CN117625987A - Device for granulating smelting slag - Google Patents

Abstract

The invention discloses a device for granulating smelting slag, which comprises a frame body, wherein a dispersing mechanism for dispersing melt impact into tiny liquid drops and a cooling mechanism for cooling the molten liquid drops are arranged on the frame body, and the cooling mechanism is positioned at the bottom of the dispersing mechanism; the cooling mechanism comprises a rectangular frame, a plurality of atomizing nozzles for atomizing water flow are arranged in the rectangular frame, and two adjacent atomizing nozzles are connected in a rotating mode. According to the invention, the melt is impacted and dispersed into tiny liquid drops through the dispersing mechanism, when the flow rate and the dropping point of the melt are changed, the locking mechanism is used for unlocking the corresponding atomizing nozzle through the angle adjusting mechanism, and then the included angle between the atomizing nozzle and the connected atomizing nozzle is adjusted, so that the atomizing nozzle in the non-dropping point area can spray and cool the melt in the dropping point area, the waste of granulating water is reduced, and the utilization efficiency of granulating water is increased.

Description

Device for granulating smelting slag

Technical Field

The invention relates to the technical field of flash copper smelting, in particular to a device for granulating smelting slag.

Background

In the flash smelting process of copper, the granulating process adopted is generally classified into water quenching and air quenching. The water quenching process adopts pressurized water flow to impact the melt, the copper matte melt is converted into particles by virtue of explosion generated by contact of the melt and water, and the air quenching process adopts air flow to disperse the melt, and then water mist is used for further cooling molten liquid drops, so that the granulating effect is achieved.

Both water quenching and air quenching require the use of a granulating nozzle to provide cooling water for copper matte granulation. The dispersibility of water relates to the good or bad degree of matte granulation, and the degree of dispersion of water smoke can not enough lead to the cooling effect to be insufficient, and serious can lead to "blasting", constitutes the threat to on-the-spot personnel's personal safety, and current granulation device is through the atomizing nozzle blowout water smoke to ensure the cooling fully, but when the flow and the decline point of fuse-element change, the atomizing nozzle that is in non-drop point region is the water smoke that the atomizing nozzle was spouted just can't contact with the fuse-element, leads to current granulation device can produce a large amount of water waste at the during operation.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a device for granulating smelting slag, which can reduce the waste of granulating water and increase the utilization efficiency of granulating water.

In order to solve the technical problems, the invention adopts the following technical scheme: the device for granulating the smelting slag comprises a frame body, wherein a dispersing mechanism for dispersing melt into tiny liquid drops through impact and a cooling mechanism for cooling the molten liquid drops are arranged on the frame body, and the cooling mechanism is positioned at the bottom of the dispersing mechanism; the cooling mechanism comprises a rectangular frame, a plurality of atomizing nozzles for atomizing water flow are arranged in the rectangular frame, two adjacent atomizing nozzles are all rotationally connected, one of the atomizing nozzles is fixedly arranged on the rectangular frame, a locking mechanism capable of limiting relative rotation of the two atomizing nozzles is arranged between the two adjacent atomizing nozzles, and an angle adjusting mechanism for unlocking the locking mechanism to the atomizing nozzles and adjusting the angle between the two atomizing nozzles is arranged at the top of the rectangular frame.

Further, locking mechanical system is including setting up in the pivot at atomizer top, the pivot top is provided with the gear, the cover is equipped with the spring in the pivot, the spring is not less than the height of pivot when being in natural state, the cover is equipped with the clamp plate in the pivot, set up the spout that supplies the clamp plate to reciprocate and set up relatively with the pivot on the atomizer, set up the tooth's socket with the gear in the clamp plate, the clamp plate is in clamp plate and gear engagement when the upper extreme position of spout.

Further, the angle adjusting mechanism comprises an inner gear sleeve and an outer gear ring which is arranged at the top of the pressing plate and meshed with the inner gear sleeve, the inner diameter of the outer gear ring is larger than the outer diameter of the gear, a linkage disc for driving the inner gear sleeve to synchronously rotate is arranged at the top of the inner gear sleeve, and a driving assembly for driving the linkage disc to rotate is arranged at the top of the linkage disc;

the angle adjusting mechanism further comprises a cross sliding table used for driving the driving assembly to move up and down and move along the arrangement direction of the atomizing spray heads, and the cross sliding table is arranged at the top of the rectangular frame.

