A kind of dissolution kettle
The utility model is related to technical field of chemical, more particularly, to a kind of dissolution kettle.
Dissolving is the phase transition process that material is changed into liquid phase by solid phase.In the electric industry of lithium, production precursor material, it is necessary to
Solid metal salt is dissolved into liquid metals salt, solid metal salt is generally disposably all added tank body by existing dissolution kettle
Interior, metal salt bulk deposition causes dissolved efficiency relatively low in tank base.
Utility model content
The utility model provides a kind of dissolution kettle, the defect for overcoming prior art, it is intended to improve the molten of solid material
To achieve the above object, the utility model provides a kind of dissolution kettle, and the dissolution kettle includes：
Kettle, with the space for accommodating reaction solution, top has opening, and bottom has liquid outlet, internal rotatable
Ground is connected with agitator；
Top cover, is set over said opening, and with the fixed or movable connection of the kettle, through-thickness offers at least
One inlet that liquid material is added into the kettle adds the charging of solid material with least one into the kettle
Loading hopper, is fixed on the charging aperture, and in funnel-form.
Further, the loading hopper also includes：
Guide passage, top is fixed on the loading hopper, and bottom extends into the kettle, and from top to bottom gradually to
The kettle sidewall direction is tilted.
Further, the guide passage annular in shape or helical form in the cross-sectional direction of the kettle.
Further, the guide passage linear or arc line shaped on the longitudinal section direction of the kettle.
Further, the dissolution kettle also includes：
Temperature sensor, induction end is located in the kettle；
Heater, is arranged at the kettle middle and lower part；
Controller, input connects the temperature sensor, and output end connects the heater, is passed according to the temperature
The temperature signal of sensor input and the comparative result of temperature threshold control the startup and closing of the heater.
Further, the heater includes：
Fixed mount, including at least three vertical rods, are set, top is fixed on the top cover for one week around the kettle madial wall
On, bottom is fixed on the kettle, and middle part is fixed on the inside of the kettle by fastener；
Heating tube, coiling, which is arranged at the fixed mount and enclosed, in the shape of a spiral sets in the space to be formed.
Further, the heating tube includes electric heating tube, and the controller output end connects the electricity of the electric heating tube
Source control end.
Further, heat exchange medium is connected with inside the heating tube, the porch of the heating tube is provided with for opening
The electrically operated valve of the heating tube inner passage is closed, the controller output end connects the control end of the electrically operated valve.
Further, the heater includes：
Chuck, is sheathed on the kettle lateral wall and bottom, and with entrance and exit, inside is connected with thermostatic medium, described
Entrance connection thermostatic medium source；
Circulating pump, suction inlet connects the outlet of the chuck.
Further, the agitator includes：
Motor, driving force is provided for the rotation of agitating shaft；
The agitating shaft, is connected with the motor output end, and is set along the central axial direction of the kettle；
Agitating paddle, is arranged on around the agitating shaft, including at least two layers spaced blade；
The dissolution kettle also includes：
Baffle plate, in flat strip shaped, length is axially arranged along the kettle, and side is fixed on the kettle madial wall, wide
Degree is radially arranged along the kettle；
Liquid level sensor, induction end is located in the kettle, and output end connects the controller；
The controller, output end connect setting the inlet valve, for defeated according to the liquid level sensor
The liquid level signal and the comparative result of level threshold that enter control the opening and closing of the inlet；
Support, is fixedly connected outside the kettle, and with the base of the motor.
The dissolution kettle that the utility model is provided, liquid material is entered in kettle by inlet, and solid material passes through funnel
Loading hopper is slowly imported in kettle, and blanking is smooth, is not easily blocked；While charging, start agitator and stir so that kettle
Interior solid, liquid Flow of Goods and Materials is simultaneously sufficiently mixed dissolving, so that the dissolved efficiency of solid material is improved, when solids in reactor
Flowed out after material fully dissolving by the liquid outlet of autoclave body bottom, compared with the prior art, substantially increase the dissolved efficiency of solid material.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram for the dissolution kettle that the utility model embodiment one is provided；
Fig. 2 is Fig. 1 top view；
Fig. 3 is the partial structural diagram for the dissolution kettle that the utility model embodiment two is provided.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, ordinary skill people institute under the premise of creative work is not made
The every other embodiment obtained, belongs to the scope of the utility model protection.
