Nickel plating production line edge water treatment system
By adopting RO membrane purification technology and multi-stage cleaning tank design on the nickel plating production line, the pollution and waste of cleaning water in nickel plating production has been solved, realizing the recycling and low emission of cleaning water and reducing production costs.
Patent Information
- Application Number
- CN202423020818.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-12-06
AI Technical Summary
The pollution and waste of cleaning water during nickel plating production leads to environmental pollution and high treatment costs.
The RO membrane, which uses reverse osmosis technology, is used to purify the cleaning water. Through the design of multi-stage cleaning tanks and raw water tanks, the cleaning water can be recycled and discharged in a low-emission manner.
It achieves effective purification and recycling of cleaning water, reduces production and maintenance costs, and achieves low or even zero emissions.
Smart Images
Figure CN223509704U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electroplating water treatment technical field especially relates to a kind of nickel plating production line line edge water treatment system. BACKGROUND
[0002] The method that is plated with a layer of nickel on metal or certain non-metal by electrolysis or chemical method is called nickel plating, according to the different ways adopted, nickel plating is divided into electroplating nickel and chemical nickel plating.Electroplating nickel is in the electrolyte consisting of nickel salt (called main salt), conductive salt, pH buffer, wetting agent, anode uses metal nickel, cathode is plating piece, direct current is passed, and a layer of uniform, dense nickel plating is deposited on cathode (plating piece);Chemical nickel plating refers to the process that nickel ion in aqueous solution is reduced by reducing agent and precipitated onto the surface of solid substrate under certain conditions.
[0003] Whether it is electroplating nickel or chemical nickel plating, in the process of nickel plating production, pure water is needed to wash workpiece multiple times, including ordinary washing, ultrasonic washing, hot water washing and the like.The cleaning water after these washing is contaminated wastewater, which contains organic and metal pollutants and part of nickel plating medicine water, if these wastewater is directly discharged, it will cause environmental pollution and waste of nickel plating medicine water;If these wastewater is treated and then discharged, the treatment cost is high, and there is still the problem of waste of water resources, which needs to be further optimized. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of nickel plating production line line edge water treatment system to solve the problems in the above background technical field, realize the effective purification and recycling of cleaning water, reduce water cost and processing cost.
[0005] To achieve the above object, the utility model adopts the following technical scheme:
[0006] A kind of nickel plating production line line edge water treatment system, nickel plating production line includes first cleaning tank, second cleaning tank and third cleaning tank, first cleaning tank is provided with No. 1 sub-tank, No. 2 sub-tank and No. 3 sub-tank, No. 2 sub-tank overflow to No. 1 sub-tank when high liquid level, second cleaning tank is provided with No. 4 sub-tank, No. 5 sub-tank, No. 6 sub-tank and No. 7 sub-tank, No. 6 sub-tank overflow to No. 5 sub-tank when high liquid level, No. 5 sub-tank overflow to No. 4 sub-tank when high liquid level, wherein, nickel plating production line line edge water treatment system includes first raw water bucket, second raw water bucket, first RO membrane and second RO membrane;
[0007] First raw water bucket is connected with first RO membrane by first booster pump, the water production pipeline of first RO membrane is connected to No. 3 sub-tank, No. 3 sub-tank overflow to first raw water bucket when high liquid level, the concentrated water pipeline of first RO membrane is connected to No. 2 sub-tank, No. 4 sub-tank and No. 6 sub-tank respectively;
[0008] The second raw water bucket is connected with the second RO membrane through the second booster pump, the water production pipeline of the second RO membrane is connected to the third cleaning tank, the third cleaning tank overflows to the second raw water bucket when the liquid level is high, and the concentrated water pipeline of the second RO membrane is connected to the seventh sub-tank, and the seventh sub-tank overflows to the first raw water bucket when the liquid level is high.
[0009] As an optional solution, the nickel plating production line can be compatible with electroplating nickel and electroless plating nickel.
