Electroplating wastewater sludge optimized treatment equipment

Abstract

The utility model discloses an electroplating wastewater sludge optimization treatment equipment, including wastewater treatment tank and the sludge settling tank of installing in wastewater treatment tank downside, the right side of sludge settling tank is provided with ordinary sludge collection groove, the right side of ordinary sludge collection groove is provided with heavy metal sludge collection groove, the downside of sludge settling tank is provided with sludge filter press, the inside of sludge settling tank is provided with intercepting box, the upper end outer wall of intercepting box is fixedly connected with the concentration box, the circular outer wall of concentration box is fixedly connected with a plurality of guide tubes, to guide wastewater sludge to enter the inside of intercepting box, through installing concentration box, intercepting box and guide pipe, through the interception of the intercepting screen in the inside of intercepting box, the smaller particle size of suspended particle is intercepted, prevents its on floating, makes the sludge intercept, accelerates the settlement speed, when the sludge of subsequent extraction, can reduce the sewage content carried.

Description

Technical Field

[0001] This utility model belongs to the technical field of resource recycling and utilization, specifically relating to an optimized treatment device for electroplating wastewater and sludge. Background Technology

[0002] Electroplating wastewater and sludge optimization treatment equipment is a specialized device for the comprehensive treatment of wastewater and sludge generated in the electroplating industry. This equipment aims to efficiently and environmentally treat the sludge produced during the electroplating wastewater treatment process, achieving resource recovery and harmless treatment, and reducing negative environmental impacts.

[0003] However, in sludge settling tanks, sludge and water are separated by gravity settling, which results in a relatively slow settling speed. This is equivalent to some small suspended particles, and the settling effect is not good. Utility Model Content

[0004] The purpose of this invention is to provide an optimized treatment device for electroplating wastewater sludge, in order to solve the problem mentioned in the background art that relies on gravity sedimentation to separate sludge and water, and the sedimentation speed is relatively slow.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an electroplating wastewater sludge optimization treatment device, comprising a wastewater treatment tank and a sludge settling tank installed on the lower side of the wastewater treatment tank; A regular sludge collection tank is provided on the right side of the sludge settling tank. A heavy metal sludge collection tank is provided on the right side of the ordinary sludge collection tank. A sludge filter press is installed on the lower side of the sludge settling tank; The sludge settling tank is equipped with an interception box inside. A collection box is fixedly connected to the upper outer wall of the interception box. Multiple guide pipes are fixedly connected to the circular outer wall of the collection box to guide wastewater and sludge into the interior of the interception box.

[0006] Preferably, a restriction opening is provided inside the upper outer wall of the interception box.

[0007] Preferably, an interception net is fixedly connected between the inner walls of the left and right ends of the interception box to intercept upward floating impurities.

[0008] Preferably, the upper outer wall of the sludge settling tank is provided with a water inlet to guide the sludge wastewater treated by the wastewater treatment tank into the sludge settling tank.

[0009] Preferably, a sludge pump is installed inside the sludge settling tank to suck up sludge, and a suction pipe that passes through the interception box and the sludge settling tank is fixedly connected to the upper outer wall of the sludge pump.

[0010] Preferably, a conveying pipeline is provided between the sludge settling tank and the ordinary sludge collection tank and the heavy metal sludge collection tank.

[0011] Preferably, a waste sludge discharge device is provided on the lower side of the sludge filter press, and a recyclable sludge discharge device is provided on the left side of the waste sludge discharge device.

[0012] Preferably, both the ordinary sludge collection tank and the heavy metal sludge collection tank are made of high-performance polypropylene material.

[0013] Compared with the prior art, this utility model provides an optimized treatment device for electroplating wastewater sludge, which has the following beneficial effects: By installing a central collection box, an interception box, and a guide pipe, when wastewater and sludge enter the sludge settling tank, the central collection box diverts the wastewater and sludge through the guide pipe and transports it to the internal interception box. The interception box's internal mesh intercepts smaller suspended particles, preventing them from floating to the surface. This interception of the sludge accelerates the settling speed, reducing the amount of wastewater it carries when the sludge is subsequently extracted. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of an optimized treatment equipment for electroplating wastewater and sludge according to the present invention.

[0015] Figure 2 This is a frontal partial structural diagram of the sludge settling tank area of ​​this utility model.

[0016] Figure 3 This is a partial structural diagram of the sludge pump area of ​​this utility model.

[0017] Figure 4 This is a top view of a partial structural diagram of the centralized box area of ​​this utility model.

