Anti-overflow safe sorting equipment for yellow phosphorus production

Abstract

The invention discloses anti-overflow safe sorting equipment for yellow phosphorus production, and belongs to the technical field of sorting, the anti-overflow safe sorting equipment comprises a sorting box, a plurality of supporting legs are connected to the bottom of the sorting box in a surrounding manner, a plurality of sorting screens are sequentially arrayed in an inner cavity of the sorting box in the height direction, and a negative pressure suction mechanism is mounted at the tops of the sorting screens; the peripheral side of the separating screen is connected with a tension control mechanism, and the tension control mechanism pulls the peripheral side of the separating screen to adjust the tension degree. According to the ore sorting device, the sorting screen can be controlled to move towards the outer side through the tension control mechanism, so that the tension degree of the sorting screen can be controlled, flexible absorption of different falling ores can be achieved through control over the tension degree of the flexible screen, damage to screen holes of the flexible screen caused by impact is avoided, and under the condition that the tension degree is controlled, the sorting efficiency is improved. The hard screening effect is met, reverse overflow of falling phosphorite caused by impact rebound is avoided, and the separation adaptability to phosphorite is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of sorting, and in particular relates to a safety sorting device for yellow phosphorus production which can prevent overflow. Background Art

[0002] The key raw material in the production process of phosphorus chemical enterprises is phosphate ore. In the processing stage of phosphate ore, precise batching operations are required to add auxiliary materials such as coke and silica in a predetermined proportion. After the batching is completed, the mixture will be sent to the smelting furnace for high-temperature treatment. The phosphate ore needs to be sorted before processing to remove the phosphate ore powder and slag.

[0003] The Chinese patent application publication number: CN114904775A discloses a novel phosphate ore screening device, including a sorting box and a conveying mechanism, wherein a bracket is connected to the bottom of the sorting box, the conveying mechanism is installed on the bracket, a through hole and a discharge port are respectively opened on the top and right side of the sorting box, a box door is hinged on the sorting box, a feeding mechanism, a first horizontal slide rail and a cylinder are installed on the top of the sorting box, a slider is slidably connected to the first horizontal slide rail, the piston rod of the cylinder is connected to the slider, a motor is connected to the left side of the slider, the output shaft of the motor is connected to a plurality of first crushing teeth, and a first crushing tooth is installed on the top of the inner cavity of the sorting box. A material blocking cover with several second crushing teeth is installed on the inside, a first screening mechanism and a second screening mechanism are respectively provided in the middle and lower parts of the inner cavity of the sorting box, a vacuum cleaner and a discharge pipe with a valve are installed on the left side of the sorting box, the vacuum cleaner is connected to the dust suction pipe, one end of the dust suction pipe extends to the inner cavity of the sorting box and is connected to the dust suction cover, an atomizing dust removal mechanism and a second material guide plate arranged obliquely are installed on the right side of the sorting box. When the above equipment is screening, the hard screen plate is prone to produce a lot of floating and sinking due to the hard release when it comes into contact with the phosphate ore, and the impact is easy to cause part of the phosphate ore to overflow, and the screening intensity cannot be adjusted according to the quality of the phosphate ore. There is room for improvement. Summary of the invention

[0004] The purpose of the present invention is to propose a safe sorting equipment for yellow phosphorus production that prevents overflow in order to solve the problem that a hard screen plate is easily floated and sunk due to the hardness being released when in contact with phosphate ore, and the impact is easy to cause some phosphate ore to overflow.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A safety sorting device for yellow phosphorus production that prevents overflow, comprising a sorting box, a plurality of supporting legs are connected around the bottom of the sorting box, and a plurality of sorting screens are arranged in sequence in the inner cavity of the sorting box along the height direction, a negative pressure suction mechanism is installed on the top of the sorting screen, and a tension control mechanism is connected to the outer peripheral side of the sorting screen, and the tension control mechanism is used to pull the peripheral side of the sorting screen to adjust the tension; The top of the sorting screen is rotatably connected with a scraping mechanism, and a driving rod is connected between the plurality of scraping mechanisms. The top of the driving rod is transmission-connected with a driving part, and the driving part is installed on the top of the cover connected to the top of the sorting box.

