CN216988023U

CN216988023U - Pulverizer for compound fertilizer production line with controllable fineness

Info

Publication number: CN216988023U
Application number: CN202220734214.1U
Authority: CN
Inventors: 袁中; 蒋建清; 王锡洪; 胡玖飞
Original assignee: Wuxi Baoli Fertilizer Co ltd
Current assignee: Wuxi Baoli Fertilizer Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-07-19
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a pulverizer for a compound fertilizer production line with controllable fineness, and relates to the technical field of compound fertilizer production equipment. The crusher comprises a crusher cabin body, a driving mechanism, a hydraulic mechanism, a transmission mechanism, a crushing mechanism and a screening mechanism. In order to solve the defect that the fineness of the existing pulverizer is difficult to control, the driving mechanism is arranged at the upper end of the pulverizing bin; the transmission mechanism comprises a rotating shaft which is vertically arranged, the upper end of the rotating shaft is in transmission connection with the driving mechanism, and the upper end of the rotating shaft is also provided with an adjusting nut, a clamping ring and a boss from top to bottom; the hydraulic mechanism is fixedly connected with the clamping ring and controls the rotating shaft to descend or ascend through the clamping ring; the screening mechanism comprises a filter screen arranged at the lower part of the crushing bin and a waste pipe arranged in the middle of the filter screen. The utility model can adjust the crushing fineness of the fertilizer raw materials and screen out the fertilizer raw materials with the fineness exceeding a set value.

Description

Pulverizer for compound fertilizer production line with controllable fineness

Technical Field

The utility model relates to the technical field of compound fertilizer production equipment, in particular to a pulverizer for a compound fertilizer production line with controllable fineness.

Background

The compound fertilizer is a chemical fertilizer containing two or more nutrient elements, has the advantages of high nutrient content, few side components, good physical properties and the like, and plays an important role in balancing fertilization, improving the utilization rate of the fertilizer and promoting the high and stable yield of crops.

The solid compound fertilizer is used as an important component of the compound fertilizer, the production process mainly comprises the steps of crushing, mixing, granulating, drying, screening, metering, subpackaging and the like, and the corresponding complete production equipment mainly comprises crushing equipment, mixing equipment, granulating equipment, drying equipment, screening equipment, conveying equipment, metering equipment and the like. In order to accelerate the production efficiency, improve the uniformity of raw material mixing and facilitate granulation, the raw materials are often required to be crushed into different fineness; meanwhile, in the process of crushing the raw materials, unqualified large particles or blocky materials are formed and crushed again after being screened out. And the existing crushing equipment comprises: the utility model discloses a utility model "a compound fertilizer is chain rubbing crusher for production line" of No. CN211412303U just can't satisfy the demand to the different fineness of smashing of production raw materials.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pulverizer for a compound fertilizer production line with controllable fineness, aiming at the defects in the background art.

In order to achieve the purpose, the technical solution of the utility model is as follows: a pulverizer with controllable fineness for a compound fertilizer production line comprises a pulverizing bin, a driving mechanism, a transmission mechanism, a pulverizing mechanism, a hydraulic mechanism and a screening mechanism; the driving mechanism is arranged at the upper end of the crushing bin; the transmission mechanism comprises a rotating shaft which is vertically arranged, the upper end of the rotating shaft is in transmission connection with the driving mechanism, and the upper end of the rotating shaft is also provided with an adjusting nut, a clamping ring and a boss from top to bottom; the hydraulic mechanism is fixedly connected with the clamping ring and controls the rotating shaft to descend or ascend through the clamping ring; the screening mechanism comprises a filter screen arranged at the lower part of the crushing bin and a waste pipe arranged in the middle of the filter screen.

In order to quickly discharge the fertilizer raw materials crushed between the crushing disc and the grinding disc, the utility model provides another preferable scheme. The crushing mechanism is arranged in the crushing bin and comprises a crushing disc arranged on the rotating shaft and a grinding disc which is positioned below the crushing disc and is fixedly connected with the bin wall of the crushing bin; the upper surface of abrasive disc is the back taper face of central band round hole, the corresponding equidistance clearance fit of lower surface and the upper surface of abrasive disc of crushing dish.

Furthermore, in order to increase the friction force between the crushing disk and the grinding disk during crushing. The lower surface of crushing dish and the upper surface of abrasive disc all are equipped with crushing tooth.

Furthermore, in order to improve the crushing efficiency of the fertilizer raw materials in block shape. The crushing mechanism further comprises a crushing blade arranged above the crushing disc, and the crushing blade is fixedly arranged on the rotating shaft.

Furthermore, in order to crush the fertilizer raw materials with larger volume for multiple times, the fertilizer raw materials are prevented from blocking the gap between the crushing disc and the grinding disc. The crushing blades are spirally arranged on the rotating shaft, and the outer diameters of the crushing blades from top to bottom on the rotating shaft are sequentially increased.

In order to ensure that the fineness of the crushed compound fertilizer raw materials is uniform, the utility model provides another preferable scheme except adding the crushing blade. The crushing mechanism is provided with an upper layer and a lower layer, and the gap between the crushing disk and the grinding disk in the upper layer crushing mechanism is larger than the gap between the crushing disk and the grinding disk in the lower layer crushing mechanism.

