Grinding device for fertilizer production

Abstract

The utility model provides a kind of grinding device for fertilizer production, including grinder body, ball mill and blanking tube, working cavity is equipped in grinder body, the top of grinder body is equipped with the feed inlet being communicated with working cavity, the right wall of working cavity is equipped with first discharge port, feed inlet is equipped with feed rack, feed rack is equipped with the feed slot being penetrated up and down;Filter frame is equipped in feed slot, and filter frame is equipped with the inner wall shape of feed slot, the right wall of feed slot is equipped with discharge port, the right end of filter frame is fixedly connected with discharge plate, and discharge plate extends right out of discharge port along the extension direction of filter frame, and discharge plate is matched with first discharge port;The grinding device for fertilizer production can automatically screen sintered ash after dissolving, avoid foreign matter and large particle into the inside of ball mill, and at the same time, foreign matter and large particle are secondarily screened when discharging, and large particle is recycled.

Description

Technical Field

[0001] This utility model relates to fertilizer production, and in particular to a grinding device for fertilizer production. Background Technology

[0002] Fertilizers are substances that provide one or more essential nutrients for plants, improve soil properties, and enhance soil fertility. They are one of the material foundations of agricultural production. Potassium fertilizer is a type of fertilizer, and its effectiveness depends on the potassium chloride content, making potassium chloride an important material in fertilizer production.

[0003] Extracting potassium chloride from sintering ash produced by metallurgical sintering is a commonly used existing technology for obtaining potassium chloride. Generally, the sintering ash (dust removal ash) is dissolved in a dissolving tank, then ball-milled, and finally separated and recovered after magnetic separation and impurity removal to obtain potassium chloride crystals.

[0004] When sintered ash dissolves and enters the ball mill, it may contain large particles or foreign objects (metal fragments or refractory materials, etc.). These substances may cause problems such as pipe blockage and pumping difficulties if they enter the ball mill directly. At the same time, large particles and hard materials may accelerate the wear of the ball mill liner and grinding media. Utility Model Content

[0005] In order to solve the problem that sintering ash may contain large particles or foreign matter in the background technology, this utility model proposes a grinding device for fertilizer production.

[0006] The technical solution of this utility model is as follows: it includes a grinding machine body, a ball mill, and a feeding pipe.

[0007] The grinding machine body is provided with a working chamber. The top of the grinding machine body is provided with a feed inlet that communicates with the working chamber. The right wall of the working chamber is provided with a first discharge outlet. A feed rack is provided at the feed inlet. The feed rack is provided with a feed trough that is open at both the top and bottom.

[0008] The feed trough is equipped with a filter frame that is tilted to the left and lower to the right. The filter frame is adapted to the shape of the inner wall of the feed trough. A discharge port is opened on the right wall of the feed trough. A discharge plate is fixedly connected to the right end of the filter frame. The discharge plate extends to the right along the extension direction of the filter frame and passes through the discharge port. The discharge plate is set in conjunction with the first discharge port.

[0009] A baffle is rotatably installed on the discharge port. When the baffle is in the vertical position, it blocks the discharge port. The grinding machine body is equipped with a drive device to drive the baffle to rotate.

[0010] The ball mill is located at the bottom of the working chamber. The grinding mill body is provided with a second discharge port that is connected to the discharge end of the ball mill. A discharge device is installed at the second discharge port to discharge the material inside the ball mill.

[0011] The feed pipe is vertically installed inside the working chamber. The upper end of the feed pipe is fixedly connected to the lower end of the feed trough of the feed rack, and the lower end of the feed pipe is fixedly connected to the feed end of the ball mill.

[0012] Preferably, the grinding mill body is equipped with a controller, and both the ball mill and the drive device are connected to the controller for control.

[0013] The discharge pipe is equipped with a flow sensor connected to the controller, and the discharge pipe is also equipped with a feed valve connected to the controller.

[0014] Preferably, the feeding tube is provided with an inclined buffer plate adapted to the internal shape of the feeding tube, and the feeding tube is provided with a rotating shaft extending in the front-back direction. The buffer plate is rotatably mounted on the rotating shaft. An inclined telescopic member is provided between the buffer plate and the left wall of the feeding tube. The two ends of the telescopic member are respectively hinged to the buffer plate and the inner wall of the feeding tube.

[0015] Preferably, the telescopic component includes a sleeve, two connecting rods and a spring. The two connecting rods are slidably disposed inside the sleeve, and the spring is fixedly connected between the two connecting rods. The upper connecting rod is hinged to the bottom of the buffer plate, and the lower connecting rod is hinged to the left wall of the feed tube.

