CN-117415138-B - Waste residue collecting device and method for phosphogypsum processing

CN117415138BCN 117415138 BCN117415138 BCN 117415138BCN-117415138-B

Abstract

The invention provides a waste residue collecting device and method for phosphogypsum processing, which solve the problem of poor crushing and drying effects of the existing collecting device and comprise an outer barrel, wherein a feeding pipe is arranged at the top of the outer side surface of the outer barrel, a lifting barrel with an opening at the top is coaxially and fixedly arranged in the outer barrel, a lifting rod positioned in the lifting barrel is rotatably arranged in the middle of the outer barrel, a lifting auger positioned in the lifting barrel is fixedly arranged on the outer side of the lifting rod, a material scattering ring is coaxially and rotatably arranged on the outer side of the top end of the lifting barrel, a material scattering cone disc with the outer edge inclined downwards is coaxially and fixedly arranged on the outer side surface of the material scattering ring, a plurality of drying arc plates which are positioned below the material scattering cone disc and are circumferentially distributed are fixedly arranged on the inner side surface of the outer side surface of each drying arc plate, and a drying air knife is fixedly arranged at the position between every two drying arc plates on the inner side surface of the outer barrel. According to the invention, the waste residues can be crushed and dried thoroughly for a plurality of times through the lifting cylinder and the lifting auger.

Inventors

RONG QIYING
PENG XIANGYANG
JIAO GUANGYING
CHEN YONG
LUO HONGXING
ZHOU YINGXIN
BAI SONGPING
LI KUNHUA
Wang Jianglai
CAI ZHIQIANG
LUO CHUNPING

Assignees

楚雄佑琳生科技有限公司

Dates

Publication Date: 20260505
Application Date: 20231205

Claims (8)