Further, a connecting component for assisting the butt joint of the inner gear sleeve and the outer gear ring is arranged between the linkage disc and the inner gear sleeve; the connecting assembly comprises an anti-unhooking hook used for preventing the separation of the inner toothed sleeve and the linkage disc, the anti-unhooking hook is arranged at the bottom of the linkage disc, an annular groove matched with the anti-unhooking hook is formed in the top of the inner toothed sleeve, the anti-unhooking hook can rotate in the annular groove and move up and down, the bottom of the linkage disc is provided with a round table capable of driving the inner toothed sleeve to rotate together through friction during rotation, the diameter of the top of the round table is larger than the diameter of the bottom of the round table, the diameter of the top of the round table is larger than the inner diameter of the inner toothed sleeve, and the diameter of the bottom of the round table is smaller than the inner diameter of the inner toothed sleeve.

Further, the inner peripheral wall of the inner gear sleeve is provided with a resistance increasing ring for increasing friction force when the inner gear sleeve contacts with the round table.

Further, be provided with in the rectangular frame and be used for supplying water and can follow atomizer rotation and the conduit that moves together to a plurality of atomizer, conduit comprises trunk line and a plurality of minutes pipeline, trunk line and minute pipeline are the hose.

Further, a venturi tube for pressurizing water flow into high-speed water flow is arranged at the water inlet end of the water conveying pipeline.

Further, a motor for changing the spraying angle of the atomizing nozzle by driving the cooling mechanism to swing up and down is arranged on the frame body.

Further, the motor output shaft is provided with a band-type brake mechanism for locking the position of the cooling mechanism after the angle adjustment of the cooling mechanism is completed.

The beneficial effects of the invention are as follows:

according to the invention, the melt is impacted and dispersed into tiny liquid drops through the dispersing mechanism, when the flow rate and the dropping point of the melt are changed, the locking mechanism is used for unlocking the corresponding atomizing nozzle through the angle adjusting mechanism, and then the included angle between the atomizing nozzle and the connected atomizing nozzle is adjusted, so that the atomizing nozzle in the non-dropping point area can spray and cool the melt in the dropping point area, the waste of granulating water is reduced, and the utilization efficiency of granulating water is increased.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an enlarged schematic view of a portion of the portion A shown in FIG. 1;

FIG. 3 is a partial view of the locking mechanism and the angle adjustment mechanism;

FIG. 4 is an exploded view of FIG. 3;

FIG. 5 is a schematic illustration of the connection of the inner gear sleeve to the linkage disc;

FIG. 6 is a structural view of a platen;

FIG. 7 is a structural view of the inner sleeve;

fig. 8 is a structural view of the water pipe and the venturi;

fig. 9 is a cross-sectional view of the venturi.

In the figure:

1. a frame body; 2. a dispersing mechanism; 3. a cooling mechanism; 31. a rectangular frame; 32. an atomizing nozzle; 33. a locking mechanism; 331. a rotating shaft; 332. a gear; 333. a spring; 334. a pressing plate; 335. a chute; 336. tooth slots; 34. an angle adjusting mechanism; 341. an inner tooth sleeve; 342. an outer ring gear; 343. a linkage disc; 344. a drive assembly; 345. a cross sliding table; 4. a connection assembly; 41. unhooking prevention; 42. an annular groove; 43. round bench; 5. resistance increasing ring; 6. a water pipe; 7. a venturi tube; 8. a motor; 9. and the band-type brake mechanism.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. Embodiments and features of embodiments in this application may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-9, the invention discloses a device for granulating smelting slag, which comprises a frame body 1, wherein a dispersing mechanism 2 for dispersing melt into tiny liquid drops through impact and a cooling mechanism 3 for cooling the molten liquid drops are arranged on the frame body 1, and the cooling mechanism 3 is positioned at the bottom of the dispersing mechanism 2; the cooling mechanism 3 includes a rectangular frame 31, a plurality of atomizer heads 32 for atomizing water flow are arranged in the rectangular frame 31, two adjacent atomizer heads 32 are all rotationally connected, one atomizer head 32 is fixedly arranged on the rectangular frame 31, a locking mechanism 33 capable of limiting relative rotation of the two atomizer heads 32 is arranged between the two adjacent atomizer heads 32, and an angle adjusting mechanism 34 for unlocking the locking mechanism 33 to the atomizer heads 32 and adjusting the angle between the two atomizer heads 32 is arranged at the top of the rectangular frame 31.