[0006] As a further description of the above technical solution: The scraping mechanism includes a scraping ring, which is connected to the outside of the driving rod, and scraping rods are connected to both sides of the outer periphery of the scraping ring. A plurality of sliding holes are opened on the top of the scraping rod, and a telescopic rod is connected in the sliding hole, and a fixed rod is connected to the other end of the telescopic rod. A spring is sleeved on the outer wall of the telescopic rod, and the two ends of the spring are respectively connected to the sliding hole and the corresponding positions on one side of the fixed rod, and sweeping blocks are connected to both sides of the bottom of the fixed rod through the rod body, and the cross-sectional shape of the sweeping block is rectangular, the bottom of the sweeping block and the bottom of the scraping rod are in the same horizontal position, and the sweeping block is configured to be telescopic along the axial direction of the telescopic rod, and the phosphate ore accumulated on both sides of the scraping rod is pressed by the telescopic axial direction of the sweeping block.

[0007] As a further description of the above technical solution: A connecting rod is connected between the multiple fixed rods, and the end of the connecting rod is located at the top of the scraper ring. An abutment ring is provided on the outer side of the driving rod corresponding to the top of the scraper ring. The peripheral side of the abutment ring is connected to the inner side of the sorting box through a plate. The connecting rod is located between the abutment ring and the scraper ring. A wavy disturbance groove is provided on one side of the scraper ring corresponding to the connecting rod. The connecting rod is driven to rotate in the disturbance groove of the abutment ring by the scraper ring to move the sweeping block.

[0008] As a further description of the above technical solution: The tension control mechanism includes a rotating ring, which is rotatably connected to the sorting box. A plurality of radially movable traction blocks are designed on the outer peripheral side of the rotating ring, and the traction blocks extend to the inner side of the step ring at the bottom of the sorting screen. The tension of the sorting screen is regulated by the radial movement of the traction blocks.

[0009] As a further description of the above technical solution: The bottom of the traction block is connected to a shaft sleeve, the outer side of the shaft sleeve is provided with a track groove, the end of the track groove is connected to a wedge block, and the outer peripheral side of the rotating ring is connected to a position corresponding to the traction block, and the traction block is driven to move by squeezing the wedge block through the extrusion block.

[0010] As a further description of the above technical solution: The inner cavity of the track groove is connected with an electric push rod, and the front end of the electric push rod is connected to one side of the shaft sleeve, and the movement of the electric push rod drives the traction block to move.

[0011] As a further description of the above technical solution: A fixed block is connected to one side of the rotating ring, a connecting rod is hinged on one side of the fixed block, and a hinge block is hinged on the other end of the connecting rod, and a pushing part is connected to one side of the hinge block, and a support rod is connected to one side of the pushing part, and a mounting seat is rotatably connected to the top of the support rod, and the mounting seat is connected to a slide groove opened in the inner cavity of the sorting box.

[0012] As a further description of the above technical solution: A plurality of abutment rollers are arranged on the inner side of the traction block, and the abutment rollers are in contact with the inner side of the step ring of the sorting screen.

[0013] As a further description of the above technical solution: The negative pressure suction mechanism includes a negative pressure ring, and a plurality of dust suction parts are connected to the inner circumference of the negative pressure ring. The dust suction parts include dust suction nozzles. The plurality of dust suction parts are connected through a suction pipe, and the suction pipe extends outside the sorting box and is connected to an external dust suction pump.

[0014] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: 1. In the present invention, the sorting screen can be controlled to move outward by the tension control mechanism, so that the tension of the sorting screen can be controlled, which is beneficial to realize the flexible absorption of different falling ores by controlling the tension of the flexible screen, avoiding damage to the sieve holes of the flexible screen due to impact, and can meet the hard screening effect while controlling the tension, avoiding reverse overflow of the falling phosphate ore due to impact rebound, thereby improving the sorting adaptability of phosphate ore.

[0015] 2. In the present invention, the top connecting rod is driven to rotate by the rotation of the scraping rod, and the end of the connecting rod can rotate to contact the top abutment ring. The spring can use its own elastic force to drive the top connecting rod to fully contact the abutment ring. After the connecting rod is disturbed by the wavy bottom of the abutment ring, the connecting rod can drive the sweeping blocks on both sides to reciprocate in the height direction. The vertical movement of the sweeping blocks on both sides arranged in an array is beneficial to vertically apply energy to the phosphate ore that continues to be scraped and swept, avoiding the accumulation of phosphate ore and getting stuck near the scraping rod, and can push the phosphate ore to the side by applying energy vertically, so as to facilitate the scraping and dispersion of the phosphate ore and improve the sorting and processing efficiency.

