Pulverizer for sample preparation of compound fertilizer raw materials

Abstract

The utility model discloses a crusher for compound fertilizer raw material sample preparation, which comprises a hammer type crushing assembly, and the hammer type crushing assembly comprises a fixed base and a hammer type crushing bin fixed on the inner side of the fixed base; a worker puts hard compound fertilizer raw materials into the hammer type crushing bin through the feeding hopper, the compound fertilizer raw materials put into the hammer type crushing bin can be beaten and crushed through the rotating shaft in the hammer type crushing bin, the crushing hammers and the flywheels symmetrically arranged outside the hammer type crushing bin, and the crushed raw materials enter the cutter crushing bin; a driving cabinet on the periphery of the cutter crushing bin drives an internal rotating roller shaft to rotate and drives a stainless steel cutter on the periphery of the rotating roller shaft to rotate, so that the raw materials crushed by hammering are further cut up, the crushing uniformity of the raw materials of the compound fertilizer is improved, and the situation that crushed particles are inconsistent is reduced; and the composite fertilizer raw materials with relatively soft hardness can be directly fed into the cutter crushing bin through the feeding pipe at one end of the cutter crushing bin, so that the composite fertilizer raw materials can be rapidly cut.

Description

Technical Field

[0001] The utility model relates to the technical field of compound fertilizer raw material pulverizing equipment, in particular to a pulverizer for compound fertilizer raw material sample preparation. Background Art

[0002] Compound fertilizer raw materials usually include major nutrients such as nitrogen, phosphorus, potassium, as well as trace elements and auxiliary ingredients. Common compound fertilizer raw materials include but are not limited to urea, diammonium phosphate, monoammonium phosphate, ammonium sulfate, ammonium nitrate, monopotassium phosphate, potassium sulfate, etc. Common crushing devices include.

[0003] Hammer mill is suitable for many different types of compound fertilizer raw materials and can meet the crushing requirements of different raw materials. However, there is a certain gap between the striking hammers on the outer periphery of the rotating roller in the hammer mill, which can easily lead to uneven crushing of the compound fertilizer raw materials and inconsistent crushed particles. Utility Model Content

[0004] The purpose of the utility model is to provide a crusher for sample preparation of compound fertilizer raw materials to solve the problem that the existing hammer mill is suitable for a variety of different types of compound fertilizer raw materials and meets the crushing needs of different raw materials, but there is a certain gap between the striking hammers on the outer periphery of the rotating roller shaft in the hammer mill, which easily leads to the uniformity of crushing the compound fertilizer raw materials and the inconsistency of the crushed particles.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a compound fertilizer raw material sample preparation pulverizer, comprising a hammer pulverizing assembly, the hammer pulverizing assembly comprising a fixed base and a hammer pulverizing bin fixed to the inner side of the fixed base, a cutter pulverizing assembly for increasing pulverizing uniformity is arranged at the bottom end of the fixed base, the cutter pulverizing assembly comprises a cutter pulverizing bin fixedly mounted at the bottom end of the fixed base, and a screening assembly is arranged at the bottom end of the cutter pulverizing bin;

[0006] The tool crushing bin is rotatably connected to a rotating roller shaft, and stainless steel knives for cutting compound fertilizer raw materials are evenly fixedly installed on the outer circumference of the rotating roller shaft. A driving cabinet for rotating the rotating roller shaft is fixedly installed at one end of the tool crushing bin, and the output end of the driving cabinet passes through the tool crushing bin and is connected to the rotating roller shaft.

[0007] As a further solution of the utility model: a feeding pipe for feeding compound fertilizer raw materials into and crushing them is arranged at one end of the tool crushing bin.

[0008] As a further solution of the utility model: a feed hopper is provided at one end of the hammer crushing bin, a rotating shaft is rotatably connected inside the hammer crushing bin, and crushing hammers for hitting and crushing the compound fertilizer raw materials are evenly fixedly installed on the outer periphery of the rotating shaft, flywheels for rotating the rotating shaft are rotatably connected at both ends of the outer periphery of the hammer crushing bin, and a discharge port is provided at the bottom end of the hammer crushing bin.

[0009] As a further solution of the utility model: the screening assembly includes a screening cabinet fixedly installed at the bottom end of the tool crushing bin, a first screening plate for screening the crushed compound fertilizer raw materials is fixedly installed inside the screening cabinet, and a second screening plate is fixedly installed inside the screening cabinet and directly below the first screening plate, and a discharge pipe for taking out the screened compound fertilizer raw materials is provided at one end of the screening cabinet.

[0010] As a further solution of the utility model: an inclined plate for increasing material discharge is arranged at the bottom of the screening cabinet.