[0016] Preferably, the left side of the grinding machine body is provided with an inclined feeding rack, which is higher on the left and lower on the right. The feeding rack is provided with a feeding clearance opening that is installed in conjunction with the feeding rack, and the right end of the feeding rack is flush with the bottom wall of the feeding clearance opening.

[0017] Preferably, the upper part of the feed rack forms a C-shaped structure with a left opening, and the opening of the C-shaped structure is a feed clearance opening.

[0018] Preferably, a support rod is provided vertically on the left side of the grinding machine body, the upper end of the support rod is fixedly connected to the bottom of the feeding frame, and the lower end of the support rod is fixedly connected to the ground.

[0019] Preferably, a feeding funnel is fixedly connected to the bottom of the feeding rack, the feeding trough is connected to the feeding funnel, and the discharge port of the feeding funnel is fixedly connected to the upper end of the discharge pipe.

[0020] Preferably, the front side of the grinding machine body is provided with an observation window.

[0021] Preferably, the discharge plate has a vertically open material distribution port, and a secondary discharge plate is inclinedly arranged below the material distribution port. The grinding machine body has a secondary discharge port that is configured to cooperate with the secondary discharge plate.

[0022] Advantages of this utility model:

[0023] 1. Automatic primary screening is performed during feeding to screen out large particles and foreign objects, preventing them from entering the ball mill and thus avoiding blockage of the ball mill pipeline and pumping difficulties.

[0024] Buffering is applied during material feeding to reduce wear on the inner lining of the ball mill caused by the direct falling of material.

[0025] Large particles and foreign objects are separated into two stages during discharge, which facilitates the recovery of large particles. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a front view of Example 1.

[0028] Figure 2 This is a schematic diagram of the internal structure of Example 1;

[0029] Figure 3 This is a schematic diagram of the main structure of Example 1;

[0030] Figure 4 This is a schematic diagram of the feed pipe structure in Example 1;

[0031] Figure 5 This is a schematic diagram of the main structure of Example 1.

[0032] In the figure, 1 is the grinding machine body, 2 is the feeding rack, 3 is the feed rack, 301 is the filter rack, 302 is the baffle, 303 is the feed funnel, 4 is the ball mill, 5 is the discharge device, 6 is the discharge pipe, 601 is the flow sensor, 602 is the buffer plate, 603 is the telescopic component, 604 is the feed valve, 7 is the controller, 8 is the observation window, 9 is the drive device, 10 is the support rod, 11 is the discharge plate, 12 is the first discharge port, and 13 is the second discharge plate. Detailed Implementation

[0033] The technical solutions of the present utility model 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 utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Example 1: This example aims to provide a grinding device for fertilizer production.

[0035] Figures 1 to 5 It includes a grinding machine body 1, a ball mill 4, and a feed pipe 6.

[0036] The grinding machine body 1 has a working chamber inside. An observation window 8 is provided on the front side of the grinding machine body. The top of the grinding machine body 1 has a feed inlet that communicates with the working chamber. The right wall of the working chamber has a first discharge port 12. A feed rack 3 is provided at the feed inlet. The feed rack 3 has a feed trough that is open at the top and bottom. The upper part of the feed rack 3 forms a C-shaped structure with a left opening. The opening of the C-shaped structure is a feed avoidance port to prevent liquid splashing.

[0037] The feeding pipe 6 is vertically installed in the working chamber. The bottom of the feeding frame 3 is fixedly connected to the feeding funnel 303. The feeding trough is connected to the feeding funnel 303. The outlet of the feeding funnel 303 is fixedly connected to the upper end of the feeding pipe 6.

[0038] The feed trough is equipped with a filter frame 301 that is tilted to the left and lower to the right. The filter frame 301 is adapted to the shape of the inner wall of the feed trough. A discharge port is opened on the right wall of the feed trough. A discharge plate 11 is fixedly connected to the right end of the filter frame 301. The discharge plate 11 extends to the right along the extension direction of the filter frame 301 and passes through the discharge port. The discharge plate 11 is matched with the first discharge port 12 and is placed on the bottom wall of the first discharge port 12.

[0039] The discharge plate 11 has a vertically open feed port. Below the feed port, a secondary discharge plate 13 is inclined. The grinding machine body 1 has a secondary discharge port that cooperates with the secondary discharge plate 13. The feed port is used to separate foreign objects from large particles. The larger foreign objects pass through the feed port and continue to be discharged. The smaller large particles fall into the feed port and then fall onto the secondary discharge plate, thus quickly separating the foreign objects from the large particles.