[0016] 3. In the present invention, the rotation of the rotating ring can drive the outer side extrusion block to squeeze the wedge block at the corresponding position, and the radially moving wedge block can drive the top traction block to pull the sorting screen. Through the traction of the sorting screen, the tension can be regulated to avoid the bouncing and overflowing of the ore due to hard abutment during the sorting of yellow phosphorus raw materials, thereby improving the safety of sorting. At the same time, by controlling the working extension or shortening of the electric push rod to pull the front side sleeve to slide in the track groove, the relative distance between the top traction block and the wedge block can be adjusted by the movement of the sleeve, and the traction stroke of the wedge block and the traction block at the corresponding position on the sorting screen can be adjusted, which is beneficial to the adjustment of the traction stroke. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a safe sorting device for yellow phosphorus production that prevents overflow proposed by the present invention; Figure 2 This is a schematic diagram of the disassembly structure of a safety sorting device for yellow phosphorus production that prevents overflow proposed by the present invention; Figure 3 A schematic side half-section structure diagram of a safety sorting device for yellow phosphorus production that prevents overflow proposed by the present invention; Figure 4 The present invention proposes Figure 3 The enlarged structural diagram of part A in the middle; Figure 5 This is a schematic diagram of the assembly structure of a tension control mechanism of a safety sorting device for yellow phosphorus production that prevents overflow proposed by the present invention; Figure 6 This is a schematic diagram of the assembly structure of a negative pressure suction mechanism for a safe sorting device for yellow phosphorus production that prevents overflow proposed by the present invention; Figure 7 The present invention proposes Figure 6 The enlarged structural diagram of part B in the middle; Figure 8 This is a schematic diagram of the split structure of a sorting screen for a safe sorting device for yellow phosphorus production that prevents overflow proposed by the present invention; Fig. 9 This is a schematic diagram of the disassembled structure of a scraping mechanism of a safe sorting device for yellow phosphorus production that prevents overflow proposed by the present invention; Fig.10 This is a partial structural schematic diagram of a tension control mechanism of a safety sorting device for yellow phosphorus production that prevents overflow proposed by the present invention; Fig.11 This is a schematic structural diagram of the traction block portion of a safety sorting device for yellow phosphorus production that prevents overflow proposed by the present invention.

[0018] Legend: 1. Sorting box; 2. Material trough; 3. Cover; 4. Sorting screen; 5. Sweeping mechanism; 501. Sweeping ring; 502. Sweeping rod; 503. Abutting ring; 504. Connecting rod; 505. Fixed rod; 506. Sweeping block; 507. Telescopic rod; 508. Spring; 6. Tension control mechanism; 601. Rotating ring; 602. Extrusion block; 603. Traction block; 604. Abutting roller; 605. 05, track groove; 606, wedge block; 607, electric push rod; 608, bushing; 609, fixed block; 610, connecting rod; 611, hinge block; 612, pushing part; 613, support rod; 614, mounting seat; 7, negative pressure suction mechanism; 701, negative pressure ring; 702, dust suction part; 703, suction pipe; 8, driving part; 9, slide groove; 10, discharge valve; 11, driving rod. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-Figure 11 The present invention provides a technical solution: a safety sorting device for yellow phosphorus production with anti-overflow, comprising: a sorting box 1, a plurality of supporting legs are connected around the bottom of the sorting box 1, and a plurality of sorting screens 4 are arranged in an array in sequence along the height direction in the inner cavity of the sorting box 1, a negative pressure suction mechanism 7 is installed on the top of the sorting screen 4, and a tension control mechanism 6 is connected to the outer peripheral side of the sorting screen 4, and the tension control mechanism 6 is used to pull the side of the sorting screen 4 to adjust the tension; The top of the sorting screen 4 is rotatably connected to a scraping mechanism 5, and a driving rod 11 is connected between the multiple scraping mechanisms 5, and the top of the driving rod 11 is transmission-connected to a driving part 8, and the driving part 8 is installed on the top of the cover 3 connected to the top of the sorting box 1; Among them, a plurality of material taking troughs 2 are connected to the position corresponding to the chute 9 on one side of the sorting box 1, and a discharge valve 10 is connected to the bottom of the sorting box 1; The driving part 8 is a driving motor with a gear set, so as to realize the rotation of the driving rod 11 and drive the scraping mechanism 5 to rotate.

