A tungsten slag leaching device

Abstract

The utility model relates to a tungsten slag ore liquid leaching device in the field of mechanical equipment technology, including a leaching tank, the leaching tank is cylindrical, a detachable tank cover is provided on the top of the leaching tank, a discharge pipe is provided at the center of the conical bottom, a hemispherical screen is provided in the leaching tank, the diameter of the screen matches the inner diameter of the leaching tank, the screen is fixedly connected to two rotating shafts, the two rotating shafts are located on the same diameter at the opening of the screen, the two rotating shafts are respectively rotatably connected to the inner wall of the corresponding leaching tank through bearings, and one of the rotating shafts is connected to a stepper motor after passing through the leaching tank. The utility model has a simple and reasonable structure, the screen can be flipped, it is convenient for the discharge of residues and the cleaning of the screen, it is conducive to the leaching operation, and the leaching effect is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical equipment, and in particular relates to a tungsten slag ore liquid leaching device. Background Art

[0002] Tungsten concentrate is the main raw material for producing tungsten compounds such as ferrotungsten, sodium tungstate, ammonium paratungstate (APT), and ammonium metatungstate (AMT). At present, tungsten concentrate needs to be leached after sintering to remove impurities in the sintering material. Patent document No. CN211713174 U discloses a tungsten concentrate sintering material leaching device, which includes a leaching tank, the top of which is provided with an opening, a heating plate is fixedly connected to the inner wall of the bottom of the leaching tank, two chutes are provided on the outside of the leaching tank, a slide plate is slidably installed in the chutes, a linkage plate is welded on the top of the slide plate, the top of the two linkage plates are welded with the same round cover, a sealing ring is provided at the bottom of the round cover, the round cover is in sealing contact with the top opening of the leaching tank through the sealing ring, and a connecting plate is welded at the bottom of the round cover. Although the device can effectively reduce the leaching rate of impurity tin in high-tin tungsten concentrate, and has a high efficiency in removing tin impurities, the filter cleaning remains unchanged, the cleaning efficiency is low, and the effect is poor, which affects subsequent use. Therefore, a tungsten slag ore liquid leaching device is needed to solve the above technical problems. Utility Model Content

[0003] In view of the above defects in the prior art, the utility model provides a tungsten slag ore liquid leaching device, including a leaching tank, the leaching tank is cylindrical, and a conical bottom is fixed at the bottom of the leaching tank; a detachable tank cover is provided on the top of the leaching tank, a discharge pipe is provided at the center of the conical bottom, a switch valve is provided on the discharge pipe, a hemispherical screen is provided in the leaching tank, the diameter of the screen matches the inner diameter of the leaching tank, the screen is fixedly connected with two rotating shafts, the two rotating shafts are located on the same diameter at the opening of the screen, the two rotating shafts are respectively rotatably connected with the inner wall of the corresponding leaching tank through bearings, and one of the rotating shafts is connected to a stepper motor after passing through the leaching tank. The screen can filter the leachate, and after the leachate is discharged from the discharge pipe, the screen flips 180 degrees, and the residue falls and is discharged from the discharge pipe, and then a cleaning liquid is introduced into the leaching tank to clean the screen and the leaching tank, which does not affect the next use.

[0004] Preferably, the leaching tank is further provided with a stirring assembly, which includes a vertical rod, the upper end of which penetrates the tank cover and is connected to a rotating motor, and the lower end of which is fixedly connected to a semicircular stirring rod matching the concave surface of the screen. The stirring rod can not only stir the material in the screen, but also scrape the screen to avoid the material from sticking to the screen.

[0005] Preferably, bristles are fixed on the contact surface between the stirring rod and the screen, so as to clean the screen and prevent impurities from clogging the screen holes.

[0006] Preferably, a stirring blade is provided on the vertical rod above the stirring rod, so as to facilitate the stirring of the leachate and the material on the upper part of the screen.

[0007] Preferably, the tank cover is buckled on the top of the leaching tank, and at least two vertical telescopic rods are evenly fixed on the leaching tank along the circumference, and the telescopic ends of the vertical telescopic rods are connected to the tank cover. The vertical telescopic rods can be electric push rods or hydraulic cylinders. The opening and closing of the tank cover and the lifting and lowering of the stirring assembly are controlled by the extension and retraction of the vertical telescopic rods.

