Device and method for treating molybdenum concentrate hydrometallurgical wastewater

Abstract

The invention discloses a device and a method for treating molybdenum concentrate hydrometallurgical wastewater. The invention relates to the technical field of wastewater treatment, and comprises a top box and a frame fixedly connected to the outer surface of the top box; an airflow generating mechanism, which is used to generate airflow in the inner cavity of the top box. By setting the airflow generating mechanism, when the molybdenum concentrate hydrometallurgical wastewater is recycled, a gas flow can be generated in the inner cavities of the top box and the bottom box. In the sedimentation mode, the precipitated particle sediment can be discharged from the device. In the flotation mode, air bubbles can be injected into the inner cavity of the device, thereby causing suspended matter in the wastewater to float to the top of the inner cavity through the bubbles, and then the suspended matter is discharged; and a switching mechanism, which is used to switch between two treatment modes of sewage sedimentation and flotation, so as to achieve the effect of recycling particulate matter and suspended matter in the metallurgical wastewater.

Description

Technical Field

[0001] The present invention relates to the technical field of wastewater treatment, in particular to a device and a method for treating molybdenum concentrate hydrometallurgical wastewater. Background Art

[0002] Wastewater generated during the hydrometallurgical process of molybdenum concentrate is characterized by complex composition and high concentrations of pollutants, primarily molybdenum, arsenic, heavy metal ions, sulfates, and organic chemical residues. Discharge of this wastewater without proper treatment poses serious risks to the aquatic ecosystem and human health. Excessive molybdenum can lead to soil acidification and affect plant growth, while arsenic and heavy metal ions are bioaccumulative and toxic, potentially harming humans through the food chain. Current treatment processes for this type of wastewater primarily include chemical precipitation, ion exchange, adsorption, and membrane separation. Chemical precipitation effectively removes heavy metal ions by adjusting the pH and adding sodium sulfide or lime to form insoluble compounds, but it also produces a large amount of sludge. Ion exchange offers the advantage of selective removal of low-concentration molybdenum ions, but the resin regeneration cost is high. Membrane separation, while effective, faces challenges with membrane fouling and high energy consumption.

[0003] In the process of treating molybdenum concentrate hydrometallurgical wastewater, if the suspended dirt and particulate matter cannot be effectively recovered, it will have a significant impact on the overall treatment effect and subsequent process operation. These suspended matter are usually composed of incompletely reacted mineral powder, metal hydroxide precipitates and organic agent residues. If they are allowed to enter the subsequent treatment units, it will not only increase the consumption of chemical agents, but also cause blockage of pipelines, reactors and membrane components, reduce equipment operating efficiency and shorten service life. In addition, the fine particles that are not removed may wrap heavy metal ions or adsorb organic pollutants, interfere with the removal effect of dissolved pollutants by chemical precipitation, ion exchange and other processes, and cause fluctuations in the effluent water quality. What is more serious is that some metal particles with recovery value will be lost with the suspended matter, which not only wastes resources but also increases the burden of sludge disposal. Summary of the Invention

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: A device for treating molybdenum concentrate hydrometallurgical wastewater, comprising a top box and a frame fixedly connected to the outer surface of the top box;

[0005] An airflow generating mechanism is used to generate airflow in the inner cavity of the top box. By setting up the airflow generating mechanism, gas flow can be generated in the inner cavities of the top box and the bottom box when recycling and treating molybdenum concentrate hydrometallurgical wastewater. In the sedimentation mode, the settled particle sediment can be discharged from the device. At the same time, in the flotation mode, air bubbles can be injected into the inner cavity of the device, thereby causing suspended matter in the wastewater to float to the top of the inner cavity through the bubbles, and then the suspended matter can be discharged;

[0006] A switching mechanism is used to switch between the two treatment modes of sewage sedimentation and flotation. By setting the switching mechanism, the sewage treatment mode can be adjusted when treating molybdenum concentrate hydrometallurgical wastewater, thereby completing the purification of particulate matter and suspended matter in the molybdenum concentrate hydrometallurgical wastewater;

[0007] A treatment mechanism, which is used to recycle and treat molybdenum concentrate hydrometallurgical wastewater, and a bottom box fixedly connected to the outer surface of the treatment mechanism. By setting up the treatment mechanism, the molybdenum concentrate hydrometallurgical wastewater in the inner cavity of the device can be recycled and treated by sedimentation treatment and flotation treatment, thereby achieving the recycling and treatment effects of particulate matter and suspended matter in the molybdenum concentrate hydrometallurgical wastewater respectively;

[0008] The bottom box is sleeved on the outer surface of the top box, the airflow generating mechanism is arranged on the outer surface of the top box, the switching mechanism is fixedly connected to the outer side surface of the top box, and the processing mechanism is slidably connected to the bottom of the top box.

