Electroplating alkaline wastewater discharge equipment

Abstract

The utility model relates to the technical field of electroplating wastewater treatment, in particular to electroplating alkaline wastewater discharge equipment. According to the technical scheme, the device comprises a sedimentation tank and further comprises a stirring mechanism arranged in the sedimentation tank and used for carrying out fluid interlayer exchange on wastewater; the sliding mechanism is mounted in the sedimentation tank and is used for driving the stirring mechanism to horizontally and slowly move. According to the utility model, the sedimentation tank, the stirring mechanism, the sliding mechanism and other structures are matched, so that wastewater in the sedimentation tank can be uniformly mixed with a flocculating agent, the flocculation reaction efficiency is improved, and suspended matters and pollutants are more effectively removed. And the optimal dosage of the flocculant can be ensured through good mixing, excessive adding is avoided, and the treatment cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to electroplating wastewater treatment technical field especially relates to a kind of electroplating alkaline wastewater discharge equipment. BACKGROUND

[0002] Electroplating alkaline wastewater refers to the wastewater containing alkaline substances generated during electroplating process, usually containing heavy metal ions such as chromium, nickel, copper and other chemical substances. The electroplating alkaline wastewater discharge equipment mainly includes a sedimentation tank for settling sludge and precipitate generated during neutralization process. A flocculant is usually added in the conventional sedimentation tank to accelerate the sedimentation of suspended solids in electroplating alkaline wastewater. In the prior art, the flocculant is usually directly fed into the sedimentation tank. This method is simple, but the flocculant is easy to gather together, which leads to insufficient contact between the flocculant and suspended solids, so that the subsequent dosage needs to be increased to make up for the insufficient effect, resulting in rising cost and resource waste. SUMMARY

[0003] The utility model aims at the problem in the prior art that the flocculant is usually directly fed into the sedimentation tank. This method is simple, but the flocculant is easy to gather together, which leads to insufficient contact between the flocculant and suspended solids, so that the subsequent dosage needs to be increased to make up for the insufficient effect, resulting in rising cost and resource waste. A kind of electroplating alkaline wastewater discharge equipment is proposed.

[0004] The technical scheme of the utility model: a kind of electroplating alkaline wastewater discharge equipment, including sedimentation tank, still include: stirring mechanism, waste water is exchanged between fluid layer in the sedimentation tank is set;Sliding mechanism for driving stirring mechanism to move horizontally slowly is installed in the inside of the sedimentation tank.

[0005] Optionally, the sliding mechanism includes a pair of rotating shafts rotatably connected inside the sedimentation tank, the outer wall of the sedimentation tank is fixedly connected with a motor cover, the first motor is arranged in the motor cover, the output shaft of the first motor is movably penetrated through the sedimentation tank and fixedly connected with one end of one of the rotating shafts, the two ends of the rotating shaft are fixedly connected with a collet, the middle part of the collet is provided with a first gear, each pair of the rotating shafts is provided with a first gear belt around the opposite ends, the first gear belt is meshed and connected with the first gear, the middle part of each pair of the first gear belt is provided with a support shaft, and the two ends of the support shaft are fixedly connected with a fourth gear meshed and connected with the first gear belt.

[0006] Optionally, the fourth gear is fixedly connected with a protrusion on one side close to the inner wall of the sedimentation tank, and the inner wall of the sedimentation tank is provided with a pair of limiting sliding grooves for the protrusion on the fourth gear to be clamped into.

[0007] Optionally, the stirring mechanism comprises a support block movably sleeved with the support rotating rod, both ends of the support block are fixedly connected with sleeve pipes movably sleeved with the support rotating rod, the upper surface of the support block is fixedly connected with a support frame, the support frame is fixedly connected with a second motor, the output shaft of the second motor is fixedly connected with a third gear, and the lower surface of the third gear is rotatably connected with the upper surface of the support block.

[0008] Optionally, the stirring mechanism further comprises a second gear belt arranged on the support block and meshingly connected with the third gear, both ends of the second gear belt are meshingly sleeved with second gears, the lower surface of the support block is fixedly connected with a pair of counterweights for keeping the support block in a balanced state, and the lower surfaces of the second gears are fixedly connected with stirring rods movably penetrating through the support block and the support frame.

[0009] Optionally, the lower surface of the support block is provided with a charging bin, the lower surface of the charging bin is provided with a pair of discharge pipes corresponding to the stirring rods, and the discharge pipes are all provided with on-off valves.

