Industrial ardealite waste treatment device and method

Abstract

The invention relates to the technical field of industrial ardealite treatment, and discloses an industrial ardealite waste treatment device and method.The industrial ardealite waste treatment device comprises a feeding hopper, a cover, a smashing box, a bottom plate, a smashing mechanism, a grinding and mixing barrel, a waste powder transfer pipe and a reaction tank, and a feeding frame is installed at the bottom of the feeding hopper and fixedly connected to the rear portion of the upper end of the cover; the crushing mechanism is connected to the interior between the cover and the crushing box; the bottom plate is installed at the bottom of the smashing box, supports are fixedly distributed at the corners of the bottom of the bottom plate, and the bottom of the smashing box is connected with a discharging groove in a penetrating mode. The grinding and mixing cylinder is fixedly connected to the lower end of the discharging groove, and connecting plates are fixedly connected between the lower ends of the two sides of the grinding and mixing cylinder and the support. The waste powder transfer pipe is connected to the right end of the bottom of the grinding and mixing barrel, and the reaction tank is connected to the right end of the waste powder transfer pipe. According to the industrial ardealite waste treatment device, efficient crushing of industrial ardealite waste is achieved, sufficient refining is achieved in the grinding process, and the waste treatment quality is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of industrial phosphogypsum treatment, and in particular to an industrial phosphogypsum waste treatment device and method. Background Art

[0002] Phosphogypsum is a solid industrial by-product produced during the production of wet-process phosphoric acid. Its main chemical component is CaSO4·2H2O, and it contains a small amount of SiO2, Al2O3, Fe2O3, CaO, MgO, trace amounts of metal ions and radioactive elements, and impurities such as undecomposed phosphate rock powder, P2O5, F- and free acid. It usually appears as needle-shaped, plate-shaped, dense crystals and polycrystalline crystals.

[0003] Most of the existing industrial phosphogypsum waste is stored and treated, and there is no good way to utilize it. The manual intervention operation is difficult and labor costs are high, the economic benefits of treatment are low, and it is difficult to efficiently recycle and reuse resources. Therefore, it is necessary to design a corresponding technical solution to solve this problem. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides an industrial phosphogypsum waste treatment device and method to solve the technical problems thereof.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: an industrial phosphogypsum waste treatment device, comprising a feed hopper, a cover, a crushing box, a bottom plate, a crushing mechanism, a grinding and mixing cylinder, a waste powder transfer pipe and a reaction tank, a feed frame is installed at the bottom of the feed hopper, the cover and the crushing box are symmetrically structured and relatively installed, and the feed frame is fixedly connected to the upper rear part of the cover.

[0008] The pulverizing mechanism is connected to the interior between the cover and the pulverizing box;

[0009] The bottom plate is installed at the bottom of the crushing box, and a bracket is fixedly distributed at the bottom corner of the bottom plate. The bracket is an outwardly inclined structure, and a material discharge chute is connected through the bottom of the crushing box;

[0010] The grinding and mixing cylinder is fixedly connected to the lower end of the feed chute, and connecting plates are fixedly connected between the lower ends of both sides of the grinding and mixing cylinder and the bracket;

[0011] The waste powder transfer pipe is connected to the right end of the bottom of the grinding and mixing cylinder, and the reaction tank is connected to the right end of the waste powder transfer pipe.

[0012] Preferably, the crushing mechanism includes an axle rod, an axle seat, a crushing toothed disc and a tip structure, the axle rod passes through and is rotatably connected to the inside of the axle seat, the axle seat is fixedly arranged near the front at both ends between the cover and the crushing box, the crushing toothed disc is fixedly distributed on the outside of the axle rod, and the tip structure is fixedly distributed near the rear of the inner wall of the crushing box; the axle seat is used to stably support the rotation of the axle rod, and is accurately and stably clamped to the two ends between the cover and the crushing box, the axle rod is used to drive multiple groups of crushing toothed discs to rotate at high speed, and the high-speed rotation of the multiple groups of crushing toothed discs cooperates with the tip structure of the inner wall of the crushing box to form multi-directional shear and impact forces, which effectively improves the crushing efficiency of the waste, speeds up the waste processing speed, ensures the uniform refinement of the waste particles, and provides a good material basis for the subsequent grinding process. The power transmission is smooth and easy to maintain through the transmission belt drive, which enhances the reliability and durability of the entire crushing system.