[0010] When electroplating nickel, 50% of the treated water of the first RO membrane flows to the second sub-tank, and the remaining 50% of the treated water of the first RO membrane flows to the sixth sub-tank.
[0011] When electroless plating nickel, 45% of the treated water of the first RO membrane flows to the second sub-tank, another 45% of the treated water of the first RO membrane flows to the sixth sub-tank, and the remaining 10% of the treated water of the first RO membrane flows to the fourth sub-tank.
[0012] As an optional solution, the third cleaning tank is provided with an eighth sub-tank and a ninth sub-tank, 40% of the treated water of the second RO membrane flows to the eighth sub-tank, and the remaining 60% of the treated water of the second RO membrane flows to the ninth sub-tank, and the eighth sub-tank overflows to the second raw water bucket when the liquid level is high, and the ninth sub-tank overflows to the second raw water bucket when the liquid level is high.
[0013] As an optional solution, the ratio of the treated water and the concentrated water of the first RO membrane is 3:2.
[0014] As an optional solution, the ratio of the treated water and the concentrated water of the second RO membrane is 1:1.
[0015] As an optional solution, a water supplement pipeline is introduced into the second raw water bucket, and the water supplement pipeline is connected with a secondary water source.
[0016] The beneficial effects of the utility model are as follows:
[0017] The nickel plating production line line-side water treatment system can realize recycling of production line cleaning water after purification, achieve the purpose of low emission or even zero emission, and greatly reduce the daily production and maintenance cost. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 The nickel plating production line line-side water treatment system provided by the utility model embodiment is a structural schematic view.
[0019] In the drawings:
[0020] 1, first raw water bucket; 2, second raw water bucket; 3, first RO membrane; 4, second RO membrane; 5, first booster pump; 6, second booster pump; 7, first cleaning tank; 71, No. 1 sub tank; 72, No. 2 sub tank; 73, No. 3 sub tank; 8, second cleaning tank; 81, No. 4 sub tank; 82, No. 5 sub tank; 83, No. 6 sub tank; 84, No. 7 sub tank; 9, third cleaning tank; 91, No. 8 sub tank; 92, No. 9 sub tank; 10, water replenishment pipeline. DETAILED DESCRIPTION
[0021] The utility model will be described in further detail below in combination with the drawings and examples. It can be understood that the specific examples described herein are only used to explain the utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.
[0022] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0023] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0024] In the description of the embodiment, the terms "up", "down", "left", "right" and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation of the utility model.
[0025] In addition, the terms "first", "second" and the like are only used to distinguish in description, and have no special meaning.
[0026] Please refer to Figure 1As shown, the embodiment provides a nickel plating production line edge water treatment system, the nickel plating production line here includes a first cleaning tank 7, a second cleaning tank 8 and a third cleaning tank 9, the first cleaning tank 7 is provided with a first sub-tank 71, a second sub-tank 72 and a third sub-tank 73, the second sub-tank 72 overflows to the first sub-tank 71 when the liquid level is high, the second cleaning tank 8 is provided with a fourth sub-tank 81, a fifth sub-tank 82, a sixth sub-tank 83 and a seventh sub-tank 84, the sixth sub-tank 83 overflows to the fifth sub-tank 82 when the liquid level is high, and the fifth sub-tank 82 overflows to the fourth sub-tank 81 when the liquid level is high.
[0027] The nickel plating production line edge water treatment system includes a first raw water bucket 1, a second raw water bucket 2, a first RO membrane 3 and a second RO membrane 4;
[0028] The first raw water bucket 1 is connected with the first RO membrane 3 through a first booster pump 5, a water production pipeline of the first RO membrane 3 is connected to the third sub-tank 73, the third sub-tank 73 overflows to the first raw water bucket 1 when the liquid level is high, and a concentrated water pipeline of the first RO membrane 3 is connected to the second sub-tank 72, the fourth sub-tank 81 and the sixth sub-tank 83 respectively;
[0029] The second raw water bucket 2 is connected with the second RO membrane 4 through a second booster pump 6, a water production pipeline of the second RO membrane 4 is connected to the third cleaning tank 9, the third cleaning tank 9 overflows to the second raw water bucket 2 when the liquid level is high, and a concentrated water pipeline of the second RO membrane 4 is connected to the seventh sub-tank 84, the seventh sub-tank 84 overflows to the first raw water bucket 1 when the liquid level is high.