As shown in Figure 1 and Figure 2, the utility model provides a kind of dissolution kettle, including kettle 1, top cover 2 and loading hopper 3；Kettle 1
With receiving space, top has opening 11, and bottom has liquid outlet 12, and inside is rotatably connected agitator 4；Top cover 2
It is arranged in opening 11, and is hinged or is detachably connected with kettle 1, at least one is offered to kettle on the through-thickness of top cover 2
The inlet 21 that liquid material is added in body 1 adds the charging aperture 22 of solid material with least one into kettle 1；Loading hopper 3
It is fixed on charging aperture 22, and loading hopper 3 is in funnel-form, for solid material (being metal salt in the present embodiment) to be imported into kettle
In body 1.
In the embodiment of the utility model one, top cover 2 is hinged with kettle 1, and the side that top cover 2 can be overturn to kettle 1 is exposed
Go out opening 11 or overturn to kettle 1 and cover opening 11, be easily installed and check in the internal components of kettle 1 and cleaning kettle 1
Portion；In simultaneously another embodiment of utility model, top cover 2 is detachably connected with kettle 1, and effect is ibid.Inspection device for convenience,
Manhole 10 can also be set on top cover 2.
Loading hopper 3 is in funnel-form, and adding its internal solid metal salt can slowly enter in kettle 1 along the side wall of funnel
Portion, can now be stirred the solid material and the liquid material that add in kettle 1 while charging by starting agitator 4,
So as to the dissolving of accelerating solid material, it is to avoid a large amount of solid materials are packed together, and are difficult to be stirred to influence dissolved efficiency.
Flowed out after solid material fully dissolves in reactor by the liquid outlet 12 of autoclave body bottom, compared with the prior art, due to fixture
Material is slowly imported, while starting agitator stirring solidliquid mixture, substantially increases the dissolved efficiency of solid material.
In this application, agitator 4 includes motor 41, shaft coupling 42, reductor 43, agitating shaft 44 and is arranged on agitating shaft
Agitating paddle 45 around 44, central axial direction of the agitating shaft 44 along kettle 1 is set, and agitating paddle 45 is set including at least two layers interval
The blade put；The output shaft of motor 41 is connected by shaft coupling 42 and the input shaft of reductor 43, and the output shaft of reductor 43 is with stirring
Mix axle 44 to be connected, so that the rotating torque of motor 41 is passed into agitating shaft 44, agitating shaft 44 drives blade to rotate to stir
Mix the solid-liquid material in kettle 1.
Dissolution kettle also includes baffle plate 5 and support 6, and baffle plate 5 is in flat strip shaped, and length is axially arranged along kettle 1, and baffle plate 5 one
Side is fixed on the madial wall of kettle 1, and width is radially arranged along kettle 1；When aqueous agitation in kettle 1, pass through liquid and baffle plate 5
Collision, can effectively lift its dissolution velocity, improve operating efficiency, collide and impact with baffle plate 5 to further increase liquid
Effect, improves dissolution velocity, can also set a plurality of gusset on the two sides of baffle plate 5, in addition, gusset can also increase baffle plate 5
Support 6 is fixedly connected with the base of motor 41.Support 6 is used to support motor 41, reductor 43, reduction kettle 1
Referring to Fig. 3, on the basis of above-described embodiment one, loading hopper 3 also includes guide passage 31, the top of guide passage 31
It is fixed on loading hopper 3, bottom extends into kettle 1, and is gradually tilted from top to bottom to the sidewall direction of kettle 1；Guide passage
31 annular in shape in the cross-sectional direction of kettle 1 or helical forms.Guide passage 31 is linear on the longitudinal section direction of kettle 1
Or arc line shaped.Metal salt in loading hopper 3 can uniformly be trickled down after guide passage 31 close in the inside of kettle 1 by charging aperture
(guide passage 31 is in kettle 1 on side wall one week (guide passage 31 is annular in shape in the cross-sectional direction of kettle 1) or whole liquid level
Cross-sectional direction in the shape of a spiral), shorten mixing cycle, further improve metal salt dissolved efficiency.
