CN111589402A

CN111589402A - Acid-soluble reaction kettle for rare earth ore treatment

Info

Publication number: CN111589402A
Application number: CN202010487474.9A
Authority: CN
Inventors: 吴巧娣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2020-08-28

Abstract

The invention relates to the field of chemical equipment, and discloses an acid-soluble reaction kettle for rare earth ore treatment, which comprises an outer kettle body, a kettle cover, an inner rotating body and a discharge hole; the inner rotating body is vertically arranged in the middle of the inner part of the outer kettle body, two groups of heating power supplies are symmetrically and fixedly arranged in the middle of the left outer side surface and the right outer side surface of the inner rotating body, the inner side of each heating power supply is electrically connected with a heating plate arranged in the inner wall of the inner rotating body, a circle of driven teeth are fixedly arranged at the middle lower part of the outer side surface of the inner rotating body, a group of driving teeth arranged in the power cavity are meshed with the left side of each driven tooth, a group of vertical stirring shafts are arranged in the inner part of the inner rotating body, and the top ends of the stirring; the inside upside of motor case is provided with a set of broken motor, and broken motor's upside output rotates and is connected with a set of vertical broken sword. The invention has the advantages that: the solid-liquid contact area is comprehensive, the stirring force is strong, the reaction speed is high, and the working efficiency is high.

Description

Acid-soluble reaction kettle for rare earth ore treatment

Technical Field

The invention relates to the field of chemical equipment, in particular to an acid-soluble reaction kettle for rare earth ore treatment.

Background

Rare earth minerals exist mainly in mineral form in the earth crust, and there are three main types: as an essential constituent element of a mineral, rare earth is present in the form of an ionic compound in the mineral lattice, and constitutes an essential component of the mineral. Generally, after the rare earth ore is mined, in order to actually utilize the rare earth ore, a series of treatments need to be carried out on the rare earth ore, and the rare earth ore is generally input into an acid reaction kettle for leaching.

Chinese patent (publication No. CN 204017815U, publication No. 2014.12.17) discloses a novel rare earth mineral acid-dissolving reaction kettle, which comprises a tank body, granite and glass fiber reinforced plastic, wherein the inner layer of the tank body is spliced by adhesive tapes to form strip-shaped granite, and the outer layer of the tank body is wound by the glass fiber reinforced plastic. This reation kettle is difficult for ageing, long service life, but this reation kettle is simple tubular structure only, when carrying out acid treatment to some tombarthite ore deposit when using, the internals is too single, to some oversized tombarthite ore deposit, reaction time is longer, and general reation kettle is when carrying out acid dissolution reaction, the mixing dynamics of solid-liquid is not enough, the contact is not enough even, it is slow to lead to reaction speed, more the inside simple (mixing) shaft that only is provided with of very general reation kettle, to the solid-liquid reactant of the inside edge of cauldron and bottom, can't carry out comprehensive stirring, and do not have integrative separation processing apparatus to the solid-liquid after the reaction, whole work efficiency is slower, be unfavorable for the rapid progress of work.

Disclosure of Invention

The invention aims to provide an acid-soluble reaction kettle for rare earth ore treatment, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an acid-soluble reaction kettle for rare earth ore treatment comprises an outer kettle body, a kettle cover, an inner rotating body and a discharge hole; the outer cauldron body sets up to tubular structure, and the bottom of the outer cauldron body is through the firm installation subaerial of three groups rag bolt of equidistant with it. The vertical setting of internal rotator is in the inside intermediate position of the outer cauldron body, and the upper and lower side of the outer cauldron body is the symmetry respectively and is installed the round and supports the spiral plate, supports the spiral plate and rotates to be connected in seting up the rotating chute in outer cauldron internal side wall, and a set of discharge gate that is used for exporting the inside reactant of internal rotator is offered downwards to the bottom lower surface of internal rotator, the lateral surface middle part symmetry fixed mounting has two sets of heating power supply about the internal rotator, and heating power supply's inboard electric connection has the hot plate that sets up in internal rotator inner wall, supplies power to the hot plate through starting heating power supply to order about the hot plate and heat the inside reactant of internal rotator, thereby improve the reaction rate of rare earth ore and acid.

