Acid leaching residue cyanogen and fluorine removal equipment

Abstract

The utility model discloses acid leaching residue cyanogen and fluorine removal equipment which comprises a reaction kettle, the upper part of the reaction kettle is fixedly connected with a feeding box, the inner wall of the reaction kettle is fixedly connected with four groups of mounting blocks, the other ends of the mounting blocks are fixedly connected with a falling net, and the falling net is of a structure with a high middle part and a low outer side; a first bevel gear is rotationally connected to one side of the interior of the reaction kettle, a second bevel gear is connected to the lower portion of the first bevel gear in a meshed mode, a mounting plate is rotationally connected to the tail of the second bevel gear, the mounting plate is fixedly connected to the inner wall of the reaction kettle, and a plurality of stirring pipes are fixedly connected to the outer side of the exterior of the second bevel gear; a liquid passing pipe is fixedly connected to the inner wall of one side of the reaction kettle, the liquid passing pipe, the second bevel gear and the interior of the stirring pipe are communicated, a discharging pipe is fixedly connected to the lower portion of the reaction kettle, acid leaching residues and a cyanogen removal and fluorine removal solution can be evenly dispersed in the reaction kettle, and the reaction efficiency of the acid leaching residues and the cyanogen removal and fluorine removal solution is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust removal equipment technical field, concretely is a kind of cyanide and fluorine removal equipment of acid leaching residue. BACKGROUND

[0002] Acid leaching residue is solid waste left after target metal is leached by acid (such as sulfuric acid, hydrochloric acid, aqua regia) in metal smelting, mineral processing and other industries, usually containing unextracted metal, acid radical ion and harmful impurities (such as cyanide, fluoride, heavy metal).

[0003] For the removal of cyanide (CN-) and fluoride (F-) in acid leaching residue, chemical treatment and physical separation technology need to be combined, usually needing to put acid leaching residue into a reaction kettle, and then putting cyanide and fluoride removal solvent (usually including oxidizing agent for cyanide removal and precipitating agent for fluoride removal) into the reaction kettle, but the two are accumulated inside the reaction kettle after being put into the reaction kettle, causing uneven mixing of the two, and low reaction efficiency. INVENTION CONTENTS

[0004] The utility model aims at providing a kind of cyanide and fluorine removal equipment of acid leaching residue to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of cyanide and fluorine removal equipment of acid leaching residue, including reaction kettle, the upper portion of the reaction kettle is fixedly connected with feed tank, the inner wall of the reaction kettle is fixedly connected with four groups of mounting blocks, the other end of the mounting block is fixedly connected with falling net, the falling net is middle high outer low structure, the inside one side of the reaction kettle is rotatably connected with first bevel gear, the lower portion of the first bevel gear is meshingly connected with second bevel gear, the tail of the second bevel gear is rotatably connected with mounting plate, the mounting plate is fixedly connected on the inner wall of reaction kettle, the outer side of the second bevel gear is fixedly connected with several groups of stirring pipe, the inner wall of the side of the reaction kettle is fixedly connected with liquid passage, the liquid passage, second bevel gear and stirring pipe are internally communicated, the lower portion of the reaction kettle is fixedly connected with discharge pipe.

[0006] Preferably, the inside both sides of the mounting plate are provided with communicating grooves.

[0007] Preferably, the inside both sides of the mounting plate are provided with communicating grooves.

[0008] Preferably, the first bevel gear tail is fixedly connected with a connecting gear, the outer side of the connecting gear is engaged with two groups of eccentric gears, one side of the middle part of the eccentric gear is fixedly connected with a second rotating shaft, one end of the second rotating shaft is rotatably connected with a mounting frame, the mounting frame is fixedly connected to the outer side of the reaction kettle, the outer side of the mounting frame is fixedly connected with a second motor, and the power end of the second motor is fixedly connected with the second rotating shaft.

[0009] Preferably, a plurality of communication holes are formed in the lower part of the stirring pipe.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] 1、The acid leaching residue slides from the middle part of the falling net to the periphery, which is convenient for the acid leaching residue to fall into the lower part of the reaction kettle evenly, the acid leaching residue that slides to the edge of the falling net falls from the communication part between the falling net and the reaction kettle, so that the acid leaching residue is dispersed in the reaction kettle, the cyanide and fluorine removal solution is added to the second bevel gear through the liquid pipe, and then is evenly dispersed in the acid leaching residue through the stirring pipe and the communication hole in the lower part, so that the acid leaching residue and the cyanide and fluorine removal solution can be evenly dispersed in the reaction kettle, and the reaction efficiency of the two is improved.