According to the invention, the melt is firstly impacted and dispersed into tiny liquid drops through the dispersing mechanism 2, when the flow rate and the falling point of the melt are changed, the locking mechanism 33 is used for unlocking the corresponding atomizing nozzle 32 through the angle adjusting mechanism 34, and then the included angle between the atomizing nozzle 32 and the connected atomizing nozzle 32 is adjusted, so that the atomizing nozzle 32 in the non-falling point area can spray and cool the melt in the falling point area, thereby reducing the waste of granulating water quantity and increasing the utilization efficiency of granulating water.

Preferably, the atomizer 32 fixedly provided on the rectangular frame 31 is located at the middle of the plurality of atomizer 32.

In a specific implementation, in order to improve the effect of impact dispersion on the melt, the dispersing mechanism 2 is composed of a plurality of dispersing spray heads which are arranged in a matrix, and the outlet direction of the dispersing spray heads is consistent with the direction of the melt chute.

In an embodiment, the locking mechanism 33 includes a rotating shaft 331 disposed at the top of the atomizer 32, a gear 332 is disposed at the top of the rotating shaft 331, a spring 333 is sleeved on the rotating shaft 331, the height of the spring 333 in a natural state is not less than that of the rotating shaft 331, a pressing plate 334 is sleeved on the rotating shaft 331, a sliding groove 335 for the pressing plate 334 to move up and down and opposite to the rotating shaft 331 is provided on the atomizer 32, a tooth groove 336 engaged with the gear 332 is provided in the pressing plate 334, and the pressing plate 334 is engaged with the gear 332 when the pressing plate 334 is in an upper limit position of the sliding groove 335.

In this way, the pressing plate 334 on the atomizing nozzle 32 is clamped on the gear 332 of the adjacent atomizing nozzle 32, when no external force acts, the pressing plate 334 is limited by the pushing force of the spring 333 and the sliding groove 335 to be meshed with the gear 332, so that the adjacent atomizing nozzle 32 cannot rotate, the angle of the atomizing nozzle 32 in the spraying process of the granulating water can be kept unchanged, and when the pressing plate 334 is pushed to move downwards by the external force, the pressing plate 334 is not meshed with the gear 332, so that the angle of the atomizing nozzle 32 can rotate freely.

In an embodiment, the angle adjusting mechanism 34 includes an inner gear sleeve 341 and an outer gear ring 342 disposed on the top of the pressing plate 334 and meshed with the inner gear sleeve 341, the inner diameter of the outer gear ring 342 is larger than the outer diameter of the gear 332, a linkage disc 343 for driving the inner gear sleeve 341 to rotate synchronously is disposed on the top of the inner gear sleeve 341, and a driving assembly 344 for driving the linkage disc 343 to rotate is disposed on the top of the linkage disc 343;

the angle adjusting mechanism 34 further includes a cross sliding table 345 for driving the driving assembly 344 to move up and down and along the direction in which the atomizing nozzles 32 are arranged, and the cross sliding table 345 is disposed at the top of the rectangular frame 31.

In this design, the driving assembly 344 is driven to move to the upper side of the locking mechanism 33 by the cross sliding table 345, and then the driving assembly 344 is driven to move downwards, so that the inner toothed sleeve 341 is sleeved on the outer side of the outer toothed ring 342 and pushes the plate 334 downwards, after the pressing plate 334 is not meshed with the gear 332 any more, the driving assembly 344 can drive the inner toothed sleeve 341 to rotate, and then the atomizing nozzle 32 connected with the corresponding pressing plate 334 is driven to rotate for adjusting the angle by the meshing relationship with the outer toothed ring 342, and after the angle adjustment is completed, the cross sliding table 345 drives the driving assembly 344 to move upwards for resetting, and the locking mechanism 33 locks the adjusted atomizing nozzle 32.