[0013] Preferably, a fixed shaft disk is extended and fixedly provided at the left end of the shaft rod, and the rear end of the fixed shaft disk is connected to a driving shaft disk via a transmission belt, and the right end of the driving shaft disk is connected to a driving motor, and a mounting plate is fixedly provided at the inner end of the driving motor, and the mounting plate is mounted on the outer end of the bracket; the mounting plate is used to mount the driving motor to the outer end of the bracket, and the driving motor is used to drive the driving shaft disk to rotate through the output end, and the transmission between the driving shaft disk and the fixed shaft disk is controlled by multiple sets of transmission belts.

[0014] Preferably, a discharge port is provided at the bottom of the right end of the grinding and mixing cylinder, and the discharge port is connected to the left end of the waste powder transfer pipe, and a solenoid valve is provided inside the waste powder transfer pipe; the discharge port is used to output the ground powder, and the solenoid valve is used to control the transfer speed and amount of the waste as needed, thereby increasing the controllability of the processing process.

[0015] Preferably, a grinding column is provided in the middle of the interior of the grinding and mixing cylinder, a convex structure with a conical structure is fixedly provided on the top of the grinding column, a grinding seat is fixedly provided on the bottom of the grinding column, a connecting rod is fixedly distributed near the upper end of the outer wall of the grinding column, a limiting ring plate is fixedly provided on the outer end of the connecting rod, and a gear ring is fixedly provided on the outer end of the limiting ring plate; a limiting groove is provided on the inner wall of the grinding and mixing cylinder, and the limiting ring plate and the gear ring are slidingly connected to the inside of the limiting groove in a ring track; the convex structure with a conical structure is used to avoid accumulation of crushed waste when it falls downward, and the grinding seat is used to contact the groove to fully and effectively grind the waste, multiple sets of connecting rods are used to stably support the grinding column and the limiting ring plate, and the limiting groove is used to limit the sliding limiting ring plate, which is stable and reliable.

[0016] Preferably, a groove is provided at the inner bottom of the grinding and mixing cylinder, and the diameter of the groove is smaller than the diameter of the grinding column, so that the grinding seat at the lower end of the grinding column can fully grind the industrial phosphogypsum waste in the groove.

[0017] Preferably, a through groove is provided at the front end of the limit groove, and a driving gear disc is provided at the outer end of the through groove, and the driving gear disc is meshingly connected to the outer end of the gear ring, and a motor shaft is fixedly provided through the inside of the driving gear disc, and a motor is connected to the bottom of the motor shaft, and a shaft plate is connected to the top of the motor shaft, and the shaft plate and the motor are fixed to the outer wall of the grinding and mixing cylinder; the through groove is used to pass through the driving gear disc to mesh and control the rotation of the gear ring, the motor is used to drive and control the rotation of the motor shaft and the driving gear disc, and the shaft plate is used to auxiliary support the rotation of the motor shaft.

[0018] Preferably, a suction seat is provided on the top of the reaction tank, a filter plate is installed on the bottom of the suction seat, a vacuum suction pump is provided on the upper end of the suction seat, and an air inlet pipe and an air outlet pipe are connected and distributed on the upper side of the reaction tank; a temperature control device is installed on the front end of the reaction tank, and the temperature control device is electrically connected to an electric heating tube, which fills the inner interlayer of the reaction tank; the vacuum suction pump and the suction seat enable the reaction tank to form a negative pressure environment, effectively sucking the powder from the waste powder transfer pipe, the filter plate is used to prevent the powder from flying out, and the temperature control device is used to control the heating of the electric heating tube, ensuring that the chemical reaction is carried out within the optimal temperature range, thereby improving the resource recovery rate and product quality.

[0019] Preferably, a slag recovery port is opened at the lower right end of the reaction tank, and a baffle is installed at the outer end of the slag recovery port; the baffle is used for manual disassembly and assembly, and the slag recovery port realizes the recycling of effective ingredients in phosphogypsum, which is convenient for harmless treatment or reuse of solid residues, and is in line with the concept of circular economy and green development.

