CN115849604A - Electroplating rinsing water cyclic utilization system - Google Patents
Electroplating rinsing water cyclic utilization system Download PDFInfo
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- CN115849604A CN115849604A CN202211525009.5A CN202211525009A CN115849604A CN 115849604 A CN115849604 A CN 115849604A CN 202211525009 A CN202211525009 A CN 202211525009A CN 115849604 A CN115849604 A CN 115849604A
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Abstract
The invention discloses an electroplating rinse water recycling system which comprises water recycling equipment, wherein the water recycling equipment comprises a recycled water collecting tank, and the top of the collecting tank is provided with a first liquid level controller; a delivery pump is arranged at one end of the collecting tank, a main water supply pipe is arranged at one end of the delivery pump, and a precision filter, a carbon filter and an ion exchange system are sequentially arranged on a pipeline of the main water supply pipe; the tail end pipeline of the water supply main pipe is connected with the spraying system and the washing system; the water outlet ends of the spraying system and the water washing system are connected with the collecting tank. The water recycling system has high reuse rate of more than 60 percent and low discharge, and reduces the generation of sludge; the operation cost is low, and the cost of recycling one ton of water is less than 1 yuan.
Description
Technical Field
The invention relates to the technical field of electroplating, in particular to an electroplating rinsing water recycling system.
Background
Pure water washing is an essential procedure for rinsing products of an electroplating line, particularly plastic electroplating, the water quality requirement is higher, the water amount is large, and the types of pure water are as follows: the secondary reverse osmosis, ion exchange, electrodialysis and other processes are matched with a plurality of water production devices, the running pressure of the waste water is increased due to a large water consumption amount, and the best reclaimed water quality and the lowest water discharge amount can be achieved by accurately calculating and analyzing the electroplating process, the waste water discharge amount and the water quality of the electroplating line and matching with reclaimed water recycling devices of different models and saving water by 60 percent.
Disclosure of Invention
The invention mainly aims to provide a recycling system for electroplating rinse water.
In order to achieve the purpose, the invention provides the following technical scheme: an electroplating rinse water recycling system comprises water recycling equipment, wherein the water recycling equipment comprises a recycled water collecting tank, and the top of the collecting tank is provided with a first liquid level controller; a delivery pump is arranged at one end of the collecting tank, a water supply main pipe is arranged at one end of the delivery pump, and a precision filter, a carbon filter and an ion exchange system are sequentially arranged on a pipeline of the water supply main pipe; the tail end pipeline of the water supply main pipe is connected with the spraying system and the washing system; and the water outlet ends of the spraying system and the water washing system are connected with the collecting tank.
On the basis of the above scheme and as a preferable scheme of the scheme: the ion exchange system comprises a cation exchange cavity, a first anion exchange cavity and a second anion exchange cavity in sequence; a regenerative medicament storage tank is arranged at the top end of the ion exchange system; a regeneration valve is arranged between the regeneration medicament storage tank and the ion exchange system.
On the basis of the above scheme and as a preferable scheme of the scheme: the bottom parts of the carbon filter and the ion exchange system are both provided with regeneration blow-off pipes, and the regeneration blow-off pipes are provided with regeneration drain valves; and the tail end of the regeneration sewage discharge pipe is provided with a regenerated water sampling end and a PH meter.
On the basis of the above scheme and as a preferable scheme of the scheme: and the tail end of the second anion exchange cavity is provided with a water quality monitor, an ultraviolet sterilizer and a flow monitor.
On the basis of the above scheme and as a preferable scheme of the scheme: the spraying system comprises a first spraying groove and a second spraying groove, and a spraying delivery pump is arranged between the first spraying groove and the second spraying groove; the top of the first spraying groove is provided with a second liquid level controller and a first automatic water supplementing valve; the top of the second spraying groove is provided with an electromagnetic valve and a spraying port; the bottom of the second spraying groove is provided with a position collecting pneumatic pump, and one end of the low position collecting pneumatic pump is connected with the collecting groove through a first circulating water inlet pipe.