Lower part fixed mounting has the driven tooth of round in the lateral surface of internal rotator, the left side meshing of driven tooth has a set of initiative tooth of setting at the power intracavity portion, the power chamber sets up the outside bellied structure in lower part in outer cauldron body lateral surface, the upside center department of initiative tooth is connected with a set of first rotating electrical machines of fixing at power intracavity top through the axis of rotation, drive the initiative tooth rotation through starting first rotating electrical machines, then carry out the bulk rotation through driven tooth drive internal rotator to realize the independent pivoted ability of internal rotator. The inside of internal rotator is provided with a set of vertical (mixing) shaft, the direction of rotation of (mixing) shaft is opposite with the internal rotator, top-down fixed mounting has evenly distributed's a plurality of sets of stirring vane on the (mixing) shaft, the top of (mixing) shaft stretches into the inside of both sides by the motor case of bracing piece fixing on the internal wall of outer cauldron, the top of (mixing) shaft is rotated and is connected on fixing the agitator motor of the inside downside of motor case, rotate through starting agitator motor drive stirring vane, thereby carry out abundant stirring reaction to the inside tombarthite ore of internal rotator and acid reagent of inputing, then with the rotatory inter combination of internal rotator self, thereby abundant stirs the inside reactant of internal rotator, thereby the speed of very big improvement reaction.

The inside upside of motor case is provided with a set of broken motor, and the upside output of broken motor rotates and is connected with a set of vertical broken sword, and broken sword sets up in the inside of broken passageway, and broken passageway sets up the middle and upper position in outer cauldron internal portion, and the downside intercommunication internal rotator of broken passageway, upside intercommunication have feed bin down, will treat the tombarthite ore deposit and the acidic reagent of reaction to input into feed bin down through opening the kettle cover, then fall the internal portion of internal rotator along broken passageway and react. When some rare earth ores with larger sizes pass through the crushing channel, the crushing motor can be started to drive the crushing cutter to rotate, so that the rare earth ores are properly corrected, and the rare earth ores can be fully reacted with reagents in the inner rotating body.

As a further scheme of the invention: the top of the outer kettle body is hinged with a group of kettle covers in a conical structure, and the middle part of the right side of each kettle cover is fixedly connected to the top of the outer kettle body through a connecting lock.

As a further scheme of the invention: an electric control electromagnetic valve is arranged on the discharge hole.

As a further scheme of the invention: the inner side wall of the inner rotating body is provided with an acid-resistant heat-conducting plate.

As a further scheme of the invention: in order to improve the stability of the heating power supply installed on the outer side of the inner rotating body, the outer side surface of the heating power supply is rotatably connected in the inner side wall of the outer kettle body through a group of rotating rods.

As a further scheme of the invention: the outer kettle body and parts in the inner rotating body, which are in direct contact with the acidic reagent, are made of acid-resistant materials, so that the components are prevented from being damaged due to long-time corrosion.

As a still further scheme of the invention: the interior bottom of internal rotator communicates the top of discharge gate downwards through the guide plate, is provided with a set of solid-liquid separation net that is the toper structure under the discharge gate, and solid-liquid separation net's downside is provided with the liquid collection storehouse, and the border in liquid collection storehouse is provided with the solid collecting vat, separates the solid-liquid after the reaction through solid-liquid separation net, then collects liquid through the liquid collection storehouse, and the solid collecting vat collects the solid to rare earth ore after the reaction carries out quick separation and leaches.