In order to screen out the fertilizer with the fineness exceeding the set value, the utility model provides another preferable scheme. The filter screen is the back taper setting, the upper end of waste pipe is connected with the center bottommost of filter screen. The inverted cone-shaped net surface collects the crushed materials with the excessive mesh number and then discharges the crushed materials through a waste pipe.

In order to control the fineness of the crushed compound fertilizer raw materials, the utility model provides another preferable scheme. A fineness analyzer is arranged below the filter screen, an operation panel is further arranged on the wall of the crushing bin, and the operation panel is electrically connected with the fineness analyzer, the driving mechanism and the hydraulic mechanism respectively. According to the fineness value of the crushed compound fertilizer raw materials fed back by the fineness analyzer, workers adjust the gap between the crushing disc and the grinding disc and the rotating speed to achieve the purpose of controlling the fineness of the crushed materials by the operation panel.

To avoid stacking and caking of the comminuted compound fertilizer material, the utility model provides a further preferred embodiment. The bottom of the rotating shaft is provided with a dispersion rod, and the dispersion rod is positioned between the grinding disc and the filter screen.

In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:

1. the fineness of the fertilizer raw material after being crushed is controlled by controlling the gap and the rotating speed of the crushing disc and the grinding disc during working.

2. Through the filter screen and the waste pipe that smash the storehouse lower part and set up, sieve out the chemical fertilizer raw materials that the fineness surpassed the setting value again to follow-up repulverize.

Drawings

FIG. 1 is a front view of the entire structure of embodiment 1;

FIG. 2 is a detailed view of a part A of the structure of embodiment 1;

fig. 3 is a detailed structural view of the snap ring 22 of embodiment 1.

The reference numerals in the drawings mean: 1. a pulverizer; 2. a crushing bin; 3. a first motor; 301. a driving gear; 302. a motor bracket; 4. a hydraulic mechanism; 401. a second motor; 402. an oil tank; 403. a hydraulic valve; 404. a hydraulic cylinder; 5. a rotating shaft; 6. a crushing blade; 7. a crushing disc; 8. a grinding disk; 9. crushing teeth; 10. a dispersion rod; 11. an operation panel; 12. a filter screen; 13. a fineness analyzer; 14. a base; 15. a feed inlet; 16. a discharge port; 17. a waste pipe; 18. a waste outlet; 20. a driven gear; 21. adjusting the nut; 22. a snap ring; 23. and (4) a boss.

Detailed Description

Specific embodiments of the present invention will be described in detail below with reference to fig. 1 to 2 so that those skilled in the art can more clearly understand how to practice the present invention. While the utility model has been described in connection with preferred embodiments thereof, these embodiments are merely illustrative, and not restrictive, of the scope of the utility model.

Example 1

As shown in fig. 1, the main body of the pulverizer 1 of the present embodiment is divided into a pulverizer cabin, a driving mechanism, a hydraulic mechanism 4, a transmission mechanism, a pulverizing mechanism, and a screening mechanism.

The crusher bin body comprises a crushing bin 2, a base 14 at the bottom of the crushing bin 2, a feeding hole 15 at the upper end of the crushing bin 2 and a discharging hole 16 at the lower end of the crushing bin 2.

The driving mechanism consists of a first motor 3 arranged above the crushing bin 2, a driving gear 301 at the output end of the motor and a motor bracket 302 connecting the motor and the crushing bin 2.

The hydraulic mechanism 4 comprises a tank 402, a second electric machine 401 located above the tank 402, a hydraulic cylinder 404, a hydraulic valve 403 connecting the tank 402 with the hydraulic cylinder 404.

The transmission mechanism includes a rotary shaft 5, and a driven gear 20 provided at an end of the rotary shaft 5 to be engaged with the driving gear 301. An adjusting nut 21, a clamping ring 22 and a boss 23 are sequentially arranged below the driven gear 20; as shown in fig. 3, the snap ring 22 is a cuboid with a semicircular notch at one end and a connecting shaft hole at the other end; when the adjusting nut 21 is loosened, the distance between the boss 23 and the adjusting nut 21 is increased, which is beneficial to mounting the snap ring 22 on the rotating shaft 5, after the snap ring 22 is mounted on the rotating shaft 5 in a matching way, the adjusting nut 21 is screwed, and the boss 23 and the adjusting nut 21 play a role in limiting the up-and-down movement of the snap ring 22; the other end of the snap ring 22 is fixedly connected with the hydraulic cylinder 404, and the snap ring 22 applies pressure to the adjusting nut 21 or the boss 23 under the action of the hydraulic rod, so that the rotating shaft 5 is controlled to ascend or descend.