[0010] Optionally, both ends of the support block are provided with a pair of clamping blocks, and the ends, away from the support block, of the clamping blocks are all provided with arc-shaped clamping grooves for clamping corresponding rotating shaft rods.

[0011] Optionally, the inner wall of the sedimentation tank is rotatably connected with a plurality of support blocks abutting against the first gear belt, and the upper surfaces of the support blocks are rotatably connected with a plurality of abutting wheels abutting against the second gear belt.

[0012] To sum up, the present application has at least one of the following beneficial technical effects:

[0013] The present application utilizes the cooperation of the sedimentation tank, the stirring mechanism and the sliding mechanism and the like structures, so that the wastewater and the flocculant in the sedimentation tank can be uniformly mixed, the efficiency of the flocculation reaction is improved, and thus the suspended solids and pollutants can be more effectively removed. Good mixing can ensure the optimal dosage of the flocculant, avoid excessive addition, and reduce the treatment cost. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A structure schematic view of the electroplating alkaline wastewater discharge equipment is given;

[0015] Figure 2 For Figure 1 A split structure schematic view is given;

[0016] Figure 3 For Figure 2 A partial structure schematic view is given;

[0017] Figure 4 For Figure 1 A connection structure schematic view of the rotating shaft rod, the clamping sleeve and the first gear is given.

[0018] Fig. 1 is a sedimentation tank; 11 is a limiting chute; 12 is a first motor; 13 is a rotating shaft; 14 is a sleeve; 15 is a first gear; 16 is a first gear belt; 17 is a supporting block; 2 is a supporting block; 21 is a second gear belt; 22 is a second gear; 23 is a stirring rod; 24 is a clamping block; 25 is an arc-shaped clamping groove; 26 is a sleeve; 27 is a wheel; 3 is a supporting frame; 31 is a second motor; 32 is a third gear; 4 is a supporting rotating rod; 41 is a fourth gear; 5 is a charging bin; 51 is a discharging pipe; 52 is an on-off valve; 6 is a counterweight. DETAILED DESCRIPTION

[0019] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application.

[0020] The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but merely represents selected embodiments of the present application.

[0021] Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance.

[0023] It should be noted that the terms "comprise", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the processes, methods, articles or devices comprising a series of elements not only include those elements, but also include other elements not explicitly listed or inherent to such processes, methods, articles or devices. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0024] In the description of the utility model, it is to explain, unless there is explicit provision and limitation, the term "installation", "link", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through the intermediate medium, can be the communication of two elements inside, for the ordinary skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to specific circumstances.

[0025] Embodiment

[0026] As Figures 1 to 4 The utility model discloses an electroplating alkaline wastewater discharge equipment, including sedimentation tank 1, still includes: stirring mechanism is set up in the sedimentation tank 1 to the exchange between fluid layers to wastewater, is installed in the inside of sedimentation tank 1 for driving the slow movement of stirring mechanism horizontal sliding mechanism. Flocculating agent and wastewater uniform mixing can also improve the formation and settling velocity of floc, enhance the treatment capacity and effect of sedimentation tank, reduce the turbidity in effluent. In addition, through effective mixing and flocculation, heavy metals and other pollutants in wastewater can be better removed, reducing the secondary pollution risk to the environment.

[0027] Further, the sliding mechanism includes a pair of rotating shaft rods 13 rotatably connected inside the sedimentation tank 1, the outer wall of the sedimentation tank 1 is fixedly connected with a motor sleeve, a first motor 12 is arranged in the motor sleeve, the outer portion of the first motor 12 is provided with a motor sleeve, one end of the motor sleeve is fixedly connected with the outer wall of the sedimentation tank 1. The output shaft of the first motor 12 is movably penetrated through the sedimentation tank 1 and fixedly connected with one end of one of the rotating shaft rods 13, the two ends of the rotating shaft rod 13 are fixedly connected with a clamping sleeve 14, the clamping sleeve 14 ensures that the first gear belt 16 does not deviate from the meshing with the first gear 15 during operation. The middle portion of the clamping sleeve 14 is provided with a first gear 15, each pair of rotating shaft rods 13 is sleeved with a first gear belt 16 at the opposite ends, the inner wall of the sedimentation tank 1 is rotatably connected with a plurality of support blocks 17 abutting against the first gear belt 16, the support blocks 17 ensure that the first gear belt 16 is always meshed and connected with the first gear 15. The upper surface of the support block 2 is rotatably connected with a plurality of abutting wheels 27 abutting against the second gear belt 21, the abutting wheels 27 ensure that the second gear belt 21 and the second gear 22 can be closely meshed. The first gear belt 16 is meshed and connected with the first gear 15, the middle portion of the pair of first gear belts 16 is provided with a support rod 4, the two ends of the support rod 4 are fixedly connected with a fourth gear 41 meshed and connected with the first gear belt 16, one side of the fourth gear 41 close to the inner wall of the sedimentation tank 1 is fixedly connected with a protrusion, the inner wall of the sedimentation tank 1 is provided with a pair of limiting sliding grooves 11 for the protrusions on the fourth gear 41 to be clamped into.

