Wastewater treatment device

Abstract

The utility model discloses a wastewater treatment device which comprises a bottom bearing frame, a mixing mechanism is arranged at the upper end of the bottom bearing frame, a flocculate discharging mechanism is arranged at the bottom end of the mixing mechanism, and the mixing mechanism comprises a mixing box fixedly arranged at the upper end of the bottom bearing frame. A flocculate deposition box is fixedly arranged at the bottom of the mixing box, a conveying shaft is rotatably connected to the interior of the flocculate deposition box, and a gear motor is fixedly connected to the surface of the mixing box. According to the wastewater treatment device provided by the utility model, the flocculate discharge mechanism is arranged, flocculate which is flocculated in the mixing box is deposited into the flocculate deposition box, and after sewage is discharged through the drainage pipe, the flocculate can be independently discharged in a large scale in cooperation with the conveying of the conveying shaft; and therefore, equipment blockage caused by accumulation of flocculate can be effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to metallurgical wastewater treatment technical field especially relates to a wastewater treatment device. BACKGROUND

[0002] Metallurgy is the process of extracting metals from ores through physical and chemical methods and processing them into products, involving mining, ore dressing, smelting, refining and other links. Metallurgical wastewater is wastewater containing metal ions, acid-base substances and toxic chemical pollutants generated in metallurgical production, mainly from smelting, cooling and washing processes. The treatment of metallurgical wastewater usually adopts chemical precipitation, physical filtration, biological treatment and membrane separation methods to remove harmful substances and reduce environmental pollution.

[0003] As disclosed in Chinese patent publication No. (CN213171817U), an environmental protection type metallurgical wastewater treatment device is disclosed, which comprises a box body, a sedimentation chamber is arranged inside the box body, a wastewater inlet is arranged at the top of the sedimentation chamber, a first conical funnel is fixedly connected to the bottom of the sedimentation chamber, a sedimentation chamber outlet is fixedly connected to the bottom of the first conical funnel, a first filter plate is arranged inside the sedimentation chamber, an ozone generating chamber is connected to the right side of the sedimentation chamber through a water pipe, and an ozone generator is arranged inside the ozone generating chamber. The device first performs sedimentation treatment on the sewage to remove non-metallic particulate matter in the wastewater, then uses the ozone generator to oxidize and treat the metal suspended matter in the wastewater to remove part of the metal suspended matter, and finally adds a precipitating agent to the wastewater and thoroughly stirs the wastewater to completely remove the metal suspended matter in the wastewater. The device has a simple structure and good wastewater treatment effect.

[0004] In summary, the device also has the following technical problems: after adding flocculating agent to the wastewater, the flocculated dirt is always inside the mixing tank. When draining, the flocculated dirt adheres to the surface of the filter screen, which can cause the filter screen to be blocked after a long time, thereby causing the sewage treatment equipment to be unable to work continuously. Therefore, it is necessary to propose a wastewater treatment device to solve the technical problems mentioned in the above patent and provide a new technical solution. UTILITY MODEL CONTENTS

[0005] Therefore, it is necessary to provide a wastewater treatment device to solve the above technical problems by setting a flocculating material discharge mechanism. After the flocculating material in the mixing tank is flocculated and deposited in the flocculating material deposition tank, the wastewater is discharged through the drain pipe, and the conveying shaft is used to realize the separate discharge of the flocculating material, thereby effectively avoiding the blockage of the equipment caused by the accumulation of the flocculating material.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A wastewater treatment device is applied to metallurgical wastewater filtration.

[0008] The wastewater treatment device specifically comprises a bottom support frame, the upper end of the bottom support frame is provided with a mixing mechanism, and the bottom end of the mixing mechanism is provided with a flocculating material discharge mechanism.

[0009] The mixing mechanism comprises a mixing box fixedly arranged at the upper end of the bottom support frame, the bottom of the mixing box is fixedly provided with a flocculating material deposition box, and the inside of the flocculating material deposition box is rotationally connected with a conveying shaft.

[0010] As a preferred embodiment of the wastewater treatment device, the surface of the mixing box is fixedly connected with a speed reducer, the transmission end of the speed reducer is rotationally connected with a stirring rod, the stirring rod is rotationally arranged in the inside of the mixing box, and the surface of the stirring rod is fixedly connected with mixing blades.

[0011] As a preferred embodiment of the wastewater treatment device, the end, away from the speed reducer, of the stirring rod is fixedly connected with a driving pulley, the surface of the conveying shaft is fixedly connected with a driven pulley, and the middle part of the driven pulley and the driving pulley are transmissionally connected with a transmission belt.

[0012] As a preferred embodiment of the wastewater treatment device, the surface of the conveying shaft is fixedly connected with a fixing disc, the surface of the fixing disc is fixedly connected with a shaft rod, the end, away from the fixing disc, of the shaft rod is rotationally connected with a ratchet, the surface of the shaft rod is sleeved with a torsion spring, the two ends of the torsion spring are fixedly connected with the ratchet and the fixing disc respectively, the surface of the driven pulley is fixedly connected with a ratchet wheel, and the ratchet is clamped in the middle part of the ratchet wheel.

