High-pressure leaching flash tank for laterite nickel ore

Abstract

A high-pressure leaching flash tank for a laterite nickel ore. The high-pressure leaching flash tank comprises a tank body, a buffer assembly and a stirring assembly, wherein a steam outlet is provided at an upper end of the tank body, a liquid discharge port is provided at a lower end of the tank body, and a liquid inlet is provided at a side portion of the tank body; the buffer assembly comprises a housing, a rotating shaft and an impeller, wherein the housing is arranged in the tank body, and is provided with a cavity and an inlet and an outlet which are in communication with the cavity; the outlet is located at the bottom of the housing, the inlet is connected to the liquid inlet, an upper end of the rotating shaft is rotationally mounted in the cavity, a lower end of the rotating shaft extends out of the cavity from the outlet, and the impeller is located in the cavity and connected to the upper end of the rotating shaft; and the stirring assembly is mounted at the lower end of the rotating shaft, and is configured to extend into a slurry. By providing the buffer assembly and the stirring assembly, the method can avoid scouring and abrasion of the tank body by a high-speed slurry; and a high-speed liquid flow can also be used to do work, so as to stir the bottom of the slurry.

Description

A high-pressure leaching flash tank for laterite nickel ore Technical Field

[0001] The present invention relates to the technical field of mining production equipment, in particular to a laterite nickel ore high-pressure leaching flash tank. Background Art

[0002] With the booming development of my country's new energy vehicle industry and the gradual depletion of high-quality nickel and cobalt ore resources, demand for Ni, Co, and Mn metals in new energy ternary materials is increasing. The development of laterite nickel ore, which has large reserves but low nickel grades, has become a hot topic in the industry. The hydrometallurgical route of sulfuric acid leaching under high-temperature and high-pressure conditions is currently one of the mainstream smelting processes for laterite nickel ore. The post-leaching slurry must be cooled and depressurized before entering the next solid-liquid separation process. Flash tanks are the primary equipment for this cooling and depressurization process.

[0003] Patent CN103801098A discloses a steam flash tank comprising a tank body, a water inlet above the tank body, a drain outlet below the tank body, an air inlet and an air outlet, and a water attachment device is also provided inside the tank body.

[0004] However, in the above prior art, when the liquid enters the flash tank, the liquid pressure is suddenly released, which will flush the tank body at an extremely fast speed. If the flushing continues for a long time, it will easily cause damage to the tank body and reduce the life of the tank body.

[0005] Summary of the Invention

[0006] In view of this, it is necessary to provide a laterite nickel ore high-pressure leaching flash tank to solve the technical problem in the prior art that when the liquid enters the flash tank, the liquid pressure is suddenly released, which will flush the flash tank body at an extremely fast speed. If the flushing continues for a long time, it is easy to cause damage to the tank body and reduce the life of the tank body.

[0007] The present invention provides a laterite nickel ore high-pressure leaching flash tank, which comprises:

[0008] A tank body, wherein the upper end of the tank body is provided with a steam outlet, the lower end is provided with a liquid discharge port, and the side portion is provided with a liquid inlet;

[0009] A buffer assembly comprises a housing, a rotating shaft, and an impeller, wherein the housing is disposed within the tank body, the housing being provided with a cavity and an inlet and an outlet communicating with the cavity, the outlet being located at the bottom of the housing, the inlet being connected to the liquid inlet, the upper end of the rotating shaft being rotatably mounted within the cavity and the lower end extending from the outlet to the outside of the cavity, the impeller being located within the cavity and connected to the upper end of the rotating shaft;

[0010] A stirring assembly is installed at the lower end of the rotating shaft, and the stirring assembly is used to extend into the slurry.

[0011] In some embodiments, the impeller includes a base and a lower cover, and a plurality of blades are convexly formed on the lower side of the base. The plurality of blades are arranged at intervals along the circumference of the base, and each blade extends from the outer periphery of the base toward the middle of the base along the direction of rotation. An opening is penetrated in the middle of the lower cover, and the opening is arranged corresponding to the outlet. The lower cover is arranged on the lower side of the plurality of blades.

