Tailing wastewater treatment device

Abstract

The utility model is applicable to the technical field of tailing treatment, and provides a tailing wastewater treatment device which comprises a settling tank, a stirring mechanism is arranged on the settling tank, a wastewater inlet pipe is arranged at the top end of the settling tank, and a medicament adding tank is arranged on one side, deviating from the wastewater inlet pipe, of the top end of the settling tank. A material pushing mechanism is mounted at the bottom of the settling tank, a liquid conveying mechanism is mounted on the outer side wall of the settling tank, one end of the liquid conveying mechanism is fixedly communicated with the settling tank, and the other end of the liquid conveying mechanism is communicated with a filtering mechanism; the stirring mechanism is arranged at the bottom of the settling tank, so that the wastewater and the coagulant in the settling tank can be fully mixed conveniently, the mixing efficiency is greatly improved, the pushing mechanism is arranged at the bottom of the settling tank, sediments can be pushed and discharged conveniently, the deslagging is more convenient, the labor intensity of workers is reduced, and meanwhile, the wastewater treatment efficiency is improved; and the waste liquid is further filtered through the filtering mechanism, so that the emission standard is met.

Description

Technical Field

[0001] The utility model relates to the technical field of tailings treatment, in particular to a tailings wastewater treatment device. Background Art

[0002] The main harmful substances in tailings wastewater are heavy metal ions, various organic and inorganic flotation agents used in ore flotation, including highly toxic cyanide, cyanochromium compounds, etc. The wastewater also contains various insoluble coarse and fine dispersed impurities. Mineral processing wastewater often contains sulfates, chlorides or hydroxides of sodium, magnesium, calcium, etc. The acid in mineral processing wastewater is mainly formed by sulfur-containing minerals mixed with water after being oxidized by air.

[0003] The existing tailings wastewater treatment process has low treatment efficiency and high labor intensity. It is difficult for the tailings wastewater to be purified to meet the discharge standards, and it is also impossible to achieve effective recycling of resources. Utility Model Content

[0004] The utility model provides a tailings wastewater treatment device, aiming to solve the problems of low treatment efficiency, high manual labor intensity, difficulty in purifying tailings wastewater to meet discharge standards, and failure to achieve effective recycling of resources in the existing tailings wastewater treatment process.

[0005] The utility model is implemented as follows: a tailings wastewater treatment device comprises a sedimentation box, a stirring mechanism is arranged on the sedimentation box, a wastewater inlet pipe is arranged on the top of the sedimentation box, a reagent adding box is arranged on the side of the top of the sedimentation box away from the wastewater inlet pipe, a pushing mechanism is installed at the bottom of the sedimentation box, an infusion mechanism is installed on the outer side wall of the sedimentation box, one end of the infusion mechanism is fixedly connected to the sedimentation box, and the other end of the infusion mechanism is connected to a filtering mechanism.

[0006] The beneficial effects of adopting the above further scheme are: it is convenient to fully mix the wastewater and coagulant in the sedimentation tank through the stirring mechanism, which greatly improves the mixing efficiency. By installing a pushing mechanism at the bottom of the sedimentation tank, it is convenient to push the sediment out, and the slag discharge is more convenient, which reduces the labor intensity and improves the wastewater treatment efficiency. The waste liquid is further filtered by the filtering mechanism to meet the emission standards.

[0007] Preferably, the stirring mechanism comprises: a stirring motor, the stirring motor is installed at the middle position of the top end of the sedimentation box, the output end of the stirring motor is fixedly connected to a stirring shaft, and the stirring shaft is provided with a plurality of stirring paddles.

[0008] The beneficial effect of adopting the above further solution is that the wastewater and the coagulant are fully mixed by the stirring paddle on the stirring shaft, thereby improving the mixing efficiency.

[0009] Preferably, the pushing mechanism comprises: a cylinder, the cylinder is installed at the bottom of the sedimentation box, and the output end of the cylinder is fixedly connected with a pushing plate.

[0010] The beneficial effects of adopting the above further scheme are: convenient discharge of sediment, more convenient slag discharge, reduced labor intensity, and improved wastewater treatment efficiency.

[0011] Preferably, the infusion mechanism includes: a mounting plate, the mounting plate is arranged on the outer wall of the sedimentation box, a water pump is installed on the mounting plate, the water pump is provided with a liquid inlet pipe, one end of the liquid inlet pipe passes through the side wall of the sedimentation box, a filter tube is provided at one end of the liquid inlet pipe located inside the sedimentation box, and a drain pipe is provided at one end of the water pump away from the liquid inlet pipe.

[0012] The beneficial effect of adopting the above further scheme is that it is convenient to discharge the extracted wastewater and transport the wastewater.

