A high-pressure leaching reactor with dual power stirring

Abstract

The present application relates to a high-pressure leaching reactor equipped with dual-power agitation, It includes the reactor body, stirring assembly, liquid supply assembly and driving component, The stirring assembly consists of a hollow shaft, a jet nozzle, and a stirring piece, The hollow shaft is connected to the reactor body, The apical external solution of the hollow shaft, The bottom of the hollow shaft is connected to the jet nozzle, The jet nozzle points to the inner bottom wall setting of the reactor body, The stirring piece is mounted on the hollow shaft, The liquid supply assembly is mounted on the reactor body and connected to the hollow shaft, The drive assembly is mounted on the reactor body and connected to the hollow shaft; The supply assembly delivers the solution to the hollow shaft and exports via the jet nozzle, Impact that the bottom of the reactor body blows up the deposited slurry, Mixing solution, Thus forming a hydrodynamic mechanical bidynamic mixing structure, Avoid slurry deposition, Increase in the reaction rate.

Description

[0001] Description

[0002] A HIGH-PRESSURE LEACHING REACTOR WITH DUAL POWER STIRRING

[0003] Technical Field

[0004] The present application relates to the technical field of reaction reactor, in particular to a high pressure leaching reactor with dual power stirring .

[0005] Background Technology

[0006] At present , in the wet smelting method of laterite nickel ore , the pulp, sul furic acid and steam are usually inj ected into the autoclave to extract the nickel and cobalt in laterite nickel ore . Speci fically, the slurry and strong acid are inj ected from the top of the reactor and inj ected with high temperature steam, which forms the high temperature and high pressure strong acid environment inside the reactor .

[0007] In order to improve the reaction ef ficiency, a stirring device is usually equipped in the reactor, for example , a polyester reactor stirring device proposed by the patent of application No . CN202122267204 . X, in which the speci fic mixing structure includes shaft , mixing leaf , flange , motor, mounting plate , cylinder, sealing ring 1 and sealing ring 2 . The motor control shaft drives the mixing leaf to rotate , and the cylinder controls the mixing leaf to stir up and down .

[0008] However, some of the slurry will be deposited at the bottom of the reaction kettle under the action of gravity, and the contact with the acid solution is not suf ficient , af fecting the reaction rate .

[0009] Summary

[0010] In view of this , it is necessary to provide a high-pressure leaching reactor with dual dynamic stirring to solve the problem that part of the slurry will be deposited at the bottom of the reactor under the action of gravity, and the contact with the acid is not suf ficient , af fecting the reaction rate .

[0011] This application provides a high pressure leaching reactor with dual power stirring, Including the reactor body, stirring components , liquid supply components and drive components , The stirring assembly includes a hollow shaft , a j et noz zle , and a stirring piece , The hollow shaft is connected to the reactor body, The apical external solution of the hollow shaft , The bottom of the hollow shaft is connected to the j et noz zle , The j et noz zle points to the inner bottom wall setting of the reactor body, The solution derived from the j et noz zle blows up the slurry deposited at the bottom of the reactor body, The stirring piece is mounted on the hollow shaft , The liquid supply assembly is mounted on the reactor body, And the liquid supply assembly is connected to the hollow shaft , To deliver the solution to the hollow shaft , The drive assembly is mounted on the reactor body, And the output end of the drive assembly i s connected to the hollow shaft , To drive the hollow shaft for rotation .

[0012] Further, the j et noz zle comprises a plurality of first sprinkler heads arranged uni formly along the hollow axis circumference , with the first noz zle being disposed vertically downward and tilted away from the hollow axis .

[0013] Further, the j et noz zle comprises a second noz zle connected to the bottom end of the hollow shaft , which is set down vertically .

[0014] Further, the stirring assembly further comprises an annular guide plate of a tapered structure extending in a vertically downward direction fixed to the tapered inner bottom wall of the reactor body, a conical guide surface , a plurality of the first noz zle set parallel to the conical guide surface , and the second noz zle extending within the annular guide plate .

[0015] Further, the plurality of passing water holes uni formly arranged along the circumferential direction are provided at the edge of the bottom of the annular guide plate ;

[0016] The stirring assembly further comprises a plurality of support rods arranged uni formly along the annular guide plate , the bottom ends of the plurality of support rods are fixed connected to the inner bottom wall of the reactor body, and the top ends of the plurality of support rods are connected to the annular guide plate . Further, the stirring member includes an ascending impeller and a stirring impeller arranged on the hollow shaft in a vertically upward direction flowing in a vertically upward direction, and the rising impeller is di f fused around its rotating driving solution .