[0012] In some embodiments, the opening is gradually expanded from bottom to top, and the lower side of the blade is gradually inclined downward from the outer periphery of the base to the middle of the base, so that the lower side of the blade is adapted to the upper side of the lower cover.

[0013] In some embodiments, the shell includes a mounting plate and an annular shell plate, the mounting plate is installed in the tank body, the annular shell plate is detachably installed on the lower side of the mounting plate, the annular shell plate and the mounting plate together enclose the cavity, the side of the annular shell plate is provided with the inlet, and the bottom of the annular shell plate is provided with the outlet.

[0014] In some embodiments, the annular shell plate is rotatably mounted on the mounting plate, a mounting hole is provided on the lower side of the mounting plate, an anti-slip groove is extended from one side of the mounting hole, the mounting hole and the anti-slip groove are arranged in sequence along the rotation direction of the impeller, and the width of the mounting hole is greater than the width of the anti-slip groove;

[0015] A boss is provided on the upper side of the annular shell plate, and the boss has a first boss segment and a second boss segment stacked in sequence from bottom to top, the anti-slip groove is adapted to the first boss segment, and the mounting hole is adapted to the second boss segment. The boss extends into the mounting hole, and when the annular shell plate rotates, the first boss segment slides from the mounting hole to the anti-slip groove, so that the annular shell plate is fixed to the annular shell plate.

[0016] In some embodiments, the circumference of the mounting plate is hollowed out.

[0017] In some embodiments, the inlet extends in a tangential direction of the impeller;

[0018] The laterite nickel ore high-pressure leaching flash tank also includes a connecting pipe, which extends from outside the tank body into the tank body, and one end of the connecting pipe located inside the tank body is connected to the inlet, and the connecting pipe is consistent with the inlet along the extension direction of the impeller.

[0019] In some embodiments, the laterite nickel ore high-pressure leaching flash tank further includes a plurality of liquid baffles, which are arranged on the rotating shaft, spaced apart along the circumference of the rotating shaft, and located between the stirring assembly and the impeller.

[0020] In some embodiments, the liquid baffle is arranged at an angle.

[0021] In some embodiments, the stirring assembly includes a propeller stirring paddle, which is used to disturb, mix and float the material.

[0022] Compared with the prior art, the laterite nickel ore high-pressure leaching flash tank provided by the present invention has a steam outlet at the upper end of the tank body, a drain port at the lower end and a liquid inlet at the side; the shell is arranged in the tank body, the shell is provided with a cavity and an inlet and an outlet communicating with the cavity, the outlet is located at the bottom of the shell, the inlet is connected to the liquid inlet, the upper end of the rotating shaft is rotatably installed in the cavity and the lower end extends from the outlet to the outside of the cavity, the impeller is located in the cavity and is connected to the upper end of the rotating shaft; the stirring assembly is installed at the lower end of the rotating shaft, and the stirring assembly is used to extend into the slurry. When used specifically The high-speed flowing slurry flows into the shell from the liquid inlet and drives the impeller to rotate. By driving the impeller to rotate, the energy of the slurry is consumed, the flow rate of the slurry is slowed down, and it enters the bottom of the tank at a relatively slow speed. At the same time, the rotation of the impeller drives the stirring component to rotate, and the stirring component is located in the slurry at the bottom of the tank. The stirring component can stir the slurry at the bottom of the tank to prevent the slurry from settling. By arranging the buffer component and the stirring component, the scouring and wear of the tank by the high-speed slurry can be avoided, and the high-speed liquid flow can be used to stir the slurry at the bottom.