[0020] A method for treating industrial phosphogypsum waste, the method steps comprising the following steps:

[0021] S1. Put the industrial phosphogypsum waste into the feed hopper, pass through the feed frame and cover into the crushing box;

[0022] S2, start the driving motor to automatically control the driving shaft disc to rotate, and drive the fixed shaft disc and the shaft rod to rotate through multiple sets of transmission belts, so that multiple sets of crushing tooth discs rotate at high speed to crush fertilizers, and at the same time, industrial phosphogypsum waste is effectively crushed through multiple sets of cutting-edge structures;

[0023] S3, after the crushing is completed, it enters the grinding and mixing cylinder through the feeding chute for grinding;

[0024] S4, start the motor to automatically control the motor shaft and drive the gear disc to rotate, drive the gear disc to rotate through the through-mouth groove to engage the gear ring, drive the limit ring plate to slide stably at the limit groove, drive the grinding column to rotate through multiple connecting rods, and effectively grind the waste at the groove through the grinding seat at the bottom;

[0025] S5, open the solenoid valve at the waste powder transfer pipe, start the vacuum suction pump to suck air through the suction seat, so that the waste powder enters the reaction tank through the discharge port and the waste powder transfer pipe, and is filtered and blocked by the filter screen;

[0026] S6. Gas is introduced through the air inlet pipe for reaction. At the same time, the temperature of the reaction tank is controlled by a temperature control device and raised to 450-600 degrees Celsius to produce SO2 and solid residue. SO2 is recovered through the air outlet pipe, and the baffle is opened to discharge the solid residue from the slag recovery port for recovery.

[0027] (III) Beneficial effects

[0028] Compared with the prior art, the present invention has the following beneficial effects: a pulverizing mechanism is formed by combining the cover and the pulverizing box, thereby achieving efficient pulverization of industrial phosphogypsum waste; multiple groups of pulverizing toothed discs and tip structures form a multi-stage pulverizing structure, thereby effectively improving the pulverization efficiency of the waste; the grinding structure built into the grinding and mixing cylinder body achieves full refinement of the waste during the grinding process, thereby improving the treatment quality of the waste, facilitating uniform mixing of the waste, providing more uniform reactants for subsequent chemical reactions, and improving the efficiency of the chemical reactions and the quality of the products; a reaction tank is connected to the right end of the bottom of the grinding and mixing cylinder body through a waste powder transfer pipe, and the grinding powder is automatically controlled to be transferred into the reaction tank for reaction, thereby reducing manual intervention, reducing operating difficulty and labor costs, improving operation safety and continuity, and significantly improving the economic benefits of industrial phosphogypsum waste treatment, and efficient resource recovery and reuse. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall top viewing angle structure of the present invention;

[0030] Figure 2 It is a schematic diagram of the overall bottom viewing angle structure of the present invention;

[0031] Figure 3 It is a side view structural schematic diagram of the present invention;

[0032] Figure 4 It is a schematic diagram of the internal structure of the pulverizing mechanism of the present invention;

[0033] Figure 5 It is a schematic diagram of the internal structure of the grinding and mixing mechanism of the present invention from an upper perspective;

[0034] Figure 6 It is a schematic diagram of the internal cross-sectional structure of the grinding and mixing mechanism of the present invention;

[0035] Figure 7 For the present invention Figure 6 The enlarged structural diagram at A in the middle;

[0036] Figure 8 This is a schematic diagram of the internal cylinder structure of the grinding and mixing mechanism of the present invention;

[0037] Fig. 9 For the present invention Figure 8 The enlarged structural diagram at B in the middle;

[0038] Fig.10 It is a schematic diagram of the internal structure of the reaction tank of the present invention.

[0039] In the figure, 1, feed hopper; 11, feed frame; 2, cover; 3, crushing box; 31, feed chute; 32, tip structure; 4, bottom plate; 41, bracket; 42, connecting plate; 5, driving motor; 51, driving shaft disc; 52, fixed shaft disc; 53, shaft rod; 531, shaft seat; 532, crushing tooth disc; 54, mounting plate; 6, grinding and mixing cylinder; 61, discharge port; 62, grinding column; 620, grinding seat; 621, protruding structure; 62 2. Connecting rod; 623. Limiting ring plate; 6231. Gear ring; 63. Motor; 631. Motor shaft; 632. Driving gear disc; 633. Shaft plate; 64. Through slot; 65. Limiting slot; 66. Groove; 7. Waste powder transfer pipe; 8. Reactor; 81. Temperature control device; 82. Vacuum suction pump; 821. Suction seat; 8211. Filter plate; 83. Inlet pipe; 84. Outlet pipe; 85. Slag recovery port; 851. Baffle. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] See also Figure 1-Figure 10 The embodiment of the present invention provides a technical solution: an industrial phosphogypsum waste treatment device, comprising a feed hopper 1, a cover 2, a crushing box 3, a bottom plate 4, a crushing mechanism, a grinding and mixing cylinder 6, a waste powder transfer pipe 7 and a reaction tank 8, a feed frame 11 is installed at the bottom of the feed hopper 1, the cover 2 and the crushing box 3 are symmetrically structured and relatively installed, and the feed frame 11 is fixedly connected to the upper rear of the cover 2,