[0017] Further, the rising impeller includes an inner ring, an outer ring, and a plurality of rising blades , the inner ring coaxial sleeve provided on the hollow axis , between the inner ring and the outer ring connected by the plurality of the rising blades , the plurality of rising blades uni formly arranged along the inner ring circumference , the top of the rising blade has an inclined plane inclined downward along the direction of rotation of the hollow axis .

[0018] Further, the stirring impeller includes a stirring ring and a plurality of mixing blades disposed on the hollow shaft , a plurality of stirring blades are disposed uni formly disposed along the stirring ring circumference , the mixing blade is a vertical flat plate in an extension direction perpendicular to the stirring ring arrangement .

[0019] Further, the drive assembly includes a motor, a coupling and a rotary j oint mounted on the top of the reactor body, the output end of the motor is sequentially connected to the hollow shaft via the coupling and the rotary j oint , and the supply assembly is connected to the hollow shaft via the rotary j oint .

[0020] Further, the rotary j oint has a cavity, the side of the coupling and the hollow shaft opposite the rotary j oint rotates and seals connected, and extends to the cavity of the rotating j oint in the cavity, and the liquid supply assembly is communicating with the cavity .

[0021] Compared with the existing technology, the liquid supply components to the solution to the hollow shaft and through the j et noz zle , hit the bottom of the body will deposit slurry blow, drive components driven with the hollow shaft mixing parts , to stir solution, to form hydraulic mechanical double dynamic mixing structure , avoid slurry deposition, improve the reaction rate .

[0022] Brief Description Of The Drawings

[0023] FIG . 1 is a schematic diagram of the internal structure of the hori zontal reactor body in the high pressure leach reactor with dual power stirring provided by the embodiment of the present application;

[0024] FIG . 2 is a schematic diagram of the internal structure of the vertical reactor body in the high pressure leach reactor with dual power stirring provided by the embodiment of the present application;

[0025] FIG . 3 is an enlarged view of section A in FIG . 2 o f the high pressure leaching reactor with dual power agitation provided by the embodiment of the present application;

[0026] FIG . 4 is a top view of the annular guide plate in a high-pressure leach reaction kettle with dual power stirring provided by the embodiment of the present application;

[0027] FIG . 5 is a top view of the rising impeller in a high-pressure leaching reactor with dual power stirring provided by the embodiment of the present application;

[0028] FIG . 6 is a top view of the stirring impeller in a high-pressure leaching reaction kettle with dual power stirring provided by the embodiment of the present application;

[0029] FIG . 7 is a schematic diagram of the rotary j oint in a high pressure leaching reaction kettle with dual power stirring provided by the embodiment of the present application .

[0030] Detailed Description Of Preferred Embodiments

[0031] The preferred embodiment of the present application is described in combination with the drawings , wherein the drawings form part of the application and are used with the embodiment of the present application to explain the principles of the application and not to define the scope of the present application .

[0032] As shown in Figure Figure 1-2 , A high pressure leach reactor with dual power stirring, Including a reactor body 100 , a stirring assembly 200 , a liquid supply assembly 300 , and a drive assembly 400 , The stirring assembly 200 includes a hollow shaft 210 , a j et noz zle 220 , and a stirring piece , The hollow shaft 210 and the reactor body 100 are rotational connected, The tip external solution of the hollow shaft 210 , The bottom of the hollow shaft 210 is connected to the j et noz zle 220 , The j et noz zle 220 is directed to the inner bottom wall of the reactor body 100 , The solution derived from the j et noz zle 220 blows up the slurry deposited at the bottom of the reactor body 100, The stirring pieces is mounted on the hollow shaft 210, The liquid supply assembly 300 is mounted on the reactor body 100, And the liquid supply assembly 300 is connected with the hollow shaft 210, To transport the solution to the hollow shaft 210, Drive assembly 400 is mounted on the reactor body 100, And the output end of the drive assembly 400 is connected to the hollow shaft 210, To drive the hollow shaft 210 for rotation.

[0033] In implementation, the liquid supply assembly 300 delivers the solution to the hollow shaft 210 and exports through the jet nozzle 220, and the bottom of the reactor body 100 blows the deposited slurry to the reactor body 100. The driving assembly 400 drives the stirring parts connected to the hollow shaft 210 to stir the solution, thus forming a hydrodynamic mechanical dual dynamic mixing structure to avoid slurry deposition and increase the reaction rate.

[0034] The reactor body 100 in this embodiment is a tank structure conceivable to those skilled in the art and is not much explained here. It is understood that the reactor body 100 may adopt the horizontal structure shown in FIG. 1 or the vertical structure shown in FIG. 2, both of which can realize the intention of the present application .