[0023] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the description, the preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings. The specific implementation methods of the present invention are given in detail by the following embodiments and the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0025] FIG1 is a schematic structural diagram of an embodiment of a laterite nickel ore high-pressure leaching flash tank provided by the present invention;

[0026] FIG2 is a front cross-sectional view of the laterite nickel ore high-pressure leaching flash tank in FIG1 ;

[0027] FIG3 is a top cross-sectional view of the laterite nickel ore high-pressure leaching flash tank in FIG1 ;

[0028] FIG4 is a perspective schematic diagram of the buffer assembly in FIG1 ;

[0029] FIG5 is a cross-sectional view of the buffer assembly in FIG1 ;

[0030] FIG6 is a cross-sectional view of the impeller in FIG1 ;

[0031] FIG7 is a perspective schematic diagram of the base in FIG1 ;

[0032] FIG8 is a perspective schematic diagram of the annular shell plate in FIG1 ;

[0033] FIG9 is a perspective schematic diagram of the mounting plate in FIG1 .

[0034] Explanation of the accompanying drawings: 1-tank body, 11-steam outlet, 12-liquid drain port, 13-liquid inlet, 2-buffer assembly, 21-shell, 211-mounting plate, 2111-mounting hole, 2112-anti-slip groove, 212-annular shell plate, 2121-inlet, 2122-outlet, 2123-first raised section, 2124-second raised section, 22-rotating shaft, 23-impeller, 231-base, 2311-blade, 232-lower cover, 2321-opening, 3-propulsion agitator, 4-liquid baffle, 5-connecting pipe. DETAILED DESCRIPTION

[0035] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of this application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, and are not used to limit the scope of the present invention.

[0036] Please refer to Figures 1 to 9. The laterite nickel ore high-pressure leaching flash tank includes a tank body 1, a buffer assembly 2 and a stirring assembly. The tank body 1 is provided with a steam outlet 11 at the upper end, a drain port 12 at the lower end and a liquid inlet 13 at the side; the buffer assembly 2 includes a shell 21, a rotating shaft 22 and an impeller 23. The shell 21 is arranged in the tank body 1, and the shell 21 is provided with a cavity and an inlet 2121 and an outlet 2122 connected to the cavity. The outlet 2122 is located at the bottom of the shell 21, and the inlet 2121 is connected to the liquid inlet 13. The upper end of the rotating shaft 22 is rotatably installed in the cavity and the lower end extends from the outlet 2122 to the outside of the cavity. The impeller 23 is located in the cavity and is connected to the upper end of the rotating shaft 22. The stirring assembly is installed at the lower end of the rotating shaft 22, and the stirring assembly is used to extend into the slurry.

[0037] The present invention provides a laterite nickel ore high-pressure leaching flash tank, wherein the upper end of the tank body 1 is provided with a steam outlet 11, the lower end is provided with a drain port 12 and the side is provided with a liquid inlet 13; the shell 21 is provided in the tank body 1, the shell 21 is provided with a cavity and an inlet 2121 and an outlet 2122 communicating with the cavity, the outlet 2122 is located at the bottom of the shell 21, the inlet 2121 is connected to the liquid inlet 13, the upper end of the rotating shaft 22 is rotatably installed in the cavity and the lower end extends from the outlet 2122 to the outside of the cavity, the impeller 23 is located in the cavity and is connected to the upper end of the rotating shaft 22; the stirring assembly is installed at the lower end of the rotating shaft 22, and the stirring assembly is used to extend Into the slurry. When in use, the high-speed flowing slurry flows into the shell 21 from the liquid inlet 13 and drives the impeller 23 to rotate. By driving the impeller 23 to rotate, the energy of the slurry is consumed, and the flow rate of the slurry is slowed down, so that it enters the bottom of the tank body 1 at a relatively slow speed. At the same time, the rotation of the impeller 23 drives the stirring component to rotate, and the stirring component is located in the slurry at the bottom of the tank body 1. The stirring component can stir the slurry at the bottom of the tank body 1 to avoid slurry precipitation. By arranging the buffer component 2 and the stirring component, the high-speed slurry can be avoided from scouring and wearing the tank body 1, and the high-speed liquid flow can be used to stir the bottom slurry.

