Phosphogypsum conveying type feeding equipment

Abstract

The utility model discloses ardealite conveying type feeding equipment which comprises a frame body, an overturning plate, a material conveying barrel and a screening mechanism, the screening mechanism comprises a fixing frame arranged above the overturning plate and a screen frame arranged above the fixing frame, the screening mechanism further comprises a shielding cover fixedly installed on the top of the screen frame, the fixing frame is connected with the overturning plate through supporting legs, and the shielding cover is fixedly installed on the top of the screen frame. The screening mechanism further comprises a dustproof assembly, the dustproof assembly comprises an annular pipe arranged above the shielding cover and a water tank fixedly installed on the outer surface of the fixing frame, and the annular pipe is connected with the shielding cover through a fixing rod. Due to the fact that the dustproof assembly is arranged, dust raised in the material screening period can be collected in a centralized mode in a surrounding adsorption mode, pollution to the environment is avoided, in addition, the collected dust can be discharged into the water tank in a centralized mode, water in the water tank is used for conducting secondary adsorption on the dust, and recovery and treatment are facilitated.

Description

Technical Field

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

[0002] Phosphogypsum is a solid waste generated in the wet-process phosphoric acid process. Its main component is calcium sulfate dihydrate. In addition, there are incompletely decomposed phosphate rock, residual phosphoric acid, fluorides, acid-insoluble substances, organic matter, etc. Phosphogypsum has high utilization value in the fields of cement industry, building materials, fertilizer industry, agriculture, etc. When producing phosphogypsum, a feeding device is usually used for feeding.

[0003] For example, the Chinese patent with the authorization announcement number CN216470374U and the authorization announcement date of May 10, 2022 discloses a phosphogypsum automatic feeding device. Above the bottom plate, there is a feeding cylinder. On both sides of the feeding cylinder at both ends, four adjusting rods arranged in a rectangle are symmetrically and rotatably connected. At the lower ends of the four adjusting rods at one side position, adjusting sliding shafts are rotatably connected. Between the four adjusting sliding shafts and the bottom plate, there is an angle and height adjusting mechanism. At one end of the feeding cylinder, a feeding motor is installed. At the driving end of the feeding motor, there is a feeding screw located inside the feeding cylinder. This device has the following deficiencies: no dust-proof mechanism is provided, so that phosphogypsum raw materials are prone to raise dust during transportation and screening, causing environmental pollution. Content of the Utility Model

[0004] The utility model is to solve the above problems existing in the existing phosphogypsum automatic feeding device, and provides a phosphogypsum conveying and feeding device that can centrally collect dust and avoid environmental pollution.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions: A phosphogypsum conveying and feeding device of the utility model includes a frame body, a turning plate, a feeding cylinder and a screening mechanism. The turning plate is rotatably installed at the top of the inner surface of the frame body through a support rod. The screening mechanism includes a fixed frame arranged above the turning plate and a screen wire frame arranged above the fixed frame. It also includes a shielding cover fixedly installed on the top of the screen wire frame. The fixed frame is connected to the turning plate through a support leg. The screen wire frame is elastically connected to the fixed frame through a vibration spring. The screening mechanism also includes a dust-proof component for adsorbing and collecting the dust raised during screening. The dust-proof component includes an annular pipe arranged above the shielding cover and a water tank fixedly installed on the outer surface of the fixed frame. The annular pipe is connected to the shielding cover through a fixing rod. Inside the water tank, there is a wind cylinder. Wherein, on both sides of the upper surface of the turning plate, two groups of symmetrically distributed limiting plates are respectively fixed, which can position and center the feeding cylinder. At the position of the screen wire frame on the outer surface top of the feeding cylinder, a feeding port is penetrated and opened.

[0006] Preferably, a plurality of first suction nozzles evenly distributed at equal intervals in a ring shape are installed at the top of the outer surface of the annular pipe, and a plurality of second suction nozzles evenly distributed at equal intervals in a ring shape are installed at the bottom of the outer surface of the annular pipe. The air duct and the water tank are connected by a fixing plate. The top of the air duct is designed in a conical structure. A diversion pipe is arranged at the top of the air duct. Two ends of the diversion pipe are respectively connected to the annular pipe and the air duct. A blower is installed inside the air duct. Among them, the diversion pipe is a rubber pipe, and the lower end surface of the air duct is higher than the water level.