[0018] In the diagram: 1. Wastewater treatment tank; 2. Sludge settling tank; 3. Conveying pipeline; 4. Ordinary sludge collection tank; 5. Heavy metal sludge collection tank; 6. Sludge filter press; 7. Waste sludge discharge device; 8. Recyclable sludge discharge device; 9. Inlet; 10. Collection box; 11. Suction pipe; 12. Interception box; 13. Guide pipe; 14. Sludge pump; 15. Restriction port. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] This utility model provides, for example Figure 1-4 The electroplating wastewater sludge optimization treatment equipment shown includes a wastewater treatment tank 1 and a sludge settling tank 2 installed on the lower side of the wastewater treatment tank 1. A regular sludge collection tank 4 is provided on the right side of the sludge settling tank 2; A heavy metal sludge collection tank 5 is provided on the right side of the ordinary sludge collection tank 4; A sludge filter press 6 is installed at the lower side of the sludge settling tank 2. Wastewater generated during the electroplating process is transported to the wastewater treatment tank 1. Based on the composition analysis of the wastewater, the operator adds an appropriate amount of chemical agents to the wastewater treatment tank 1 to carry out chemical precipitation, oxidation-reduction, neutralization and other reactions. After a series of chemical reactions, most of the pollutants in the wastewater are converted into precipitates or other easily separable forms, completing the preliminary purification. The treated wastewater is then ready to flow into the sludge settling tank 2. In the sludge settling tank 2, the sludge begins to settle under the action of gravity, and the water gradually becomes clearer. Based on the current shape of the sludge, ordinary... After the sludge of a certain type accumulates to a certain extent at the bottom of the settling tank, it is transported through pipeline to the ordinary sludge collection tank 4 for storage. The sludge rich in heavy metals is transported through another pipeline system to the heavy metal sludge collection tank 5 for subsequent heavy metal recovery. The sludge in both the ordinary sludge collection tank 4 and the heavy metal sludge collection tank 5 is transported through pipeline to the sludge filter press 6 as needed. The sludge filter press 6 is started and pressure is applied to the input sludge to squeeze out the water from the sludge and form a sludge cake with low water content. The sludge cake after filtration is disposed of according to its properties. The sludge settling tank 2 is equipped with an interception box 12. A collection box 10 is fixedly connected to the upper outer wall of the interception box 12. Multiple guide pipes 13 are fixedly connected to the circular outer wall of the collection box 10 to guide the wastewater sludge into the interception box 12. The wastewater sludge entering the sludge settling tank 2 is guided by the collection box 10, separated by the guide pipes 13, and finally enters the interception box 12. This intercepts the fine waste in the sewage, prevents it from moving upward, limits the sludge from floating, and accelerates the settling speed.

[0021] like Figure 2 and Figure 4 As shown, a limiting opening 15 is provided inside the upper outer wall of the interception box 12, and an interception net is fixedly connected between the inner walls of the left and right ends of the interception box 12 to intercept upward floating impurities.

[0022] Under the action of water flow, the upward floating impurities will impact the interception net with the water flow. The existence of the interception net effectively prevents the upward floating impurities from interfering with the normal settling process in the sludge settling tank 2, ensuring the settling effect.

[0023] like Figure 3As shown, an inlet 9 is provided inside the upper outer wall of the sludge settling tank 2 to guide the sludge wastewater treated by the wastewater treatment tank 1 into the sludge settling tank 2. A sludge pump 14 is installed inside the sludge settling tank 2 to suck up sludge. A suction pipe 11 that passes through the interception box 12 and the sludge settling tank 2 is fixedly connected to the upper outer wall of the sludge pump 14.

[0024] The inlet 9, located inside the upper outer wall of the sludge settling tank 2, is the channel through which the sludge wastewater treated by the wastewater treatment tank 1 enters the sludge settling tank 2. When the sludge accumulates to a certain amount and meets the extraction conditions, the operator starts the sludge pump 14. After the sludge pump 14 starts, it generates suction through the suction pipe 11. The lower opening of the suction pipe 11 is close to the sludge accumulation area at the bottom of the settling tank. Under the action of suction, the sludge is sucked into the suction pipe 11. The sludge flows upward along the suction pipe 11, passes through the interception box 12 and the wall of the settling tank, and is transported to the interior of the ordinary sludge collection tank 4 and the heavy metal sludge collection tank 5.

[0025] like Figure 1 As shown, a conveying pipe 3 is installed between the sludge settling tank 2 and the ordinary sludge collection tank 4 and the heavy metal sludge collection tank 5.

[0026] The conveying pipeline 3 ensures the accurate conveying of sludge of different properties and prevents ordinary sludge and heavy metal sludge from mixing.

[0027] like Figure 1 As shown, a waste sludge discharge device 7 is provided on the lower side of the sludge filter press 6, and a recyclable sludge discharge device 8 is provided on the left side of the waste sludge discharge device 7.