[0028] The stirring mechanism comprises a supporting block 2 movably sleeved with the supporting rotating rod 4, a pair of clamping blocks 24 arranged at both ends of the supporting block 2, and an arc-shaped clamping groove 25 arranged at the end of the clamping block 24 away from the supporting block 2, the arc-shaped clamping groove 25 is used for clamping the corresponding rotating shaft 13, thereby preventing the stirring mechanism from moving too far. Both ends of the supporting block 2 are fixedly connected with a sleeve 26 movably sleeved with the supporting rotating rod 4, the sleeve 26 is used for keeping the supporting block 2 in the middle position of the supporting rotating rod 4, so that the stirring rod 23 can be uniformly distributed in the sedimentation tank 1 for stirring. The upper surface of the supporting block 2 is fixedly connected with a supporting frame 3, the supporting frame 3 is fixedly connected with a second motor 31, the output shaft of the second motor 31 is fixedly connected with a third gear 32, and the lower surface of the third gear 32 is rotatably connected with the upper surface of the supporting block 2.

[0029] Secondly, the stirring mechanism further comprises a second gear belt 21 arranged on the supporting block 2 and meshingly connected with the third gear 32, both ends of the second gear belt 21 are meshingly sleeved with a second gear 22, the lower surface of the supporting block 2 is fixedly connected with a pair of counterweight blocks 6 for keeping the supporting block 2 in a balanced state, and the counterweight blocks 6 are made of heavy metal. The lower surface of the second gear 22 is fixedly connected with a stirring rod 23 movably penetrating through the supporting block 2 and the supporting frame 3, the top of the stirring rod 23 is fixedly sleeved with a clamping sleeve for clamping the stirring rod 23 to rotate at a specified height, and the clamping sleeve is used for avoiding the second gear 22 from being disengaged from the second gear belt 21.

[0030] Further, the lower surface of the supporting block 2 is provided with a charging bin 5, the lower surface of the charging bin 5 is provided with a pair of discharge pipes 51 corresponding to the stirring rod 23, and the discharge pipes 51 are provided with on-off valves 52, the on-off valves 52 are devices for controlling the flow of fluid (such as liquid or gas).

[0031] In the embodiment, when the electroplating alkaline wastewater discharge device needs to be used, the on-off valves 52 are opened, the second motor 31 is started, the third gear 32 is driven to rotate, the second gear 22 is driven to rotate, the second gear belt 21 is driven to rotate, and the stirring rod 23 is driven to rotate. Figure 1As shown, first start the second motor 31 on the support frame 3, then the output shaft of the second motor 31 drives the third gear 32 to rotate. Since the third gear 32 is meshed with the second gear belt 21, the third gear 32 drives a pair of second gears 22 to rotate through the second gear belt 21, and the rotated second gears 22 drive the corresponding lower stirring rods 23 to stir and mix the wastewater in the sedimentation tank 1. Then add the liquid flocculant to the inside of the charging bin 5, and open the switch valve 52 on the pair of discharge pipes 51, at this time the liquid flocculant in the charging bin 5 will flow to the wastewater in the sedimentation tank 1 through the discharge pipe 51. At the same time, start the first motor 12 on the outer wall of the sedimentation tank 1, the output shaft of the first motor 12 drives the rotating shaft 13 to rotate, since the first gears 15 at both ends of the rotating shaft 13 are meshed with the first gear belt 16, the first gear belt 16 rotates through a pair of rotating shafts 13. Then since the first gear belt 16 is meshed with the fourth gears 41 at both ends of the support rotating rod 4, the first gear belt 16 drives the support rotating rod 4 to rotate horizontally in the sedimentation tank 1. Again, the pair of support frames 3 at the bottom of the support block 2 make the side of the support block 2 close to the support frame 3 receive more gravity, so the side of the support block 2 with the support frame 3 is always downward, and this can always maintain a balanced state. At the same time, the protrusions on the fourth gears 41 are clamped in the limiting sliding groove 11 in the sedimentation tank 1 to slide, that is, the direction of the stirring mechanism driven by the support rotating rod 4. Finally, the stirring mechanism moves horizontally and slowly in the sedimentation tank 1, and the forward and reverse rotation of the first motor 12 can realize the reciprocating horizontal sliding of the stirring mechanism in the sedimentation tank 1, and the stirring of the flocculant and the wastewater is uniform.

