Anhydrous phosphogypsum production device

By designing an anhydrous phosphogypsum production device with a primary crushing box and a secondary grinding box, combined with motor drive and heating temperature control, the problems of poor crushing effect and automatic unloading were solved, the refined processing and automated operation of the phosphogypsum raw materials were realized, and production efficiency was improved.

CN223337474UActive Publication Date: 2025-09-16YICHANG DONGSEHNG PHOSPHATIC COMPOUND FERTILIZER CO LTD
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Patent Information

Application Number
CN202422272346.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-18
Publication Date
2025-09-16
Estimated Expiration
2034-09-18

AI Technical Summary

Technical Problem

The existing anhydrous phosphogypsum production equipment is affected by the dryness of the product in terms of pulverization effect, and lacks a graded processing structure, resulting in low functionality and the inability to achieve automated unloading, requiring laborious manual operation.

Method used

A production device including a primary crushing box and a secondary grinding box was designed. It was equipped with a motor-driven crushing roller and grinding disc, combined with a transmission mechanism and a heating device to achieve automatic control and graded crushing. The dryness was monitored by a temperature sensor, and automatic unloading was achieved using a vacuum pump and suction unloading pipes.

Benefits of technology

The crushing effect is improved, the refined processing of phosphogypsum raw materials is achieved, the processing efficiency is improved and the manpower demand is reduced. The overall performance of the device is improved through temperature-controlled drying and automatic unloading.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anhydrous phosphogypsum production device which comprises a rack and a suction blanking pipe fitting, and a primary crushing box and a secondary grinding box are sequentially welded in the rack from top to bottom. By installing a temperature sensor and the like, when the device is used, on one hand, an electric heating wire in the heating cavity is electrified to generate heat, and the temperature monitoring function of the temperature sensor installed at the top end in the primary crushing box is matched; on the other hand, the ardealite raw materials added into the primary crushing box can be subjected to temperature control drying processing, and the processing quality is improved; according to the suction type discharging device, the suction type discharging pipe fitting is matched with the air exhaust function of the started vacuum pump, so that the suction type discharging pipe fitting automatically sucks powder products which are ground into the suction type discharging barrel and discharges the powder products through the bottom of the suction type discharging barrel, the device can achieve automatic suction type discharging operation, and the working efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of production and processing of anhydrous phosphogypsum, in particular to a production device for anhydrous phosphogypsum. Background Art

[0002] Anhydrous phosphogypsum has diverse uses. It is not only widely used in environmentally friendly packaging and building materials, but also plays an important role in agriculture and industry. Crushing equipment is the most commonly used production device for anhydrous phosphogypsum. It is used to pre-treat the phosphogypsum for subsequent calcination processing. However, this type of anhydrous phosphogypsum production device that achieves crushing function still has some defects in actual operation.

[0003] When the anhydrous phosphogypsum production device realizes the crushing process of the phosphogypsum product, the crushing effect is often affected by the insufficient dryness of the product, which affects the subsequent processing. Moreover, it only realizes the single crushing process by driving the crushing roller by a motor, and it is not easy to integrate the graded processing structure composed of crushing and grinding to achieve high-precision crushing processing. Moreover, it is not easy to realize automatic unloading, and manual operation is required, which is relatively laborious. This leads to the low functionality of the device. Based on this, we propose a new type of anhydrous phosphogypsum production device to provide better use effect. Utility Model Content

[0004] The purpose of the utility model is to provide a production device for anhydrous phosphogypsum to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a production device for anhydrous phosphogypsum, comprising a frame and a suction and discharge pipe fitting, wherein a primary crushing box and a secondary grinding box are welded in sequence from top to bottom inside the frame, a temperature sensor is installed at the top of the interior of the primary crushing box, both ends of the interior of the primary crushing box are movably connected to a crushing roller, a second motor connected to the crushing roller is installed on the outer wall of the primary crushing box, one end of the interior of the secondary grinding box is movably connected to a transmission screw through a bearing, and a transmission screw is threadedly connected to the transmission screw. A nut seat, a first motor connected to a transmission screw is installed on the frame, a limiting slide is welded on the transmission nut seat, a third motor is fixed to one end of the limiting slide, an output end of the third motor is connected to a grinding disc matching the secondary grinding box, the suction and unloading pipe is welded to one side of the secondary grinding box, an electromagnetic valve is installed on the top of the suction and unloading pipe, a vacuum pump and a suction unloading barrel are respectively fixed on the frames at both ends of the suction and unloading pipe, a heating chamber is provided on the inner side wall of the primary crushing box, and an electric heating wire is arranged inside the heating chamber.