[0009] The processing mechanism includes a track ring, a partition box and a sedimentation mechanism. The track ring is fixedly connected to the inner wall of the bottom box, the partition box is fixedly connected to the bottom surface of the inner cavity of the bottom box, and the sedimentation mechanism is arranged at the bottom of the bottom box. By arranging the track ring and the partition box, the bottom box can be divided into multiple spaces. By arranging the sedimentation mechanism, the particulate matter in the molybdenum concentrate hydrometallurgical wastewater can be collected after the molybdenum concentrate hydrometallurgical wastewater has been standing for a long time in the inner cavity of the device.

[0010] Preferably, a feed pipe is passed through the upper surface of the top box, a sealing ring is fixedly connected to the bottom of the top box, and the sealing ring is frictionally fitted with the inner wall of the bottom box. The airflow generating mechanism includes a suction shell, which passes through the top surface of the inner cavity of the top box, and a sewage pipe is passed through the upper surface of the sewage suction shell. An air hole is provided on the upper surface of the sewage pipe near the end, and a wrapping ring is sleeved on the air hole of the sewage pipe.

[0011] Preferably, a first connecting tube passes through the lower surface of the wrapping ring, the bottom end of the first connecting tube is fixedly connected to an air box, the air box is fixedly connected to the outer surface of the top box, a high-pressure fan is fixedly connected to the inner wall of the air box, and the air outlet of the high-pressure fan faces directly downward, a second connecting tube passes through the bottom end of the air box, the end of the second connecting tube is fixedly connected to the air outlet, the outer surface of the air outlet is fixedly connected to a sliding frame, and a sealing ring is fixedly connected to the opening of the air outlet.

[0012] Preferably, the switching mechanism includes a fixed frame, which is fixedly connected to the outer side of the top box, and a hydraulic cylinder is fixedly connected to the inner wall of the fixed frame. A moving rod is provided at the output end of the hydraulic cylinder, and the bottom end of the moving rod is fixedly connected to a connecting frame, and the bottom end of the connecting frame is fixedly connected to a limit box, and the sliding frame is slidably connected to the inner cavity of the limit box.

[0013] Preferably, a first connection port is passed through the inner wall of the limit box, a second connection port is passed through the inner wall of the limit box, the first connection port is arranged between the track ring and the partition box, and the second connection port is arranged in the inner cavity of the partition box.

[0014] Preferably, the sedimentation mechanism includes a bottom plate, a collecting funnel is fixedly connected to the inner wall of the bottom plate, a plastic film is fixedly connected to the inner wall of the collecting funnel, there are several collecting funnels, and the several collecting funnels are evenly distributed.

[0015] Preferably, a third connecting pipe is passed through the bottom of the collecting funnel, an end of the third connecting pipe passes through the lower surface of the bottom box, and a sewage outlet is passed through one end of the third connecting pipe away from the bottom box.

[0016] Preferably, an air flotation mechanism is rotatably connected between the orbital ring and the partition box, and the air flotation mechanism includes a rotating ring, which is rotatably connected between the orbital ring and the partition box, and a fan plate is fixedly connected to the outer surface of the rotating ring, and a fourth connecting pipe passes through the inner circle of the rotating ring, and a fixed plate is fixedly connected to the outer surface of the fourth connecting pipe, and the fixed plate is fixedly connected to the inner circle of the rotating ring.

[0017] Preferably, the end of the fourth connecting pipe is fixedly connected to an air outlet pipe, a plurality of holes are provided on the upper surface of the air outlet pipe, the outer surface of the air outlet pipe is fixedly connected to a stirring plate, the inner cavity of the air outlet pipe is slidably connected to a blocking column, the end of the blocking column is fixedly connected to a spring, and the end of the spring is fixedly connected to the inner wall of the air outlet pipe.