In one embodiment, a connecting component 4 for assisting the inner gear sleeve 341 to be in butt joint with the outer gear ring 342 is arranged between the linkage disc 343 and the inner gear sleeve 341; the connecting assembly 4 comprises an anti-unhooking hook 41 used for preventing the inner gear sleeve 341 from being separated from the linkage disc 343, the anti-unhooking hook 41 is arranged at the bottom of the linkage disc 343, an annular groove 42 matched with the anti-unhooking hook 41 is formed in the top of the inner gear sleeve 341, the anti-unhooking hook 41 can rotate in the annular groove 42 and move up and down, the bottom of the linkage disc 343 is provided with a round table 43 capable of driving the inner gear sleeve 341 to rotate together through friction during rotation, the top diameter of the round table 43 is larger than the bottom diameter of the round table 43, the top diameter of the round table 43 is larger than the inner diameter of the inner gear sleeve 341, and the bottom diameter of the round table 43 is smaller than the inner diameter of the inner gear sleeve 341.

By adopting the design, the inner gear sleeve 341 can freely rotate in the process of moving downwards to be close to the outer gear ring 342, when the positions of the inner gear sleeve 341 and the outer gear ring 342 deviate, the inner gear sleeve 341 is rotated to be aligned with the outer gear ring 342 by thrust and then moves downwards continuously, the round table 43 is clung to the inner gear sleeve 341, and when the linkage disc 343 rotates, the friction force between the round table 43 and the inner gear sleeve 341 is utilized to drive the inner gear sleeve 341 to rotate, so that the problem that the angle adjusting mechanism 34 cannot work due to mechanical errors can be reduced.

In an embodiment, the inner peripheral wall of the inner gear sleeve 341 is provided with a resistance increasing ring 5 for increasing friction force when the inner gear sleeve 341 contacts with the round table 43, so that the adjustment precision of the atomizing nozzle 32 is improved.

Preferably, the resistance increasing ring 5 is a rubber ring with a strip-shaped notch on the inner peripheral wall.

In an embodiment, the rectangular frame 31 is internally provided with the water delivery pipeline 6 which is used for supplying water to the plurality of atomizing nozzles 32 and can move along with the rotation of the atomizing nozzles 32, the water delivery pipeline 6 consists of a main pipeline and a plurality of branch pipelines, and the main pipeline and the branch pipelines are all hoses, so that the design reduces the influence of the rotation of the atomizing nozzles 32 on the supply of granulating water.

In an embodiment, the water inlet end of the water pipe 6 is provided with a venturi tube 7 for pressurizing water flow into high-speed water flow, the venturi tube 7 is connected with the water inlet pipeline and the pressurized gas pipeline, the water inlet end of the main pipe end of the venturi tube 7 is connected with the water inlet pipeline, and a necking part close to one side of the water inlet end of the main pipe end is connected with the pressurized gas source pipeline, so that pressurized gas is mixed with water flow to generate bubbles before entering the necking part and then sprayed out after flowing through the necking part together, the water flow is pressurized into high-speed water flow with bubbles, the dispersibility and pressure of water mist sprayed out by the atomizing nozzle 32 are increased, and the atomizing effect of water is further enhanced.

In practice, since the flow rate of the melt is not always kept constant, the amount of granulating water can be changed according to the change of the flow rate of the melt by providing a flowmeter and a flow regulating valve on the water inlet pipe and the pressurized gas pipe.

In one embodiment, the frame body 1 is provided with a motor 8 for changing the spraying angle of the atomizing nozzle 32 by driving the cooling mechanism 3 to swing up and down, so that the possibility of contact between the granulating water and the melt drops is further increased.

In an embodiment, the output shaft of the motor 8 is provided with a band-type brake mechanism 9 for locking the position of the cooling mechanism 3 after the angle adjustment of the cooling mechanism 3 is completed, and the cooling mechanism 3 is locked by the band-type brake mechanism 9, so that the cooling mechanism 3 cannot swing up and down due to external force, and the stability of the cooling mechanism 3 after the angle adjustment is improved.