[0013] As a preferred embodiment of the wastewater treatment device, the surface of the mixing box is fixedly connected with a feeding port, and the two ends of the mixing box are fixedly connected with a water inlet pipe and a drain pipe respectively.

[0014] As a preferred embodiment of the wastewater treatment device, the bottom surface of the flocculating material deposition box is communicationally provided with a blowdown pipe, and the middle part of the blowdown pipe is fixedly provided with a control valve.

[0015] Compared with the prior art, the wastewater treatment device has the following beneficial effects:

[0016] The wastewater treatment device provided by the utility model has the advantages that the flocculating material discharge mechanism is arranged, the flocculating material that is flocculated in the mixing box is deposited in the inside of the flocculating material deposition box, the flocculating material can be discharged alone through the conveying of the conveying shaft after the sewage is discharged through the drain pipe, and thus the equipment can be effectively prevented from being blocked due to the accumulation of the flocculating material.

[0017] The wastewater treatment device provided by the utility model realizes the mixing of flocculants and sewage through the clockwise rotation of the speed reducer motor, and realizes the conveying of flocculants through the reverse transmission. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the scheme in the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0019] Figure 1 It is the overall structure schematic view of the wastewater treatment device provided by the utility model;

[0020] Figure 2 It is the plane structure schematic view of the wastewater treatment device provided by the utility model;

[0021] Figure 3 It is the wastewater treatment device provided by the utility model Figure 2 The cross section structure schematic view of A-A in it;

[0022] Figure 4 It is the internal structure schematic view of the mixing mechanism and the flocculant discharging mechanism of the wastewater treatment device provided by the utility model;

[0023] Figure 5 It is the wastewater treatment device provided by the utility model Figure 4 The enlarged structure schematic view of A in it.

[0024] The mark in the drawing is explained as follows:

[0025] 1, bottom bearing frame; 2, mixing mechanism; 3, flocculant discharging mechanism; 4, mixing box; 5, water inlet pipe; 6, drain pipe; 7, feed inlet; 8, speed reducer motor; 9, stirring rod; 10, mixing blade; 11, flocculant deposition box; 12, conveying shaft; 13, blowdown pipe; 14, control valve; 15, driving pulley; 16, driven pulley; 17, transmission belt; 18, fixed disc; 19, ratchet wheel; 20, shaft; 21, ratchet; 22, torsional spring. DETAILED DESCRIPTION

[0026] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor shall belong to the scope of protection of the present application.

[0027] As described in the background, after adding flocculating agent in the wastewater, the flocculated dirt is always in the inside of the mixing box, and when the water is drained, the flocculated dirt adheres to the surface of the filter screen, which will cause the blockage of the filter screen for a long time, thereby causing the sewage treatment equipment to be unable to work continuously.

[0028] In order to solve this technical problem, the present application provides a wastewater treatment device which is applied to metallurgical wastewater filtration.

[0029] Specifically, please refer to Figures 1-2 The wastewater treatment device specifically comprises a bottom support frame 1, the upper end of the bottom support frame 1 is provided with a mixing mechanism 2, and the bottom end of the mixing mechanism 2 is provided with a flocculating material discharge mechanism 3.

[0030] The mixing mechanism 2 comprises a mixing box 4 fixedly arranged at the upper end of the bottom support frame 1, the bottom of the mixing box 4 is fixedly provided with a flocculating material deposition box 11, and the inside of the flocculating material deposition box 11 is rotatably connected with a conveying shaft 12.

[0031] The wastewater treatment device provided by the present application can realize the separate discharge of the flocculating material by depositing the flocculating material in the inside of the flocculating material deposition box 11 after the flocculation in the inside of the mixing box 4 and cooperating with the conveying of the conveying shaft 12 after the sewage is discharged through the drain pipe 6, thereby effectively avoiding the blockage of the equipment caused by the accumulation of the flocculating material.

[0032] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application.

[0033] Embodiment 1:

[0034] Please refer to Figures 1-3 A wastewater treatment device comprises a bottom support frame 1, the upper end of the bottom support frame 1 is provided with a mixing mechanism 2, and the bottom end of the mixing mechanism 2 is provided with a flocculating material discharge mechanism 3.

[0035] Specifically, the surface of the mixing box 4 is fixedly connected with a speed reducer 8, the transmission end of the speed reducer 8 is rotatably connected with a stirring rod 9, the stirring rod 9 is rotatably arranged in the mixing box 4, and the surface of the stirring rod 9 is fixedly connected with a mixing blade 10.

[0036] Specifically, the surface of the mixing box 4 is fixedly connected with a feeding port 7, and the two ends of the mixing box 4 are respectively fixedly connected with a water inlet pipe 5 and a drain pipe 6.

