Automatic dosing mechanism for ilmenite flotation

Abstract

The utility model relates to the technical field of mineral flotation, in particular to an automatic dosing mechanism for ilmenite flotation, which comprises a reaction kettle, the input end of the reaction kettle is connected with a plurality of medicine boxes through communicating pipes, a liquid level meter is arranged in the reaction kettle, and automatic dosing and mixing are realized when the liquid level drops. The output end of the reaction kettle is provided with a first electromagnetic valve and is communicated with a chemical conveying pipeline, mixed chemical liquid is shunted and conveyed into the flotation machines through the chemical conveying pipeline, and flotation of ilmenite in multiple flotation machines can be achieved at the same time; the medicine conveying pipeline is connected with a reflux pump, and when the medicine conveying pipeline is blocked by medicine residues, the reflux pump is started to wash the medicine conveying pipeline; the medicine conveying pipeline comprises a main pipeline, the main pipeline is communicated with a plurality of flow dividing pipelines, constant pressure valves are arranged on the flow dividing pipelines, the pressure in the main pipeline and the flow dividing pipelines is kept within a constant range, and it is guaranteed that the flow dividing pipelines output medicine liquid.

Description

Technical Field

[0001] The utility model relates to the technical field of mineral flotation, in particular to an automatic dosing mechanism for ilmenite flotation. Background Art

[0002] Ilmenite is the main mineral for extracting titanium and titanium dioxide. After the ilmenite ore is ground, flotation is mainly used for mineral separation. Chemical solution and gas are added to the flotation machine. According to the different effects of different minerals on the reagents and the buoyancy of bubbles, minerals and useless gangue are separated, which affects the efficiency of mineral separation and the quality of the product.

[0003] In the prior art, flotation liquid is added to the flotation machine through a delivery pipeline. The flotation liquid and the minerals are mixed unevenly in the flotation machine. When the liquid is short of the liquid, it cannot be added in time, which affects the quality of the product. The solenoid valve and metering pump are used for regulation, which is easy to cause blockage at the connection position, affecting the efficiency of mineral separation. Utility Model Content

[0004] In order to improve the problem of ilmenite in flotation in the above background technology, the utility model provides an automatic dosing mechanism for ilmenite flotation.

[0005] The utility model provides an automatic dosing mechanism for ilmenite flotation, which adopts the following technical solutions:

[0006] An automatic dosing mechanism for ilmenite flotation comprises a reactor, wherein the input end of the reactor is connected to a plurality of medicine boxes via a connecting pipe, a first metering pump is arranged on the connecting pipe, a liquid level gauge is arranged inside the reactor, a first solenoid valve is arranged at the output end of the reactor and is connected to a drug delivery pipeline, and the drug delivery pipeline is connected to a reflux pump; a control console is arranged on one side of the reactor, and the control console is respectively connected to the first metering pump and the first solenoid valve for communication.

[0007] Preferably, the drug delivery pipeline includes a main pipeline, which is connected to multiple branch pipelines; a second solenoid valve is provided at the output end of the reflux pump and connected to the end of the main pipeline, the second solenoid valve is communicatively connected to the console, and the input end of the reflux pump is connected to a water tank.

[0008] Preferably, a third solenoid valve, a second metering pump and a constant pressure valve are provided on the shunt pipe. By providing the constant pressure valve, the pressure in the shunt pipe is maintained within a constant range to ensure that the shunt pipe outputs the medicine. The second metering pump and the third solenoid valve are both communicatively connected to the console.

[0009] Preferably, the diversion pipes are arranged at intervals and communicated with the main pipe, and the ends of the diversion pipes are connected to the inside of the flotation machine.

[0010] Preferably, the drug delivery pipeline is made of a stainless steel pipe or a glass fiber reinforced plastic pipe.