[0008] Preferably, the tank cover is provided with a hanging lug, and the tank cover can be hoisted by a hoisting device.

[0009] Preferably, the tank cover is provided with a liquid inlet and a material feed hopper, so as to facilitate the introduction of leaching liquid and materials into the leaching tank as required when the tank cover is closed.

[0010] Preferably, an electric heating jacket is provided on the outer wall of the leaching tank, a temperature sensor is provided in the leaching tank, and the temperature sensor is electrically connected to the electric heating jacket, so that the temperature in the leaching tank can be flexibly controlled to improve the leaching efficiency and leaching effect.

[0011] The utility model also includes other components that enable a tungsten slag leaching device to be used normally, for example, the control components of the stepper motor, the control components of the rotary motor, the control components of the vertical telescopic rod, the control components of the electric heating sleeve, etc. are all conventional technical means in the field. In addition, the devices or components not limited in the utility model, such as the hydraulic cylinder, the electric push rod, the electric heating sleeve, the temperature sensor, etc., all adopt conventional technical means and conventional equipment in the field.

[0012] The utility model has the following beneficial effects: the structure is simple and reasonable, the screen can be turned over, the residue can be discharged easily and the screen can be cleaned, the leaching operation is beneficial, and the leaching effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0014] Figure 1 This is a schematic structural diagram of a tungsten slag ore liquid leaching device in an embodiment of the utility model;

[0015] Figure 2 for Figure 1 The state diagram after the stirring component rises and the screen flips over.

[0016] In the figure: 1. leaching tank; 2. tank cover; 3. vertical telescopic rod; 4. electric heating sleeve; 5. liquid inlet; 6. feed hopper; 7. rotating motor; 8. vertical rod; 9. screen; 10. stepping motor; 11. stirring rod; 12. brush. DETAILED DESCRIPTION

[0017] The present invention is described in detail below in conjunction with the drawings and specific embodiments in the embodiments of the present invention. The description here is only used to explain the present invention, but not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work, any modifications, equivalent replacements, improvements, etc., should be included in the protection scope of the present invention.

[0018] Example

[0019] like Figure 1-2 As shown, the utility model provides a tungsten slag ore liquid leaching device, including a leaching tank 1, the leaching tank 1 is cylindrical, and a conical bottom is fixed at the bottom of the leaching tank 1; a detachable tank cover 2 is provided on the top of the leaching tank 1, and a discharge pipe is provided at the center of the conical bottom, and a switch valve is provided on the discharge pipe. A hemispherical screen 9 is provided in the leaching tank 1, and the diameter of the screen 9 matches the inner diameter of the leaching tank 1. The screen 9 is fixedly connected with two rotating shafts, and the two rotating shafts are located on the same diameter at the opening of the screen 9. The two rotating shafts are respectively rotatably connected with the inner wall of the corresponding leaching tank 1 through bearings, and one of the rotating shafts passes through the leaching tank 1 and is connected to a stepping motor 10. The screen 9 can filter the leachate, and after the leachate is discharged from the discharge pipe, the screen 9 flips 180 degrees, and the residue falls and is discharged from the discharge pipe. Then, a cleaning liquid is introduced into the leaching tank 1 to clean the screen 9 and the leaching tank 1, which does not affect the next use.

[0020] The leaching tank 1 is also provided with a stirring assembly, which includes a vertical rod 8, the upper end of which penetrates the tank cover and is connected to a rotating motor 7, and the lower end of which is fixedly connected to a semicircular stirring rod 11 matching the concave surface of the screen 9. The stirring rod 11 can not only stir the material in the screen 9, but also scrape the screen 9 to avoid the material from sticking to the screen 9.

[0021] Brushes 12 are fixed on the contact surface between the stirring rod 11 and the screen 9. The screen 9 can be cleaned to prevent impurities from clogging the screen holes.

[0022] A stirring blade is provided on the vertical rod 8 above the stirring rod 11, so as to facilitate the stirring of the leachate and the material on the upper part of the screen 9.