[0018] A method for treating molybdenum concentrate hydrometallurgical wastewater comprises the following steps:

[0019] Step 1: Control the hydraulic cylinder so that the output end of the hydraulic cylinder drives the moving rod to move upward until the sliding frame slides to the bottom surface of the inner cavity of the limit box, and at the same time aligns the air outlet with the second connection port. Then, pour the molybdenum concentrate hydrometallurgical wastewater to be recycled into the inner cavity of the bottom box through the feed pipe, and then let it stand for 30 minutes;

[0020] Step 2: When the molybdenum concentrate hydrometallurgical wastewater in the bottom box and top box cavities begins to stratify, the high-pressure blower is connected to the power supply and turned on. As the air flows in, the gas enters the drain port through the third connecting pipe. During this process, the plastic film is deformed due to the negative pressure, causing the precipitated dirt to be discharged through the drain port.

[0021] Step 3: After the deposited dirt is discharged, start the hydraulic cylinder to move the moving rod downward until the sliding frame slides to the top surface of the inner cavity of the limit box, and at the same time align the air outlet with the first connecting port. Under the influence of the airflow, the gas is discharged from the holes in the air outlet pipe and a large number of bubbles are generated. A large number of bubbles will carry tiny impurities in the sewage to float up, and eventually be sucked out and discharged by the suction shell.

[0022] The present invention provides a device and method for treating molybdenum concentrate hydrometallurgical wastewater. It has the following beneficial effects:

[0023] 1. The device and method for treating molybdenum concentrate hydrometallurgical wastewater are equipped with an airflow generating mechanism, which can generate gas flow in the inner cavities of the top box and the bottom box when recycling and treating the molybdenum concentrate hydrometallurgical wastewater. In the sedimentation mode, the precipitated particle sediment can be discharged from the device. At the same time, in the flotation mode, air bubbles can be injected into the inner cavity of the device, thereby causing the suspended matter in the wastewater to float to the top of the inner cavity through the bubbles, and then the suspended matter can be discharged.

[0024] 2. The device and method for treating molybdenum concentrate hydrometallurgical wastewater can adjust the sewage treatment mode when treating molybdenum concentrate hydrometallurgical wastewater by setting a switching mechanism, thereby completing the purification of particulate matter and suspended matter in the molybdenum concentrate hydrometallurgical wastewater.

[0025] 3. The device and method for treating molybdenum concentrate hydrometallurgical wastewater can recover and treat the molybdenum concentrate hydrometallurgical wastewater in the inner cavity of the device by setting a treatment mechanism through two methods: sedimentation treatment and flotation treatment, thereby achieving the recovery and treatment effects of particulate matter and suspended matter in the molybdenum concentrate hydrometallurgical wastewater.

[0026] 4. The device and method for treating molybdenum concentrate hydrometallurgical wastewater are characterized by providing a feed pipe, which makes it convenient for operators to pour the molybdenum concentrate hydrometallurgical wastewater that needs to be purified into the inner cavity of the top box and the bottom box through the feed pipe. By providing a sealing ring, the sealing performance of the contact surface between the top box and the bottom box can be increased, thereby preventing sewage leakage. By providing a suction shell, suspended matter floating on the top of the inner cavity of the top box and the bottom box can be sucked out under the action of suction. By providing a sewage pipe, the suspended matter can be discharged. By opening air holes on the upper surface of the sewage pipe, the air in the inner cavity of the sewage pipe can be discharged when the wrapping ring generates suction.

[0027] 5. The device and method for treating molybdenum concentrate hydrometallurgical wastewater can collect particulate matter precipitated by standing the molybdenum concentrate hydrometallurgical wastewater by setting a collecting funnel, and can block the opening of the collecting funnel by setting a plastic film, and when suction is generated at the bottom of the collecting funnel, the plastic film is deformed, thereby allowing the particulate matter to enter the bottom of the collecting funnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of the external structure of a device for treating molybdenum concentrate hydrometallurgical wastewater according to the present invention;

[0029] Figure 2 This is a structural side view of a device for treating molybdenum concentrate hydrometallurgical wastewater according to the present invention;

[0030] Figure 3 Schematic diagram of the airflow generating mechanism structure of the present invention;

[0031] Figure 4 Schematic diagram of the cross-sectional structure of the airflow generating mechanism of the present invention;

[0032] Figure 5 This is a schematic diagram of the partial structure of the airflow generating mechanism of the present invention;

[0033] Figure 6 This is a schematic diagram of the switching mechanism structure of the present invention;

[0034] Figure 7 It is a schematic diagram of the processing mechanism structure of the present invention;

[0035] Figure 8 This is a schematic diagram of the structure of the precipitation mechanism of the present invention;

[0036] Figure 9 Schematic diagram of the cross-sectional structure of the precipitation mechanism of the present invention;

[0037] Figure 10 Schematic diagram of the air flotation mechanism structure of the present invention;

[0038] Figure 11 It is a schematic diagram of the cross-sectional structure of the air flotation mechanism of the present invention.