[0021] Specifically: the tension control mechanism 6 can be used to control the sorting screen 4 to move outward, thereby controlling the tension of the sorting screen 4, which is beneficial to achieving flexible absorption of different falling ores by controlling the tension of the flexible screen, avoiding damage to the screen holes of the flexible screen due to impact, and satisfying the hard screening effect while controlling the tension, avoiding reverse overflow of the falling phosphate ore due to impact rebound, thereby improving the sorting adaptability of phosphate ore.

[0022] See also Figure 6-Figure 7 and Fig. 9 The scraping mechanism 5 includes a scraping ring 501, which is connected to the outside of the driving rod 11. Scraping rods 502 are connected to both sides of the outer periphery of the scraping ring 501. A plurality of sliding holes are provided on the top of the scraping rod 502. A telescopic rod 507 is connected in the sliding hole, and a fixed rod 505 is connected to the other end of the telescopic rod 507. A spring 508 is sleeved on the outer wall of the telescopic rod 507, and the two ends of the spring 508 are respectively connected to the corresponding positions of the sliding hole and one side of the fixed rod 505. Both sides of the bottom of the fixed rod 505 are connected to sweep blocks 506 through the rod body, and the cross-sectional shape of the sweep block 506 is rectangular. The bottom of the sweep block 506 is at the same horizontal position as the bottom of the scraping rod 502, and the sweep block 506 is configured to be telescopic along the axial direction of the telescopic rod 507, and the phosphate ore accumulated on both sides of the scraping rod 502 is pressed by the telescopic axial force of the sweep block 506. A connecting rod 504 is connected between multiple fixed rods 505, and the end of the connecting rod 504 is located at the top of the scraper ring 501. A contact ring 503 is provided on the outer peripheral side of the driving rod 11 corresponding to the top of the scraper ring 501. The peripheral side of the contact ring 503 is connected to the inner side of the sorting box 1 through a plate. The connecting rod 504 is located between the contact ring 503 and the scraper ring 501. The scraper ring 501 has a wavy disturbance groove on one side of the connecting rod 504. The connecting rod 504 is driven by the scraper ring 501 to rotate in the disturbance groove of the contact ring 503 to move the sweeping block 506.

[0023] Specifically: when phosphorescence enters the sorting box 1 through the top feed pipe of the cover body 3, the top drive unit 8 can rotate the motor to drive the driving rod 11 to rotate, and the driving rod 11 can rotate to drive the scraping ring 501 to rotate, and the scraping ring 501 can rotate to drive the scraping rods 502 on both sides to rotate, and the scraping rods 502 can rotate to push the phosphate ore accumulated on the top of the sorting screen 4, so that the phosphate ore can be pushed to rotate on the top of the sorting screen 4 so that the phosphate ore can be evenly dropped from the sieve holes on the top of the sorting screen 4, and the ore exceeding the particle size can be screened out during the continuous screening process, and taken out through the material trough 2 on one side of the sorting box 1, and the multi-stage sorting screen 4 can be set with different screening particle sizes according to needs, which is conducive to obtaining phosphate raw materials of different particle sizes through graded screening; The cross-sectional shape of the top of the connecting rod 504 is conical, and the ore is crushed by contacting the conical top of the connecting rod 504; Furthermore, when the scraping rod 502 rotates, the top connecting rod 504 can be driven to rotate by the rotation of the scraping rod 502. The rotation of the end of the connecting rod 504 can contact the top abutment ring 503. The spring 508 can use its own elastic force to drive the top connecting rod 504 to fully contact the abutment ring 503. After the wavy disturbance connecting rod 504 at the bottom of the abutment ring 503, the connecting rod 504 can drive the two side sweeping blocks 506 to reciprocate in the height direction. The vertical movement of the two side sweeping blocks 506 arranged in an array is beneficial to vertically apply energy to the phosphate ore that continues to be scraped, avoiding the accumulation of phosphate ore and being stuck near the scraping rod 502, and can push the phosphate ore to the side by applying energy vertically, so as to facilitate the scraping and dispersion of the phosphate ore and improve the sorting and processing efficiency.