Preferably, the band-type brake mechanism 9 is a drum brake in the prior art.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

In addition, "a plurality of" means two or more.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (9)

1. An apparatus for granulating smelting slag, characterized by: the device comprises a frame body (1), wherein a dispersing mechanism (2) for dispersing melt into tiny liquid drops through impact and a cooling mechanism (3) for cooling the molten liquid drops are arranged on the frame body (1), and the cooling mechanism (3) is positioned at the bottom of the dispersing mechanism (2); the cooling mechanism (3) comprises a rectangular frame (31), a plurality of atomizing nozzles (32) for atomizing water flow are arranged in the rectangular frame (31), two adjacent atomizing nozzles (32) are all rotationally connected, one of the atomizing nozzles (32) is fixedly arranged on the rectangular frame (31), two adjacent atomizing nozzles (32) are provided with locking mechanisms (33) capable of limiting relative rotation of the two atomizing nozzles (32), and the top of the rectangular frame (31) is provided with angle adjusting mechanisms (34) for unlocking the locking mechanisms (33) on the atomizing nozzles (32) and for adjusting angles between the two atomizing nozzles (32).

2. An apparatus for granulating slag as claimed in claim 1, wherein: locking mechanical system (33) are including setting up in pivot (331) at atomizer (32) top, pivot (331) top is provided with gear (332), the cover is equipped with spring (333) on pivot (331), the height of spring (333) when being in the natural state is not less than the height of pivot (331), the cover is equipped with clamp plate (334) on pivot (331), set up on atomizer (32) and supply clamp plate (334) to reciprocate and spout (335) that set up relatively with pivot (331), set up in clamp plate (334) with gear (332) engaged with tooth groove (336), clamp plate (334) are in clamp plate (334) and gear (332) meshing when spout (335) upper limit position.

3. An apparatus for granulating slag as claimed in claim 2, wherein: the angle adjusting mechanism (34) comprises an inner gear sleeve (341) and an outer gear ring (342) which is arranged at the top of the pressing plate (334) and meshed with the inner gear sleeve (341), the inner diameter of the outer gear ring (342) is larger than the outer diameter of the gear (332), a linkage disc (343) for driving the inner gear sleeve (341) to synchronously rotate is arranged at the top of the inner gear sleeve (341), and a driving assembly (344) for driving the linkage disc (343) to rotate is arranged at the top of the linkage disc (343);

the angle adjusting mechanism (34) further comprises a cross sliding table (345) for driving the driving assembly (344) to move up and down and move along the arrangement direction of the atomizing spray heads (32), and the cross sliding table (345) is arranged at the top of the rectangular frame (31).

4. A device for granulating slag as claimed in claim 3, wherein: a connecting component (4) for assisting the butt joint of the inner gear sleeve (341) and the outer gear ring (342) is arranged between the linkage disc (343) and the inner gear sleeve (341); coupling assembling (4) are including being used for preventing interior tooth cover (341) and the anticreep hook (41) of linkage dish (343) separation, anticreep hook (41) set up in linkage dish (343) bottom, annular channel (42) with anticreep hook (41) looks adaptation are seted up at interior tooth cover (341) top, anticreep hook (41) can rotate in annular channel (42) and reciprocate, linkage dish (343) bottom is provided with can drive interior tooth cover (341) together pivoted round platform (43) through the friction when rotating, round platform (43) top diameter is greater than round platform (43) bottom diameter, the top diameter of round platform (43) is greater than the internal diameter of interior tooth cover (341), the bottom diameter of round platform (43) is less than the internal diameter of interior tooth cover (341).

5. An apparatus for granulating slag as claimed in claim 4, wherein: the inner peripheral wall of the inner tooth sleeve (341) is provided with a resistance increasing ring (5) for increasing friction force when the inner tooth sleeve (341) is contacted with the round table (43).

6. An apparatus for granulating slag as claimed in claim 1, wherein: the rectangular frame (31) is internally provided with a water conveying pipeline (6) which is used for supplying water to a plurality of atomizing nozzles (32) and can move along with the rotation of the atomizing nozzles (32), the water conveying pipeline (6) consists of a main pipeline and a plurality of branch pipelines, and the main pipeline and the branch pipelines are all hoses.

7. An apparatus for granulating slag as claimed in claim 7, wherein: the water inlet end of the water conveying pipeline (6) is provided with a venturi tube (7) for pressurizing water flow into high-speed water flow.

8. An apparatus for granulating slag as claimed in claim 1, wherein: the frame body (1) is provided with a motor (8) which drives the cooling mechanism (3) to swing up and down to change the spraying angle of the atomizing nozzle (32).

9. An apparatus for granulating slag as claimed in claim 8, wherein: and an output shaft of the motor (8) is provided with a band-type brake mechanism (9) for locking the position of the cooling mechanism (3) after the angle adjustment of the cooling mechanism (3) is completed.