[0042] The crushing mechanism is connected to the interior between the cover 2 and the crushing box 3;

[0043] The bottom plate 4 is installed at the bottom of the crushing box 3. A bracket 41 is fixedly distributed at the bottom corner of the bottom plate 4. The bracket 41 is an outwardly inclined structure. The bottom of the crushing box 3 is connected with a feed chute 31.

[0044] The grinding and mixing cylinder 6 is fixedly connected to the lower end of the feed chute 31, and connecting plates 42 are fixedly connected between the lower ends of both sides of the grinding and mixing cylinder 6 and the bracket 41;

[0045] The waste powder transfer pipe 7 is connected to the right end of the bottom of the grinding and mixing cylinder 6 , and the reaction tank 8 is connected to the right end of the waste powder transfer pipe 7 .

[0046] Further improved, the crushing mechanism includes a shaft 53, a shaft seat 531, a crushing toothed disc 532 and a tip structure 32, the shaft 53 passes through and is rotatably connected to the inside of the shaft seat 531, the shaft seat 531 is fixedly arranged near the front of both ends between the cover 2 and the crushing box 3, the crushing toothed disc 532 is fixedly distributed on the outside of the shaft 53, and the tip structure 32 is fixedly distributed near the rear of the inner side wall of the crushing box 3;

[0047] The shaft seat 531 is used to stably support the rotation of the shaft rod 53, and is accurately and stably connected to the two ends between the cover 2 and the crushing box 3. The shaft rod 53 is used to drive multiple groups of crushing toothed discs 532 to rotate at high speed. The multiple groups of crushing toothed discs 532 rotate at high speed and cooperate with the tip structure 32 of the inner wall of the crushing box 3 to form multi-directional shearing and impact forces, which effectively improves the crushing efficiency of the waste, speeds up the waste processing speed, ensures the uniform refinement of the waste particles, and provides a good material basis for the subsequent grinding process. The power transmission is smooth and easy to maintain through the transmission belt drive, which enhances the reliability and durability of the entire crushing system.

[0048] As a further improvement, a fixed shaft disc 52 is extended and fixedly provided at the left end of the shaft rod 53, and a rear end of the fixed shaft disc 52 is connected to a driving shaft disc 51 through a transmission belt, and a driving motor 5 is connected to the right end of the driving shaft disc 51, and a mounting plate 54 is fixedly provided at the inner end of the driving motor 5, and the mounting plate 54 is mounted on the outer end of the bracket 41;

[0049] The mounting plate 54 is used to mount the driving motor 5 to the outer end of the bracket 41 . The driving motor 5 is used to drive the driving shaft disc 51 to rotate through the output end. The transmission between the driving shaft disc 51 and the fixed shaft disc 52 is controlled by multiple sets of transmission belts.

[0050] As a further improvement, a discharge port 61 is provided at the bottom of the right end of the grinding and mixing cylinder 6, and the discharge port 61 is connected to the left end of the waste powder transfer pipe 7, and a solenoid valve is provided inside the waste powder transfer pipe 7;

[0051] The discharge port 61 is used to output the ground powder, and the solenoid valve is used to control the transfer speed and amount of the waste material as required, thereby increasing the controllability of the processing process.

[0052] As a further improvement, a grinding column 62 is provided in the middle of the grinding and mixing cylinder 6, a protruding structure 621 with a conical structure is fixedly provided on the top of the grinding column 62, a grinding seat 620 is fixedly provided on the bottom of the grinding column 62, a connecting rod 622 is fixedly provided near the upper end of the outer wall of the grinding column 62, a limiting ring plate 623 is fixedly provided on the outer end of the connecting rod 622, and a gear ring 6231 is fixedly provided on the outer end of the limiting ring plate 623;

[0053] The inner side wall of the grinding and mixing cylinder 6 is provided with a limiting groove 65, and the limiting ring plate 623 and the gear ring 6231 are slidably connected to the inside of the limiting groove 65 in an annular track;

[0054] The raised structure 621 with a conical structure is used to prevent the accumulation of crushed waste when it falls downward. The grinding seat 620 is used to contact the groove 66 to fully and effectively grind the waste. The multiple sets of connecting rods 622 are used to stably support the grinding column 62 and the limiting ring plate 623. The limiting groove 65 is used to limit the sliding limiting ring plate 623, which is stable and reliable.