[0006] Preferably, fixing screw holes are evenly arranged on the edge of the bottom of the rack, so that the bottom of the rack can be easily fixed and installed by screws.

[0007] Preferably, a material guide pipe is welded between the secondary grinding box and the primary crushing box, and the interiors of the primary crushing box, the secondary grinding box and the material guide pipe are interconnected, thereby realizing graded crushing and grinding processing.

[0008] Preferably, two limiting slide bars are provided, and a sliding connection is formed between the secondary grinding box and the limiting slide bars.

[0009] Preferably, a connecting hose is provided between the vacuum pump, the suction-type unloading barrel and the suction-type unloading pipe fitting, so as to facilitate the vacuum adsorption-type unloading operation.

[0010] Preferably, the bottom of the suction type discharge barrel is threadedly connected with a sealing plug.

[0011] Preferably, a pressure relief valve is installed at the top of the primary crushing box to facilitate pressure relief protection of hot air generated during drying inside the primary crushing box.

[0012] Preferably, the outer side wall of the primary crushing box is provided with a rubber insulation outer layer, and the interior of the side wall of the primary crushing box is provided with an aluminum alloy base layer, which improves the thermal insulation performance of the outer wall of the primary crushing box.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] (1) The anhydrous phosphogypsum production device is equipped with a first motor, etc., so that the device optimizes its own performance. On the one hand, the two second motors on the primary crushing box are started to drive the two crushing rollers to rotate, which can realize the coarse crushing processing of the phosphogypsum product added to the primary crushing box. On the other hand, the third motor inside the secondary grinding box is started to drive the grinding disc connected thereto to rotate, and finely grind the materials that fall into the secondary grinding box after the coarse crushing processing of the primary crushing box. At the same time, the first motor is started, and the transmission mechanism composed of the transmission screw and the transmission nut seat can drive the rotating grinding structure composed of the third motor and the grinding disc to move forward automatically, which can realize the uniform and comprehensive grinding processing of the materials inside the secondary grinding box. Therefore, the device realizes the refined and comprehensive processing of the phosphogypsum raw materials by integrating the graded crushing and grinding processing functions.

[0015] (2) The anhydrous phosphogypsum production device is equipped with electric heating wires, etc., so that when the device is actually operated, on the one hand, the electric heating wire inside the heating chamber is energized to generate heat, and then combined with the temperature monitoring function of the temperature sensor installed at the top of the primary crushing box, it can realize the temperature-controlled drying processing of the phosphogypsum raw materials added to the primary crushing box, reduce the moisture content, and improve the processing effect. On the other hand, the electromagnetic valve installed on the suction discharge pipe installed on one side of the secondary grinding box is opened, and combined with the suction effect of the started vacuum pump, the suction discharge pipe automatically draws the powder product that has completed the grinding process into the suction discharge barrel and discharges it through the bottom of the suction discharge barrel, which enables the device to realize automatic suction discharge operation, improve work efficiency, and save human resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0017] Figure 2 This is a schematic diagram of a partial cross-sectional structure of a secondary grinding box of the utility model;

[0018] Figure 3 This is a rear view structural diagram of the suction and discharge pipe fitting of the utility model;

[0019] Figure 4 This is a side view structural diagram of the second motor of the present invention;

[0020] Figure 5 This is a schematic diagram of the cross-sectional structure of the side wall of the primary crushing box of the present utility model.