[0032] The preferred embodiments of the above utility model are only used to help explain the utility model. The preferred embodiments do not describe all the details, nor limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that those skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. An electroplating alkaline wastewater discharge apparatus comprising a sedimentation tank (1), characterized in that, Also include: Stirring mechanism, set in the sedimentation tank (1) for wastewater fluid layer exchange; Sliding mechanism installed in the inside of the sedimentation tank (1) for driving the stirring mechanism horizontal slow movement; The sliding mechanism includes a pair of rotating shaft (13) is rotatably connected in the inside of the sedimentation tank (1), the outer wall of the sedimentation tank (1) is fixedly connected with motor cover, the first motor (12) is arranged in the motor cover, the output shaft of the first motor (12) is movably penetrated through the sedimentation tank (1) and is fixedly connected with one end of one rotating shaft (13), the both ends of the rotating shaft (13) are fixedly connected with the sleeve (14), the middle part of the sleeve (14) is provided with the first gear (15), the opposite ends of each pair of rotating shaft (13) are provided with the first gear belt (16), the first gear belt (16) is meshed with the first gear (15), the middle part of a pair of first gear belt (16) is provided with the support shaft (4), the both ends of the support shaft (4) are fixedly connected with the fourth gear (41) which is meshed with the first gear belt (16). The stirring mechanism includes the support block (2) movably sleeved with the support shaft (4), the both ends of the support block (2) are fixedly connected with the sleeve (26) movably sleeved with the support shaft (4), the upper surface of the support block (2) is fixedly connected with the support frame (3), the support frame (3) is fixedly connected with the second motor (31), the output shaft of the second motor (31) is fixedly connected with the third gear (32), the lower surface of the third gear (32) is rotatably connected with the upper surface of the support block (2).

2. The electroplating alkaline wastewater discharge apparatus according to claim 1, wherein The fourth gear (41) is fixedly connected with the protrusion on one side close to the inner wall of the sedimentation tank (1), and the inner wall of the sedimentation tank (1) is provided with a pair of limiting sliding grooves (11) for the protrusion on the fourth gear (41).

3. The electroplating alkaline wastewater discharge apparatus according to claim 1, wherein The stirring mechanism further includes the second gear belt (21) arranged on the support block (2) and meshed with the third gear (32), the both ends of the second gear belt (21) are meshed and sleeved with the second gear (22), the lower surface of the support block (2) is fixedly connected with a pair of counterweight blocks (6) for keeping the support block (2) in a balanced state, and the lower surface of the second gear (22) is fixedly connected with the stirring rod (23) movably penetrating through the support block (2) and the support frame (3).

4. The electroplating alkaline wastewater discharge apparatus according to claim 3, wherein The lower surface of the support block (2) is provided with a charging bin (5), the lower surface of the charging bin (5) is provided with a pair of discharge pipes (51) corresponding to the stirring rod (23), and the discharge pipes (51) are provided with on-off valves (52).

5. The electroplating alkaline wastewater discharge apparatus according to claim 1, wherein The both ends of the support block (2) are provided with a pair of clamping blocks (24), and the ends away from the support block (2) of the clamping blocks (24) are provided with arc clamping grooves (25) for clamping the corresponding rotating shaft (13).

6. The electroplating alkaline wastewater discharge apparatus according to claim 3, wherein The inner wall of the sedimentation tank (1) is rotatably connected with a plurality of support blocks (17) abutting against the first gear belt (16), and the upper surface of the support block (2) is rotatably connected with a plurality of abutting wheels (27) abutting against the second gear belt (21).

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