[0055] As a further improvement, a groove 66 is provided at the inner bottom of the grinding and mixing cylinder 6, and the diameter of the groove 66 is smaller than the diameter of the grinding column 62;

[0056] The grinding seat 620 at the lower end of the grinding column 62 fully grinds the industrial phosphogypsum waste in the groove 66 .

[0057] Further improved, the front end of the limiting groove 65 is provided with a through-mouth groove 64, the outer end of the through-mouth groove 64 is provided with a driving toothed disc 632, the driving toothed disc 632 is meshedly connected to the outer end of the gear ring 6231, the inside of the driving toothed disc 632 is penetrated and fixed with a motor shaft 631, the bottom of the motor shaft 631 is connected to the motor 63, the top of the motor shaft 631 is connected to the shaft plate 633, and the shaft plate 633 and the motor 63 are both fixedly arranged on the outer side wall of the grinding and mixing cylinder 6;

[0058] The through slot 64 is used to pass through the driving gear disc 632 to engage with the control gear ring 6231 to rotate. The motor 63 is used to drive and control the motor shaft 631 and the driving gear disc 632 to rotate. The shaft plate 633 is used to assist in supporting the motor shaft 631 to rotate.

[0059] Further improved, a suction seat 821 is provided at the top of the reaction tank 8, a filter plate 8211 is installed at the bottom of the suction seat 821, a vacuum suction pump 82 is provided at the upper end of the suction seat 821, and an air inlet pipe 83 and an air outlet pipe 84 are connected and distributed on the upper side of the reaction tank 8;

[0060] A temperature control device 81 is installed at the front end of the reaction tank 8, and the temperature control device 81 is electrically connected to an electric heating pipe, which is filled and distributed in the inner interlayer of the reaction tank 8;

[0061] The vacuum suction pump 82 and the suction seat 821 create a negative pressure environment in the reaction tank 8, effectively sucking the powder from the waste powder transfer pipe 7. The filter plate 8211 is used to prevent the powder from flying out. The temperature control device 81 is used to control the heating of the electric heating tube, ensuring that the chemical reaction is carried out within the optimal temperature range, thereby improving the resource recovery rate and product quality.

[0062] Specifically, a slag recovery port 85 is provided at the lower right end of the reaction tank 8, and a baffle 851 is installed at the outer end of the slag recovery port 85;

[0063] The baffle 851 is used for manual disassembly and assembly, and the slag recovery port 85 realizes the recovery and utilization of the effective components in the phosphogypsum, which is convenient for the harmless treatment or reuse of the solid residue, and is in line with the concept of circular economy and green development.

[0064] A method for treating industrial phosphogypsum waste, the method steps comprising the following steps:

[0065] S1, industrial phosphogypsum waste is put into the feed hopper 1, passes through the feed frame 11 and through the cover 2 into the crushing box 3;

[0066] S2, start the driving motor 5 to automatically control the driving shaft disc 51 to rotate, and drive the fixed shaft disc 52 and the shaft rod 53 to rotate through multiple sets of transmission belts, so that multiple sets of crushing toothed discs 532 rotate at high speed to crush fertilizers, and at the same time, the industrial phosphogypsum waste is effectively crushed through multiple sets of tip structures 32;

[0067] S3, after the crushing is completed, it enters the grinding and mixing cylinder 6 through the feeding chute 31 for grinding;

[0068] S4, start the motor 63 to automatically control the motor shaft 631 and the driving gear plate 632 to rotate, the driving gear plate 632 passes through the through-hole groove 64 to engage the gear ring 6231 to rotate, drive the limiting ring plate 623 to slide stably at the limiting groove 65, drive the grinding column 62 to rotate through multiple connecting rods 622, and effectively grind the waste at the groove 66 through the grinding seat 620 at the bottom thereof;

[0069] S5, open the solenoid valve at the waste powder transfer pipe 7, start the vacuum suction pump 82 to suck air through the suction seat 821, so that the waste powder passes through the discharge port 61 and the waste powder transfer pipe 7 into the reaction tank 8, and is filtered and blocked by the filter screen 8211;

[0070] S6. Gas is introduced through the air inlet pipe 83 for reaction. At the same time, the temperature of the reaction tank 8 is controlled by the temperature control device 81 and raised to 450-600 degrees Celsius to produce SO2 and solid residue. SO2 is recovered through the air outlet pipe 84, and the baffle 851 is opened to discharge the solid residue from the slag recovery port 85 for recovery.