[0039] In the figure: 1, top box; 2, frame; 3, bottom box; 4, feed pipe; 5, sealing ring; 6, air flow generating mechanism; 7, switching mechanism; 8, processing mechanism; 61, sewage suction shell; 62, sewage discharge pipe; 63, wrapping ring; 64, air box; 65, high-pressure blower; 66, first connecting pipe; 67, second connecting pipe; 68, air outlet; 69, sliding frame; 610, sealing ring; 71, fixed frame; 72, hydraulic cylinder; 73, moving rod; 74, connecting frame; 75, Limit box; 76, first connecting port; 77, second connecting port; 81, track ring; 82, partition box; 83, sedimentation mechanism; 84, flotation mechanism; 831, third connecting pipe; 832, bottom plate; 833, collecting funnel; 834, plastic film; 835, sewage outlet; 841, rotating circle; 842, fan plate; 843, fourth connecting pipe; 844, fixed plate; 845, air outlet pipe; 846, stirring plate; 847, blocking column; 848, spring. DETAILED DESCRIPTION

[0040] The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. The examples of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are chosen and described in order to better illustrate the principles of the invention and its practical application, and to enable those skilled in the art to understand the invention and design various embodiments with various modifications suitable for specific applications.

[0041] like Figures 1-11 As shown, the present invention provides a technical solution: a device for treating molybdenum concentrate hydrometallurgical wastewater, comprising a top box 1, and a frame 2 fixedly connected to the outer surface of the top box 1;

[0042] An airflow generating mechanism 6 is provided, which is used to generate airflow in the inner cavity of the top box 1. By providing the airflow generating mechanism 6, a gas flow can be generated in the inner cavities of the top box 1 and the bottom box 3 when recycling and treating molybdenum concentrate hydrometallurgical wastewater. In the sedimentation mode, the precipitated granular sediment can be discharged from the device. At the same time, in the flotation mode, air bubbles can be injected into the inner cavity of the device, thereby causing suspended matter in the wastewater to float to the top of the inner cavity through the bubbles, and then the suspended matter can be discharged;

[0043] The switching mechanism 7 is used to switch between the two treatment modes of sewage sedimentation and flotation. By setting the switching mechanism 7, the sewage treatment mode can be adjusted when treating molybdenum concentrate hydrometallurgical wastewater, thereby completing the purification of particulate matter and suspended matter in the molybdenum concentrate hydrometallurgical wastewater;

[0044] The treatment mechanism 8 is used to recycle and treat the molybdenum concentrate hydrometallurgical wastewater, and the bottom box 3 is fixedly connected to the outer surface of the treatment mechanism 8. By setting the treatment mechanism 8, the molybdenum concentrate hydrometallurgical wastewater in the inner cavity of the device can be recycled and treated by sedimentation treatment and flotation treatment, thereby achieving the recovery and treatment effects of particulate matter and suspended matter in the molybdenum concentrate hydrometallurgical wastewater respectively;

[0045] The bottom box 3 is sleeved on the outer surface of the top box 1, the airflow generating mechanism 6 is arranged on the outer surface of the top box 1, the switching mechanism 7 is fixedly connected to the outer side of the top box 1, and the processing mechanism 8 is slidably connected to the bottom of the top box 1 through the bottom box 3;

[0046] The processing mechanism 8 includes a track ring 81, a partition box 82 and a sedimentation mechanism 83. The track ring 81 is fixedly connected to the inner wall of the bottom box 3, the partition box 82 is fixedly connected to the bottom surface of the inner cavity of the bottom box 3, and the sedimentation mechanism 83 is arranged at the bottom of the bottom box 3. By arranging the track ring 81 and the partition box 82, the bottom box 3 can be divided into multiple spaces. By arranging the sedimentation mechanism 83, the particulate matter in the molybdenum concentrate hydrometallurgical wastewater can be collected after the molybdenum concentrate hydrometallurgical wastewater has been standing for a long time in the inner cavity of the device.