[0035] In the present embodiment, the mixing assembly 200 is a hydraulic mechanical dual dynamic mixing structure including a hollow shaft 210, a jet nozzle 220 and a stirring member, the hollow shaft 210 is connected to the reactor shaft body 100, the top of the hollow shaft 210, the bottom of the hollow shaft 210 is connected to the jet nozzle 220, the inner bottom wall of the reactor body 100, the jet nozzle 220 blows the slurry deposited at the bottom of the reactor body 100 and the stirring member on the hollow shaft 210.

[0036] Under hydraulic drive, the slurry deposited at the bottom of the reactor body 100 can be blown up, and the solution is stirred under mechanical drive.

[0037] As shown in FIG. 3, in one embodiment, the jet nozzle 220 includes a plurality of first sprinkler heads 221, arranged uniformly along the hollow shaft 210 weeks, with the first nozzle 221 inclined in a vertically downward direction away from the hollow shaft 210.

[0038] To improve the coverage area of the jet nozzle 220, in one embodiment, the jet nozzle 220 includes connecting to the bottom end of the hollow shaft 210 through the second noz zle 222 , and the second noz zle 222 is disposed vertically downward .

[0039] In order to facilitate the flow of the j et noz zle 220 , in one embodiment , the stirring assembly 200 also includes an annular guide plate 223 . The annular guide plate 223 is a tapered structure in a vertical downward direction, the annular guide plate 223 is fixed connected to the tapered inner bottom wall of the reactor body 100 . The annular guide plate 223 has a tapered guide surface , a plurality of first noz zle 221 is disposed parallel to the tapered guide surface , and the second noz zle 222 extends within the annular guide plate 223 .

[0040] Under gravity, the solution above the annular guide plate 223 tends to flow downward into the annular guide plate 223 . To facilitate the slurry deposited in the annular guide plate 223 , a plurality of water holes 223 a are provided at the edge of the bottom of the annular guide plate 223 , and the slurry deposited in the annular guide plate 223 flows out of the annular guide plate 223 through the second noz zle

[0041] 222 under the second noz zle 222 and flows under the action of the first noz zle 221 .

[0042] It is understood that the second noz zle 222 in this embodiment is facing the central position at the bottom of the reactor body 100 . Meanwhile , the reactor body 100 facilitates the accumulated solution on the annular guide plate 223 through the set water hole 223a .

[0043] To improve the stability of the annular guide 223 , in one embodiment , the stirring assembly 200 also includes a plurality of support rods

[0044] 223 b uni formly arranged along the annular guide 223 , the bottom ends of the plurality of rods 223b are fixed to the inner bottom wall of the reactor body 100 , and the tips of the plurality of rods 223b are connected to the annular guide 223 .

[0045] The stirring device in this embodiment includes the ascending impeller 230 and the stirring impeller 240 arranged on the hollow shaft 210 where the upward impeller 230 flows in a vertically upward direction, and the stirring impeller 240 spreads through its rotational drive solution .

[0046] As shown in FIG . 5 , in one embodiment , the rising impeller 230 includes an inner ring 231 , an outer ring 232 , and a plurality of rising blades 233 , the inner ring 231 is coaxially set on the hollow shaft 210 , the inner ring 231 and the outer ring 232 are connected between a plurality of rising blades 233 , the rising blades 233 are uni formly arranged along the inner ring 231 , the top of the rising blade 233 has a inclined plane 234 , the inclined plane 234 is inclined downward along the rotational direction of the hollow shaft 210 .

[0047] As shown in FIG . 6 , in one embodiment , the mixing impeller 240 includes a stirring ring 241 and a plurality of mixing blades 242 , the plurality of mixing blades 242 is disposed uni formly disposed along the mixing ring 241 , the mixing blade 242 being a vertical plate , and the extension direction of the mixing ring 242 perpendicular to the mixing ring 241 .

[0048] The liquid supply assembly 300 in this embodiment includes a water pump, an inlet water pipe and a return pipe , where the inlet end of the pump is connected to the interior of the reactor body 100 through the return pipe , and the inlet end of the pump is connected to the rotary j oint 430 through the inlet pipe .

[0049] The drive assembly 400 of the present embodiment includes a motor 410 , a coupling 420 and a rotary j oint 430 mounted on top of the reactor body 100 , the output of the motor 410 is successively connected to the hollow shaft 210 via the coupling 420 and the rotary j oint 430 , and the liquid supply assembly 300 is connected to the hollow shaft 210 via the rotary j oint 430 .