[0013] Preferably, the filtering mechanism includes: a filter cylinder, the interior of the filter cylinder is a cavity, a liquid inlet valve is arranged on the top of the filter cylinder, the liquid inlet valve is fixedly connected to the other end of the drain pipe away from the water pump, a mechanical filter layer is arranged inside the filter cylinder, an activated carbon filter layer is arranged on one side of the mechanical filter layer of the filter cylinder, and a drain valve is arranged on the side of the filter cylinder close to the activated carbon filter layer.

[0014] The beneficial effect of adopting the above further scheme is that it is used to filter and purify the wastewater after precipitation with activated carbon, so that the treated wastewater can reach the normal discharge standard and can also be reused, which can ensure that the amount of water used for washing is reduced and the economic benefits are improved.

[0015] Preferably, the filtering mechanism further comprises: a flushing valve, which is arranged at the top end of the filter cylinder and located on one side of the liquid inlet valve, and a slag discharge valve is arranged at one end of the filter cylinder away from the liquid discharge valve.

[0016] The beneficial effect of adopting the above further scheme is that the mechanical filter layer and the activated carbon filter layer can be flushed regularly, and the filtered particles can be discharged through the slag discharge valve to ensure the filtering effect and enable the device to work normally.

[0017] Preferably, the sedimentation tank is provided with a slag discharge door below the infusion mechanism.

[0018] The beneficial effect of adopting the above further solution is that the sediment can be discharged easily.

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows: a tailings wastewater treatment device of the utility model is provided with a stirring mechanism installed on the sedimentation box, so that the wastewater and coagulant in the sediment are mixed fully through the stirring mechanism, thereby greatly improving the mixing efficiency; a pushing mechanism is installed at the bottom of the sedimentation box, so that the sediment can be pushed out conveniently, and slag discharge is more convenient, thereby reducing the labor intensity and improving the wastewater treatment efficiency; an infusion mechanism is provided on one side of the sedimentation box, so that the upper layer of waste liquid after sedimentation can be extracted through the infusion mechanism and transported to the filtering mechanism connected to the other end, and the waste liquid is further filtered through the filtering mechanism to meet the discharge standards. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the internal structure of the utility model;

[0021] Figure 2 for Figure 1 Enlarged structural diagram at A in the middle.

[0022] In the figure: 1. sedimentation tank; 2. stirring mechanism; 21. stirring motor; 22. stirring shaft; 23. stirring paddle; 3. wastewater inlet pipe; 4. reagent adding box; 5. pushing mechanism; 51. cylinder; 52. pushing plate; 6. infusion mechanism; 61. mounting plate; 62. water pump; 63. inlet pipe; 64. filter tube; 65. drain pipe; 7. filtering mechanism; 71. filter cylinder; 72. inlet valve; 73. mechanical filter layer; 74. activated carbon filter layer; 75. drain valve; 76. flushing valve; 77. slag discharge valve; 8. slag discharge door. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] See also Figure 1 and Figure 2 The utility model provides a technical solution for a tailings wastewater treatment device: a tailings wastewater treatment device, comprising a sedimentation tank 1, a stirring mechanism 2 is arranged on the sedimentation tank 1, a wastewater inlet pipe 3 is arranged at the top of the sedimentation tank 1, a reagent adding tank 4 is arranged on the side of the top of the sedimentation tank 1 away from the wastewater inlet pipe 3, a pushing mechanism 5 is installed at the bottom of the sedimentation tank 1, an infusion mechanism 6 is installed on the outer side wall of the sedimentation tank 1, one end of the infusion mechanism 6 is fixedly connected to the sedimentation tank 1, and the other end of the infusion mechanism 6 is connected to a filtering mechanism 7.

[0025] In this embodiment, a sedimentation tank 1 is provided to add a coagulant to the tailings wastewater through a reagent adding box 4 on the sedimentation tank 1, and precipitate in the sedimentation tank 1, wherein the wastewater is added to the sedimentation tank 1 through a waste liquid inlet pipe 3, and a stirring mechanism 2 is installed on the sedimentation tank 1, so that the wastewater and the coagulant in the sedimentation tank 1 are mixed conveniently through the stirring mechanism 2, thereby greatly improving the mixing efficiency, and a pushing mechanism 5 is installed at the bottom of the sedimentation tank 1, so that the sediment can be pushed out conveniently, and the slag discharge is more convenient, thereby reducing the labor intensity and improving the wastewater treatment efficiency, and an infusion mechanism 6 is provided on one side of the sedimentation tank 1, so that the upper waste liquid after precipitation can be extracted conveniently through the infusion mechanism 6 and transported to the filtering mechanism 7 connected to the other end, and the waste liquid is further filtered through the filtering mechanism 7 to meet the discharge standard.