[0047] The upper surface of the top box 1 is penetrated by a feed pipe 4, and the bottom of the top box 1 is fixedly connected with a sealing ring 5, and the sealing ring 5 is friction-fitted with the inner wall of the bottom box 3. The airflow generating mechanism 6 includes a dirt suction shell 61, and the dirt suction shell 61 penetrates the top surface of the inner cavity of the top box 1. The upper surface of the dirt suction shell 61 is penetrated by a drain pipe 62, and the upper surface of the drain pipe 62 near the end is provided with an air hole, and the air hole of the drain pipe 62 is provided with a wrapping ring 63. By setting the feed pipe 4, operation can be facilitated. Personnel pour the molybdenum concentrate hydrometallurgical wastewater that needs to be purified into the inner cavity of the top box 1 and the bottom box 3 through the feed pipe 4. By setting the sealing ring 5, the sealing of the contact surface between the top box 1 and the bottom box 3 can be increased, thereby preventing sewage leakage. By setting the suction shell 61, the suspended matter floating on the top of the inner cavity of the top box 1 and the bottom box 3 can be sucked out under the action of suction. By setting the sewage pipe 62, the suspended matter can be discharged. By opening air holes on the upper surface of the sewage pipe 62, suction can be generated on the wrapping ring 63. When the air in the inner cavity of the sewage pipe 62 is discharged, the lower surface of the wrapping ring 63 is penetrated by a first connecting pipe 66, the bottom end of the first connecting pipe 66 is fixedly connected to the air box 64, the air box 64 is fixedly connected to the outer surface of the top box 1, the inner wall of the air box 64 is fixedly connected to a high-pressure fan 65, the air outlet of the high-pressure fan 65 is facing directly downward, the bottom end of the air box 64 is penetrated by a second connecting pipe 67, the end of the second connecting pipe 67 is fixedly connected to the air outlet 68, The outer surface of the air outlet 68 is fixedly connected to a sliding frame 69, and the opening of the air outlet 68 is fixedly connected to a sealing ring 610. By setting the first connecting pipe 66 and the air box 64, the suction force generated by the high-pressure fan 65 can be transmitted to the inner cavity of the wrapping ring 63 through the first connecting pipe 66 and the air box 64, thereby causing the suction shell 61 to generate suction. By setting the high-pressure fan 65, airflow can be generated during operation, and the airflow can be discharged through the second connecting pipe 67 and the air outlet 68.

[0048] The switching mechanism 7 includes a fixed frame 71, which is fixedly connected to the outer side of the top box 1. A hydraulic cylinder 72 is fixedly connected to the inner wall of the fixed frame 71. A moving rod 73 is provided at the output end of the hydraulic cylinder 72. The bottom end of the moving rod 73 is fixedly connected to a connecting frame 74. The bottom end of the connecting frame 74 is fixedly connected to a limit box 75. The sliding frame 69 is slidably connected to the inner cavity of the limit box 75. By providing the hydraulic cylinder 72, the moving rod 73 at the output end can produce an effect of vertical up and down movement under power access and control, thereby causing the connecting frame 74 to drive the limit box 75. To produce the effect of up and down movement, the sliding frame 69 can be limited by setting a limit box 75, so that the sliding frame 69 can move vertically up and down in the inner cavity of the limit box 75. The inner wall of the limit box 75 is penetrated by a first connecting port 76, and the inner wall of the limit box 75 is penetrated by a second connecting port 77. The first connecting port 76 is set between the track ring 81 and the partition box 82, and the second connecting port 77 is set in the inner cavity of the partition box 82. By setting the first connecting port 76 and the second connecting port 77, the two states of flotation mode and sedimentation mode can be realized respectively when they are in contact with the air outlet 68.