[0012] 2、The utility model also drives the second rotating shaft on the other side to rotate through the transmission belt, so that the eccentric gears on the two sides are engaged with the connecting gear respectively, thereby driving the first bevel gear to rotate back and forth, and the stirring pipe is driven to rotate back and forth through the second bevel gear, so that the stirring and mixing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the first perspective three-dimensional structure schematic diagram of the utility model;

[0014] Figure 2 It is the second perspective three-dimensional structure sectional view of the utility model;

[0015] Figure 3 It is the third perspective feed box structure schematic diagram of the utility model;

[0016] Figure 4 It is the fourth perspective mounting frame structure schematic diagram of the utility model.

[0017] In the drawing: 1, reaction kettle; 2, feed box; 3, mounting block; 4, falling net; 5, first bevel gear; 6, second bevel gear; 7, stirring pipe; 8, communication hole; 9, mounting plate; 10, liquid pipe; 11, discharge pipe; 12, communication groove; 13, crushing roller; 14, first rotating shaft; 15, direction-changing gear; 16, first motor; 17, connecting gear; 18, eccentric gear; 19, second rotating shaft; 20, transmission belt; 21, second motor; 22, mounting frame. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0019] Please refer to Figures 1-4 The utility model provides a technical scheme: a kind of cyanide and fluorine removal equipment of acid leaching residue, reaction kettle 1 is fixedly welded with feed tank 2 on upper portion, four groups of mounting block 3 are fixedly welded with reaction kettle 1 inner wall, mounting block 3 other end is fixedly welded with net 4, net 4 is middle high outer low structure, acid leaching residue is added in reaction kettle 1 from feed tank 2, acid leaching residue slides from the middle of net 4 to all around, it is convenient for acid leaching residue to evenly fall into the lower portion of reaction kettle 1, acid leaching residue sliding to the edge of net 4 is dropped from the intercommunication of net 4 and reaction kettle 1, prevent acid leaching residue to stay on the upper portion of net 4, first bevel gear 5 is rotatably installed in the inside one side of reaction kettle 1, second bevel gear 6 is meshedly connected with the lower portion of first bevel gear 5, mounting plate 9 is rotatably installed in the tail of second bevel gear 6, mounting plate 9 is fixedly welded in the inner wall of reaction kettle 1, a plurality of groups of stirring pipe 7 are fixedly welded on the outside of the outside of second bevel gear 6, first bevel gear 5 drives second bevel gear 6 to rotate, to drive stirring pipe 7 to rotate, liquid pipe 10 is fixedly welded on the inner wall of one side of reaction kettle 1, liquid pipe 10, second bevel gear 6 and stirring pipe 7 are internally communicated, the solution of cyanide and fluorine removal is added to the inside of second bevel gear 6 from liquid pipe 10, then evenly dispersed in acid leaching residue from stirring pipe 7, improve the mixing efficiency of both, discharge pipe 11 is fixedly welded in the lower portion of reaction kettle 1, discharge pipe 11 is controlled by solenoid valve, and unified discharge is carried out to the reacted substance;

[0020] The installation plate 9 is internally provided with two communicating grooves 12 on both sides to prevent the acid leaching residue from staying in the installation plate 9; two groups of first rotating shafts 14 are rotatably installed in the feeding box 2, and the first rotating shafts 14 are fixedly welded with the meshing variable direction gears 15 at one end penetrating through the feeding box 2, the first rotating shafts 14 are fixedly welded with the crushing rollers 13 at the outer side, the first motor 16 is flange-mounted at the outer side of the feeding box 2, and the power end of the first motor 16 is connected with the first rotating shaft 14 at one side through a shaft coupling; when the acid leaching residue is put into the feeding box 2, the first motor 16 drives the first rotating shaft 14 at one side to rotate the first rotating shaft 14 at the other side through the variable direction gear 15, so that the crushing rollers 13 at both sides crush the acid leaching residue, which is beneficial to improve the contact area of the acid leaching residue with the cyanide and fluorine removal solvent; the second end of the first bevel gear 5 is fixedly welded with the connecting gear 17 penetrating through the reaction kettle 1, the connecting gear 17 is meshingly connected with two groups of eccentric gears 18 at the outer side, the second rotating shaft 19 is fixedly welded at one side in the middle of the eccentric gear 18, the second rotating shaft 19 is rotatably connected with the mounting frame 22 at one end, the mounting frame 22 is fixedly welded at the outer side of the reaction kettle 1, the transmission belt 20 is sleeved at the outer side of the two groups of second rotating shafts 19, the second motor 21 is flange-mounted at the outer side of the mounting frame 22, and the power end of the second motor 21 is connected with the second rotating shaft 19 through a shaft coupling; the second motor 21 drives the second rotating shaft 19 at one side to rotate the second rotating shaft 19 at the other side through the transmission belt 20, so that the eccentric gears 18 at both sides are respectively meshed with the connecting gear 17, thereby driving the first bevel gear 5 to reciprocatingly rotate, driving the stirring pipe 7 to reciprocatingly rotate through the second bevel gear 6, and thereby improving the stirring and mixing efficiency; the stirring pipe 7 is provided with a plurality of communicating holes 8 at the lower part, so that the cyanide and fluorine removal liquid can flow down through the communicating holes 8, and the cyanide and fluorine removal liquid is mixed with the acid leaching residue more uniformly.