[0007] Preferably, cover openings are formed on both sides of the outer surface of the shielding cover. The screening mechanism further includes a pushing component for recovering the residual phosphogypsum on the screen grid. The pushing component includes an L-shaped support plate fixedly installed on the outer surface of the shielding cover, and a collecting box fixedly installed on the outer surface of the fixing frame and away from one side of the L-shaped support plate. It also includes a push plate slidably arranged inside the cover opening at the position of the L-shaped support plate. Two groups of guide rods symmetrically distributed are respectively fixed on both sides of the outer surface of the push plate. An electric telescopic rod is installed inside the L-shaped support plate and between the two groups of guide rods. The output end of the electric telescopic rod is connected and assembled with the outer end of the push plate. Among them, the lower end surface of the push plate is flush with the upper end surface of the screen grid.

[0008] Preferably, the screening mechanism further includes a switch plate arranged inside the cover opening at a position away from the L-shaped support plate. The switch plate corresponds to the position of the push plate, and the switch plate is rotatably arranged with the shielding cover through a hinge. Among them, the height of the push plate is slightly less than the height of the switch plate, and an inclined surface is formed at the bottom of the switch plate.

[0009] Preferably, brake universal wheels are installed at the bottom of the frame body. A spiral feeding rod is rotatably installed on the inner surface of the feeding cylinder. The outer end of the spiral feeding rod is connected and assembled with the output end of an external driving motor through a coupling. Two groups of side plates symmetrically distributed are respectively fixed on both sides of the outer surface of the screen grid. A vibration motor is fixedly installed on the side plates. A guiding hopper is fixedly installed at the bottom of the screen grid. The bottom of the guiding hopper is fixedly provided with a discharge chimney. The bottom end of the discharge chimney penetrates through the outer surface of the feeding cylinder and extends to the inner surface of the feeding cylinder. A rubber filling strip is fixedly provided at the bottom of the outer surface of the discharge chimney. Among them, by using the provided brake universal wheels, it is convenient for the staff to carry and fix the whole equipment. By using the provided guiding hopper, the screened phosphogypsum can be centrally diverted. The setting of the rubber filling strip can, on the one hand, prevent external impurities from entering the feeding cylinder, and on the other hand, buffer and protect the discharge chimney.

[0010] Preferably, the frame body includes an auxiliary component for stabilizing and adjusting the angle of the flipping plate. The auxiliary component includes a second U-shaped member fixedly installed at the bottom end of the inner surface of the frame body, and a first U-shaped member fixedly installed on the lower surface of the flipping plate. It further includes a hydraulic cylinder disposed between the second U-shaped member and the first U-shaped member. The first U-shaped member and the second U-shaped member are in the same plane. The fixed end of the hydraulic cylinder is rotatably arranged with the second U-shaped member through a second positioning shaft, and the output end of the hydraulic cylinder is rotatably arranged with the first U-shaped member through a first positioning shaft. Among them, by using the provided auxiliary component, the overall stability of the flipping plate during angle adjustment can be improved.

[0011] Therefore, the present utility model has the following beneficial effects:

[0012] (1) A dust-proof component is provided. By using the surrounding adsorption method, it can centrally collect the dust raised during screening, avoiding environmental pollution. In addition, the collected dust will be centrally discharged into the water tank, and the water in the water tank is used to secondarily adsorb the dust, which is convenient for recycling and treatment;

[0013] (2) A material pushing component is provided, which can automatically recycle the residual phosphogypsum on the screening grid frame, reducing the probability of blockage of the screening grid frame. Description of the Drawings

[0014] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0015] Figure 2 It is a side view of the overall structure of the present utility model.

[0016] Figure 3 It is a partial structural cross-sectional view of the present utility model.