[0049] The sedimentation mechanism 83 includes a bottom plate 832, a collecting funnel 833 is fixedly connected to the inner wall of the bottom plate 832, a plastic film 834 is fixedly connected to the inner wall of the collecting funnel 833, the number of the collecting funnel 833 is several, and the several collecting funnels 833 are evenly distributed. By setting the collecting funnel 833, the particles precipitated by the molybdenum concentrate hydrometallurgical wastewater through standing can be collected, and by setting the plastic film 834, the opening of the collecting funnel 833 can be blocked, and the particles can be collected at the collection funnel 833. When suction is generated at the bottom of the funnel 833, the plastic film 834 is deformed, and the particulate matter enters the bottom of the collecting funnel 833. A third connecting pipe 831 passes through the bottom of the collecting funnel 833, and the end of the third connecting pipe 831 passes through the lower surface of the bottom box 3. A sewage outlet 835 is passed through the end of the third connecting pipe 831 away from the bottom box 3. By setting the third connecting pipe 831 and the sewage outlet 835, the sediment collected by the collecting funnel 833 is discharged through the third connecting pipe 831 and the sewage outlet 835.

[0050] The air flotation mechanism 84 is rotatably connected between the orbital ring 81 and the partition box 82. The air flotation mechanism 84 includes a rotating ring 841, and the rotating ring 841 is rotatably connected between the orbital ring 81 and the partition box 82. The outer surface of the rotating ring 841 is fixedly connected to a fan plate 842. The inner ring of the rotating ring 841 is penetrated by a fourth connecting pipe 843. The outer surface of the fourth connecting pipe 843 is fixedly connected to a fixing plate 844. The fixing plate 844 is fixedly connected to the inner ring of the rotating ring 841. By providing the rotating ring 841, a stable rotation can be generated in the inner cavity of the orbital ring 81 and the partition box 82. By providing the fan plate 842, when the gas is discharged to the fan plate 842 through the second connecting port 77, the fan plate 842 can generate an extrusion force, thereby causing the rotating ring 841 to rotate. By providing the fixing plate 844, the fourth connecting pipe 843 can be fixed. The end of the fourth connecting pipe 843 is fixedly connected to the air outlet pipe 845, and the upper surface of the air outlet pipe 845 is provided with a plurality of holes. The outer surface of the air outlet pipe 845 is fixedly connected to a stirring plate 846. The inner cavity of the air outlet pipe 845 is slidably connected to a blocking column 847. The end of the blocking column 847 is fixedly connected to a spring 848. The end of the spring 848 is fixedly connected to the inner wall of the air outlet pipe 845. By setting the fourth connecting pipe 843, the air flow in the inner cavity of the partition box 82 can be transferred to the inner cavity of the air outlet pipe 845 through the fourth connecting pipe 843. By setting the stirring plate 846, the stirring plate 846 can stir the sewage when the rotating circle 841 rotates. By setting the blocking column 847, the holes in the air outlet pipe 845 can be blocked, thereby preventing sewage from entering the inner cavity of the air outlet pipe 845. By setting the spring 848, the blocking column 847 can be squeezed.

[0051] A method for treating molybdenum concentrate hydrometallurgical wastewater comprises the following steps:

[0052] Step 1: Control the hydraulic cylinder 72 so that the output end of the hydraulic cylinder 72 drives the moving rod 73 to move upward until the sliding frame 69 slides to the bottom surface of the inner cavity of the limit box 75, and at the same time aligns the air outlet 68 with the second connecting port 77. Then, the molybdenum concentrate hydrometallurgical wastewater to be recycled is poured into the inner cavity of the bottom box 3 through the feed pipe 4, and then left to stand for 30 minutes;

[0053] Step 2: When the molybdenum concentrate hydrometallurgical wastewater in the inner cavities of the bottom box 3 and the top box 1 begins to stratify, the high-pressure blower 65 is connected to a power source and turned on. As air flows in, the gas enters the drain port 835 through the third connecting pipe 831. During this process, the plastic film 834 is deformed due to the negative pressure, causing the precipitated dirt to be discharged through the drain port 835.

[0054] Step 3: After the deposited dirt is discharged, the hydraulic cylinder 72 is started to move the moving rod 73 downward until the sliding frame 69 slides to the top surface of the inner cavity of the limit box 75, and at the same time, the air outlet 68 is aligned with the first connecting port 76. Under the influence of the air flow, the gas is discharged from the hole of the air outlet pipe 845 and a large number of bubbles are generated. A large number of bubbles will carry fine impurities in the sewage to float up and are eventually sucked out and discharged by the suction shell 61.