[0037] Through the above structural design, when the device is used, sewage is added to the inside of the mixing box 4 through the water inlet pipe 5, and after completion, the speed reducer 8 is started, the speed reducer 8 drives the stirring rod 9 to cooperate with the mixing blade 10 to stir the sewage in the mixing box 4, at the same time, the flocculating agent is added to the inside of the mixing box 4 through the feeding port 7, the mixed flocculating material is deposited in the flocculating material deposition box 11, at this time, the speed reducer 8 is closed and the drain pipe 6 is opened, so that the water body and the flocculating material are separated and the water body is discharged.

[0038] Example 2:

[0039] The wastewater treatment device provided in Example 1 is further optimized, specifically, as shown in Figures 3-5 The mixing mechanism 2 includes a mixing box 4 fixedly arranged on the upper end of the bottom support frame 1, the bottom of the mixing box 4 is fixedly provided with a flocculating material deposition box 11, and the inside of the flocculating material deposition box 11 is rotatably connected with a conveying shaft 12.

[0040] Specifically, the end of the stirring rod 9 away from the speed reducer 8 is fixedly connected with a driving pulley 15, the surface of the conveying shaft 12 is fixedly connected with a driven pulley 16, and the middle part of the driven pulley 16 and the driving pulley 15 are transmissionally connected with a transmission belt 17.

[0041] Specifically, the surface of the conveying shaft 12 is fixedly connected with a fixed disc 18, the surface of the fixed disc 18 is fixedly connected with a shaft rod 20, the end of the shaft rod 20 away from the fixed disc 18 is rotatably connected with a ratchet 21, the surface of the shaft rod 20 is sleeved with a torsion spring 22, the two ends of the torsion spring 22 are respectively fixedly connected with the ratchet 21 and the fixed disc 18, the surface of the driven pulley 16 is fixedly connected with a ratchet wheel 19, and the ratchet 21 is clamped in the middle part of the ratchet wheel 19.

[0042] Specifically, the bottom surface of the flocculating material deposition box 11 is communicationally provided with a sewage discharge pipe 13, and the middle part of the sewage discharge pipe 13 is fixedly provided with a control valve 14.

[0043] Through the above structural design, the control reduction motor 8 reverse transmission, the reduction motor 8 transmission through the stirring rod 9 drive driving pulley 15 rotation, driving pulley 15 through the transmission belt 17 drive driven pulley 16 rotation, driven pulley 16 rotation at the same time ratchet 21 card in the inside of ratchet wheel 19, and then can drive the conveying shaft 12 rotation, at this time control control valve 14 open, conveying shaft 12 will flocculation material through the drain pipe 13 discharge, and then can realize the water body and flocculation material respectively discharge.

Claims

1. A wastewater treatment apparatus, characterized by; Including the bottom carrier (1), the upper end of the bottom carrier (1) is provided with a mixing mechanism (2), and the bottom end of the mixing mechanism (2) is provided with a flocculation discharge mechanism (3); The mixing mechanism (2) comprises a mixing box (4) fixedly arranged at the upper end of the bottom carrier (1), and the bottom of the mixing box (4) is fixedly provided with a flocculation deposition box (11), and the inside of the flocculation deposition box (11) is rotatably connected with a conveying shaft (12).

2. The wastewater treatment device according to claim 1, characterized by The surface of the mixing box (4) is fixedly connected with a speed reducer (8), the transmission end of the speed reducer (8) is rotatably connected with a stirring rod (9), the stirring rod (9) is rotatably arranged in the inside of the mixing box (4), and the surface of the stirring rod (9) is fixedly connected with a mixing blade (10).

3. The wastewater treatment device according to claim 2, characterized by The end of the stirring rod (9) away from the speed reducer (8) is fixedly connected with a driving pulley (15), the surface of the conveying shaft (12) is fixedly connected with a driven pulley (16), and the middle part of the driven pulley (16) and the driving pulley (15) are drivingly connected with a transmission belt (17).

4. The wastewater treatment device according to claim 3, characterized by The surface of the conveying shaft (12) is fixedly connected with a fixed disc (18), the surface of the fixed disc (18) is fixedly connected with a shaft rod (20), one end of the shaft rod (20) away from the fixed disc (18) is rotatably connected with a ratchet (21), the surface of the shaft rod (20) is sleeved with a torsional spring (22), both ends of the torsional spring (22) are fixedly connected with the ratchet (21) and the fixed disc (18), the surface of the driven pulley (16) is fixedly connected with a ratchet wheel (19), and the ratchet (21) is clamped in the middle part of the ratchet wheel (19).

5. The wastewater treatment device according to claim 2, characterized by The surface of the mixing box (4) is fixedly connected with a feeding port (7), and the both ends of the mixing box (4) are respectively fixedly connected with a water inlet pipe (5) and a drain pipe (6).

6. The wastewater treatment device of claim 1, wherein The bottom surface of the flocculation deposition box (11) is communicated with a blowdown pipe (13), and the middle part of the blowdown pipe (13) is fixedly provided with a control valve (14).

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