[0024] See also Figure 3-Figure 6 and Figure 10-11 The tension control mechanism 6 includes a rotating ring 601, which is rotatably connected to the sorting box 1. A plurality of radially movable traction blocks 603 are designed on the outer peripheral side of the rotating ring 601, and the traction blocks 603 extend to the inner side of the step ring at the bottom of the sorting screen 4. The tension of the sorting screen 4 is regulated by the radial movement of the traction blocks 603. A plurality of abutment rollers 604 are provided on the inner side of the traction block 603, and the abutment rollers 604 abut against the inner side of the 4-step mounting ring of the sorting screen; The bottom of the traction block 603 is connected with a shaft sleeve 608, the outer side of the shaft sleeve 608 is sleeved with a track groove 605, the end of the track groove 605 is connected with a wedge block 606, and the outer peripheral side of the rotating ring 601 is connected with a squeeze block 602 corresponding to the position of the traction block 603, and the squeeze block 602 squeezes the wedge block 606 to drive the traction block 603 to move; The inner cavity of the track groove 605 is connected to an electric push rod 607, and the front end of the electric push rod 607 is connected to one side of the shaft sleeve 608, and the movement of the electric push rod 607 drives the traction block 603 to move; One side of the rotating ring 601 is connected to a fixed block 609, one side of the fixed block 609 is hinged with a connecting rod 610, and the other end of the connecting rod 610 is hinged with a hinge block 611, and one side of the hinge block 611 is connected to a pushing part 612, one side of the pushing part 612 is connected to a supporting rod 613, and the top of the supporting rod 613 is rotatably connected to a mounting seat 614, and the mounting seat 614 is connected to the slide groove 9 opened in the inner cavity of the sorting box 1.

[0025] Specifically: when the tension of the sorting screen 4 needs to be adjusted, the push part 612 of the corresponding level can be controlled to work and extend, wherein the push part 612 includes a moving part that can move along the axial direction, and the push part 612 can be one of a cylinder, a hydraulic cylinder or an electric push rod. When the push part 612 extends, it can drive the hinge block 611 to move, and the movement of the hinge block 611 can drive the connecting rod 610 to move, and the movement of the connecting rod 610 can drive the other side of the fixed block 609 to move, and the movement of the fixed block 609 can drive the rotating ring 601 to rotate, wherein, in order to improve the rotation stability of the rotating ring 601 The rotating ring 601 can be rotatably connected to the slide groove 9 through the shaft sleeve 608. The rotation of the rotating ring 601 can drive the outer peripheral side extrusion block 602 to move. The movement of the extrusion block 602 can squeeze the wedge block 606 at the corresponding position. The wedge block 606 can convert the lateral extrusion into a radial movement force when being squeezed. The radially moving wedge block 606 can drive the top traction block 603 to pull the sorting screen 4. Through the traction of the sorting screen 4, the tension can be regulated to avoid the bouncing and overflowing of the ore due to hard abutment during the sorting process of the yellow phosphorus raw material, thereby improving the safety of sorting. Furthermore, the electric push rod 607 can be controlled to extend or shorten to pull the front sleeve 608 to slide in the track groove 605, so that the relative distance between the top traction block 603 and the wedge block 606 can be adjusted by moving the sleeve 608, and the traction stroke of the wedge block 606 and the corresponding traction block 603 on the sorting screen 4 can be adjusted, which is beneficial to further fine-tune the tensioning effect of the sorting screen 4 through the adjustment of the traction stroke, and the multiple traction blocks 603 arranged on the circumferential side can adjust the radial position, and can adaptably adjust the traction stroke of each radial position of the sorting screen 4, so as to facilitate the expansion of the aperture of the sorting screen 4 through the adjustment of the traction stroke, avoid aperture blockage, and improve the adaptability of screening processing.

[0026] The negative pressure suction mechanism 7 includes a negative pressure ring 701, and a plurality of dust suction parts 702 are connected to the inner circumference of the negative pressure ring 701. The dust suction parts 702 include a plurality of dust suction nozzles arranged in a surrounding array. The plurality of dust suction parts 702 are connected through a suction pipe 703, and the suction pipe 703 extends to the outside of the sorting box 1 and is connected to an external dust suction pump. Specifically, through the designed negative pressure suction mechanism 7, dust can be sucked into the dust suction part 702 and the dust suction nozzle through an external dust suction pump, which is beneficial to the suction of smoke at the screening collision position through the dust suction part 702 arranged on the side of the sorting screen 4, avoiding the accumulation of smoke in the sorting box 1 and the phosphate rock, and is beneficial to improving the sorting effect.