On the basis of the above scheme and as a preferable scheme of the scheme: the washing system comprises a washing tank, a second automatic water replenishing valve is arranged at the top of the washing tank, and a heating pipe is arranged in the washing tank; the bottom of the rinsing bath is provided with a second circulating water inlet pipe and a circulating water valve; the tail end of the second circulating water inlet pipe is connected with the collecting tank.
The invention has the following beneficial effects:
(1) The recycling rate is high, is more than 60 percent, has low discharge capacity and reduces the generation of sludge;
(2) The operation cost is low, and the cost of recycling one ton of water is less than 1 yuan;
(3) The water quality of the supplied water is excellent, and the conductivity of the washing tank of the electroplating line is stabilized within 10us/cm after the equipment runs; (4) simple and stable operation and maintenance;
(5) The closed pipe operation is adopted, and the pollution in the operation process is reduced.
Drawings
FIG. 1 is an overall schematic of the water recycling system of the present invention;
FIG. 2 is a flow diagram of the removal of insolubles in the water recycling system of the present invention;
FIG. 3 is a schematic diagram of the insoluble matter removal in the water recycling system of the present invention.
Detailed Description
In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, however, the specific embodiments and embodiments described below are only for illustrative purposes and are not intended to limit the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1 of the drawings, the electroplating rinse water recycling system in the embodiment comprises a water recycling device, wherein the water recycling device comprises a reuse water collecting tank 1, and a first liquid level controller 33 is arranged at the top of the collecting tank 1; a delivery pump 2 is arranged at one end of the collecting tank 1, a water supply main pipe 3 is arranged at one end of the delivery pump 2, and a precision filter 4, a carbon filter 5 and an ion exchange system 9 are sequentially arranged on a pipeline of the water supply main pipe 3; the tail end pipeline of the water supply main pipe 3 is connected with the spraying system and the washing system; the water outlet ends of the spraying system and the water washing system are connected with the collecting tank 1.
Furthermore, the ion exchange system sequentially comprises a cation exchange cavity, a first anion exchange cavity and a second anion exchange cavity; a regenerative agent storage tank 15 is installed at the top end of the ion exchange system; a regeneration valve 10 is provided between the regeneration agent storage tank 15 and the ion exchange system.
Furthermore, the bottom of the carbon filter 5 and the bottom of the ion exchange system are both provided with a regeneration blow-off pipe 8, and the regeneration blow-off pipe 8 is provided with a regeneration drain valve 6; the tail end of the regeneration sewage discharge pipe 8 is provided with a regeneration water sampling end 11 and a PH meter 12, and then a sewage discharge end 14 is used for discharging sewage.
Referring to FIGS. 2 and 3 of the drawings, in this example, the removal of insoluble matter (which may be part of the organic matter) is carried out by microfiltration 4 and carbon filtration 5; the non-polar organic matter can be adsorbed and removed by using large specific surface area of activated carbon, and the polar organic matter can be exchanged and removed by using ion exchange resin. Cations in water are represented by a and anions by B, cation resin by RooH and anion resin by RNOH:
adsorption by cationic resin:
a + + ROO-H → ROO-A + H + (A + is cation in water, ROO-H is cation column resin)
Adsorption of anion resin:
b- + RN-OH → RN-B + OH- (RN-OH is anion tower resin)
Regenerating the cationic resin:
H++ROO-A→ROO-H+A+
anion resin regeneration:
OH-+RN-Nb→RN-OH+B-
different resins are used for different types to achieve the best results. And the special resin is adopted to remove organic matters in water, the mechanism is similar to activated carbon adsorption, and the resin is easy to clean when the resin is regenerated, so that the resin can be repeatedly used.
Further, the tail end of the second anion exchange chamber is provided with a water quality monitor 16, an ultraviolet sterilizer 17 and a flow monitor 18.