[0050] As shown in FIG . 7 , in one embodiment , the rotary j oint 430 has a cavity, one side of the coupling 420 and the hollow shaft 210 rotates and seals connected to the rotary j oint 430 and extends into the cavity of the rotary j oint 430 , the hollow shaft 210 is provided at the side wall of the cavity, and the liquid supply assembly 300 communicates with the cavity .

[0051] Compared with the prior art , the liquid supply assembly 300 delivers the solution into the hollow shaft 210 and exports it through the j et noz zle 220 , shocks the bottom of the reactor body 100 to blow the deposited slurry 100 . The drive assembly 400 drives the stirring parts connected to the hollow shaft 210 to stir the solution, thus forming a hydrodynamic mechanical dual dynamic stirring structure to avoid slurry deposition and improve the reaction rate .

[0052] The above mentioned is only the best speci fic embodiment of this application, but the protection scope of this application is not limited to this . Any change or replacement that can be easily imagined within the technical scope of anyone familiar with the technology exposed in this application shall be covered within the protection scope of this application .

Claims

Claims1 . A high pressure leaching reactor with dual power agitation comprising :Reaction kettle ontology;The stirring assembly including a hollow shaft , a j et noz zle and a stirring piece , the hollow shaft is connected to the reactor body, the top external solution of the hollow shaft , the bottom of the hollow shaft is connected to the j et noz zle , the j et head points to the inner bottom wall of the reactor body, the solution derived by the j et head blows up the slurry deposited at the bottom of the reactor body, the stirring piece is mounted on the hollow shaft ;A liquid supply assembly is mounted on the reactor body and the fluid supply assembly is connected to the hollow shaft to deliver the solution to the hollow shaft ;The drive assembly is mounted on the reactor body, and its output is connected to the hollow shaft to drive it for rotation .2 . The high-pressure leach reactor with dual power stirring according to claim 1 , wherein the j et noz zle comprises a plurality of first sprinkler heads uni formly arranged along the hollow axis in a vertical downward direction inclined away from the hollow axis .3 . The high-pressure leach reactor with dual power agitation according to claim 2 , wherein the j et noz zle comprises a hollow shaft bottom end connected to the second noz zle , which is disposed vertically downward .4 . The high-pressure leach reactor with dual power agitation of claim3. wherein the stirring assembly further comprising an annular guide plate with a tapered structure connected to the conical inner bottom wall of the reactor body, a tapered guide surface , a plurality of the first noz zle arranged parallel to the tapered guide surface , the second noz zle extending within the annular guide plate .5 . The high-pressure leach reactor with double power stirring according to claim 4 , wherein a plurality of overwater holes uni formlyarranged along its circumferential direction are provided at the edge of the bottom of the annular guide plate ;The stirring assembly further comprises a plurality of support rods arranged uni formly along the annular guide plate , the bottom ends of the plurality of support rods are fixed connected to the inner bottom wall of the reactor body, and the top ends of the plurality of support rods are connected to the annular guide plate .6 . The high-pressure leaching reactor with double power agitation according to claim 1 , wherein the stirring member includes an rising impeller arranged in a vertically upward direction on the hollow shaft that flows in a vertically upward direction, and the stirring impeller is di f fused around its rotating driving solution .7 . The high-pressure leach reactor with dual power stirring of claim 6 , wherein the rising impeller includes an inner ring, the outer ring and a plurality of rising blades , the inner ring coaxial sleeve disposed on the hollow shaft , between the inner ring and the outer ring connected by the plurality of the rising blades , the rising blades arranged uni formly along the inner ring circumference , the upper side having a slope inclined downward along the direction of rotation of the hollow shaft .8 . The high-pressure leach reactor with dual power stirring of claim 6 , wherein the mixing impeller includes a stirring ring and a plurality of mixing blades disposed on the hollow shaft , the plurality of mixing blades uni formly along the stirring ring and a vertical plate in the extension direction perpendicular to the stirring ring arrangement .9 . The high-pressure leach reactor with double power agitation of claim 1 , wherein the drive assembly comprises a motor, a coupling and a rotary j oint , the motor is mounted on the top of the reactor body, the output end of the motor is sequentially connected to the hollow shaft through the coupling and the rotary j oint , and the liquid supply assembly is connected to the hollow shaft through the rotary j oint .10 . The high-pressure leach reactor with double power stirringaccording to claim 9 , wherein the rotary j oint has a cavity, the coupling and the hollow shaft are rotated with the rotary j oint and sealed and extended to the cavity at the side wall of the cavity, and the supply assembly is connected with the cavity .

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