[0027] Working principle: When in use, after phosphorescence enters the sorting box 1 through the feed pipe on the top of the cover 3, the top drive unit 8 rotates to drive the drive rod 11 to rotate, the drive rod 11 rotates to drive the scraping ring 501 to rotate, the scraping ring 501 rotates to drive the scraping rods 502 on both sides to rotate, and the scraping rods 502 rotate to push the phosphate ore accumulated on the top of the sorting screen 4, thereby pushing the phosphate ore to rotate on the top of the sorting screen 4 so that the phosphate ore falls evenly from the sieve holes on the top of the sorting screen 4, and the ore exceeding the particle size is screened out during the continuous screening process and taken out through the material trough 2 on one side of the sorting box 1; When the scraping rod 502 rotates, the top connecting rod 504 is driven to rotate by the rotation of the scraping rod 502, and the end of the connecting rod 504 rotates to contact the top abutting ring 503. The spring 508 uses its own elastic force to drive the top connecting rod 504 to fully contact the abutting ring 503. After the wavy disturbance of the bottom of the abutting ring 503, the connecting rod 504 drives the sweeping blocks 506 on both sides to reciprocate in the height direction. The vertical movement of the sweeping blocks 506 on both sides arranged in an array is conducive to vertically applying energy to the phosphate ore that continues to be scraped, so as to prevent the phosphate ore from accumulating and getting stuck near the scraping rod 502. By controlling the working extension of the pushing part 612 of the corresponding level, wherein the pushing part 612 includes a moving part that moves in the axial direction, when the pushing part 612 extends, the hinge block 611 is driven to move, the hinge block 611 moves to drive the connecting rod 610 to move, the connecting rod 610 moves to drive the fixed block 609 on the other side to move, the fixed block 609 moves to drive the rotating ring 601 to rotate, the rotating ring 601 rotates to drive the outer peripheral side extrusion block 602 to move, the extrusion block 602 moves to squeeze the wedge block 606 at the corresponding position, the wedge block 606 converts the lateral extrusion into a radial movement force when being squeezed, the radially moving wedge block 606 drives the top traction block 603 to pull the sorting screen 4, and the tension is regulated by the traction of the sorting screen 4; By controlling the electric push rod 607 to extend or shorten, the front sleeve 608 is pulled to slide in the track groove 605. The relative distance between the top traction block 603 and the wedge block 606 is adjusted by moving the sleeve 608. The traction stroke of the wedge block 606 and the corresponding traction block 603 on the sorting screen 4 is adjusted. By adjusting the traction stroke, the tensioning effect of the sorting screen 4 is fine-tuned.

[0028] In the present invention, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; the term "plurality" refers to two or more, unless otherwise clearly defined. Terms such as "installed", "connected", "connected", and "fixed" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The above is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, make equivalent replacements or changes, which should be covered within the scope of protection of the present invention.

Claims

1. A safety sorting device for yellow phosphorus production that prevents overflow, comprising a sorting box (1), characterized in that: The bottom of the sorting box (1) is connected with a plurality of supporting legs, and the inner cavity of the sorting box (1) is provided with a plurality of sorting screens (4) arranged in sequence along the height direction, a negative pressure suction mechanism (7) is installed on the top of the sorting screen (4), and a tension control mechanism (6) is connected to the outer peripheral side of the sorting screen (4), and the tension control mechanism (6) is used to pull the peripheral side of the sorting screen (4) to adjust the tension; The top of the sorting screen (4) is rotatably connected to a scraping mechanism (5), a driving rod (11) is connected between the plurality of scraping mechanisms (5), the top of the driving rod (11) is transmission-connected to a driving unit (8), and the driving unit (8) is mounted on the top of a cover body (3) connected to the top of the sorting box (1).