[0023] The tank cover 2 is buckled on the top of the leaching tank 1. At least two vertical telescopic rods 3 are evenly fixed on the leaching tank 1 along the circumference, and the telescopic ends of the vertical telescopic rods 3 are connected to the tank cover 2. The vertical telescopic rods 3 can be electric push rods or hydraulic cylinders. The opening and closing of the tank cover 2 and the lifting and lowering of the stirring assembly are controlled by the telescopic movement of the vertical telescopic rods 3.

[0024] The tank cover 2 is provided with a hanging lug. The tank cover 2 can be hoisted by a hoisting device.

[0025] The tank cover 2 is provided with a liquid inlet 5 and a feed hopper 6, so as to facilitate the introduction of leaching liquid and materials into the leaching tank 1 as required when the tank cover 2 is closed.

[0026] An electric heating jacket 4 is provided on the outer wall of the leaching tank 1, and a temperature sensor is provided in the leaching tank 1, and the temperature sensor is electrically connected to the electric heating jacket 4. The temperature in the leaching tank 1 can be flexibly controlled to improve the leaching efficiency and leaching effect.

[0027] Working principle: During the leaching operation, the concave surface of the screen is facing upward, the discharge pipe is closed, the material and the leaching liquid are placed in the leaching tank, the tank cover is buckled, the rotating motor drives the vertical rod to rotate, and the stirring rod and stirring blades stir the material and liquid in the leaching tank to improve the leaching effect and efficiency. After the leaching is completed, the discharge pipe is opened, the leaching liquid is drained, and a slag collecting box is placed at the discharge pipe. The stepper motor drives the screen to flip 180 degrees, and the residue falls and is discharged from the discharge pipe. Then, the cleaning liquid is introduced into the leaching tank to clean the screen and the leaching tank, which will not affect the next use. During the residue discharge process, the vertical telescopic rod can drive the stirring rod to move up and down periodically, the stirring rod contacts the screen, and the screen vibrates to improve the residue discharge efficiency.

[0028] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A tungsten slag ore liquid leaching device, comprising a leaching tank, the leaching tank is cylindrical, and a conical bottom is fixed to the bottom of the leaching tank; characterized in that: A detachable tank cover is provided on the top of the leaching tank, a discharge pipe is provided at the center of the conical bottom, a switch valve is provided on the discharge pipe, a hemispherical screen is provided in the leaching tank, the diameter of the screen matches the inner diameter of the leaching tank, the screen is fixedly connected to two rotating shafts, the two rotating shafts are located on the same diameter at the opening of the screen, the two rotating shafts are rotatably connected to the inner wall of the corresponding leaching tank through bearings, and one of the rotating shafts is connected to a stepping motor after passing through the leaching tank.

2. A tungsten slag leaching device according to claim 1, characterized in that: The leaching tank is also provided with a stirring assembly, which includes a vertical rod, the upper end of which passes through the tank cover and is connected to a rotating motor, and the lower end of the vertical rod is fixedly connected to a semicircular stirring rod matching the concave surface of the screen.

3. A tungsten slag leaching device according to claim 2, characterized in that: Brush bristles are fixed on the contact surface between the stirring rod and the screen.

4. A tungsten slag leaching device according to claim 2, characterized in that: A stirring blade is arranged on the vertical rod above the stirring rod.

5. The tungsten slag leaching device according to claim 1, characterized in that: The tank cover is buckled on the top of the leaching tank, and at least two vertical telescopic rods are evenly fixed on the leaching tank along the circumference, and the telescopic ends of the vertical telescopic rods are connected to the tank cover.

6. The tungsten slag leaching device according to claim 1, characterized in that: The can cover is provided with a hanging ear.

7. The tungsten slag leaching device according to claim 1 is characterized in that: The tank cover is provided with a liquid inlet and a feed hopper.

8. The tungsten slag leaching device according to claim 1, characterized in that: An electric heating sleeve is arranged on the outer wall of the leaching tank, a temperature sensor is arranged in the leaching tank, and the temperature sensor is electrically connected to the electric heating sleeve.

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