[0071] Example 1

[0072] The industrial phosphogypsum waste is put into the feed hopper 1, passes through the feed frame 11, and passes through the cover 2 to enter the crushing box 3; the drive motor 5 is started to automatically control the drive shaft disc 51 to rotate, and the fixed shaft disc 52 and the shaft rod 53 are driven to rotate through multiple sets of transmission belts, so that multiple sets of crushing toothed discs 532 rotate at high speed to crush the fertilizer, and at the same time, the industrial phosphogypsum waste is effectively crushed through multiple sets of tip structures 32; after the crushing is completed, it enters the grinding and mixing cylinder 6 through the feed chute 31; the electric power at the waste powder transfer pipe 7 is turned on. The magnetic valve is used to start the vacuum suction pump 82 to suck air through the suction seat 821, so that the waste powder enters the reaction tank 8 through the discharge port 61 and the waste powder transfer pipe 7, and is filtered and blocked by the filter screen 8211; the gas is introduced through the air inlet pipe 83 for reaction, and the temperature of the reaction tank 8 is controlled by the temperature control device 81 and raised to 450 degrees Celsius to produce SO2 and solid residue. The SO2 is recovered through the air outlet pipe 84, and the baffle 851 is opened to discharge the solid residue from the slag recovery port 85 for recovery.

[0073] Example 2

[0074] The industrial phosphogypsum waste is put into the feed hopper 1, passes through the feed frame 11 and the cover 2 to enter the crushing box 3; the drive motor 5 is started to automatically control the rotation of the drive shaft disc 51, and the fixed shaft disc 52 and the shaft rod 53 are driven to rotate through multiple sets of transmission belts, so that multiple sets of crushing toothed discs 532 rotate at high speed to crush the fertilizer, and at the same time, the industrial phosphogypsum waste is effectively crushed through multiple sets of tip structures 32; after the crushing is completed, it enters the grinding and mixing cylinder 6 through the discharge chute 31 for grinding; the motor 63 is started to automatically control the rotation of the motor shaft 631 and the drive toothed disc 632, and the drive toothed disc 632 passes through the through-mouth groove 64 to engage the gear ring 6231 to rotate, driving the limit ring plate 623 to be stable in the limit groove 65 Fixed sliding, through multiple connecting rods 622 to drive the grinding column 62 to rotate, through the grinding seat 620 at the bottom thereof to effectively grind the waste in the groove 66; open the solenoid valve at the waste powder transfer pipe 7, start the vacuum suction pump 82 to suck air through the suction seat 821, so that the waste powder passes through the discharge port 61 and the waste powder transfer pipe 7 into the reaction tank 8, and is filtered and blocked by the filter plate 8211; introduce gas through the air inlet pipe 83 for reaction, and at the same time control the temperature of the reaction tank 8 through the temperature control device 81, and heat it to 600 degrees Celsius to produce SO2 and solid residue, which is recovered through the air outlet pipe 84, and open the baffle 851 to discharge the solid residue from the slag recovery port 85 for recovery.