[0026] Further, the stirring mechanism 2 comprises: a stirring motor 21, the stirring motor 21 is installed at the middle position of the top of the sedimentation tank 1, the output end of the stirring motor 21 is fixedly connected to the stirring shaft 22, and the stirring shaft 22 is provided with a plurality of stirring paddles 23.

[0027] In this embodiment, a stirring motor 21 is installed at the middle position of the top of the sedimentation box 1, wherein the output end of the stirring motor 21 is fixedly connected to a stirring shaft 22, the stirring shaft 22 passes through the top of the sedimentation box 1, and is located inside the sedimentation box 1. The stirring motor 21 is driven to drive the stirring shaft 22 to rotate, and the stirring paddle 23 on the stirring shaft 22 is used to fully mix the wastewater and the coagulant to improve the mixing efficiency.

[0028] Typically, the pushing mechanism 5 comprises: a cylinder 51, the cylinder 51 is mounted at the bottom of the sedimentation tank 1, and the output end of the cylinder 51 is fixedly connected to a push plate 52.

[0029] In this embodiment, the cylinder 51 is installed at the bottom of the sedimentation box 1, and a push plate 52 is fixedly connected to the top of the telescopic rod of the cylinder 51. Under the drive of the cylinder 51, the sediment at the bottom of the sedimentation box 1 is pushed out by the push plate 52, which facilitates the discharge of the sediment and the slag discharge, reduces the labor intensity, and improves the wastewater treatment efficiency.

[0030] Specifically, the infusion mechanism 6 includes: a mounting plate 61, the mounting plate 61 is arranged on the outer wall of the sedimentation box 1, a water pump 62 is installed on the mounting plate 61, a liquid inlet pipe 63 is arranged on the water pump 62, one end of the liquid inlet pipe 63 passes through the side wall of the sedimentation box 1, a filter tube 64 is arranged at one end of the liquid inlet pipe 63 located inside the sedimentation box 1, and a drain pipe 65 is arranged at one end of the water pump 62 away from the liquid inlet pipe 63.

[0031] In this embodiment, a mounting plate 61 is fixedly connected to the side wall of the sedimentation tank 1, and a water pump 62 is installed on the mounting plate 61. The liquid inlet end of the water pump 62 is connected to a liquid inlet pipe 63, wherein the liquid inlet pipe 63 passes through the side wall of the sedimentation tank 1 and extends to the interior. A filter tube 64 is provided at the end of the liquid inlet pipe 63 inside the sedimentation tank 1. The waste liquid is filtered by the filter tube 64 to prevent large particles of sediment from entering the liquid inlet pipe 63. A drain pipe 65 is connected to the liquid outlet end of the water pump 62 to facilitate the discharge of the extracted waste water.

[0032] In addition, the filtering mechanism 7 includes: a filter cylinder 71, the interior of the filter cylinder 71 is a cavity, a liquid inlet valve 72 is arranged at the top of the filter cylinder 71, the liquid inlet valve 72 is fixedly connected to the other end of the drain pipe 65 away from the water pump 62, a mechanical filter layer 73 is arranged inside the filter cylinder 71, an activated carbon filter layer 74 is arranged on one side of the mechanical filter layer 73 of the filter cylinder 71, and a drain valve 75 is arranged on the side of the filter cylinder 71 close to the activated carbon filter layer 74.

[0033] In this embodiment, a mechanical filter layer 73 and an activated carbon filter layer 74 are provided inside the filter cylinder 71 to perform activated carbon filtration and purification on the precipitated wastewater, so that the treated wastewater can reach the normal discharge standard and can also be reused, thereby ensuring that the amount of water used for washing is reduced and the economic benefits are improved. A liquid inlet valve 72 is provided on the filter cylinder 71, and the liquid inlet valve 72 is connected to the drain pipe 65. The precipitated wastewater is injected into the filter cylinder 71 through the infusion mechanism 6. A drain valve 75 is provided on the filter cylinder 71 to facilitate the discharge of the filtered wastewater.

[0034] In addition, the filter mechanism 7 further includes a flushing valve 76 , which is disposed at the top of the filter cylinder 71 and located on one side of the liquid inlet valve 72 , and a slag discharge valve 77 is disposed at one end of the filter cylinder 71 away from the drain valve 75 .

[0035] In this embodiment, a flushing valve 76 is provided on the filter cylinder 71, wherein the flushing valve 76 is located at the top of the cavity after filtration of the filter cylinder 71, and an external water pipe is connected through the flushing valve 76, so that the mechanical filter layer 73 and the activated carbon filter layer 74 can be flushed regularly, and the filtered particles can be discharged through the slag discharge valve 77, thereby ensuring the filtering effect and making the device work normally.