1. The utility model provides a waste residue collection device for phosphogypsum processing, includes urceolus (1), a serial communication port, inlet pipe (2) are installed at the top of urceolus (1) lateral surface, inlet pipe (2) inside rotation is installed and is fed auger (3), the inside coaxial fixed mounting of urceolus (1) has open-top's lift cylinder (4), run through between the bottom medial surface of lift cylinder (4) has promotion feed opening (5), the middle part of urceolus (1) rotates and installs lift rod (6) that are located inside lift cylinder (4), the outside fixed mounting of lift rod (6) is located lift auger (7) inside lift cylinder (4), the top outside coaxial rotation of lift cylinder (4) is installed and is spilt material ring (8), the coaxial fixed mounting has outer edge downwardly sloping spill material cone disc (9) on the lateral surface of spill material ring (8), fixedly mounted with a plurality of drying boards (10) that are located and circumference evenly distributed below spill material cone disc (9) on the medial surface of urceolus (1), every drying board (10) are located on the lateral surface of urceolus (1) and are located the drying board (10) and are located the arc and are all fixed on the lateral surface of two arc and are located on the drying blade (1) and are all located the arc and are fixed to each drying blade (10) and are located on the lateral surface; The inner part of the outer cylinder (1) is provided with a crushing device (21) positioned below the drying arc plates (10), and the bottom of the outer cylinder (1) is connected with a rolling device (22); The crushing device (21) comprises crushing driving rods (25), crushing base plates (26), crushing rollers (27) and crushing cutters (28), wherein the bottom of a material scattering ring (8) is fixedly provided with a plurality of crushing driving rods (25) attached to the outer wall of a lifting cylinder (4), the bottom end of each crushing driving rod (25) is fixedly provided with a crushing base plate (26) positioned below a plurality of drying arc plates (10), the bottom of each crushing base plate (26) is rotatably provided with two crushing rollers (27), the outer side surface of each crushing roller (27) is provided with a crushing cutter (28), and the top of each crushing base plate (26) is provided with a crushing driving assembly; crushing drive assembly, including smashing band pulley (29), smashing belt (30), smashing ring gear (31), smashing gear (32), smashing drive band pulley (33), smashing drive belt (34), every smash the top of roller (27) and all walk fixed mounting with smashing band pulley (29) that are located crushing base plate (26) top, every smash and install smashing belt (30) between two smashing band pulleys (29) on base plate (26), coaxial fixed mounting has smashing ring gear (31) that are located drying arc board (10) below on the inner wall of urceolus (1), smashing one end top rotation that is close to urceolus (1) inner wall of base plate (26) install with smashing ring gear (32) meshing, smashing drive band pulley (33) are installed in the coaxial rotation in top of smashing ring gear (31), smash drive band pulley (33) and one of them smash and install smashing drive belt (34) between band pulley (29), every smash top of base plate (26) and all install protection casing (35).
2. The waste residue collecting device for phosphogypsum processing according to claim 1, wherein a heating cylinder (12) is coaxially and fixedly arranged on the outer side surface of the outer cylinder (1), a heating pipe (13) is arranged in the heating cylinder (12), an air inlet pipe (14) is penetrated and fixedly arranged on the outer side of the heating cylinder (12), and an air inlet (15) penetrating the inner side surface of the outer cylinder (1) is arranged between each drying air knife (11) and the inner side of the heating cylinder (12).
3. Waste residue collecting device for phosphogypsum processing according to claim 2, characterized in that the top of the outer cylinder (1) is provided with a plurality of air outlets (16), and a filter element (17) is arranged in each air outlet (16).
4. A waste residue collecting device for phosphogypsum processing according to claim 3, characterized in that a plurality of filter core brush bars (18) are fixedly arranged on the outer side of the lifting rod (6), a filter core brush (19) positioned below the filter core (17) is fixedly arranged at one end, far away from the lifting rod (6), of each filter core brush bar (18), and a driving motor (20) connected with the top end of the lifting rod (6) is fixedly arranged at the top of the outer cylinder (1).
5. The waste residue collecting device for phosphogypsum processing according to claim 1, wherein a plurality of material scattering driving rods (23) are fixedly arranged on the outer side of the lifting rod (6), the other ends of the material scattering driving rods (23) are fixedly connected with the top of the material scattering ring (8), and a plurality of material scattering poking plates (24) are fixedly arranged on the top surface of the material scattering conical disc (9) in the circumferential direction.
6. The waste residue collecting device for phosphogypsum processing according to claim 1, wherein a scraping ring (36) is coaxially rotatably installed at the bottom end of the inside of the outer cylinder (1), a scraping bar connecting rod (37) is fixedly installed at the bottom of one end of each crushing substrate (26) close to the inner wall of the outer cylinder (1), the other ends of the scraping bar connecting rods (37) are fixedly connected with the top of the scraping ring (36), and a plurality of scraping bars (38) which are arc-shaped and are attached to the inner wall of the bottom of the outer cylinder (1) are fixedly installed at the bottom of the scraping ring (36).
7. The waste residue collecting device for phosphogypsum processing according to claim 1, wherein the rolling device (22) comprises a rolling outer cylinder (39), a rolling cloth hopper (40), a rolling cloth auger (41) and a rolling lower trough (42), a rolling roller (43) and a discharging collecting auger (44), wherein the rolling outer cylinder (39) is connected to the bottom of the outer cylinder (1), an electromagnetic valve (101) is installed between the outer cylinder (1) and the rolling outer cylinder (39), the rolling cloth hopper (40) is fixedly installed between the left inner wall and the right inner wall of the rolling outer cylinder (39), the rolling cloth auger (41) positioned inside the rolling cloth hopper (40) is rotatably installed between the left inner wall and the right inner wall of the rolling outer cylinder (39), the rolling lower trough (42) penetrates through the bottom of the rolling cloth hopper (40), two rolling rollers (43) which are symmetrical in front-back position and are rotatably installed between the left inner wall and the right inner wall of the rolling cloth hopper (40) and are in an abutting mode, the discharging collecting auger (45) which is in an abutting mode that the discharging collecting auger (45) of the lowest rolling outer cylinder (39) is rotatably installed between the left inner wall and right inner wall of the rolling outer cylinder (39) is rotatably installed; A reciprocating screw rod (46) positioned below the two rolling rollers (43) is rotatably arranged between the left inner wall and the right inner wall of the rolling outer cylinder (39), and a scraping block (47) attached to the outer side surfaces of the two rolling rollers (43) is connected to the reciprocating screw rod (46) in a threaded manner; The left ends of the two rolling rollers (43) are coaxially and fixedly provided with rolling gears (48) positioned on the outer side of the rolling outer cylinder (39), the two rolling gears (48) are meshed with each other, one of the rolling gears (48), the rolling cloth auger (41), the discharging collecting auger (44) and the left ends of the reciprocating screw rod (46) are coaxially and fixedly provided with driving chain wheels (49), and a plurality of driving chain wheels (49) are connected with a driving chain (50).
8. The method for using the waste residue collecting device for phosphogypsum processing according to claim 7, which is characterized by comprising the following specific steps: a. The phosphogypsum waste residue is discharged into the bottom of the outer cylinder (1) by the feeding pipe, the caked waste residue can be crushed by the crushing device (21) which moves circumferentially, the lifting auger (7) lifts the waste residue upwards from the bottom of the outer cylinder (1) to the top of the outer cylinder (1), and then the waste residue is scattered by the rotating scattering cone disc (9) to fall down to the inner wall of the outer cylinder (1) and fall into a plurality of drying arc plates (10); b. the waste residues in the drying arc plates (10) can be dried by blowing hot air through the drying air knives (11), the time for blowing the waste residues by the hot air can be prolonged by moving the waste residues along the drying arc plates (10), the waste residues can be crushed again by the spurs (102), and the dried waste residues fall to the bottom of the outer cylinder (1) and can be lifted and dried circularly for multiple times; c. The dried and crushed waste residues can be discharged into a grinding cloth hopper (40) in the grinding outer cylinder (39) through an electromagnetic valve (101), and fall between two grinding rollers (43) through a grinding lower material groove (42) to be ground into powder, and the grinding cloth auger (41) can uniformly distribute the waste residues, so that the waste residues are prevented from being accumulated below the electromagnetic valve (101); d. The waste residues crushed into powder by the crushing rollers (43) can be discharged from the discharge collecting pipe (45) through the discharge collecting auger (44) for collection, and the scraping blocks (47) which reciprocate below the two crushing rollers (43) can scrape the waste residue powder adhered to the surfaces of the crushing rollers (43).

