Raw material crushing device for chemical fertilizer production

Abstract

The utility model relates to the technical field of chemical fertilizer production, in particular to a raw material crushing device for chemical fertilizer production, which comprises a shell and a feeding hopper arranged at the upper end of the shell, a crushing cavity is arranged in the shell, a guide plate is arranged in the crushing cavity, a screen frame is inserted into the lower end of the guide plate, a drying cavity is further arranged in the shell, and the drying cavity is communicated with the feeding hopper. When the chemical fertilizer crushing device is used, chemical fertilizer raw materials which are not completely crushed in the crushing cavity can stay on the surface of the screen frame due to the fact that the particle sizes of the chemical fertilizer raw materials do not reach the standard, the lifting pressing plate is driven by the follow-up driving mechanism to ascend and descend, and then the chemical fertilizer raw materials between the lifting pressing plate and the screen frame are extruded, clamped and crushed in cooperation with the screen frame; and finally, the chemical fertilizer enters the drying cavity through the screen frame to be dried, further timely crushing treatment on the chemical fertilizer with the particle size not reaching the standard is completed, and the production efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of fertilizer production technology, and in particular to a raw material crushing device for fertilizer production. Background Technology

[0002] During the production of fertilizers, they need to be crushed to facilitate subsequent chemical reactions and improve reaction efficiency. Existing crushing methods usually utilize mechanical force, such as friction and compression, to break the raw materials. For example, for hard raw materials, pressure is often applied to the raw materials by two or more relatively rotating pressure rollers to crush them between the rollers.

[0003] For example, Chinese patent application number CN 202022147158.5 discloses a crushing device for organic fertilizer production, relating to the field of organic fertilizer technology. It includes a shell, a crushing chamber, and a mixing chamber. By installing two sets of gear rollers at the bottom of the feed hopper, the raw materials can be quickly crushed into small solid particles, improving crushing efficiency. Furthermore, two sets of guide plates are installed at the bottom of the gear rollers to guide the crushed raw materials into the screen frame, further improving production efficiency. However, in actual use, some of the crushed fertilizer raw materials still contain larger particles that do not meet the standards. These larger particles separated by the screen frame cannot be processed in time, often clogging the screen frame, which is time-consuming, labor-intensive, and affects production efficiency. Utility Model Content

[0004] In view of this, the purpose of this utility model is to propose a raw material crushing device for fertilizer production, so as to solve the technical problem in the prior art that large-particle-size fertilizer raw materials cannot be processed in time, often clogging the screen frame, which is time-consuming and laborious to clean and affects production efficiency.

[0005] To achieve the above objectives, this utility model provides a raw material crushing device for fertilizer production, comprising a shell and a feeding hopper located at the upper end of the shell, a crushing chamber disposed within the shell, a guide plate disposed within the crushing chamber, a sieve frame inserted at the lower end of the guide plate, a drying chamber disposed within the shell, and an electric heater disposed on the drying chamber. The crushing device further includes:

[0006] Gear roller one and gear roller two are used for crushing fertilizer raw materials, and both gear roller one and gear roller two are rotatably installed in the crushing chamber;

[0007] An active drive mechanism for driving the gear roller to rotate;

[0008] A lifting pressure plate, which is slidably disposed within the outer casing;

[0009] A follow-up drive mechanism for driving the lifting pressure plate to reciprocate up and down.

[0010] Further, the active driving mechanism comprises:

[0011] a driving motor mounted on the shell, an output end of the driving motor being mounted with a synchronous wheel one;

[0012] a synchronous wheel two mounted on one end of the gear pressing roller one, the synchronous wheel two being connected with the synchronous wheel one through a synchronous belt one;

[0013] a gear one mounted between the gear pressing roller one and the synchronous wheel two;

[0014] a gear two engaged with the gear one, the gear two being mounted on one end of the gear pressing roller two.

[0015] Further, the follow-up driving mechanism comprises:

[0016] a slide rail mounted in the drying cavity;

[0017] a lifting ring slidingly arranged on the slide rail, a lower end of the lifting ring being fixed with the lifting pressing plate;

[0018] a rack, two of the racks being respectively arranged on the inner walls on two sides of the lifting ring;

[0019] a gear three rotatably mounted in the drying cavity, the gear three being a gear with missing teeth and being engaged with the two racks respectively, a synchronous wheel three being coaxially mounted on the gear three;

[0020] a synchronous wheel four coaxially fixed with the gear pressing roller one, the synchronous wheel four being connected with the synchronous wheel four through a synchronous belt two.

[0021] Further, the side end face and the lower end face of the screen frame are both provided with reinforcing ribs, and a push-pull handle is further mounted on the screen frame outside the shell.

[0022] Further, a side-hinged door is mounted on the side end of the drying cavity.

[0023] Further, a discharging plug is arranged on the lower end of the lifting pressing plate, the discharging plug being matched with the screen hole of the screen frame in the vertical direction.