[0011] In summary, the utility model has the following beneficial technical effects:

[0012] The utility model discloses an automatic dosing mechanism for ilmenite flotation, which realizes mixing and stirring of drug liquid in a reactor, and realizes automatic dosing and mixing when the liquid level drops by arranging a liquid level meter, with high automation and accurate mixing, and diverts the mixed drug liquid through a drug delivery pipeline and delivers it to a flotation machine, which can realize the flotation of ilmenite in multiple flotation machines at the same time, improves production efficiency, and has positive significance for the flotation production of ilmenite; a reflux pump is arranged at the end of a main pipeline, and when drug residue is blocked in the drug delivery pipeline, the reflux pump is started to flush the drug delivery pipeline, or flushing on time can avoid blockage; a constant pressure valve is arranged on the diversion pipeline, and the pressure in the main pipeline and the diversion pipeline is maintained in a constant range, so as to ensure that the diversion pipeline outputs drug liquid normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is an overall schematic diagram of an automatic dosing mechanism for ilmenite flotation according to an embodiment of the utility model;

[0014] Figure 2 This is a schematic diagram of the connection of the drug delivery pipeline of an embodiment of the utility model;

[0015] Figure 3 It is a schematic structural diagram of a reaction kettle of an embodiment of the utility model;

[0016] Figure 4 It is a partially enlarged schematic diagram of the drug delivery pipeline of the embodiment of the utility model.

[0017] Explanation of the accompanying reference numerals: 1. Reactor; 2. Connecting pipe; 3. Medicine box; 4. First metering pump; 5. Liquid level gauge; 6. First solenoid valve; 7. Drug delivery pipeline; 8. Reflux pump; 9. Control console; 10. Main pipeline; 11. Diversion pipeline; 12. Second solenoid valve; 13. Water tank; 14. Third solenoid valve; 15. Second metering pump; 16. Constant pressure valve; 17. Flotation machine; 18. Pipeline diverter. DETAILED DESCRIPTION

[0018] The following combination Figure 1-Figure 4 The utility model is described in further detail.

[0019] The utility model embodiment discloses an automatic dosing mechanism for ilmenite flotation.

[0020] Reference Figure 1 , Figure 2 , Figure 3, an automatic dosing mechanism for ilmenite flotation, comprising a reactor 1, wherein the input end of the reactor 1 is connected to a plurality of medicine boxes 3 through a connecting pipe 2, a first metering pump 4 is arranged on the connecting pipe 2, a liquid level meter 5 is arranged inside the reactor 1, and the liquid level meter 5 comprises a liquid level probe arranged on the inner wall of the reactor 1, the liquid level probe is connected to an external processor and is in communication with a console 9; a stirring shaft is arranged at the axial position inside the reactor 1 and is driven to stir by a motor at the top of the reactor 1, a heat preservation and heating layer is arranged outside the reactor 1, and the liquid medicine in the medicine box 3 is stirred and mixed in the reactor 1, and the heat preservation and heating layer ensures that part of the liquid medicine in the medicine box 3 is stirred and mixed in the reactor 1 The temperature required for mixing the drug liquid, a first solenoid valve 6 is provided at the output end of the reactor 1 and is connected to the drug delivery pipeline 7, and the drug delivery pipeline 7 is connected to the reflux pump 8; a control console 9 is provided on one side of the reactor 1, and the control console 9 is respectively communicated with the motor, the first metering pump 4 and the first solenoid valve 6; the metering pump, also known as the dosing pump, is a machine that can measure the delivered liquid and is often used in various types of drug addition equipment. The first metering pump 4 measures and delivers the drug liquid and outputs information. The receiving end of the control console 9 receives the information, processes and gives feedback, controls the switch of the first solenoid valve 6 and controls the first metering pump 4 to adjust the flow.

[0021] Reference Figure 1 , Figure 2 , Figure 4 The drug delivery pipeline 7 includes a main pipeline 10, which is connected to multiple branch pipelines 11 through a pipeline diverter 18. There are more than one branch pipeline 11, and the diameter of the main pipeline 10 is greater than the diameter of the branch pipeline 11; a second solenoid valve 12 is provided at the output end of the reflux pump 8 and connected to the end of the main pipeline 10, the second solenoid valve is communicated with the console 9, and the input end of the reflux pump 8 is connected to the water tank 13.

[0022] By setting a reflux pump 8 at the end of the main pipeline 10, when drug residues are blocked in the drug delivery pipeline 7 and the pressure is too high, causing the output value of the metering pump 15 to be abnormal, stop adding medicine and start the reflux pump 8 to flush the drug delivery pipeline 7, or flush it on time to avoid blockage.