[0038] Furthermore, in this embodiment, the impeller 23 includes a base 231 and a lower cover 232, and a plurality of blades 2311 are convexly formed on the lower side of the base 231, and the plurality of blades 2311 are arranged at intervals along the circumference of the base 231, and each of the blades 2311 extends from the outer periphery of the base 231 toward the middle of the base 231 along the direction of rotation. An opening 2321 is penetrated in the middle of the lower cover 232, and the opening 2321 is arranged corresponding to the outlet 2122. The lower cover 232 is arranged on the lower side of the plurality of blades 2311. Specifically, the two adjacent blades 2311 and the base 231 and the lower cover 232 together enclose a channel, and the channel is arranged corresponding to the inlet 2121 and the opening 2321. When the slurry enters the cavity from the inlet 2121, it flows through the channel to the opening 2321 to drive the impeller 23 to rotate. By setting the base 231 and the lower cover 232, the slurry can be restricted to prevent the slurry from splashing upward or downward.

[0039] Furthermore, the outlet 2122 is located in the middle of the housing 21 , corresponding to the impeller 23 , and the cross-sectional area of ​​the inlet 2121 is smaller than that of the outlet 2122 . This arrangement can reduce the flow rate of the slurry flowing out of the housing 21 .

[0040] Furthermore, each of the blades 2311 is arranged in an arc shape, has good guiding properties, and can guide the slurry.

[0041] Furthermore, the opening 2321 is configured to gradually expand from bottom to top, and the lower side of the blade 2311 is configured to gradually tilt downward from the outer periphery of the base 231 toward the middle of the base 231, so that the lower side of the blade 2311 is compatible with the upper side of the lower cover 232. Specifically, the opening 2321 is configured in a bell-shaped manner, which can guide the slurry downward, allowing the slurry to flow smoothly out of the opening 2321.

[0042] Furthermore, the housing 21 includes a mounting plate 211 and an annular shell plate 212. The mounting plate 211 is mounted in the tank body 1. The annular shell plate 212 is detachably mounted on the lower side of the mounting plate 211. The annular shell plate 212 and the mounting plate 211 together enclose the cavity. The side of the annular shell plate 212 is provided with the inlet 2121, and the bottom of the annular shell plate 212 is provided with the outlet 2122. Specifically, the mounting plate 211 is disc-shaped and connected to the side wall of the tank body 1. The annular shell plate 212 is disc-shaped as a whole. The annular shell plate 212 is mounted in the middle of the mounting plate 211 so that the mounting plate 211 and the annular shell plate 212 are coaxially arranged. The mounting plate 211 and the annular shell plate 212 are detachably connected, which is convenient for installation and replacement, and facilitates later maintenance.

[0043] Furthermore, the installation form of the annular shell plate 212 and the mounting plate 211 is not limited. In this embodiment, the annular shell plate 212 is rotatably mounted on the mounting plate 211. The lower side of the mounting plate 211 is provided with a mounting hole 2111, and one side of the mounting hole 2111 is extended with an anti-slip groove 2112. The mounting hole 2111 and the anti-slip groove 2112 are arranged in sequence along the rotation direction of the impeller 23. The width of the mounting hole 2111 is greater than the width of the anti-slip groove 2112. The upper side of the annular shell plate 212 is provided with a mounting hole 2111. A boss is provided on the side, and the boss has a first raised section 2123 and a second raised section 2124 stacked in sequence from bottom to top. The anti-slip groove 2112 is adapted to the first raised section 2123, and the mounting hole 2111 is adapted to the second raised section 2124. The boss extends into the mounting hole 2111, and when the annular shell plate 212 rotates, the first raised section 2123 slides from the mounting hole 2111 to the anti-slip groove 2112, so that the annular shell plate 212 is fixed to the annular shell plate 212.