[0024] The utility model discloses an advantageous effect: adopt the raw material crushing device for chemical fertilizer production of the utility model, when using, for the chemical fertilizer raw material that is not completely crushed in the crushing cavity, the particle size does not reach the standard, will stay on the surface of the screen frame, drives the lifting pressure plate to carry out the lifting action through the follow -up drive mechanism, and then cooperates the screen frame to extrude and crush the chemical fertilizer raw material between the both, finally through the screen frame and enters the drying cavity and dries, and then the further timely crushing treatment of the particle size of the chemical fertilizer that does not reach the standard is completed, and the production efficiency is accelerated. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following will be further explained in detail in combination with specific examples.

[0026] Figure 1 It is the structural schematic diagram of the utility model;

[0027] Figure 2 It is the internal structure schematic diagram of the utility model;

[0028] Figure 3 It is the assembly schematic diagram of the screen frame and follow -up drive mechanism in the utility model;

[0029] Figure 4 It is Figure 3 The structure enlarged view of A in the utility model;

[0030] Figure 5 It is the assembly schematic diagram of the screen frame and lifting pressure plate in the utility model.

[0031] Marked as in the drawing:

[0032] 1, the shell;2, the feeding hopper;3, the flow guide plate;4, the screen frame;5, the electric heater;6, gear pressure roller one;7, gear pressure roller two;8, lifting pressure plate;9, drive motor;10, synchronous pulley one;11, synchronous pulley two;12, synchronous belt one;13, gear one;14, gear two;15, slide rail;16, lifting ring;17, rack;18, gear three;19, synchronous pulley three;20, synchronous pulley four;21, synchronous belt two;22, reinforcing rib;23, push -pull hand;24, side opening door;25, discharge plug. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following will be further explained in detail in combination with specific examples.

[0034] It should be noted that, unless otherwise defined, technical terms or scientific terms used in the present application should be understood as the common meaning understood by those skilled in the art to which the present application belongs. The "first", "second" and similar words used in the present application do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connected" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0035] The first aspect of the present application provides a raw material crushing device for chemical fertilizer production, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 As shown, it comprises a shell 1 and a feeding hopper 2 arranged at the upper end of the shell 1, a crushing cavity is arranged in the shell 1, a guide plate 3 is arranged in the crushing cavity, a sieve frame 4 is inserted at the lower end of the guide plate 3, and a drying cavity is further arranged in the shell 1, an electric heater 5 is arranged on the drying cavity, and the crushing device further comprises:

[0036] Gear rollers one 6 and gear rollers two 7 for crushing chemical fertilizer raw materials, the gear rollers one 6 and the gear rollers two 7 are both rotatably installed in the crushing cavity;

[0037] A driving mechanism for driving the gear rollers one 6 to rotate;

[0038] A lifting pressure plate 8, which is slidingly arranged in the shell 1;

[0039] A follow-up driving mechanism for driving the lifting pressure plate 8 to reciprocatingly lift and lower.

[0040] In the present embodiment, the driving mechanism comprises:

[0041] A driving motor 9, which is installed on the shell 1, and a synchronous pulley one 10 is installed on the output end of the driving motor 9;

[0042] A synchronous pulley two 11, which is installed on one end of the gear rollers one 6, and the synchronous pulley two 11 is connected with the synchronous pulley one 10 through a synchronous belt one 12;

[0043] A gear one 13, which is installed between the gear rollers one 6 and the synchronous pulley two 11;

[0044] Gear two 14 engaged with gear one 13, gear two 14 is installed in one end of gear pressing roller two 7.

[0045] In this embodiment, the follow-up driving mechanism comprises:

[0046] Slide rail 15, slide rail 15 is installed in the drying cavity;

[0047] Lifting ring 16, lifting ring 16 is slidingly arranged on the slide rail 15, the lower end of the lifting ring 16 is fixed with the lifting pressing plate 8;

[0048] Rack 17, rack 17 has two, two racks 17 are respectively arranged on the inner walls of the two sides of the lifting ring 16;

[0049] Gear three 18, gear three 18 is rotatably installed in the drying cavity, gear three 18 is a gear with missing teeth, and is respectively engaged with two racks 17, gear three 18 has a synchronous wheel three 19 coaxially installed thereon;

[0050] Synchronous wheel four 20 coaxially fixed with gear pressing roller one 6, synchronous wheel four 20 is connected with synchronous wheel four 20 through synchronous belt two 21.

[0051] In this embodiment, in use, the driving motor 9 is started to drive the synchronous wheel one 10 to rotate, the synchronous belt one 12 and the synchronous wheel two 11 are used to drive the gear pressing roller one 6 to rotate, at the same time, the gear one 13 is used to drive the gear two 14 and the gear pressing roller two 7 to rotate, thereby the chemical fertilizer raw materials placed in the feeding hopper 2 are crushed in the crushing cavity, the crushed chemical fertilizer raw materials fall on the screen frame 4 through the two guide plates 3 below, the crushed chemical fertilizer raw materials with qualified particle size fall into the drying cavity and are quickly dried by the electric heater 5.