[0075] The feed hopper 1, feed frame 11, cover 2, crushing box 3, feed chute 31, tip structure 32, bottom plate 4, bracket 41, connecting plate 42, drive motor 5, drive shaft disc 51, fixed shaft disc 52, shaft rod 53, shaft seat 531, crushing tooth disc 532, mounting plate 54, grinding mixing cylinder 6, discharge port 61, grinding column 62, grinding seat 620, protruding structure 621, connecting rod 622, limiting ring plate 623, tooth ring 6231, motor 63, motor shaft 631, drive tooth disc 632, shaft plate 633, The through-mouth groove 64, the limit groove 65, the groove 66, the waste powder transfer pipe 7, the reaction tank 8, the temperature control device 81, the vacuum suction pump 82, the air suction seat 821, the filter plate 8211, the air inlet pipe 83, the air outlet pipe 84, the slag recovery port 85, and the baffle 851 are all common standard parts or parts known to those skilled in the art. The structure and principle of the parts are known to those skilled in the art through the technical manual or through conventional experimental methods. The problem solved by the present invention is that most of the industrial phosphogypsum waste is stored and treated, and there is no good way to utilize it. , occupying a large amount of land, causing environmental pollution, the difficulty of manual intervention and the labor cost are high, the economic benefit of treatment is low, and it is difficult to efficiently recycle and reuse resources. The present invention realizes efficient crushing of industrial phosphogypsum waste by combining the above-mentioned components with each other, and forms a crushing mechanism by combining the cover 2 and the crushing box 3. Multiple groups of crushing toothed discs 532 and the tip structure 32 form a multi-stage crushing structure, which effectively improves the crushing efficiency of the waste. The grinding structure built into the grinding and mixing cylinder 6 realizes the full refinement of the waste in the grinding process, improves the treatment quality of the waste, helps to evenly mix the waste, provides more uniform reactants for subsequent chemical reactions, and improves the efficiency and product quality of the chemical reaction. Through the reaction tank 8 connected to the waste powder transfer pipe 7 at the right end of the bottom of the grinding and mixing cylinder 6, the grinding powder is automatically controlled to be transferred into the reaction tank 8 for reaction, which reduces manual intervention, reduces the difficulty of operation and labor cost, improves the safety and continuity of the operation, and significantly improves the economic benefit of industrial phosphogypsum waste treatment and efficient resource recovery and reuse.

[0076] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0077] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An industrial phosphogypsum waste treatment device, comprising a feed hopper (1), a cover (2), a crushing box (3), a bottom plate (4), a crushing mechanism, a grinding and mixing cylinder (6), a waste powder transfer pipe (7) and a reaction tank (8), characterized in that: A feed frame (11) is installed at the bottom of the feed hopper (1), the cover (2) and the crushing box (3) are symmetrically structured and installed opposite to each other, and the feed frame (11) is fixedly connected to the upper rear part of the cover (2). The pulverizing mechanism is connected to the interior between the cover (2) and the pulverizing box (3); The bottom plate (4) is installed at the bottom of the crushing box (3), a bracket (41) is fixedly distributed at the bottom corner of the bottom plate (4), and the bracket (41) is an outwardly inclined structure. The bottom of the crushing box (3) is connected with a material discharge chute (31); The grinding and mixing cylinder (6) is fixedly connected to the lower end of the feed chute (31), and connecting plates (42) are fixedly connected between the lower ends of both sides of the grinding and mixing cylinder (6) and the bracket (41); The waste powder transfer pipe (7) is connected to the right end of the bottom of the grinding and mixing cylinder (6), and the reaction tank (8) is connected to the right end of the waste powder transfer pipe (7).

2. The industrial phosphogypsum waste treatment device according to claim 1, characterized in that: The pulverizing mechanism comprises a shaft (53), a shaft seat (531), a pulverizing toothed disc (532) and a tip structure (32); the shaft (53) passes through the interior of the shaft seat (531) and is rotatably connected thereto; the shaft seat (531) is fixedly disposed near the front at both ends between the cover (2) and the pulverizing box (3); the pulverizing toothed disc (532) is fixedly disposed on the exterior of the shaft (53); and the tip structure (32) is fixedly disposed near the rear of the inner side wall of the pulverizing box (3).

3. An industrial phosphogypsum waste treatment device according to claim 2, characterized in that: A fixed shaft disc (52) is extended and fixedly provided at the left end of the shaft rod (53); the rear end of the fixed shaft disc (52) is connected to a driving shaft disc (51) via a transmission belt; the right end of the driving shaft disc (51) is connected to a driving motor (5); a mounting plate (54) is fixedly provided at the inner end of the driving motor (5); and the mounting plate (54) is mounted on the outer end of the bracket (41).

4. The industrial phosphogypsum waste treatment device according to claim 1, characterized in that: The right bottom of the grinding and mixing cylinder (6) is provided with a discharge port (61), and the discharge port (61) is connected to the left end of the waste powder transfer pipe (7), and a solenoid valve is provided inside the waste powder transfer pipe (7).