[0055] Working principle: When in use, control the hydraulic cylinder 72 so that the output end of the hydraulic cylinder 72 drives the moving rod 73 to move upward until the sliding frame 69 slides to the bottom surface of the inner cavity of the limit box 75, and at the same time aligns the air outlet 68 with the second connecting port 77, and then pours the molybdenum concentrate hydrometallurgical wastewater that needs to be recycled into the inner cavity of the bottom box 3 through the feed pipe 4, and then lets it stand for thirty minutes; when the molybdenum concentrate hydrometallurgical wastewater in the inner cavity of the bottom box 3 and the top box 1 is stratified, connect the high-pressure blower 65 to the power supply and turn on the switch. As the air flows in, the gas enters the sewage outlet 835 from the third connecting pipe 831. During the process, the plastic film 834 is deformed due to the negative pressure, and the precipitated dirt is discharged through the sewage outlet 835; when the precipitated dirt is discharged, start the hydraulic cylinder 72 to move the moving rod 73. The rod 73 moves downward until the sliding frame 69 slides to the top surface of the inner cavity of the limit box 75, and at the same time aligns the air outlet 68 with the first connecting port 76. Under the influence of the airflow, the air discharged from the air outlet 68 is discharged into the inner cavity of the partition box 82 through the first connecting port 76, and the airflow blows the fan plate 842, and finally causes the rotating circle 841 to rotate. Thereafter, the gas is discharged into the inner cavity of the air outlet pipe 845 through the fourth connecting pipe 843, and is discharged from the holes of the air outlet pipe 845, generating a large number of bubbles. A large number of bubbles will carry fine impurities in the sewage to float up. When the airflow is generated, suction is generated in the inner cavity of the wrapping ring 63, which in turn generates suction in the sewage pipe 62, and finally the suspended dirt floating on the top surface of the inner cavity of the top box 1 is sucked out by the suction shell 61 and finally discharged from the sewage pipe 62.

[0056] Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without making creative efforts should fall within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described and explained in the present invention shall be implemented in accordance with conventional means in the field unless otherwise specified or limited.

Claims

1. A device for treating molybdenum concentrate hydrometallurgical wastewater, characterized in that: include: A top box (1), and a frame (2) fixedly connected to the outer surface of the top box (1); An airflow generating mechanism (6), the airflow generating mechanism (6) being used to generate an airflow in the inner cavity of the top box (1); A switching mechanism (7), the switching mechanism (7) is used to switch between two treatment modes of sewage sedimentation and flotation; A processing mechanism (8) for recovering and treating molybdenum concentrate hydrometallurgical wastewater, and a bottom box (3) fixedly connected to the outer surface of the processing mechanism (8); The bottom box (3) is sleeved on the outer surface of the top box (1), the airflow generating mechanism (6) is arranged on the outer surface of the top box (1), the switching mechanism (7) is fixedly connected to the outer side surface of the top box (1), and the processing mechanism (8) is slidably connected to the bottom of the top box (1) through the bottom box (3); The processing mechanism (8) comprises a track ring (81), a partition box (82) and a sedimentation mechanism (83), wherein the track ring (81) is fixedly connected to the inner wall of the bottom box (3), the partition box (82) is fixedly connected to the bottom surface of the inner cavity of the bottom box (3), and the sedimentation mechanism (83) is arranged at the bottom of the bottom box (3); The upper surface of the top box (1) is penetrated by a feed pipe (4), the bottom of the top box (1) is fixedly connected to a sealing ring (5), the sealing ring (5) is frictionally fitted with the inner wall of the bottom box (3), the airflow generating mechanism (6) comprises a dirt suction shell (61), the dirt suction shell (61) penetrates the top surface of the inner cavity of the top box (1), the upper surface of the dirt suction shell (61) is penetrated by a sewage pipe (62), the upper surface of the sewage pipe (62) near the end is provided with an air hole, the air hole of the sewage pipe (62) is sleeved with a wrapping ring (63), the lower surface of the wrapping ring (63) is penetrated by a first connecting pipe ( 66), the bottom end of the first connecting tube (66) is fixedly connected to an air box (64), the air box (64) is fixedly connected to the outer surface of the top box (1), the inner wall of the air box (64) is fixedly connected to a high-pressure fan (65), the air outlet of the high-pressure fan (65) faces directly downward, the bottom end of the air box (64) is penetrated by a second connecting tube (67), the end of the second connecting tube (67) is fixedly connected to an air outlet (68), the outer surface of the air outlet (68) is fixedly connected to a sliding frame (69), and the opening of the air outlet (68) is fixedly connected to a sealing ring (610).