Further, the spraying system comprises a first spraying groove 21 and a second spraying groove 23, and a spraying delivery pump 22 is arranged between the first spraying groove 21 and the second spraying groove 23; the top of the first spraying groove 21 is provided with a second liquid level controller 19 and a first automatic water replenishing valve 20; the top of the second spraying groove 23 is provided with an electromagnetic valve 24 and a spraying port 25; the bottom of the second spraying groove 23 is provided with a low-level collection pneumatic pump 26, and one end of the low-level collection pneumatic pump 26 is connected with the collecting groove 1 through a first circulation water inlet pipe 24.
Further, the washing system comprises a washing tank 29, a second automatic water replenishing valve 28 is arranged at the top of the washing tank 29, and a heating pipe 30 is arranged in the washing tank 29; the bottom of the rinsing bath 29 is provided with a second circulating water inlet pipe 31 and a circulating water valve 32; the second circulation inlet pipe 31 is connected at its end to the collection tank 1.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (6)
1. A system for recycling electroplating rinse water is characterized in that: the system comprises water recycling equipment, wherein the water recycling equipment comprises a recycling water collecting tank, and a first liquid level controller is arranged at the top of the collecting tank; a delivery pump is arranged at one end of the collecting tank, a water supply main pipe is arranged at one end of the delivery pump, and a precision filter, a carbon filter and an ion exchange system are sequentially arranged on a pipeline of the water supply main pipe; the tail end pipeline of the water supply main pipe is connected with the spraying system and the washing system; and the water outlet ends of the spraying system and the water washing system are connected with the collecting tank.
2. The electroplating rinse water recycling system according to claim 1, characterized in that: the ion exchange system comprises a cation exchange cavity, a first anion exchange cavity and a second anion exchange cavity in sequence; a regenerative medicament storage tank is arranged at the top end of the ion exchange system; and a regeneration valve is arranged between the regeneration medicament storage tank and the ion exchange system.
3. The electroplating rinse water recycling system according to claim 2, characterized in that: the bottom parts of the carbon filter and the ion exchange system are respectively provided with a regeneration blow-off pipe, and the regeneration blow-off pipe is provided with a regeneration drain valve; and the tail end of the regeneration sewage discharge pipe is provided with a regenerated water sampling end and a PH meter.
4. The electroplating rinse water recycling system according to claim 3, characterized in that: and the tail end of the second anion exchange cavity is provided with a water quality monitor, an ultraviolet sterilizer and a flow monitor.
5. The electroplating rinse water recycling system according to claim 1, characterized in that: the spraying system comprises a first spraying groove and a second spraying groove, and a spraying delivery pump is arranged between the first spraying groove and the second spraying groove; the top of the first spraying groove is provided with a second liquid level controller and a first automatic water supplementing valve; the top of the second spraying groove is provided with an electromagnetic valve and a spraying port; the bottom of the second spraying groove is provided with a low-level collection pneumatic pump, and one end of the low-level collection pneumatic pump is connected with the collecting groove through a first circulation water inlet pipe.
6. The electroplating rinse water recycling system according to claim 1, characterized in that: the washing system comprises a washing tank, a second automatic water replenishing valve is arranged at the top of the washing tank, and a heating pipe is arranged in the washing tank; the bottom of the rinsing bath is provided with a second circulating water inlet pipe and a circulating water valve; the tail end of the second circulating water inlet pipe is connected with the collecting tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211525009.5A CN115849604A (en) | 2022-11-30 | 2022-11-30 | Electroplating rinsing water cyclic utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211525009.5A CN115849604A (en) | 2022-11-30 | 2022-11-30 | Electroplating rinsing water cyclic utilization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115849604A true CN115849604A (en) | 2023-03-28 |
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ID=85668549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211525009.5A Pending CN115849604A (en) | 2022-11-30 | 2022-11-30 | Electroplating rinsing water cyclic utilization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115849604A (en) |
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2022
- 2022-11-30 CN CN202211525009.5A patent/CN115849604A/en active Pending
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