[0044] Specifically, the mounting hole 2111 and the anti-slip groove 2112 are both arc-shaped and concentric with the mounting plate 211. Correspondingly, the boss is also arc-shaped and concentric with the mounting plate 211. When in use, first, the boss is aligned with the mounting hole 2111 and inserted into the mounting hole 2111. Then, the annular shell plate 212 is rotated so that the boss slides from the anti-slip groove 2112. The anti-slip groove 2112 limits the boss, thereby fixing the annular shell plate 212. The purpose is to prevent the annular shell plate 212 from accidentally falling off during operation by pausing the introduction of the slurry and then rotating the annular shell plate 212 in the opposite direction. The annular shell plate 212 is easily removed by simply rotating the annular shell plate 212 in the opposite direction. The operation is simple, the maintenance is convenient, and the downtime is reduced.

[0045] Furthermore, the length of the mounting hole 2111 is the same as that of the anti-slip groove 2112 , and correspondingly, the length of the boss is the same as that of the mounting hole 2111 .

[0046] Furthermore, when the slurry enters the tank body 1, a large amount of steam is generated, which is discharged outside the tank body 1 through the steam outlet 11 at the top of the tank body 1. The mounting plate 211 is located in the middle of the tank body 1 and connected to the side wall of the tank body 1. To prevent the mounting plate 211 from interfering with the discharge of steam, in this embodiment, the mounting plate 211 is hollowed out. This configuration allows steam to smoothly pass through the hollowed-out portion of the mounting plate 211 and be discharged from the steam outlet 11.

[0047] Furthermore, in this embodiment, the inlet 2121 extends along a tangential direction of the impeller 23. The laterite nickel ore high-pressure leaching flash tank further includes a connecting pipe 5, which extends from the outside of the tank body 1 into the tank body 1. One end of the connecting pipe 5 located within the tank body 1 is connected to the inlet 2121, and the connecting pipe 5 is aligned with the inlet 2121 along the extension direction of the impeller 23. This arrangement ensures that after the slurry enters the cavity, the main force acts on the blades 2311.

[0048] Furthermore, the connecting pipe 5 is arranged in an arc shape at one end of the tank body 1 to adapt to the outer circumference of the annular shell plate 212 , thereby preventing the connecting pipe 5 from interfering with the installation and removal of the annular shell plate 212 .

[0049] Furthermore, the slurry is discharged from the outlet 2122 into the bottom of the tank body 1. To improve the flash evaporation efficiency, in this embodiment, the laterite nickel ore high-pressure leaching flash tank further includes a plurality of liquid baffles 4. The plurality of liquid baffles 4 are disposed on the rotating shaft 22, are spaced apart along the circumference of the rotating shaft 22, and are located between the stirring assembly and the impeller 23. The plurality of liquid baffles 4 are disposed corresponding to the outlets 2122. When the slurry is discharged from the outlet 2122, it first contacts the plurality of liquid baffles 4. Driven by the rotating shaft 22, the plurality of liquid baffles 4 rotate, thereby breaking up some of the slurry, expanding the exposed area of ​​the slurry, and thus improving the flash evaporation efficiency.

[0050] Furthermore, in this embodiment, the liquid baffle 4 is arranged at an angle. This arrangement can increase the area of ​​the liquid baffle 4 in the horizontal direction, thereby increasing the contact area between the liquid baffle 4 and the slurry.

[0051] Furthermore, in this embodiment, the stirring assembly includes a propulsion stirring paddle 3, and the propulsion stirring paddle 3 is used to disturb, mix and float the materials.

[0052] In the description of this application, it should be noted that when there are directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. Unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0053] It should be noted that, in this application, relational terms such as "first" and "second" are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also include elements inherent to such process, method, article or equipment. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the presence of other identical elements in the process, method, article or equipment comprising the elements. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A or scheme B or a scheme that A and B meet simultaneously. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0054] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with this technical field within the technical scope disclosed by the present invention should be covered by the scope of protection of the present invention.