[0021] Working principle: when the acid leaching residue is added into the reaction kettle 1 from the feeding box 2, the first motor 16 drives the first rotating shaft 14 at one side to rotate the first rotating shaft 14 at the other side through the variable direction gear 15, so that the crushing rollers 13 at both sides crush the acid leaching residue, the acid leaching residue slides from the middle of the falling net 4 to the periphery, which is convenient for the acid leaching residue to uniformly fall into the lower part of the reaction kettle 1, the acid leaching residue sliding to the edge of the falling net 4 falls from the communication between the falling net 4 and the reaction kettle 1, so that the acid leaching residue is dispersed in the reaction kettle 1, the cyanide and fluorine removal solution is added into the second bevel gear 6 from the liquid inlet pipe 10, and then is uniformly dispersed in the acid leaching residue from the stirring pipe 7 and the communicating holes 8 at the lower part, the second motor 21 drives the second rotating shaft 19 at one side to rotate the second rotating shaft 19 at the other side through the transmission belt 20, so that the eccentric gears 18 at both sides are respectively meshed with the connecting gear 17, thereby driving the first bevel gear 5 to reciprocatingly rotate, driving the stirring pipe 7 to reciprocatingly rotate through the second bevel gear 6, and thereby improving the stirring and mixing efficiency.

[0022] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0023] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A device for removing cyanide and fluorine from acid leaching residue, comprising a reaction kettle (1), characterized in that: The upper part of the reaction kettle (1) is fixedly connected with a feeding box (2), the inner wall of the reaction kettle (1) is fixedly connected with four groups of mounting blocks (3), the other end of the mounting block (3) is fixedly connected with a falling net (4), the falling net (4) is high in the middle and low on the outside, the inside of the reaction kettle (1) is rotatably connected with a first bevel gear (5), the lower part of the first bevel gear (5) is meshedly connected with a second bevel gear (6), the tail of the second bevel gear (6) is rotatably connected with a mounting plate (9), the mounting plate (9) is fixedly connected to the inner wall of the reaction kettle (1), the outside of the second bevel gear (6) is fixedly connected with a plurality of groups of stirring pipes (7), the side wall of the reaction kettle (1) is fixedly connected with a liquid passage pipe (10), the liquid passage pipe (10), the second bevel gear (6) and the stirring pipe (7) are in communication, and the lower part of the reaction kettle (1) is fixedly connected with a discharge pipe (11).

2. The acid leaching residue cyanide and fluorine removal equipment according to claim 1, characterized in that: The inside of the mounting plate (9) is provided with a communication groove (12) on both sides.

3. The acid leaching residue cyanide and fluorine removal equipment according to claim 1, characterized in that: The inside of the feeding box (2) is rotatably connected with two groups of first rotating shafts (14), one end of the first rotating shaft (14) penetrates the feeding box (2) and is fixedly connected with a meshing direction-changing gear (15), the outside of the first rotating shaft (14) is fixedly connected with a crushing roller (13), the outside of the feeding box (2) is fixedly connected with a first motor (16), and the power end of the first motor (16) is fixedly connected with the first rotating shaft (14) on one side.

4. The acid leaching residue cyanide and fluorine removal equipment according to claim 1, characterized in that: The tail of the first bevel gear (5) penetrates the reaction kettle (1) and is fixedly connected with a connecting gear (17), the outside of the connecting gear (17) is meshedly connected with two groups of eccentric gears (18), one side of the middle of the eccentric gear (18) is fixedly connected with a second rotating shaft (19), one end of the second rotating shaft (19) is rotatably connected with a mounting frame (22), the mounting frame (22) is fixedly connected to the outside of the reaction kettle (1), the outside of the two groups of second rotating shafts (19) is sleeved with a transmission belt (20), the outside of the mounting frame (22) is fixedly connected with a second motor (21), and the power end of the second motor (21) is fixedly connected with the second rotating shaft (19).

5. The acid leaching residue cyanide and fluorine removal equipment according to claim 1, characterized in that: The lower part of the stirring pipe (7) is provided with a plurality of groups of communication holes (8).

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