2. A device for treating molybdenum concentrate hydrometallurgical wastewater according to claim 1, characterized in that: The switching mechanism (7) includes a fixed frame (71), the fixed frame (71) is fixedly connected to the outer side surface of the top box (1), a hydraulic cylinder (72) is fixedly connected to the inner wall of the fixed frame (71), a moving rod (73) is provided at the output end of the hydraulic cylinder (72), the bottom end of the moving rod (73) is fixedly connected to a connecting frame (74), the bottom end of the connecting frame (74) is fixedly connected to a limit box (75), and the sliding frame (69) is slidably connected to the inner cavity of the limit box (75).

3. A device for treating molybdenum concentrate hydrometallurgical wastewater according to claim 2, characterized in that: A first connection port (76) is passed through the inner wall of the limit box (75), and a second connection port (77) is passed through the inner wall of the limit box (75). The first connection port (76) is arranged between the track ring (81) and the partition box (82), and the second connection port (77) is arranged in the inner cavity of the partition box (82).

4. A device for treating molybdenum concentrate hydrometallurgical wastewater according to claim 3, characterized in that: The sedimentation mechanism (83) comprises a bottom plate (832), a collecting funnel (833) is fixedly connected to the inner wall of the bottom plate (832), a plastic film (834) is fixedly connected to the inner wall of the collecting funnel (833), and the number of the collecting funnels (833) is several, and the several collecting funnels (833) are evenly distributed.

5. A device for treating molybdenum concentrate hydrometallurgical wastewater according to claim 4, characterized in that: A third connecting pipe (831) passes through the bottom of the collecting funnel (833), an end of the third connecting pipe (831) passes through the lower surface of the bottom box (3), and a sewage outlet (835) passes through the end of the third connecting pipe (831) away from the bottom box (3).

6. The device for treating molybdenum concentrate hydrometallurgical wastewater according to claim 5, characterized in that: An air flotation mechanism (84) is rotatably connected between the track ring (81) and the partition box (82). The air flotation mechanism (84) comprises a rotating ring (841). The rotating ring (841) is rotatably connected between the track ring (81) and the partition box (82). A fan plate (842) is fixedly connected to the outer surface of the rotating ring (841). A fourth connecting pipe (843) passes through the inner circle of the rotating ring (841). A fixed plate (844) is fixedly connected to the outer surface of the fourth connecting pipe (843). The fixed plate (844) is fixedly connected to the inner circle of the rotating ring (841).

7. The device for treating molybdenum concentrate hydrometallurgical wastewater according to claim 6, characterized in that: The end of the fourth connecting pipe (843) is fixedly connected to an air outlet pipe (845), a plurality of holes are provided on the upper surface of the air outlet pipe (845), an agitating plate (846) is fixedly connected to the outer surface of the air outlet pipe (845), a blocking column (847) is slidably connected to the inner cavity of the air outlet pipe (845), the end of the blocking column (847) is fixedly connected to a spring (848), and the end of the spring (848) is fixedly connected to the inner wall of the air outlet pipe (845).

8. A method for treating molybdenum concentrate hydrometallurgical wastewater, using the device for treating molybdenum concentrate hydrometallurgical wastewater according to any one of claims 1 to 7, characterized in that: The following steps are involved: Step 1: Control the switching mechanism (7) so that the output end of the switching mechanism (7) moves upward until the processing mechanism (8) is in the sedimentation mode, and then pour the molybdenum concentrate hydrometallurgical wastewater to be recycled into the inner cavity of the bottom box (3) and let it stand for thirty minutes; Step 2: When the molybdenum concentrate hydrometallurgical wastewater in the inner cavities of the bottom box (3) and the top box (1) is stratified, the airflow generating mechanism (6) is connected to the power supply and turned on. As the airflow enters, the gas enters the bottom space of the treatment mechanism (8). During the process, the treatment mechanism (8) discharges the precipitated dirt. Step 3: After the precipitated dirt is completely discharged, the switching mechanism (7) is switched so that the output end of the switching mechanism (7) moves downward until the processing mechanism (8) is in the flotation mode. Under the influence of the airflow, the gas is discharged from the upper space of the processing mechanism (8) and a large number of bubbles are generated. The large number of bubbles will carry the fine impurities in the sewage to float up and are eventually discharged by the airflow generating mechanism (6).

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