[0011] As a further solution of the utility model: a support base is fixedly installed at one end of the screening cabinet for support, and the support base is symmetrically and evenly fixedly installed at both ends of the screening cabinet.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The staff of the utility model puts the relatively hard compound fertilizer raw materials into the hammer crushing bin through the feed hopper, and the compound fertilizer raw materials put into the hammer crushing bin can be hammered and crushed through the rotating shaft, crushing hammer and flywheel symmetrically arranged outside the hammer crushing bin, and the crushed raw materials enter the tool crushing bin. The driving cabinet on the periphery of the tool crushing bin drives the internal rotating roller to rotate, and drives the stainless steel cutter on the periphery of the rotating roller to rotate, and further chops the hammered and crushed raw materials, thereby increasing the uniformity of the crushing of the compound fertilizer raw materials and reducing the inconsistency of the crushed particles. Moreover, the compound fertilizer raw materials with relatively soft hardness can be directly put into the tool crushing bin through the feed pipe at one end of the tool crushing bin for rapid chopping;

[0014] 2. After shredding, the compound fertilizer raw materials fall into the screening cabinet. The first screening plate and the second screening plate arranged inside the screening cabinet can screen the crushed compound fertilizer raw materials. The vibration generated by the hammer crushing bin and the tool crushing bin at work can increase the screening rate. The screened compound fertilizer raw materials are discharged from the discharge pipe, and the inclined plate inside the screening cabinet can increase the discharge speed of the compound fertilizer raw materials and reduce the accumulation of the compound fertilizer raw materials inside the screening cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a side structural schematic diagram of the tool crushing cabinet of the utility model;

[0017] Figure 3 It is a schematic diagram of the cross-sectional structure of the tool crushing cabinet of the utility model;

[0018] Figure 4 It is a schematic diagram of the cross-sectional structure of the hammer crushing bin of the utility model;

[0019] Figure 5 It is a schematic diagram of the cross-sectional structure of the screening cabinet of the utility model.

[0020] In the figure: 1. Hammer crushing assembly; 11. Fixed base; 12. Hammer crushing chamber; 13. Feed hopper; 14. Rotating shaft; 15. Crushing hammer; 16. Flywheel; 17. Discharge port; 2. Cutter crushing assembly; 21. Cutter crushing chamber; 22. Rotating roller; 23. Stainless steel cutter; 24. Feed pipe; 25. Drive cabinet; 3. Screening assembly; 31. Screening cabinet; 32. First screening plate; 33. Second screening plate; 34. Inclined plate; 35. Discharge pipe; 36. Support base. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following is an explanation of the embodiments of the present utility model based on the overall structure of the present utility model.

[0023] Reference Figures 1 to 5 In an embodiment of the utility model, a compound fertilizer raw material sample preparation pulverizer includes a hammer crushing assembly 1, the hammer crushing assembly 1 includes a fixed base 11 and a hammer crushing bin 12 fixed to the inner side of the fixed base 11, a cutter crushing assembly 2 for increasing crushing uniformity is arranged at the bottom of the fixed base 11, the cutter crushing assembly 2 includes a cutter crushing bin 21 fixedly installed at the bottom of the fixed base 11, and a screening assembly 3 is arranged at the bottom of the cutter crushing bin 21;

[0024] A rotating roller 22 is rotatably connected inside the cutter crushing bin 21, and stainless steel cutters 23 for cutting compound fertilizer raw materials are evenly fixedly installed on the outer periphery of the rotating roller 22. A driving cabinet 25 for rotating the rotating roller 22 is fixedly installed at one end of the cutter crushing bin 21, and the output end of the driving cabinet 25 passes through the cutter crushing bin 21 and is connected to the rotating roller 22.

[0025] Reference Figure 1 and Figure 3 One end of the cutter crushing chamber 21 is provided with a feed pipe 24 for feeding compound fertilizer raw materials into and crushing them.

[0026] Reference Figure 1 and Figure 4A feed hopper 13 is provided at one end of the hammer crushing bin 12, a rotating shaft 14 is rotatably connected inside the hammer crushing bin 12, and crushing hammers 15 for striking and crushing the compound fertilizer raw materials are evenly fixedly installed on the outer periphery of the rotating shaft 14, flywheels 16 for rotating the rotating shaft 14 are rotatably connected at both ends of the outer periphery of the hammer crushing bin 12, and a discharge port 17 is provided at the bottom end of the hammer crushing bin 12.

[0027] Reference Figure 1 and Figure 5 The screening assembly 3 includes a screening cabinet 31 fixedly installed at the bottom end of the tool crushing bin 21, a first screening plate 32 for screening the crushed compound fertilizer raw materials is fixedly installed inside the screening cabinet 31, and a second screening plate 33 is fixedly installed inside the screening cabinet 31 and directly below the first screening plate 32, a discharge pipe 35 for taking out the screened compound fertilizer raw materials is provided at one end of the screening cabinet 31, an inclined plate 34 for increasing material discharge is provided at the bottom end of the screening cabinet 31, a support base 36 is fixedly installed at one end of the screening cabinet 31 for support, and the support base 36 is symmetrically and evenly fixedly installed at both ends of the screening cabinet 31.