[0017] Figure 4 It is a planar structural cross-sectional view of the present utility model.

[0018] In the figure: 1. Frame body; 101. Brake universal wheel; 102. Support rod; 103. First U-shaped part; 104. Second U-shaped part; 105. Hydraulic cylinder; 106. First positioning shaft; 107. Second positioning shaft; 2. Flipping plate; 3. Feeding cylinder; 301. Screw feeding rod; 302. Driving motor; 4. Dust-proof assembly; 401. Annular pipe; 402. Water tank; 403. First suction nozzle; 404. Second suction nozzle; 405. Fixed rod; 406. Diversion pipe; 407. Air duct; 408. Fixed plate; 409. Fan; 5. Pushing material assembly; 501. L-shaped support plate; 502. Material receiving box; 503. Guide rod; 504. Electric telescopic rod; 505. Pushing plate; 506. Switch plate; 6. Screening mechanism; 601. Screen grid; 602. Shielding cover; 603. Vibration spring; 604. Vibration motor; 605. Side plate; 606. Fixed frame; 607. Support leg; 608. Guide hopper; 609. Discharge chimney; 610. Rubber filling strip. Specific embodiments

[0019] The following further describes the present utility model in conjunction with the accompanying drawings and specific embodiments.

[0020] As Figures 1 - 4 shown, a phosphogypsum conveying and feeding device includes a frame body 1, a flipping plate 2, a feeding cylinder 3 and a screening mechanism 6. The flipping plate 2 is rotatably installed at the top of the inner surface of the frame body 1 through a support rod 102. The feeding cylinder 3 is fixedly installed at the top of the flipping plate 2. A brake universal wheel 101 is installed at the bottom of the frame body 1. The frame body 1 includes an auxiliary assembly for stabilizing and adjusting the angle of the flipping plate 2, and a total of four groups of auxiliary assemblies are provided. A screw feeding rod 301 is rotatably installed on the inner surface of the feeding cylinder 3. The outer end of the screw feeding rod 301 is connected and assembled with the output end of an external driving motor 302 through a coupling. The driving motor 302 is installed on the screw feeding rod 301. The screening mechanism 6 includes a fixed frame 606 arranged above the flipping plate 2 and a screen grid 601 arranged above the fixed frame 606. It also includes a shielding cover 602 fixedly installed on the top of the screen grid 601 for intercepting phosphogypsum during screening to prevent phosphogypsum from falling. The fixed frame 606 is connected to the flipping plate 2 through a support leg 607. The screen grid 601 is elastically connected to the fixed frame 606 through a vibration spring 603. Two groups of symmetrically distributed side plates 605 are respectively fixed on both sides of the outer surface of the screen grid 601. A vibration motor 604 is fixedly installed on the side plates 605. A guide hopper 608 is fixedly installed at the bottom of the screen grid 601. The bottom of the guide hopper 608 is fixedly provided with a discharge chimney 609. The bottom end of the discharge chimney 609 penetrates the outer surface of the feeding cylinder 3 and extends to the inner surface of the feeding cylinder 3 for discharging the screened phosphogypsum into the feeding cylinder 3 and using the screw feeding rod 301 for conveying. A rubber filling strip 610 is fixedly provided at the bottom of the outer surface of the discharge chimney 609.

[0021] Specifically, the auxiliary component includes a second U-shaped member 104 fixedly installed at the bottom end of the inner surface of the frame body 1, and a first U-shaped member 103 fixedly installed on the lower surface of the flip plate 2. It also includes a hydraulic cylinder 105 disposed between the second U-shaped member 104 and the first U-shaped member 103. The first U-shaped member 103 and the second U-shaped member 104 are located in the same plane. The fixed end of the hydraulic cylinder 105 is rotatably arranged with the second U-shaped member 104 through a second positioning shaft 107, and the output end of the hydraulic cylinder 105 is rotatably arranged with the first U-shaped member 103 through a first positioning shaft 106.