[0030] The RO (reverse osmosis) technology is a membrane separation filtration technology using osmotic pressure difference as power, the pore size of the RO membrane is as small as nanometer, under certain pressure, water molecules can pass through the RO membrane, while inorganic salts, heavy metal ions, organic matter, colloids, bacteria, viruses and other impurities in source water cannot pass through the RO membrane, so that pure water that can pass through and concentrated water that cannot pass through are strictly separated.
[0031] Therefore, the nickel plating production line edge water treatment system can realize recycling of the production line cleaning water after purification, achieve the purpose of low emission or even zero emission, and greatly reduce the daily production and maintenance cost.
[0032] Optionally, the nickel plating production line can be compatible with electroplating nickel and chemical plating nickel, specifically:
[0033] When electroplating nickel, skip the fourth sub-tank 81, 50% of the water produced after treatment of the first RO membrane 3 flows to the second sub-tank 72, and the remaining 50% of the water produced after treatment of the first RO membrane 3 flows to the sixth sub-tank 83, meeting the cleaning requirements when electroplating nickel;
[0034] When the electroless nickel plating is performed, 45% of the treated water from the first RO membrane 3 flows into the second sub-tank 72, another 45% of the treated water from the first RO membrane 3 flows into the sixth sub-tank 83, and the remaining 10% of the treated water from the first RO membrane 3 flows into the fourth sub-tank 81, which meets the cleaning requirements of the electroless nickel plating.
[0035] Optionally, the third cleaning tank 9 is provided with an eighth sub-tank 91 and a ninth sub-tank 92, 40% of the treated water from the second RO membrane 4 flows into the eighth sub-tank 91, and the remaining 60% of the treated water from the second RO membrane 4 flows into the ninth sub-tank 92, the eighth sub-tank 91 and the ninth sub-tank 92 overflow into the second raw water tank 2 when the liquid level is high, which meets the cleanliness requirements of the cleaning water in the eighth sub-tank 91 and the ninth sub-tank 92, and further realizes the circulation and purification of the cleaning water in the third cleaning tank 9.
[0036] Further, the eighth sub-tank 91 is used for hot water washing, and the ninth sub-tank 92 is used for ultrasonic hot water washing, and the ninth sub-tank 92 is supplemented with water in a spraying manner.
[0037] In particular, the ratio of the treated water and the concentrated water after the treatment of the first RO membrane 3 is 3:2, which is determined by the quality of the raw water and the permeation effect of the membrane, and is not limited here.
[0038] In particular, the ratio of the treated water and the concentrated water after the treatment of the second RO membrane 4 is 1:1, which is determined by the quality of the raw water and the permeation effect of the membrane, and is not limited here.
[0039] Optionally, the second raw water tank 2 is connected with a water supplement pipeline 10, and the water supplement pipeline 10 is connected with a secondary water source to continuously supplement the water in the second raw water tank 2, and further supplement the water in the first raw water tank 1.
[0040] The starting conditions of the second RO membrane 4 are as follows: ① the second raw water tank 2 is working or the liquid level is high; ② the conductivity of the eighth sub-tank 91 is high; ③ the conductivity of the ninth sub-tank 92 is high; and ④ the spraying water supplement of the ninth sub-tank 92 is opened.
[0041] The starting conditions of the first RO membrane 3 are as follows: ① the first raw water tank 1 is working or the liquid level is high; and ② the conductivity of the third sub-tank 73 is high.
[0042] In addition, if the liquid level of the first raw water tank 1 is too low, an alarm needs to be started to prompt whether the water source needs to be manually supplemented.