Compared with the prior art, the invention has the beneficial effects that: before the rare earth ore enters the inner rotator, the rare earth ore passes through a crushing channel provided with a crushing cutter, so that the rare earth ore with a large size can be conveniently and properly crushed, and the subsequent rare earth ore can be conveniently and fully contacted with an acid reagent;

the inner rotating body which can rotate independently is arranged in the outer kettle body, the stirring blades which rotate in the opposite direction to the inner rotating body are arranged in the inner rotating body, and the inner rotating body and the stirring blades are combined in a rotating mode, so that the rare earth ore and the acid reagent which are input into the inner rotating body are fully mixed and stirred, and the reaction strength and the reaction speed are improved;

the heating plate capable of heating the reaction temperature in the inner rotating body is arranged in the inner wall of the inner rotating body, so that the temperature in the inner rotating body can be adjusted to the optimal reaction temperature according to the reaction condition, and the reaction efficiency is further improved;

the solid-liquid separation net for solid-liquid separation after reaction is arranged below the inner rotating body, so that the rare earth ore can be rapidly separated out, the multi-process continuous operation of rare earth ore treatment is realized, and the working efficiency is improved;

the invention has the advantages that: the solid-liquid contact area is comprehensive, the stirring force is strong, the reaction speed is high, and the working efficiency is high.

Drawings

FIG. 1 is a schematic diagram of the internal structure of an acid-soluble reaction kettle for rare earth ore treatment.

FIG. 2 is a schematic structural diagram of an outer kettle body in an acid-soluble reaction kettle for rare earth ore treatment.

FIG. 3 is a schematic view of the structure of an internal rotator in an acid-soluble reaction kettle for rare earth ore treatment.

Wherein: the device comprises an outer kettle body 10, a kettle cover 11, a connecting lock 12, a discharging bin 13, a crushing channel 14, foundation bolts 15, a power cavity 16, an inner rotating body 17, a supporting rotating plate 18, a heating power supply 19, driven teeth 20, a discharging port 21, a motor box 22, a crushing cutter 23, a stirring shaft 24, stirring blades 25, a first rotating motor 26, driving teeth 27, a heating plate 28, a solid-liquid separation net 29, a liquid collecting bin 30 and a solid collecting tank 31.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example one

Referring to fig. 1-3, an acid-soluble reaction kettle for rare earth ore treatment comprises an outer kettle body 10, a kettle cover 11, an inner rotator 17, and a discharge port 21; the outer kettle body 10 is arranged to be of a cylindrical structure, and the bottom of the outer kettle body 10 is stably installed on the ground through three groups of anchor bolts 15 at equal intervals. The top of the outer kettle body 10 is hinged with a set of kettle cover 11 which is in a conical structure, and the middle part of the right side of the kettle cover 11 is fixedly connected with the top of the outer kettle body 10 through a connecting lock 12. The vertical setting of internal rotator 17 is at the inside intermediate position of outer cauldron body 10, and the upper and lower side of outer cauldron body 10 symmetry respectively installs the round and supports swivel plate 18, supports swivel plate 18 and rotates to be connected in the rotating chute of seting up in outer cauldron body 10 inside wall, and a set of discharge gate 21 that is used for exporting the inside reactant of internal rotator 17 is offered downwards to the bottom lower surface of internal rotator 17, is provided with electric control's solenoid valve on the discharge gate 21. Two sets of heating power supply 19 are symmetrically and fixedly installed in the middle of the left outer side surface and the right outer side surface of the inner rotating body 17, the inner side of the heating power supply 19 is electrically connected with a heating plate 28 arranged in the inner wall of the inner rotating body 17, the heating plate 28 is powered by starting the heating power supply 19, and therefore the heating plate 28 is driven to heat reactants inside the inner rotating body 17, and the reaction speed of rare earth ores and acidic solution is improved. The inner side wall of the inner rotator 17 is provided with an acid-proof heat-conducting plate.