2. The overflow-proof safety sorting equipment for yellow phosphorus production according to claim 1, characterized in that: The scraping mechanism (5) comprises a scraping ring (501), the scraping ring (501) being connected to the outside of the driving rod (11), the scraping rods (502) being connected to both sides of the outer periphery of the scraping ring (501), the top of the scraping rod (502) being provided with a plurality of sliding holes, the sliding holes being connected to a telescopic rod (507), the other end of the telescopic rod (507) being connected to a fixed rod (505), the outer wall of the telescopic rod (507) being provided with a spring (508), and the spring (50 8) The two ends are respectively connected to the sliding hole and the corresponding positions on one side of the fixed rod (505), and the two sides of the bottom of the fixed rod (505) are connected to sweep blocks (506) through the rod body, and the cross-sectional shape of the sweep block (506) is rectangular. The bottom of the sweep block (506) and the bottom of the scraping rod (502) are at the same horizontal position, and the sweep block (506) is configured to be telescopic along the axial direction of the telescopic rod (507), and the phosphate ore accumulated on both sides of the scraping rod (502) is pressed by the telescopic axial direction of the sweep block (506).

3. The overflow-proof yellow phosphorus production safety sorting equipment according to claim 2, characterized in that: A connecting rod (504) is connected between the plurality of fixed rods (505), the end of the connecting rod (504) is located at the top of the scraping ring (501), an abutting ring (503) is provided on the outer peripheral side of the driving rod (11) corresponding to the top of the scraping ring (501), the peripheral side of the abutting ring (503) is connected to the inner side of the sorting box (1) through a plate body, the connecting rod (504) is located between the abutting ring (503) and the scraping ring (501), and a wavy disturbance groove is provided on one side of the scraping ring (501) corresponding to the connecting rod (504), and the connecting rod (504) is driven by the scraping ring (501) to rotate in the disturbance groove of the abutting ring (503) to move the sweeping block (506).

4. The overflow-proof safety sorting equipment for yellow phosphorus production according to claim 1, characterized in that: The tension control mechanism (6) comprises a rotating ring (601), the rotating ring (601) being rotatably connected to the inside of the sorting box (1), a plurality of radially movable traction blocks (603) being designed on the outer peripheral side of the rotating ring (601), and the traction blocks (603) extending to the inner side of the step ring at the bottom of the sorting screen (4), and the tension of the sorting screen (4) being regulated by the radial movement of the traction blocks (603).

5. The overflow-proof safety sorting equipment for yellow phosphorus production according to claim 4, characterized in that: The bottom of the traction block (603) is connected to a shaft sleeve (608), the outer side of the shaft sleeve (608) is provided with a track groove (605), the end of the track groove (605) is connected to a wedge block (606), and the outer peripheral side of the rotating ring (601) is connected to a position corresponding to the traction block (603), and the traction block (603) is driven to move by the extrusion block (602) squeezing the wedge block (606).

6. The overflow-proof safety sorting equipment for yellow phosphorus production according to claim 5, characterized in that: The inner cavity of the track groove (605) is connected to an electric push rod (607), and the front end of the electric push rod (607) is connected to one side of the shaft sleeve (608). The movement of the electric push rod (607) drives the traction block (603) to move.

7. The overflow-proof safety sorting equipment for yellow phosphorus production according to claim 5, characterized in that: One side of the rotating ring (601) is connected to a fixed block (609), one side of the fixed block (609) is hinged to a connecting rod (610), and the other end of the connecting rod (610) is hinged to a hinge block (611), and one side of the hinge block (611) is connected to a pushing portion (612), and one side of the pushing portion (612) is connected to a supporting rod (613), and the top of the supporting rod (613) is rotatably connected to a mounting seat (614), and the mounting seat (614) is connected to a slide groove (9) opened in the inner cavity of the sorting box (1).

8. The overflow-proof safety sorting equipment for yellow phosphorus production according to claim 5, characterized in that: A plurality of abutment rollers (604) are provided on the inner side of the traction block (603), and the abutment rollers (604) are in contact with the inner side of the step ring of the sorting screen (4).

9. The overflow-proof safety sorting equipment for yellow phosphorus production according to claim 1, characterized in that: The negative pressure suction mechanism (7) comprises a negative pressure ring (701), a plurality of dust suction parts (702) are connected to the inner circumference of the negative pressure ring (701), the dust suction parts (702) comprise a plurality of dust suction nozzles arranged in a surrounding array, the plurality of dust suction parts (702) are connected via a suction pipe (703), and the suction pipe (703) extends to the outside of the sorting box (1) and is connected to an external dust suction pump.

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