[0021] In the figure: 1. Frame; 2. First motor; 3. Drive screw; 4. Second motor; 5. Temperature sensor; 6. Pressure relief valve; 7. Primary crushing box; 8. Secondary grinding box; 9. Suction discharge pipe; 10. Drive nut seat; 11. Limit slide bar; 12. Material guide pipe; 13. Third motor; 14. Grinding disc; 15. Aluminum alloy base; 16. Solenoid valve; 17. Connecting hose; 18. Vacuum pump; 19. Suction discharge barrel; 20. Crushing roller; 21. Heating wire; 22. Heating chamber; 23. Rubber insulation outer layer. DETAILED DESCRIPTION

[0022] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] See also Figure 1-5The present invention provides an embodiment of an anhydrous phosphogypsum production device, comprising a frame 1 and a suction and discharge pipe 9. A primary crushing box 7 and a secondary grinding box 8 are welded to the inside of the frame 1 from top to bottom. A temperature sensor 5 is installed at the top of the primary crushing box 7. Both ends of the primary crushing box 7 are movably connected to crushing rollers 20. A second motor 4 connected to the crushing rollers 20 is installed on the outer wall of the primary crushing box 7.

[0024] When in use, the two second motors 4 on the primary crushing box 7 are started to drive the two crushing rollers 20 to rotate, which can achieve coarse crushing of the phosphogypsum product added to the primary crushing box 7;

[0025] One end of the secondary grinding box 8 is evenly connected to a transmission screw 3 through a bearing, and a transmission nut seat 10 is threadedly connected to the transmission screw 3. A first motor 2 connected to the transmission screw 3 is installed on the frame 1, and a limiting slide 11 is welded on the transmission nut seat 10. A third motor 13 is fixed to one end of the limiting slide 11, and an output end of the third motor 13 is connected to a grinding disc 14 that matches the secondary grinding box 8;

[0026] When in use, starting the third motor 13 inside the secondary grinding box 8 can drive the grinding disc 14 connected thereto to rotate, and finely grind the materials that have fallen into the secondary grinding box 8 after the coarse crushing process in the primary crushing box 7. At the same time, starting the first motor 2, the transmission mechanism composed of the transmission screw 3 and the transmission nut seat 10 can drive the rotating grinding structure composed of the third motor 13 and the grinding disc 14 to move forward automatically, so as to achieve uniform and comprehensive grinding of the materials inside the secondary grinding box 8.

[0027] The suction and discharge pipe 9 is welded to one side of the secondary grinding box 8. A solenoid valve 16 is installed on the top of the suction and discharge pipe 9. A vacuum pump 18 and a suction discharge barrel 19 are fixed on the frame 1 at both ends of the suction and discharge pipe 9 respectively.

[0028] The inner wall of the primary crushing box 7 is provided with a heating chamber 22, and an electric heating wire 21 is arranged inside the heating chamber 22;

[0029] When in use, the heating wire 21 inside the heating chamber 22 is energized to generate heat, and combined with the temperature monitoring function of the temperature sensor 5 installed at the top of the primary crushing box 7, the temperature-controlled drying process of the phosphogypsum raw material added to the primary crushing box 7 can be achieved, thereby reducing the moisture content and improving the processing effect.

[0030] The bottom edge of the rack 1 is evenly provided with fixing screw holes, making it easy to fix the bottom of the rack 1 with screws;

[0031] A guide pipe 12 is welded between the secondary grinding box 8 and the primary crushing box 7. The primary crushing box 7, the secondary grinding box 8 and the guide pipe 12 are internally connected, so that a graded crushing and grinding process is achieved.

[0032] There are two limit slide bars 11, and a sliding connection is formed between the secondary grinding box 8 and the limit slide bars 11;

[0033] A connecting hose 17 is provided between the vacuum pump 18, the suction unloading barrel 19 and the suction unloading pipe 9, so as to facilitate the vacuum adsorption unloading operation;

[0034] The bottom of the suction-type discharge barrel 19 is threadedly connected with a sealing plug;

[0035] A pressure relief valve 6 is installed at the top of the primary crushing box 7 to facilitate the pressure relief protection of the hot air generated during drying inside the primary crushing box 7;

[0036] The outer wall of the primary crushing box 7 is provided with a rubber heat-insulating outer layer 23 , and the interior of the side wall of the primary crushing box 7 is provided with an aluminum alloy base layer 15 , which improves the heat-insulating performance of the outer wall of the primary crushing box 7 .