[0040] A baffle 302 is rotatably provided on the discharge port. When the baffle 302 is in the vertical state, it blocks the discharge port. The grinding machine body 1 is provided with a drive device 9 for driving the baffle 302 to rotate. In this embodiment, the drive device 9 can be a motor.

[0041] The ball mill 4 is located at the bottom of the working chamber. In this embodiment, the ball mill 4 uses existing technology. The ball mill 4 includes a feed end, a rotating drum, and a discharge end. The feed end and the discharge end are both fixedly installed on the inner wall of the working chamber. The rotating drum is rotatably connected between the feed end and the discharge end. The feed end and the discharge end are both connected to the rotating drum. The grinding machine body 1 is provided with a second discharge port that is connected to the discharge end of the ball mill 4. A discharge device 5 is installed at the second discharge port to discharge the material in the ball mill 4. In this embodiment, the discharge device 5 can be a vacuum pump.

[0042] The grinding mill body 1 is equipped with a controller 7. The ball mill 4 and the drive device 9 are both connected to the controller 7. The feed pipe 6 is equipped with a flow sensor 601 connected to the controller 7, and the feed pipe 6 is equipped with a feed valve 604 connected to the controller 7.

[0043] The upper end of the feeding pipe 6 is fixedly connected to the lower end of the feeding trough of the feeding frame 3, and the lower end of the feeding pipe 6 is fixedly connected to the feeding end of the ball mill 4. The feeding pipe 6 is provided with an inclined buffer plate 602 adapted to the internal shape of the feeding pipe 6. The feeding pipe 6 is provided with a rotating shaft extending in the front-back direction. The buffer plate 602 is rotatably mounted on the rotating shaft. An inclined telescopic member 603 is provided between the buffer plate 602 and the left wall of the feeding pipe 6. The two ends of the telescopic member 603 are respectively hinged to the buffer plate 602 and the inner wall of the feeding pipe 6.

[0044] The telescopic component 603 includes a sleeve, two connecting rods and a spring. The two connecting rods are slidably disposed inside the sleeve, and the spring is fixedly connected between the two connecting rods. The upper connecting rod is hinged to the bottom of the buffer plate 602, and the lower connecting rod is hinged to the left wall of the feed tube 6.

[0045] The left side of the grinding machine body 1 is provided with an inclined feeding rack 2, which is higher on the left and lower on the right. The feeding rack 3 is provided with a feeding clearance opening that is installed in conjunction with the feeding rack 2. The right end of the feeding rack 3 is flush with the bottom wall of the feeding clearance opening. The left side of the grinding machine body 1 is provided with a vertical support rod 10. The upper end of the support rod 10 is fixedly connected to the bottom of the feeding rack 2, and the lower end of the support rod 10 is fixedly connected to the ground.

[0046] Working principle: The molten sintered ash is fed onto the feeding rack 2 and flows down the inclined surface onto the feeding rack 3. At the feeding rack 3, it is blocked by the filter rack 301. Small particles and liquid pass through the sieve holes of the filter rack 301 and flow down into the discharge pipe 6. When the small particles and liquid fall, they come into contact with the buffer plate 602. The buffer plate 602 is subjected to contact force and rotates around the connection point with the rotating shaft, causing the telescopic component 603 to extend and retract, thus buffering the material when it falls.

[0047] Liquid and small particles flow into ball mill 4. Ball mill 4 is started to ball mill the small particles and liquid, thereby turning them into a turbid liquid. Finally, the turbid liquid is discharged through discharge device 5.

[0048] Foreign objects and large particles blocked by the filter frame 301 are blocked by the baffle 302. When the drive device 9 drives the baffle 302 to rotate, the foreign objects and large particles slide through the discharge port onto the discharge plate 11. When the foreign objects and large particles slide to the distribution port, the large particles fall onto the secondary discharge plate 13, and the foreign objects continue to be discharged through the distribution port, thereby classifying and discharging the foreign objects and large particles.

[0049] This allows for active screening of large particles and foreign objects, preventing them from entering the ball mill 4 and thus avoiding blockages in the ball mill 4's pipes and pumping difficulties. During discharge, foreign objects and large particles are graded and discharged, facilitating the recycling of large particles.