[0028] After the sludge completes the filtration process in the sludge filter press 6 and is identified as waste sludge after testing, the filter press transports the waste sludge to the waste sludge discharge device 7, which discharges the waste sludge to a designated disposal site for incineration. The recyclable sludge discharge device 8 is also equipped with valves and conveying devices to transport the recyclable sludge to a dedicated recycling and treatment facility for further extraction of valuable components and resource reuse.

[0029] like Figure 1 As shown, both the ordinary sludge collection tank 4 and the heavy metal sludge collection tank 5 are made of high-performance polypropylene material.

[0030] Polypropylene material has good corrosion resistance. The corrosiveness of various chemicals and sludge in electroplating wastewater will not cause serious damage to the collection tank, thereby extending the service life of the collection tank.

[0031] The implementation principle of this embodiment is as follows: Wastewater generated during the electroplating process is transported to wastewater treatment tank 1. Based on the wastewater's composition analysis, operators add appropriate chemical agents to wastewater treatment tank 1 to carry out chemical precipitation, oxidation-reduction, and neutralization reactions. After a series of chemical reactions, most pollutants in the wastewater are converted into precipitates or other easily separable forms, completing preliminary purification. The treated wastewater is then prepared to flow into sludge settling tank 2. In sludge settling tank 2, under the influence of gravity, the sludge begins to settle, and the water gradually becomes clearer. Depending on the current shape of the sludge, ordinary sludge accumulates to a certain extent at the bottom of the settling tank and is then transported through pipelines to ordinary sludge collection tank 4 for storage. Sludge rich in heavy metals... The sludge is transported to the heavy metal sludge collection tank 5 through another pipeline system for subsequent heavy metal recovery. The sludge in both the ordinary sludge collection tank 4 and the heavy metal sludge collection tank 5 is transported to the sludge filter press 6 through pipelines as needed. The sludge filter press 6 is started and pressure is applied to the input sludge to squeeze out the water and form a sludge cake with low water content. The sludge cake after filtration is disposed of according to its properties. The wastewater sludge entering the sludge settling tank 2 is guided through the collection box 10 and separated through the guide pipe 13. Finally, it enters the interception box 12 to intercept the fine waste in the wastewater, prevent it from moving upward, limit the sludge from floating, and accelerate the settling speed.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An electroplating wastewater sludge optimization treatment device, comprising a wastewater treatment tank (1) and a sludge settling tank (2) installed on the lower side of the wastewater treatment tank (1); A common sludge collection tank (4) is provided on the right side of the sludge settling tank (2). A heavy metal sludge collection tank (5) is provided on the right side of the ordinary sludge collection tank (4). A sludge filter press (6) is installed on the lower side of the sludge settling tank (2). Its features are: The sludge settling tank (2) is equipped with an interception box (12). A collection box (10) is fixedly connected to the upper outer wall of the interception box (12). Multiple guide pipes (13) are fixedly connected to the circular outer wall of the collection box (10) to guide wastewater sludge into the interior of the interception box (12).

2. The electroplating wastewater sludge optimization treatment equipment according to claim 1, characterized in that: The upper outer wall of the interception box (12) has a restriction opening (15).

3. The electroplating wastewater sludge optimization treatment equipment according to claim 1, characterized in that: An interception net is fixedly connected between the inner walls of the left and right ends of the interception box (12) to intercept impurities floating upwards.

4. The electroplating wastewater sludge optimization treatment equipment according to claim 1, characterized in that: The upper outer wall of the sludge settling tank (2) is provided with an inlet (9) to guide the sludge wastewater treated by the wastewater treatment tank (1) into the sludge settling tank (2).

5. The electroplating wastewater sludge optimization treatment equipment according to claim 1, characterized in that: The sludge settling tank (2) is equipped with a sludge pump (14) to suck up sludge. The upper outer wall of the sludge pump (14) is fixedly connected with a suction pipe (11) that passes through the interception box (12) and the sludge settling tank (2).

6. The electroplating wastewater sludge optimization treatment equipment according to claim 1, characterized in that: A conveying pipe (3) is provided between the sludge settling tank (2) and the ordinary sludge collection tank (4) and the heavy metal sludge collection tank (5).

7. The electroplating wastewater sludge optimization treatment equipment according to claim 1, characterized in that: A waste sludge discharge device (7) is provided on the lower side of the sludge filter press (6), and a recyclable sludge discharge device (8) is provided on the left side of the waste sludge discharge device (7).

8. The electroplating wastewater sludge optimization treatment equipment according to claim 1, characterized in that: Both the ordinary sludge collection tank (4) and the heavy metal sludge collection tank (5) are made of high-performance polypropylene material.

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