5. The industrial phosphogypsum waste treatment device according to claim 4, characterized in that: A grinding column (62) is provided in the middle of the grinding and mixing cylinder (6), a protruding structure (621) in a conical structure is fixedly provided on the top of the grinding column (62), a grinding seat (620) is fixedly provided on the bottom of the grinding column (62), a connecting rod (622) is fixedly provided near the upper end of the outer wall of the grinding column (62), a limiting ring plate (623) is fixedly provided on the outer end of the connecting rod (622), and a gear ring (6231) is fixedly provided on the outer end of the limiting ring plate (623); The inner side wall of the grinding and mixing cylinder (6) is provided with a limiting groove (65), and the limiting ring plate (623) and the gear ring (6231) are connected to the inside of the limiting groove (65) in a limiting sliding manner in an annular track.

6. The industrial phosphogypsum waste treatment device according to claim 5, characterized in that: The inner bottom of the grinding and mixing cylinder (6) is provided with a groove (66), and the diameter of the groove (66) is smaller than the diameter of the grinding column (62).

7. The industrial phosphogypsum waste treatment device according to claim 6, characterized in that: A through slot (64) is provided at the front end of the limiting slot (65), and a driving toothed disc (632) is provided at the outer end of the through slot (64). The driving toothed disc (632) is meshingly connected to the outer end of the gear ring (6231), and a motor shaft (631) is fixedly provided inside the driving toothed disc (632). The bottom of the motor shaft (631) is connected to the motor (63), and the top of the motor shaft (631) is connected to the shaft plate (633), and the shaft plate (633) and the motor (63) are both fixedly provided on the outer wall of the grinding and mixing cylinder (6).

8. The industrial phosphogypsum waste treatment device according to claim 1, characterized in that: The top of the reaction tank (8) is provided with an air suction seat (821), the bottom of the air suction seat (821) is installed with a filter plate (8211), the upper end of the air suction seat (821) is provided with a vacuum suction pump (82), and the upper side of the reaction tank (8) is connected with an air inlet pipe (83) and an air outlet pipe (84); A temperature control device (81) is installed at the front end of the reaction tank (8), and the temperature control device (81) is electrically connected to an electric heating pipe, which is filled and distributed in the inner interlayer of the reaction tank (8).

9. The industrial phosphogypsum waste treatment device according to claim 8, characterized in that: A slag recovery port (85) is provided at the lower right end of the reaction tank (8), and a baffle (851) is installed at the outer end of the slag recovery port (85).

10. A method for treating industrial phosphogypsum waste, using an industrial phosphogypsum waste treatment device as claimed in any one of claims 1 to 9, characterized in that: The method steps include the following: S1, industrial phosphogypsum waste is fed into a feed hopper (1), passes through a feed frame (11), and passes through a cover (2) to enter a crushing box (3); S2, starting the driving motor (5) to automatically control the driving shaft disc (51) to rotate, and driving the fixed shaft disc (52) and the shaft rod (53) to rotate through multiple sets of transmission belts, so that multiple sets of crushing toothed discs (532) rotate at high speed to crush fertilizers, and at the same time, effectively crush industrial phosphogypsum waste through multiple sets of tip structures (32); S3, after the crushing is completed, the particles enter the grinding and mixing cylinder (6) through the feeding chute (31) for grinding; S4, starting the motor (63) to automatically control the motor shaft (631) and the driving gear disc (632) to rotate, driving the gear disc (632) to pass through the through-mouth groove (64) to engage the gear ring (6231) to rotate, driving the limiting ring plate (623) to slide stably at the limiting groove (65), driving the grinding column (62) to rotate through multiple connecting rods (622), and effectively grinding the waste at the groove (66) through the grinding seat (620) at the bottom thereof; S5, opening the electromagnetic valve at the waste powder transfer pipe (7), starting the vacuum suction pump (82) to suck air through the suction seat (821), so that the waste powder enters the reaction tank (8) through the discharge port (61) and the waste powder transfer pipe (7), and is filtered and blocked by the filter screen (8211); S6. Gas is introduced through the air inlet pipe (83) for reaction. At the same time, the temperature of the reaction tank (8) is controlled by the temperature control device (81) to raise the temperature to 450-600 degrees Celsius. SO2 and solid residue can be produced. SO2 is recovered through the air outlet pipe (84). The baffle (851) is opened to discharge the solid residue from the slag recovery port (85) for recovery.

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