feed pipe of the rod mill. The portion of the water outlet pipe inserted into the feed pipe of the rod mill is bent downward to form a bend. The bend is attached to the inner wall of the feed pipe of the rod mill and is parallel to the feed pipe of the rod mill.

2. The sodium-based material pulping system according to claim 1, characterized in that: A knife-shaped valve is installed on the feeding pipe, which is suspended above the metering belt conveyor and has a gap between it and the metering belt conveyor.

3. The sodium-based material pulping system according to claim 1, characterized in that: The outer wall of the sodium silo is equipped with a silo wall vibrator.

4. The sodium-based material pulping system according to claim 1, characterized in that: The metering belt conveyor includes a frame, a belt is installed inside the frame, a motor and a reducer are installed on the frame to drive the belt, a weighing module is installed at the bottom of the belt to weigh the belt, a weighing controller is installed on one side of the frame, and the weighing module is electrically connected to the weighing controller.

5. A sodium-based pulping system according to claim 4, characterized in that: The speed reducer is equipped with a speed sensor.

6. The sodium-based pulping system according to claim 4, characterized in that: The metering belt conveyor also includes a weighing idler, which is mounted on the weighing module.

7. A sodium-based pulping system according to claim 4, characterized in that: The belt has side rails on both sides.

8. A sodium-based pulping system according to claim 1, characterized in that: The water metering system also includes an inlet pipe, on which a ball valve and an electromagnetic flow meter are connected, and the electromagnetic flow meter is connected to an outlet pipe.

9. A sodium-based pulping system according to claim 1, characterized in that: The bottom surface of the mixing tank is inclined, and the lower end is located in the direction of the liquid outlet.

10. A sodium-based pulping system according to claim 1 or 9, characterized in that: A water pump is installed at the outlet of the mixing tank.

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