[0037] When the embodiment of the present application is in use: an external power supply and control equipment are connected, and the user can use the fixing screw holes evenly arranged on the bottom edge of the frame 1 to fix the frame 1 with screws, thereby improving the stability performance. During actual operation, starting the two second motors 4 on the primary crushing box 7 can drive the two crushing rollers 20 to rotate, which can achieve coarse crushing processing of the phosphogypsum product added to the primary crushing box 7. On the other hand, starting the third motor 13 inside the secondary grinding box 8 can drive the grinding disc 14 connected thereto to rotate, and perform fine grinding processing on the materials that fall into the secondary grinding box 8 after the coarse crushing processing of the primary crushing box 7. Secondly, starting the first motor 2, cooperating with the transmission mechanism composed of the transmission screw 3 and the transmission nut seat 10, can drive the rotating grinding structure composed of the third motor 13 and the grinding disc 14 to move forward automatically, which can achieve the secondary grinding. The material inside the grinding box 8 is ground evenly and comprehensively, so that the device realizes the refined and comprehensive processing of the phosphogypsum raw materials by integrating the graded crushing and grinding processing functions. At the same time, the electric heating wire 21 inside the heating chamber 22 is energized to generate heat, and combined with the temperature monitoring function of the temperature sensor 5 installed at the top of the primary crushing box 7, the temperature-controlled drying processing of the phosphogypsum raw materials added to the primary crushing box 7 can be realized, the moisture content is reduced, and the processing effect is improved. Finally, the solenoid valve 16 provided on the suction and discharge pipe 9 installed on one side of the secondary grinding box 8 is opened, and the suction effect of the started vacuum pump 18 is cooperated to make the suction and discharge pipe 9 automatically draw the powder product that has completed the grinding process into the suction discharge barrel 19 and discharge it through the bottom of the suction discharge barrel 19, which enables the device to realize automatic suction discharge operation, improve work efficiency, and save human resources.

Claims

1. A production device for anhydrous phosphogypsum, characterized in that: The invention comprises a frame (1) and a suction discharge pipe (9), wherein a primary crushing box (7) and a secondary grinding box (8) are welded in sequence from top to bottom inside the frame (1), a temperature sensor (5) is installed at the top of the primary crushing box (7), both ends of the primary crushing box (7) are movably connected to a crushing roller (20), a second motor (4) connected to the crushing roller (20) is installed on the outer wall of the primary crushing box (7), one end of the secondary grinding box (8) is movably connected to a transmission screw (3) through a bearing, a transmission nut seat (10) is threadedly connected to the transmission screw (3), and a first motor ( 2), a limiting slide bar (11) is welded on the transmission nut seat (10), a third motor (13) is fixed to one end of the limiting slide bar (11), an output end of the third motor (13) is connected to a grinding disc (14) that matches the secondary grinding box (8), the suction and discharge pipe (9) is welded to one side of the secondary grinding box (8), a solenoid valve (16) is installed on the top of the suction and discharge pipe (9), a vacuum pump (18) and a suction discharge barrel (19) are respectively fixed on the frames (1) at both ends of the suction and discharge pipe (9), a heating chamber (22) is provided on the inner wall of the primary crushing box (7), and a heating wire (21) is arranged inside the heating chamber (22).

2. The production device of anhydrous phosphogypsum according to claim 1, characterized in that: Fixing screw holes are evenly arranged on the edge of the bottom of the frame (1).

3. The production device of anhydrous phosphogypsum according to claim 1, characterized in that: A material guide pipe (12) is welded between the secondary grinding box (8) and the primary crushing box (7), and the interiors of the primary crushing box (7), the secondary grinding box (8), and the material guide pipe (12) are interconnected.

4. The production device of anhydrous phosphogypsum according to claim 1, characterized in that: Two limiting slide bars (11) are provided, and a sliding connection is formed between the secondary grinding box (8) and the limiting slide bars (11).

5. The production device of anhydrous phosphogypsum according to claim 1, characterized in that: A connecting hose (17) is provided between the vacuum pump (18), the suction discharge barrel (19) and the suction discharge pipe (9).

6. The production device of anhydrous phosphogypsum according to claim 1, characterized in that: The bottom of the suction-type discharge barrel (19) is threadedly connected with a sealing plug.

7. The production device of anhydrous phosphogypsum according to claim 1, characterized in that: A pressure relief valve (6) is installed at the top end of the primary crushing box (7).

8. The production device of anhydrous phosphogypsum according to claim 1, characterized in that: The outer side wall of the primary crushing box (7) is provided with a rubber heat-insulating outer layer (23), and the interior of the side wall of the primary crushing box (7) is provided with an aluminum alloy base layer (15).