[0050] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims and not by the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A grinding device for fertilizer production, characterized in that: It includes a grinding machine body (1), a ball mill (4), and a feed pipe (6). The grinding machine body (1) is provided with a working chamber. The top of the grinding machine body (1) is provided with a feed inlet that communicates with the working chamber. The right wall of the working chamber is provided with a first discharge port (12). The feed inlet is provided with a feed rack (3). The feed rack (3) is provided with a feed trough that is open at the top and bottom. The feed trough is equipped with a filter frame (301) that is tilted with the left side higher than the right side. The filter frame (301) is adapted to the shape of the inner wall of the feed trough. The right wall of the feed trough is provided with a discharge port. The right end of the filter frame (301) is fixedly connected to a discharge plate (11). The discharge plate (11) extends to the right along the extension direction of the filter frame (301) and passes through the discharge port. The discharge plate (11) is configured to cooperate with the first discharge port (12). A baffle (302) is provided on the discharge port. When the baffle (302) is in the vertical state, it blocks the discharge port. The grinding machine body (1) is provided with a drive device (9) for driving the baffle (302) to rotate. The ball mill (4) is located at the bottom of the working chamber. The grinding machine body (1) is provided with a second discharge port that is connected to the discharge end of the ball mill (4). A discharge device (5) is installed at the second discharge port to discharge the material inside the ball mill (4). The feeding pipe (6) is vertically installed in the working chamber. The upper end of the feeding pipe (6) is fixedly connected to the lower end of the feeding trough of the feeding frame (3), and the lower end of the feeding pipe (6) is fixedly connected to the feeding end of the ball mill (4).

2. The grinding device for fertilizer production according to claim 1, characterized in that: The grinding machine body (1) is equipped with a controller (7), and the ball mill (4) and the drive device (9) are both connected to the controller (7) for control. The discharge pipe (6) is equipped with a flow sensor (601) connected to the controller (7), and the discharge pipe (6) is equipped with a feed valve (604) connected to the controller (7).

3. The grinding device for fertilizer production according to claim 1, characterized in that: The feed tube (6) is provided with an inclined buffer plate (602) adapted to the internal shape of the feed tube (6). The feed tube (6) is provided with a rotating shaft extending in the front-back direction. The buffer plate (602) is rotatably mounted on the rotating shaft. An inclined telescopic member (603) is provided between the buffer plate (602) and the left wall of the feed tube (6). The two ends of the telescopic member (603) are respectively hinged to the buffer plate (602) and the inner wall of the feed tube (6).

4. A grinding device for fertilizer production according to claim 3, characterized in that: The telescopic component (603) includes a sleeve, two connecting rods and a spring. The two connecting rods are slidably disposed inside the sleeve, and a spring is fixedly connected between the two connecting rods. The upper connecting rod is hinged to the bottom of the buffer plate (602), and the lower connecting rod is hinged to the left wall of the feed tube (6).

5. A grinding device for fertilizer production according to claim 1, characterized in that: The grinding machine body (1) is provided with an inclined feeding rack (2) on the left side, and the feeding rack (2) is higher on the left and lower on the right. The feeding rack (3) is provided with a feeding clearance opening that is installed in conjunction with the feeding rack (2). The right end of the feeding rack (3) is flush with the bottom wall of the feeding clearance opening.

6. A grinding device for fertilizer production according to claim 5, characterized in that: The upper part of the feed rack (3) forms a C-shaped structure with a left opening, and the opening of the C-shaped structure is a feed clearance opening.

7. A grinding device for fertilizer production according to claim 6, characterized in that: The grinding machine body (1) has a vertical support rod (10) on the left side. The upper end of the support rod (10) is fixedly connected to the bottom of the feeding rack (2), and the lower end of the support rod (10) is fixedly connected to the ground.

8. A grinding apparatus for fertilizer production according to any one of claims 1-7, characterized in that: The bottom of the feeding rack (3) is fixedly connected to a feeding funnel (303), the feeding trough is connected to the feeding funnel (303), and the outlet of the feeding funnel (303) is fixedly connected to the upper end of the feeding pipe (6).

9. A grinding apparatus for fertilizer production according to any one of claims 1-7, characterized in that: An observation window (8) is provided on the front side of the grinding machine body.

10. A grinding apparatus for fertilizer production according to any one of claims 1-7, characterized in that: The discharge plate (11) is provided with a material distribution port that is open from top to bottom. A secondary discharge plate (13) is inclinedly arranged below the material distribution port. The grinding machine body (1) is provided with a secondary discharge port that is configured to cooperate with the secondary discharge plate (13).

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