In addition, in order to prevent that material from directly contacting with metal material, reduce the introducing of magnetic foreign body, kettle 1, top cover 2 and
Loading hopper 3 is made by PP materials.Apparatus for feeding is connected for convenience, and the funnelform top of loading hopper 3 can also be set on one
Portion extends interface 30, referring to Fig. 3.
It is further preferred that referring again to Fig. 1, Fig. 2, dissolution kettle also includes temperature sensor 7, heater 8 and control
Device (not shown)：The induction end of temperature sensor 7 is located in kettle 1, for test solution internal temperature；Heater 8 is arranged at
The middle and lower part of kettle 1, for being heated to the solution inside kettle 1, to meet the temperature requirement that solution is used；Controller is inputted
End connection temperature sensor 7, output end connection heater 8, the temperature signal and temperature threshold inputted according to temperature sensor 7
Comparative result control heater 8 startup and closing.
By the way that the temperature in the temperature change of solution in kettle 1, such as kettle 1 can be monitored in temperature sensor 7 in real time
Need to be maintained at 65 DEG C~70 DEG C, controller is according to the temperature signal of default frequency collection temperature sensor 7, and by the temperature
Compared after signal conversion with temperature threshold (65 DEG C~70 DEG C), if Current Temperatures are less than 65 DEG C, start heater 8,
If Current Temperatures are higher than 70 DEG C, heater 8 is closed, if Current Temperatures are at 65 DEG C~70 DEG C, starts heating
Device 8 enters holding mode；Steady temperature is maintained inside control kettle 1 accordingly, so as to further improve the molten of solid material
Efficiency is solved, and meets temperature requirement.
Preferably one, heater 8 includes heating tube 81 and fixed mount 82, and fixed mount 82 includes at least three
Root vertical rod, vertical rod is set for one week around 1 madial wall of kettle, is fixed at the top of vertical rod on top cover 2, bottom of upright rod is fixed on kettle 1
On, middle part is fixed on the inner side of kettle 1 by fastener；Heating tube 81 coils to be arranged at fixed mount 82 and enclose in the shape of a spiral sets what is formed
In space.Heating tube 81 includes electric heating tube in the embodiment of the application one, and controller output end connects the power supply of electric heating tube
Control end.In another embodiment of the application, heat exchange medium is connected with inside heating tube 81, two mouths of pipe 83 of heating tube 81 are set
Put on top cover 2, one of air inlet of the mouth of pipe 83, another mouth of pipe 83 is vented, the porch of heating tube 81 is provided with for opening
The electrically operated valve of the inner passage of heating tube 81 is closed, controller output end connects the control end of electrically operated valve.
Preferably two, heater 8 also includes chuck (not shown) and circulating pump (not shown), chuck set
Located at the lateral wall of kettle 1 and bottom, chuck has entrance and exit, and inside is connected with thermostatic medium (being usually water)；Circulate pumping
Entrance connects the outlet of chuck, and the entrance of chuck can connect thermostatic medium source, the ejiction opening connection Water Tank with Temp.-controlled of circulating pump, medium
Steady temperature is heated in Water Tank with Temp.-controlled.
Preferably, dissolution kettle also includes liquid level sensor 9, and the induction end of liquid level sensor 9 is located in kettle 1, and output end connects
Connect controller；Controller output end connect setting is in the valve of inlet 21, and the liquid level for being inputted according to liquid level sensor 9 believes
The opening and closing of inlet 21 number is controlled with the comparative result of level threshold.
Controller compares liquid level signal value and level threshold according to default frequency collection liquid level signal, if the former
In latter range, then control valve is closed, and stops adding liquid material into kettle 1, so as to tentatively control the concentration of solution.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or to which part technical characteristic progress equivalent；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and