Description

Waste residue collecting device and method for phosphogypsum processing Technical Field The invention relates to the technical field of phosphogypsum waste residue collection, in particular to a waste residue collection device and method for phosphogypsum processing. Background Phosphogypsum refers to solid waste residue generated when phosphorite is treated by sulfuric acid in phosphoric acid production, the main component of the phosphogypsum is calcium sulfate, the phosphogypsum is generally in powder form, the appearance is generally gray, yellow, light green and the like, the phosphogypsum also contains organic phosphorus and sulfur fluorine compounds, the phosphogypsum is discharged about 2000 ten thousand tons per year in China at present, the accumulated discharge capacity is nearly hundred million tons, the phosphogypsum is the largest discharge capacity in gypsum waste residue, the discharged phosphogypsum residue occupies a large amount of land to form a residue mountain, and the environment is seriously polluted, so that the phosphogypsum is very necessary to be reused at present, and the phosphogypsum is mainly used in aspects of building material products, soil improvers, cement retarders, chemical raw materials and the like. The existing waste residue collection device for phosphogypsum processing is used in the process of using, the phosphogypsum is crushed by the crushing roller and then is collected after being dried, but the surface of the crushing roller is adhered with a large amount of phosphogypsum due to the fact that the phosphogypsum itself contains moisture in the crushing process, so that the crushing effect of the phosphogypsum is affected, the collection amount of phosphogypsum waste residues is affected, and therefore the crushing roller needs to be cleaned at regular time manually, and the working strength of workers is increased. Secondly, in the process of drying crushed phosphogypsum waste residues, the guide plates of the phosphogypsum waste residues are heated through the heating plates, and phosphogypsum can be dried when passing through the guide plates, but because phosphogypsum only passes through the upper parts of the guide plates rapidly, phosphogypsum cannot be thoroughly dried in a short time, phosphogypsum is in a stacking state on the guide plates, the bottoms of the phosphogypsum waste residues contacted with the guide plates can be dried, and the inside and the top of phosphogypsum cannot be dried, so that the drying effect of phosphogypsum waste residues is poor, and the drying efficiency of phosphogypsum waste residues is affected. Accordingly, the present invention provides a waste residue collecting apparatus and method for phosphogypsum processing to solve the above-mentioned problems. Disclosure of Invention Aiming at the situation, the invention provides a waste residue collecting device and a waste residue collecting method for phosphogypsum processing, which aim to solve the problems that in the prior art, a large amount of phosphogypsum adheres to the surface of a crushing roller in the crushing process to influence the crushing effect of phosphogypsum, the bottom of phosphogypsum waste residue contacted with a guide plate can be dried, the inside and the top of phosphogypsum cannot be dried, and the drying effect is poor. In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: The utility model provides a waste residue collection device for phosphogypsum processing, includes the urceolus, the inlet pipe is installed at the top of urceolus lateral surface, the inside rotation of inlet pipe installs the feeding auger, the inside coaxial fixed mounting of urceolus has the hoist cylinder of open-top, it has the promotion feed port to run through between the bottom medial surface of hoist cylinder, the middle part of urceolus rotates installs the lift bar that is located inside the hoist cylinder, the outside fixed mounting of lift bar has the promotion auger that is located inside the hoist cylinder, the top outside coaxial rotation of hoist cylinder installs and spills the material ring, the coaxial fixed mounting has the material awl dish that spills that the outward flange downward inclines on the lateral surface of spilling the material ring, fixed mounting has a plurality of drying arc boards that are located below the material awl dish and circumference evenly distributed on the medial surface of urceolus, every all be provided with a plurality of spur on the lateral surface of drying arc board, the position that is located between every two drying arc boards on the medial surface of urceolus is all fixed mounting dry air knife; The inner part of the outer cylinder is provided with a crushing device positioned below the drying arc plates, and the bottom of the outer cylinder is connected with a rolling device. Preferably, the heating cylinder is coaxially and fixedly arranged on the outer side surface