[0022] Furthermore, the screening mechanism 6 further includes a dust-proof component 4 for adsorbing and collecting the dust raised during the screening of materials. Specifically, the dust-proof component 4 includes an annular pipe 401 disposed above the shielding cover 602, and a water tank 402 fixedly installed on the outer surface of the fixed frame 606. The water tank 402 is filled with water. The annular pipe 401 is connected to the shielding cover 602 through a fixing rod 405. A plurality of first suction nozzles 403 are installed at the top of the outer surface of the annular pipe 401 and are distributed at equal intervals in a ring shape. A plurality of second suction nozzles 404 are installed at the bottom of the outer surface of the annular pipe 401 and are distributed at equal intervals in a ring shape. The first suction nozzles 403 and the second suction nozzles 404 are used to suck the dust into the annular pipe 401. A wind tube 407 is arranged inside the water tank 402. The wind tube 407 is connected to the water tank 402 through a fixing plate 408. The top of the wind tube 407 is designed in a conical structure. A diversion pipe 406 is arranged at the top of the wind tube 407. The two ends of the diversion pipe 406 are respectively connected to the annular pipe 401 and the wind tube 407, and are used to introduce the dust in the annular pipe 401 into the wind tube 407. A fan 409 is installed inside the wind tube 407, which is used to discharge the dust so that it dissolves in water.

[0023] Further, cover openings are provided on both sides of the outer surface of the shielding cover 602. The screening mechanism 6 further includes a pushing component 5 for recovering the residual phosphogypsum on the screen wire frame 601. Specifically, the pushing component 5 includes an L-shaped support plate 501 fixedly installed on the outer surface of the shielding cover 602, and a material collection box 502 fixedly installed on the outer surface of the fixing frame 606 and away from one side of the L-shaped support plate 501. It further includes a push plate 505 slidably disposed inside the cover opening at the position of the L-shaped support plate 501. Two groups of symmetrically distributed guide rods 503 are respectively fixed on both sides of the outer surface of the push plate 505. The outer ends of the guide rods 503 penetrate through the L-shaped support plate 501 and extend to the outside of the L-shaped support plate 501. The guide rods 503 are slidably disposed with the L-shaped support plate 501. An electric telescopic rod 504 is installed inside the L-shaped support plate 501 and between the two groups of guide rods 503. The output end of the electric telescopic rod 504 is connected and assembled with the outer end of the push plate 505. The screening mechanism 6 further includes a switch plate 506 disposed inside the cover opening at a position away from the L-shaped support plate 501. The switch plate 506 corresponds to the position of the push plate 505. The switch plate 506 is rotatably disposed with the shielding cover 602 through a hinge for dredging and blocking the cover opening.

[0024] According to the above, since the dust-proof component 4 is provided in the present utility model, the dust raised during screening can be centrally collected by means of surrounding adsorption, avoiding environmental pollution. In addition, the collected dust will be centrally discharged into the water tank 402, and the water in the water tank 402 is used to secondarily adsorb the dust, which is convenient for recycling and treatment; since the pushing component 5 is provided in the present utility model, the residual phosphogypsum on the screen wire frame 601 can be automatically recovered, reducing the probability of blockage of the screen wire frame 601.

[0025] The above-described embodiments are only a preferred solution of the present utility model, and do not impose any form of limitation on the present utility model. There are other variations and modifications without exceeding the technical solutions recorded in the claims.

Claims

1. A phosphogypsum conveying feeding device, comprising a frame (1), a turnover plate (2), a conveying cylinder (3) and a screening mechanism (6), characterized in that: The flip plate (2) is rotatably mounted on the top of the inner surface of the frame (1) via a support rod (102); the screening mechanism (6) comprises a fixed frame (606) arranged above the flip plate (2); and a screen frame (601) arranged above the fixed frame (606); and also comprises a shielding cover (602) fixedly mounted on the top of the screen frame (601); the fixed frame (606) is connected to the flip plate (2) via a support leg (607); and the screen frame (601) and the fixed frame (606) are connected via a support leg (607). The vibrating spring (603) is elastically connected, and the screening mechanism (6) further comprises a dustproof component (4) for absorbing and collecting dust raised during screening, the dustproof component (4) comprising an annular tube (401) arranged above the shielding cover (602), and a water tank (402) fixedly mounted on the outer surface of the fixing frame (606), the annular tube (401) and the shielding cover (602) are connected via a fixing rod (405), and a wind tube (407) is arranged inside the water tank (402).