[0023] Reference Figure 2 , Figure 3 A third solenoid valve 14, a second metering pump 15 and a constant pressure valve 16 are provided on the shunt pipe 11. By providing the constant pressure valve 16, the pressure in the main pipe 10 and the shunt pipe 11 is maintained within a constant range to ensure that the shunt pipe 11 outputs the medicine normally. The second metering pump 15 and the third solenoid valve 14 are both connected to the control console 9 for communication.

[0024] Reference Figure 2 The branch pipe 11 is arranged at intervals and communicated with the main pipe 10. The end of the branch pipe 11 is connected to the inside of the flotation machine 17, and the mixed liquid is mixed with the ilmenite to achieve the flotation of the ilmenite.

[0025] Reference Figure 1 , Figure 2 The drug delivery pipeline 7 is made of stainless steel pipe or glass fiber reinforced plastic pipe. Stainless steel pipe or glass fiber reinforced plastic pipe has high strength, high pressure resistance and corrosion resistance, and can be used to transport high-pressure and high-temperature chemicals. The surface of glass fiber reinforced plastic pipe is smooth and hygienic, but the cost of use is high.

[0026] The implementation principle of an automatic dosing mechanism for ilmenite flotation of the utility model embodiment is as follows: start the motor on the top of the reactor 1, mix various types of liquid medicine in the medicine box in the reactor 1 and stir, the liquid level meter 5 detects the liquid level in the reactor 1, when the liquid medicine is insufficient, control the first metering pump 4 to output the liquid medicine into the reactor 1 for mixing and stirring, the mixed liquid medicine after stirring is transported to the inside of each flotation machine 17 through the main pipeline 10 and the branch pipeline 11, the mixed liquid medicine is mixed with the ilmenite, and the flotation of the ilmenite is realized; the solenoid valve and the metering pump switch are controlled by the control console 9 to control the output of the mixed liquid medicine, the constant pressure valve 16 maintains the pressure in the main pipeline 10 and the branch pipeline 11 in a constant range, and ensures that the branch pipeline 11 outputs the liquid medicine normally; when the drug residue is blocked in the drug delivery pipeline 7, the pressure is too high to cause the metering pump 15 to output an abnormal value, stop adding medicine, start the reflux pump 8 to flush the drug delivery pipeline 7, or flush it on time to avoid blockage.

[0027] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An automatic dosing mechanism for ilmenite flotation, characterized in that: The invention comprises a reactor (1), wherein the input end of the reactor (1) is connected to a plurality of medicine boxes (3) via a connecting pipe (2), the connecting pipe (2) is provided with a first metering pump (4), a liquid level gauge (5) is provided inside the reactor (1), the output end of the reactor (1) is provided with a first solenoid valve (6) and connected to a drug delivery pipeline (7), the drug delivery pipeline (7) is connected to a reflux pump (8); a control console (9) is provided on one side of the reactor (1), and the control console (9) is respectively connected to the first metering pump (4) and the first solenoid valve (6) in a communication manner.

2. The automatic dosing mechanism for ilmenite flotation according to claim 1, characterized in that: The drug delivery pipeline (7) comprises a main pipeline (10), wherein the main pipeline (10) is connected to a plurality of branch pipelines (11); a second solenoid valve (12) is provided at the output end of the reflux pump (8) and is connected to the end of the main pipeline (10); the second solenoid valve is in communication with the control console (9); and the input end of the reflux pump (8) is connected to a water tank (13).

3. The automatic dosing mechanism for ilmenite flotation according to claim 2, characterized in that: The diversion pipeline (11) is provided with a third solenoid valve (14), a second metering pump (15) and a constant pressure valve (16); the second metering pump (15) and the third solenoid valve (14) are both communicatively connected to the control console (9).

4. The automatic dosing mechanism for ilmenite flotation according to claim 2, characterized in that: The diversion pipes (11) are arranged at intervals and communicate with the main pipe (10), and the ends of the diversion pipes (11) are connected to the inside of the flotation machine (17).

5. The automatic dosing mechanism for ilmenite flotation according to claim 1, characterized in that: The drug delivery pipeline (7) is made of a stainless steel pipe or a glass fiber reinforced plastic pipe.

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