The crushing mechanism consists of a crushing blade 6, a crushing disk 7, a grinding disk 8, crushing teeth 9, an operation panel 11 and a fineness analyzer 13 which are arranged on the rotating shaft 5 from top to bottom; the crushing blades 6 are spirally arranged on the rotating shaft 5, and the outer diameters of the crushing blades 6 from top to bottom on the rotating shaft 5 are sequentially increased; the lower surface of the grinding disc 7 is in corresponding equidistant clearance fit with the upper surface of the grinding disc 8, the upper surface and the lower surface are provided with grinding teeth 9, and the upper surface of the grinding disc 8 is in a shape of an inverted conical surface with a round hole at the center; the operation panel 11 is respectively electrically connected with the hydraulic mechanism 4, the first motor 3 and the fineness analyzer 13, and is provided with a motor control module, a hydraulic control module and a fineness feedback module; the motor control module is used for controlling the opening, closing and adjusting the rotating speed of the first motor 3, the hydraulic control module is used for controlling the descending, ascending and specific ascending and descending height of the hydraulic mechanism, the fineness feedback module collects the fineness of the crushed raw materials in real time, feedback is provided for adjusting the parameters of the motor and the hydraulic mechanism, and the target fineness of the raw materials of the compound fertilizer is obtained by controlling the gap and the rotating speed of the crushing disc 7 and the grinding disc 8 during working.

The screening mechanism consists of a dispersion rod 10, a filter screen 12 and a waste material pipe 17, and the compound fertilizer raw materials with the fineness exceeding a set value are screened out through the matching of the components and are discharged through a waste material outlet 18.

Example 2

In order to control the fineness of the fertilizer raw material after being pulverized, the embodiment of example 2 can be selected to achieve the same effect, except for the composition of the pulverizing mechanism of the pulverizing blade 6, the pulverizing disk 7, the grinding disk 8, the operation panel 11 and the fineness analyzer 13 in example 1. The difference between example 2 and example 1 is: in example 2, the crushing blades 6 were not provided, but the upper and lower crushing disks 7 and the polishing disk 8 were provided on the rotary shaft 5, and the gap between the upper crushing disk 7 and the polishing disk 8 was larger than that of the lower layer.

In conclusion, by means of the technical scheme, the required raw material crushing fineness can be obtained in the production process of the compound fertilizer, the fertilizer raw materials with unqualified fineness are screened out and repeatedly crushed, the production efficiency is accelerated, and the uniformity of the subsequent raw materials during mixing is improved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a compound fertilizer production line of controllable fineness rubbing crusher for line, is including smashing storehouse, actuating mechanism, drive mechanism and rubbing crusher structure, its characterized in that: the screening machine also comprises a hydraulic mechanism and a screening mechanism; the driving mechanism is arranged at the upper end of the crushing bin; the transmission mechanism comprises a rotating shaft which is vertically arranged, the upper end of the rotating shaft is in transmission connection with the driving mechanism, and the upper end of the rotating shaft is also provided with an adjusting nut, a clamping ring and a boss from top to bottom; the hydraulic mechanism is fixedly connected with the clamping ring and controls the rotating shaft to descend or ascend through the clamping ring; the screening mechanism comprises a filter screen arranged at the lower part of the crushing bin and a waste pipe arranged in the middle of the filter screen.

2. The pulverizer for a compound fertilizer production line with controllable fineness of claim 1, characterized in that: the crushing mechanism is arranged in the crushing bin and comprises a crushing disc arranged on the rotating shaft and a grinding disc which is positioned below the crushing disc and is fixedly connected with the bin wall of the crushing bin; the upper surface of abrasive disc is the back taper face of central zone round hole, the lower surface of smashing the dish corresponds equidistance clearance fit with the upper surface of abrasive disc.

3. The pulverizer for a compound fertilizer production line with controllable fineness of claim 2, characterized in that: the lower surface of crushing dish and the upper surface of abrasive disc all are equipped with crushing tooth.

4. The pulverizer for a compound fertilizer production line with controllable fineness of claim 2, characterized in that: the crushing mechanism further comprises a crushing blade arranged above the crushing disc, and the crushing blade is fixedly arranged on the rotating shaft.

5. The pulverizer for a compound fertilizer production line with controllable fineness of claim 4, characterized in that: the crushing blades are spirally arranged on the rotating shaft, and the outer diameters of the crushing blades from top to bottom on the rotating shaft are sequentially increased.

6. The pulverizer for a compound fertilizer production line with controllable fineness of claim 2, characterized in that: the crushing mechanism is provided with an upper layer and a lower layer, and the gap between the crushing disk and the grinding disk in the upper layer crushing mechanism is larger than the gap between the crushing disk and the grinding disk in the lower layer crushing mechanism.

7. The pulverizer for a compound fertilizer production line with controllable fineness of claim 1, characterized in that: the filter screen is the back taper setting, the upper end of waste pipe is connected with the center bottommost of filter screen.

8. The pulverizer for a compound fertilizer production line with controllable fineness of claim 1, characterized in that: a fineness analyzer is arranged below the filter screen, an operation panel is further arranged on the wall of the crushing bin, and the operation panel is electrically connected with the fineness analyzer, the driving mechanism and the hydraulic mechanism respectively.

9. The pulverizer for a compound fertilizer production line with controllable fineness of claim 1, characterized in that: the bottom of the rotating shaft is provided with a dispersion rod, and the dispersion rod is positioned between the grinding disc and the filter screen.