2. The phosphogypsum conveying feeding equipment according to claim 1, characterized in that: A plurality of first suction nozzles (403) distributed in a circular shape and at equal intervals are installed on the top of the outer surface of the annular tube (401), and a plurality of second suction nozzles (404) distributed in a circular shape and at equal intervals are installed on the bottom of the outer surface of the annular tube (401). The wind tube (407) is connected to the water tank (402) via a fixing plate (408). The top of the wind tube (407) is designed in a conical structure. A guide tube (406) is arranged on the top of the wind tube (407). The two ends of the guide tube (406) are respectively connected to the annular tube (401) and the wind tube (407). A fan (409) is installed inside the wind tube (407).

3. The phosphogypsum conveying feeding equipment according to claim 1, characterized in that: The shielding cover (602) is provided with cover openings on both sides of its outer surface. The screening mechanism (6) further comprises a pushing assembly (5) for recovering the phosphogypsum remaining on the screen frame (601). The pushing assembly (5) comprises an L-shaped support plate (501) fixedly mounted on the outer surface of the shielding cover (602), and a material receiving box (502) fixedly mounted on the outer surface of a fixing frame (606) and away from the L-shaped support plate (501). The pushing assembly (505) is slidably arranged inside the cover opening at the position of the L-shaped support plate (501). Two groups of symmetrically distributed guide rods (503) are respectively fixed on both sides of the outer surface of the pushing plate (505). An electric telescopic rod (504) is installed inside the L-shaped support plate (501) and between the two groups of guide rods (503). The output end of the electric telescopic rod (504) is connected and assembled with the outer end of the pushing plate (505).

4. The phosphogypsum conveying feeding equipment according to claim 3, characterized in that: The screening mechanism (6) further comprises a switch plate (506) arranged inside the cover opening at a position away from the L-shaped support plate (501); the switch plate (506) corresponds to the position of the push plate (505); and the switch plate (506) and the shielding cover (602) are rotatably arranged via a hinge.

5. The phosphogypsum conveying feeding equipment according to claim 1, characterized in that: A brake universal wheel (101) is installed at the bottom of the frame (1); a spiral feed rod (301) is rotatably installed on the inner surface of the feed barrel (3); the outer end of the spiral feed rod (301) is connected and assembled with the output end of the external drive motor (302) via a coupling; two groups of symmetrically distributed side plates (605) are respectively fixed on both sides of the outer surface of the screen frame (601); a vibration motor (604) is fixedly installed on the side plates (605); a guide hopper (608) is fixedly installed at the bottom of the screen frame (601); a discharge chimney (609) is fixedly arranged at the bottom of the guide hopper (608); the bottom end of the discharge chimney (609) penetrates the outer surface of the feed barrel (3) and extends to the inner surface of the feed barrel (3); a rubber filling strip (610) is fixedly arranged at the bottom of the outer surface of the discharge chimney (609).

6. The phosphogypsum conveying feeding equipment according to claim 1, characterized in that: The frame (1) includes an auxiliary component for stabilizing and adjusting the angle of the flip plate (2), the auxiliary component including a second U-shaped member (104) fixedly mounted on the bottom end of the inner surface of the frame (1), and a first U-shaped member (103) fixedly mounted on the lower surface of the flip plate (2), and also including a hydraulic cylinder (105) arranged between the second U-shaped member (104) and the first U-shaped member (103), the first U-shaped member (103) and the second U-shaped member (104) are located in the same plane, the fixed end of the hydraulic cylinder (105) is rotatably arranged with the second U-shaped member (104) via a second positioning shaft (107), and the output end of the hydraulic cylinder (105) is rotatably arranged with the first U-shaped member (103) via a first positioning shaft (106).

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