[0043] In summary, the nickel plating production line water treatment system collects and purifies the cleaning water of each cleaning tank in the nickel plating production line, and supplies the produced water and concentrated water of different concentrations back to the corresponding cleaning tank, realizes the recycling and low discharge of water, even realizes zero discharge, greatly reduces the use amount of pure water, and reduces the production cost and water resource waste.
[0044] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the present application. Here, it is not necessary and also impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application claim.
Claims
1. A line edge water treatment system for a nickel plating production line, the nickel plating production line comprising a first cleaning tank (7), a second cleaning tank (8), and a third cleaning tank (9), wherein the first cleaning tank (7) is provided with a first sub-tank (71), a second sub-tank (72), and a third sub-tank (73), wherein when the liquid level in the second sub-tank (72) is high, the liquid overflows into the first sub-tank (71); wherein the second cleaning tank (8) is provided with a fourth sub-tank (81), a fifth sub-tank (82), a sixth sub-tank (83), and a seventh sub-tank (84), wherein when the liquid level in the sixth sub-tank (83) is high, the liquid overflows into the fifth sub-tank (82), and when the liquid level in the fifth sub-tank (82) is high, the liquid overflows into the fourth sub-tank (81), characterized in that, The nickel plating production line edge water treatment system includes a first raw water tank (1), a second raw water tank (2), a first RO membrane (3), and a second RO membrane (4); The first raw water tank (1) is connected to the first RO membrane (3) via the first booster pump (5). The product water pipe of the first RO membrane (3) is connected to the third sub-tank (73). When the liquid level of the third sub-tank (73) is high, the liquid overflows to the first raw water tank (1). The concentrate pipe of the first RO membrane (3) is connected to the second sub-tank (72), the fourth sub-tank (81), and the sixth sub-tank (83) respectively. The second raw water tank (2) is connected to the second RO membrane (4) via the second booster pump (6). The product water pipe of the second RO membrane (4) is connected to the third cleaning tank (9). When the third cleaning tank (9) is at a high liquid level, the product water overflows to the second raw water tank (2). The concentrate pipe of the second RO membrane (4) is connected to the seventh sub-tank (84). When the seventh sub-tank (84) is at a high liquid level, the concentrate overflows to the first raw water tank (1).
2. The edge water treatment system for a nickel plating production line according to claim 1, characterized in that, The nickel plating production line is compatible with both electroplating and electroless nickel plating. During nickel electroplating, 50% of the permeate water treated by the first RO membrane (3) flows to the second sub-tank (72), and the remaining 50% of the permeate water treated by the first RO membrane (3) flows to the sixth sub-tank (83). During electroless nickel plating, 45% of the permeate after treatment by the first RO membrane (3) flows to the second sub-tank (72), another 45% of the permeate after treatment by the first RO membrane (3) flows to the sixth sub-tank (83), and the remaining 10% of the permeate after treatment by the first RO membrane (3) flows to the fourth sub-tank (81).
3. The nickel plating production line edge water treatment system according to claim 1, characterized in that, The third cleaning tank (9) is equipped with a No. 8 sub-tank (91) and a No. 9 sub-tank (92). 40% of the permeate water after treatment by the second RO membrane (4) flows to the No. 8 sub-tank (91), and the remaining 60% of the permeate water after treatment by the second RO membrane (4) flows to the No. 9 sub-tank (92). When the No. 8 sub-tank (91) and the No. 9 sub-tank (92) are at high liquid levels, they overflow into the second raw water tank (2) respectively.
4. The nickel plating production line edge water treatment system according to claim 1, characterized in that, The ratio of permeate to concentrate after treatment by the first RO membrane (3) is 3:
2.
5. The nickel plating production line edge water treatment system according to claim 1, characterized in that, The ratio of permeate to concentrate after treatment by the second RO membrane (4) is 1:
1.
6. The nickel plating production line edge water treatment system according to claim 1, characterized in that, A water supply pipe (10) is introduced into the second raw water tank (2), and the water supply pipe (10) is connected to the secondary water source.