[0028] The working principle of the utility model is as follows: the staff puts the relatively hard compound fertilizer raw materials into the hammer crushing bin 12 through the feed hopper 13, and the compound fertilizer raw materials put into the inside can be hammered and crushed by the rotating shaft 14, the crushing hammer 15 and the flywheel 16 symmetrically arranged outside the hammer crushing bin 12, and the crushed raw materials enter the tool crushing bin 21, and the driving cabinet 25 on the periphery of the tool crushing bin 21 drives the internal rotating roller shaft 22 to rotate, and drives the stainless steel cutter 23 on the periphery of the rotating roller shaft 22 to rotate, and the hammered and crushed raw materials are further chopped, thereby increasing the uniformity of the crushing of the compound fertilizer raw materials and reducing the inconsistency of the crushed particles. Furthermore, the compound fertilizer raw materials with relatively soft hardness can be directly put into the cutter crushing bin 21 through the feed pipe 24 at one end of the cutter crushing bin 21 for rapid shredding. The compound fertilizer raw materials after shredding fall into the screening cabinet 31, and the crushed compound fertilizer raw materials can be screened through the first screening plate 32 and the second screening plate 33 arranged inside the screening cabinet 31. The vibration generated when the hammer crushing bin 12 and the cutter crushing bin 21 are working can increase the screening rate, and the screened compound fertilizer raw materials are discharged from the discharge pipe 35. The inclined plate 34 inside the screening cabinet 31 can increase the discharge speed of the compound fertilizer raw materials, thereby reducing the accumulation of the compound fertilizer raw materials inside the screening cabinet 31.

[0029] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A compound fertilizer raw material sample preparation pulverizer, characterized in that: The invention comprises a hammer crushing assembly (1), wherein the hammer crushing assembly (1) comprises a fixed base (11) and a hammer crushing chamber (12) fixed to the inner side of the fixed base (11); a cutter crushing assembly (2) for increasing crushing uniformity is arranged at the bottom end of the fixed base (11); the cutter crushing assembly (2) comprises a cutter crushing chamber (21) fixedly mounted at the bottom end of the fixed base (11); and a screening assembly (3) is arranged at the bottom end of the cutter crushing chamber (21); The cutter crushing chamber (21) is rotatably connected to a rotating roller shaft (22), and stainless steel cutters (23) for cutting compound fertilizer raw materials are evenly fixedly installed on the outer circumference of the rotating roller shaft (22). A driving cabinet (25) for rotating the rotating roller shaft (22) is fixedly installed at one end of the cutter crushing chamber (21), and the output end of the driving cabinet (25) passes through the cutter crushing chamber (21) and is connected to the rotating roller shaft (22).

2. A compound fertilizer raw material sample preparation pulverizer according to claim 1, characterized in that: One end of the cutter crushing bin (21) is provided with a feed pipe (24) for feeding compound fertilizer raw materials into the crushing chamber.

3. A compound fertilizer raw material sample preparation pulverizer according to claim 1, characterized in that: A feed hopper (13) is provided at one end of the hammer crushing bin (12); a rotating shaft (14) is rotatably connected inside the hammer crushing bin (12); crushing hammers (15) for striking and crushing the compound fertilizer raw materials are evenly fixedly installed on the outer periphery of the rotating shaft (14); flywheels (16) for rotating the rotating shaft (14) are rotatably connected at both ends of the outer periphery of the hammer crushing bin (12); and a discharge port (17) is provided at the bottom end of the hammer crushing bin (12).

4. A compound fertilizer raw material sample preparation pulverizer according to claim 1, characterized in that: The screening assembly (3) comprises a screening cabinet (31) fixedly mounted at the bottom end of the cutter crushing bin (21); a first screening plate (32) for screening the crushed compound fertilizer raw material is fixedly mounted inside the screening cabinet (31); a second screening plate (33) is fixedly mounted inside the screening cabinet (31) and directly below the first screening plate (32); and a discharge pipe (35) for taking out the screened compound fertilizer raw material is provided at one end of the screening cabinet (31).

5. A compound fertilizer raw material sample preparation pulverizer according to claim 4, characterized in that: The bottom end of the screening cabinet (31) is provided with an inclined plate (34) for increasing material discharge.

6. A compound fertilizer raw material sample preparation pulverizer according to claim 4, characterized in that: A support base (36) is fixedly mounted on one end of the screening cabinet (31) for support, and the support base (36) is symmetrically and evenly fixedly mounted on both ends of the screening cabinet (31).

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