Lower part fixed mounting has a round of driven tooth 20 in the lateral surface of internal rotation body 17, the left side meshing of driven tooth 20 has a set of initiative tooth 27 that sets up at power cavity 16 inside, power cavity 16 sets up the outside bellied structure of lower part in the lateral surface of external kettle body 10, the upside center department of initiative tooth 27 is connected with a set of first rotating electrical machines 26 of fixing at power cavity 16 internal top through the axis of rotation, it rotates to drive initiative tooth 27 through starting first rotating electrical machines 26, then carry out the bulk rotation through driven tooth 20 drive internal rotation body 17, thereby realize internal rotation body 17 independent pivoted ability. In order to improve the stability of the heating power supply 19 installed on the outer side of the internal rotator 17, the outer side surface of the heating power supply 19 is rotatably connected in the inner side wall of the outer kettle body 10 by a set of rotating rods. The inside of internal rotator 17 is provided with a set of vertical (mixing) shaft 24, the direction of rotation of (mixing) shaft 24 is opposite with internal rotator 17, top-down fixed mounting has evenly distributed's a plurality of sets of stirring vane 25 on the (mixing) shaft 24, the top of (mixing) shaft 24 stretches into the inside of both sides motor case 22 fixed on the internal wall of outer cauldron by the bracing piece, the top of (mixing) shaft 24 is rotated and is connected on fixing the agitator motor of the inside downside of motor case 22, rotate through starting agitator motor drive stirring vane 25, thereby carry out abundant stirring reaction to inputing the inside rare earth ore of internal rotator 17 and acid reagent, then with internal rotator 17 self rotatory inter combination, thereby abundant mix the inside reactant of internal rotator 17, thereby the speed of very big improvement reaction.

The inside upside of motor case 22 is provided with a set of broken motor, the upside output of broken motor rotates and is connected with a set of vertical broken sword 23, broken sword 23 sets up the inside at broken passageway 14, broken passageway 14 sets up the middle and upper position in outer cauldron body 10 is inside, broken passageway 14's downside intercommunication internal rotation body 17, the upside intercommunication has feed bin 13 down, will treat the tombarthite ore and the acidic reagent of reaction and input down feed bin 13 through opening kettle cover 11, then fall the inside of internal rotation body 17 along broken passageway 14 and react. When some rare earth ore with larger size passes through the inner part of the crushing channel 14, the crushing motor can be started to drive the crushing knife 23 to rotate, so that the crushing knife can be properly corrected, and the rare earth ore can be fully reacted with the reagent in the inner rotator 17. The outer kettle body 10 and the parts of the inner rotating body 17 which are in direct contact with the acid reagent are made of acid-resistant materials, so that the parts are prevented from being damaged due to long-time corrosion.

The working principle of the invention is as follows: firstly, rare earth ores to be reacted are conveyed to the inner rotator 17 through the crushing channel 14 along the lower storage bin 13 by opening the kettle cover 11, when some rare earth ores with larger sizes pass through the crushing channel 14, the rare earth ores are properly crushed through the rotation of the crushing cutter 23 so as to be convenient for the rapid reaction inside the inner rotator 17, then the rare earth ores entering the inner rotator 17 react with an acid reagent inside the inner rotator 17, meanwhile, the stirring motor on the lower side inside the motor box 22 is started to drive the stirring blade 25 to rotate, so that the contact area of the rare earth ores and the reagent is accelerated, the first rotating motor 26 is started to drive the inner rotator 17 to rotate integrally, the rotating direction of the inner rotator 17 is opposite to that of the stirring blade 25, so that the inner side and the outer side rotate in opposite directions, and the contact reaction of a rare earth frame and the acid reagent is fully ensured, the solid-liquid mixture after reaction is output by opening the discharge port 21.