Claims

1. A flash evaporation tank for high-pressure leaching of laterite nickel ore, Characterized in that, It includes: A tank body, with a steam outlet at the upper end of the tank body, a liquid discharge port at the lower end, and a liquid inlet at the side; A buffer assembly, including a housing, a rotating shaft and an impeller. The housing is arranged inside the tank body. The housing is provided with a cavity, an inlet and an outlet communicating with the cavity. The outlet is located at the bottom of the housing. The inlet is connected to the liquid inlet. The upper end of the rotating shaft is rotatably installed inside the cavity, and the lower end extends out of the cavity from the outlet. The impeller is located inside the cavity and is connected to the upper end of the rotating shaft; A stirring assembly, installed at the lower end of the rotating shaft, and the stirring assembly is used to extend into the slurry.

2. The flash evaporation tank for high-pressure leaching of laterite nickel ore according to claim 1, Characterized in that, The impeller includes a base and a lower cover. A plurality of blades are convexly provided on the lower side of the base. The plurality of blades are arranged at intervals along the circumference of the base. Each blade extends from the outer circumference of the base to the middle direction of the base along the rotation direction. An opening is provided through the middle of the lower cover, and the opening corresponds to the outlet. The lower cover is arranged on the lower side of the plurality of blades.

3. The flash evaporation tank for high-pressure leaching of laterite nickel ore according to claim 2, Characterized in that, The opening is arranged to gradually expand from bottom to top, and the lower side surface of the blade is gradually inclined downward from the outer circumference of the base to the middle direction of the base, so that the lower side surface of the blade is adapted to the upper side of the lower cover.

4. The flash evaporation tank for high-pressure leaching of laterite nickel ore according to claim 1, Characterized in that, The housing includes a mounting plate and an annular shell plate. The mounting plate is installed inside the tank body. The annular shell plate is detachably installed on the lower side of the mounting plate. The annular shell plate and the mounting plate jointly enclose the cavity. The inlet is provided on the side of the annular shell plate, and the outlet is provided at the bottom of the annular shell plate.

5. The flash evaporation tank for high-pressure leaching of laterite nickel ore according to claim 4, Characterized in that, The annular shell plate is rotatably installed on the mounting plate. A mounting hole is provided on the lower side of the mounting plate. A retaining groove extends from one side of the mounting hole. The mounting hole and the retaining groove are arranged in sequence along the rotation direction of the impeller. The width of the mounting hole is greater than the width of the retaining groove; A convex column is provided on the upper side of the annular shell plate. The convex column has a first convex rising section and a second rising section stacked in sequence from bottom to top. The retaining groove is adapted to the first rising section, and the mounting hole is adapted to the second rising section. The convex column extends into the mounting hole. When the annular shell plate rotates, the first rising section slides from the mounting hole into the retaining groove, so that the annular shell plate is fixed to the annular shell plate.

6. The flash evaporation tank for high-pressure leaching of laterite nickel ore according to claim 4, Characterized in that, The circumference of the mounting plate is provided with a hollow.

7. The flash evaporation tank for high-pressure leaching of laterite nickel ore according to claim 1, Characterized in that, The inlet extends along the tangent direction of the impeller; The high-pressure leaching flash tank for laterite nickel ore further includes a connecting pipe. The connecting pipe extends from outside the tank into the tank, and one end of the connecting pipe located inside the tank is docked with the inlet. The connecting pipe is aligned with the inlet along the extending direction of the impeller.

8. The high-pressure leaching flash tank for laterite nickel ore according to claim 1, characterized in that the high-pressure leaching flash tank for laterite nickel ore further includes a plurality of liquid baffle plates. The plurality of liquid baffle plates are arranged on the rotating shaft. The plurality of liquid baffle plates are spaced circumferentially along the rotating shaft, and the plurality of liquid baffle plates are located between the stirring assembly and the impeller.

9. The high-pressure leaching flash tank for laterite nickel ore according to claim 8, characterized in that the liquid baffle plates are inclined.

10. The high-pressure leaching flash tank for laterite nickel ore according to claim 1, characterized in that the stirring assembly includes a propeller agitator, and the propeller agitator is used to disturb and mix the materials and make them float.

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