[0052] For the chemical fertilizer raw materials which are not completely crushed in the crushing cavity, the particle size of the chemical fertilizer raw materials does not meet the standard, and the chemical fertilizer raw materials stay on the surface of the screen frame 4, at this time, with the rotation of the gear pressing roller one 6, the synchronous wheel four 20 at the other end of the gear pressing roller one 6 drives the synchronous wheel three 19 to follow up through the synchronous belt two 21, the synchronous wheel three 19 can drive the gear three 18 to continuously rotate, the lifting pressing plate 8 is driven to lift and lower through the two racks 17 on the two sides, thereby the chemical fertilizer raw materials between the screen frame 4 and the lifting pressing plate 8 are extruded and crushed, and finally the chemical fertilizer raw materials enter the drying cavity through the screen frame 4 for drying.

[0053] In this embodiment, as shown in Figure 5 the side end face and the lower end face of the screen frame 4 are provided with reinforcing ribs 22, and the screen frame 4 is further provided with a push-pull handle 23 outside the outer shell 1, during the lifting and lowering of the lifting pressing plate 8, the overall strength of the screen frame 4 is sufficient due to the arrangement of the reinforcing ribs 22 on the side end face and the lower end face, and the device is prevented from being damaged during the further crushing process of the chemical fertilizer raw materials with unqualified particle size.

[0054] In this embodiment, as shown inFigure 1 As shown, the side end of the drying cavity is provided with a side opening door 24, and the crushed fertilizer raw material after the drying treatment can be taken out from the side opening door 24, and the whole crushing and drying process is carried out in a relatively closed environment, so that the production environment of the fertilizer can be prevented from being affected.

[0055] In the embodiment, as shown, Figure 5 The lower end of the lifting and pressing plate 8 is provided with a discharge plug 25, the discharge plug 25 is matched with the sieve hole of the sieve frame 4 in the vertical direction, the discharge plug 25 is placed into the sieve hole of the sieve frame 4, the crushed fertilizer raw material accumulated in the sieve hole of the sieve frame 4 due to long time use can be automatically cleaned in time, and the production efficiency is improved.

[0056] It should be understood by those skilled in the art that the above discussion of any embodiment is only exemplary, and is not intended to imply that the scope (including claims) of the utility model is limited to these examples; under the idea of the utility model, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the utility model as described above, which are not provided in details for the sake of simplicity.

[0057] The utility model aims at covering all such alternatives, modifications and variations falling within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. made in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A raw material crushing device for chemical fertilizer production, comprising a shell (1) and a feeding hopper (2) arranged at the upper end of the shell (1), a crushing cavity is arranged in the shell (1), a guide plate (3) is arranged in the crushing cavity, a sieve frame (4) is inserted at the lower end of the guide plate (3), and a drying cavity is further arranged in the shell (1), an electric heater (5) is arranged on the drying cavity, characterized in that, The pulverizing device further comprises: Gear rollers (6) and (7) for pulverizing the chemical fertilizer raw materials, which are rotatably installed in the pulverizing cavity; A driving mechanism for driving the rotation of the gear roller (6); A lifting pressure plate (8) slidingly arranged in the shell (1); A follow-up driving mechanism for driving the reciprocating lifting of the lifting pressure plate (8).

2. The raw material crushing device for chemical fertilizer production according to claim 1, characterized in that, The driving mechanism comprises: A driving motor (9) installed on the shell (1), the output end of which is provided with a synchronous wheel (10); A synchronous wheel (11) installed on one end of the gear roller (6), which is connected with the synchronous wheel (10) through a synchronous belt (12); A gear (13) installed between the gear roller (6) and the synchronous wheel (11); A gear (14) engaged with the gear (13), which is installed on one end of the gear roller (7).

3. The raw material crushing device for chemical fertilizer production according to claim 1, characterized in that, The follow-up driving mechanism comprises: A slide rail (15) installed in the drying cavity; A lifting ring (16) slidingly arranged on the slide rail (15), the lower end of which is fixed with the lifting pressure plate (8); Two racks (17) respectively arranged on the inner walls on both sides of the lifting ring (16); A gear (18) rotatably installed in the drying cavity, which is a gear with missing teeth and is engaged with the two racks (17), and a synchronous wheel (19) is coaxially installed on the gear (18); A synchronous wheel (20) fixed coaxially with the gear roller (6), which is connected with the synchronous wheel (20) through a synchronous belt (21).

4. The raw material crushing device for chemical fertilizer production according to claim 1, characterized in that, The side end face and the lower end face of the screen frame (4) are provided with reinforcing ribs (22), and a push-pull handle (23) is further installed on the outer side of the shell (1).

5. The raw material crushing device for chemical fertilizer production according to claim 1, characterized in that, A side-hinged door (24) is installed on the side end of the drying cavity.

6. The raw material crushing device for chemical fertilizer production according to claim 3, characterized in that, The lower end of the lifting pressure plate (8) is provided with a discharge plug (25) which is matched with the screen hole of the screen frame (4) in the vertical direction.

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