Example two

On the basis of the first embodiment, the inner bottom of the inner rotating body 17 is communicated with the top of the discharge port 21 downwards through a guide plate, a group of solid-liquid separation nets 29 with a conical structure is arranged right below the discharge port 21, a liquid collection bin 30 is arranged below the solid-liquid separation nets 29, a solid collection tank 31 is arranged on the periphery of the liquid collection bin 30, solid and liquid after reaction are separated through the solid-liquid separation nets 29, then liquid is collected through the liquid collection bin 30, and the solid is collected by the solid collection tank 31, so that the rare earth ore after reaction is rapidly separated and leached.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. An acid-soluble reaction kettle for rare earth ore treatment comprises an outer kettle body (10), a kettle cover (11), an inner rotating body (17) and a discharge hole (21); the outer kettle body (10) is arranged to be of a tubular structure, the bottom of the outer kettle body (10) is stably arranged on the ground through three groups of anchor bolts (15) at equal intervals, the outer kettle is characterized in that the inner rotary body (17) is vertically arranged at the middle position in the outer kettle body (10), the upper side and the lower side of the outer kettle body (10) are respectively and symmetrically provided with a circle of supporting rotary plate (18), the supporting rotary plate (18) is rotatably connected in a rotary groove formed in the inner side wall of the outer kettle body (10), the lower surface of the bottom of the inner rotary body (17) is downwards provided with a group of discharge holes (21) for outputting internal reactants of the inner rotary body (17), the middle parts of the left outer side and the right outer side of the inner rotary body (17) are symmetrically and fixedly provided with two groups of heating power supplies (19), and the inner side of the heating power supplies (19) is electrically connected, a circle of driven teeth (20) are fixedly installed on the middle lower portion of the outer side face of the inner rotating body (17), a group of driving teeth (27) arranged inside the power cavity (16) are meshed on the left side of the driven teeth (20), the power cavity (16) is arranged on a structure protruding outwards on the middle lower portion of the outer side face of the outer kettle body (10), a group of first rotating motors (26) fixed on the inner top portion of the power cavity (16) is rotatably connected to the center of the upper side of the driving teeth (27) through rotating shafts, a group of vertical stirring shafts (24) are arranged inside the inner rotating body (17), the rotating direction of the stirring shafts (24) is opposite to that of the inner rotating body (17), a plurality of groups of stirring blades (25) which are uniformly distributed are fixedly installed on the stirring shafts (24) from top to bottom, the tops of the stirring shafts (24) extend into the inner portions of motor boxes (22, the top end of the stirring shaft (24) is rotationally connected to a stirring motor fixed on the lower side in the motor box (22); the inside upside of motor case (22) is provided with a set of broken motor, and broken motor's upside output rotates and is connected with a set of vertical broken sword (23), and broken sword (23) set up in the inside of broken passageway (14), and broken passageway (14) set up in the middle and upper position of outer cauldron body (10) inside, and rotator (17) in the downside intercommunication of broken passageway (14), upside intercommunication have feed bin (13) down.

2. The acid-soluble reaction kettle for rare earth ore treatment as claimed in claim 1, wherein a set of kettle covers (11) with a conical structure is hinged to the top of the outer kettle body (10), and the middle part of the right side of the kettle cover (11) is fixedly connected to the top of the outer kettle body (10) through a connecting lock (12).

3. The acid dissolution reaction kettle for rare earth ore treatment according to claim 2, wherein an electrically controlled solenoid valve is provided on the discharge port (21).

4. An acid dissolving reaction kettle for rare earth ore processing according to claim 3, wherein the inner side wall of the inner rotator (17) is provided with an acid-proof heat conducting plate.

5. The acid-soluble reaction kettle for rare earth ore treatment according to claim 4, wherein the outer side surface of the heating power supply (19) is rotatably connected to the inner side wall of the outer kettle body (10) through a set of rotating rods.

6. An acid dissolution reaction kettle for rare earth ore treatment according to claim 5, wherein the parts of the inner rotating body (17) and the outer kettle body (10) which are in direct contact with the acid reagent are made of acid-resistant materials.

7. The acid-soluble reaction kettle for rare earth ore treatment according to any one of claims 1 to 6, wherein the inner bottom of the inner rotating body (17) is communicated with the top of the discharge port (21) downwards through a guide plate, a group of solid-liquid separation nets (29) with a conical structure is arranged right below the discharge port (21), a liquid collection bin (30) is arranged below the solid-liquid separation nets (29), and a solid collection tank (31) is arranged on the periphery of the liquid collection bin (30).