[0036] It should be noted that a slag discharge door 8 is provided in the sedimentation tank 1 below the liquid infusion mechanism 6 .

[0037] In this embodiment, the sediment inside the sedimentation box 1 can be discharged by providing a slag discharge door 8, wherein sealing rings are provided around the slag discharge door 8 to ensure the sealing of the device so that the device can work normally.

[0038] The working principle and use process of the utility model: after the utility model is installed, it is connected to an external power supply and an external water pipe, and wastewater is added to the sedimentation tank 1 through the waste liquid inlet pipe 3. The reagent adding box 4 adds coagulant to the sedimentation tank 1. Through the control of an external controller, the stirring motor 21 is driven to drive the stirring shaft 22 to rotate, and the wastewater and the coagulant are fully mixed by the stirring paddle 23 on the stirring shaft 22. After standing for a period of time, the wastewater from the sedimentation tank 1 is extracted through the liquid inlet pipe 63 by driving the water pump 62, and the precipitated wastewater is injected into the filter cylinder 71 through the drain pipe 65. The wastewater is filtered and purified by the mechanical filter layer 73 and the activated carbon filter layer 74, and the filtered wastewater is discharged from the drain valve 75. When the filter layer needs to be cleaned, the external water pipe is connected through the flushing valve 76, and the mechanical filter layer 73 and the activated carbon filter layer 74 are flushed, and the filtered particles are discharged through the slag discharge valve 77. The above completes the use process of a tailings wastewater treatment device.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A tailings wastewater treatment device, characterized in that: The invention comprises a sedimentation box (1), wherein a stirring mechanism (2) is arranged on the sedimentation box (1), a wastewater inlet pipe (3) is arranged at the top of the sedimentation box (1), a reagent adding box (4) is arranged on the side of the top of the sedimentation box (1) away from the wastewater inlet pipe (3), a pushing mechanism (5) is installed at the bottom of the sedimentation box (1), and an infusion mechanism (6) is installed on the outer wall of the sedimentation box (1), one end of the infusion mechanism (6) is fixedly connected to the sedimentation box (1), and the other end of the infusion mechanism (6) is connected to a filtering mechanism (7).

2. A tailings wastewater treatment device according to claim 1, characterized in that: The stirring mechanism (2) comprises: a stirring motor (21), the stirring motor (21) is installed at the middle position of the top end of the sedimentation tank (1), the output end of the stirring motor (21) is fixedly connected to a stirring shaft (22), and a plurality of stirring paddles (23) are arranged on the stirring shaft (22).

3. A tailings wastewater treatment device according to claim 1, characterized in that: The pushing mechanism (5) comprises: a cylinder (51), the cylinder (51) is installed at the bottom of the sedimentation box (1), and the output end of the cylinder (51) is fixedly connected to a pushing plate (52).

4. A tailings wastewater treatment device according to claim 1, characterized in that: The liquid infusion mechanism (6) comprises: a mounting plate (61), the mounting plate (61) being arranged on the outer wall of the sedimentation box (1), a water pump (62) being arranged on the mounting plate (61), a liquid inlet pipe (63) being arranged on the water pump (62), one end of the liquid inlet pipe (63) penetrating the side wall of the sedimentation box (1), a filter tube (64) being arranged at one end of the liquid inlet pipe (63) located inside the sedimentation box (1), and a drainage pipe (65) being arranged at one end of the water pump (62) facing away from the liquid inlet pipe (63).

5. A tailings wastewater treatment device according to claim 1, characterized in that: The filtering mechanism (7) comprises: a filtering cylinder (71), the interior of the filtering cylinder (71) being a cavity, a liquid inlet valve (72) being arranged at the top end of the filtering cylinder (71), the liquid inlet valve (72) being fixedly connected to the other end of the drain pipe (65) facing away from the water pump (62), a mechanical filtering layer (73) being arranged inside the filtering cylinder (71), an activated carbon filtering layer (74) being arranged on one side of the filtering cylinder (71) located on the mechanical filtering layer (73), and a liquid discharge valve (75) being arranged on the side of the filtering cylinder (71) close to the activated carbon filtering layer (74).

6. A tailings wastewater treatment device according to claim 5, characterized in that: The filtering mechanism (7) further comprises: a flushing valve (76), the flushing valve (76) being arranged at the top end of the filtering cylinder (71) and located on one side of the liquid inlet valve (72); a slag discharge valve (77) is arranged at one end of the filtering cylinder (71) away from the liquid discharge valve (75).

7. A tailings wastewater treatment device according to claim 1, characterized in that: The sedimentation box (1) is provided with a slag discharge door (8) below the liquid infusion mechanism (6).

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