CN104773865A - Printed circuit board complex wastewater processing device - Google Patents
Printed circuit board complex wastewater processing device Download PDFInfo
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- CN104773865A CN104773865A CN201510117971.9A CN201510117971A CN104773865A CN 104773865 A CN104773865 A CN 104773865A CN 201510117971 A CN201510117971 A CN 201510117971A CN 104773865 A CN104773865 A CN 104773865A
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Abstract
The invention discloses a printed circuit board complex wastewater processing device. The device comprises a pH adjusting tank and a pH re-adjusting tank. A water inlet is arranged in the left side of the pH adjusting tank, a pH adjuster is arranged in the pH adjusting tank, the right side of the pH adjusting tank is connected to a complex breaking reaction tank, a coagulation reaction tank, and an inclined tube precipitation tank; an inclined tube is arranged above the inclined tube precipitation tank; the right side of the inclined tube precipitation tank is connected to the pH re-adjusting tank through a filter, the right side of the pH re-adjusting tank is provided with a water outlet, a pH sensor and an A/D converter are arranged in the pH adjuster, and the pH sensor and the A/D converter are connected to a control system through the signals. The equipment is simple, the procedure is clear, the complex wastewater generated during the printed circuit board production process is effectively degraded, the filtering ability of the device is strong, and the device is easy to operate and promote.
Description
Technical field
The present invention is a kind of printed circuit board complex compound wastewater treatment equipment, belongs to printed circuit board wastewater processing machine apparatus field.
Background technology
Printed circuit board is also known as printed circuit board (PCB), and be the supplier of electronic devices and components electrical connection, its development has the history of more than 100 year; Its design mainly layout design; Adopt the major advantage of circuit card to be the mistake greatly reducing wiring and assembling, improve the gentle productive labor rate of Automated water, Manufacturing Technology for PCB is very complicated, a comprehensive very high processing technology.Especially in wet processes process, need adopt a large amount of water, thus have various heavy waste water and organic waste water to discharge, complicated component, intractability is larger.Be 30% ~ 40% to calculate by the utilization ratio of printed circuit board Copper Foil, copper content so in waste liquid, waste water is just considerable, (every face copper thickness is 35 microns) is calculated by 10,000 square metres of dual platens, copper content then in waste liquid, waste water just has about 4500 kilograms, and also have many other heavy metal and precious metal.These metals be present in waste liquid, waste water just discharge if not treated, not only cause waste but also pollute environment.Therefore, wastewater treatment in PCB Production process is highly significant, it is indispensable part in PCB Production, as everyone knows, waste water in printed circuit board production process, wherein a large amount of is copper, minute quantity have lead, tin, gold and silver, fluorine, ammonia, organism and organic complex etc., for the emission standard making wastewater treatment reach national regulation, wherein the highest permission emission concentration of copper and compound thereof is 1mg/L, must for different situations, the number of such as organic complex, need take different method of wastewater treatment.As Chinese patent CN 202519131 U discloses a kind of organic waste-water treating apparatus of printed circuit board, but its function singleness, effectively can not process the waste water containing organic complex.
Summary of the invention
For the deficiency that prior art exists, the object of the invention is to provide a kind of printed circuit board complex compound wastewater treatment equipment, pond is adjusted back by PH equalizing tank, contact break reaction tank, coagulation reaction tank, tube settler and PH, progressively process is containing network waste water, to solve the problem proposed in above-mentioned background technology, the present invention is easy to use, and can realize semi-automation operation, convenient operation is time saving and energy saving.
To achieve these goals, the present invention realizes by the following technical solutions: a kind of printed circuit board complex compound wastewater treatment equipment, comprise PH equalizing tank and PH readjustment pond, the left side of described PH equalizing tank is provided with water-in, a PH regulator is provided with in the pond of PH equalizing tank, the right side of PH equalizing tank is connected with contact break reaction tank, the right side of contact break reaction tank is connected with coagulation reaction tank, the right side of coagulation reaction tank is connected with tube settler, the top of tube settler is provided with an inclined tube, the right side of described tube settler connects PH by strainer and adjusts back pond, the right side that PH adjusts back pond is provided with a water outlet, described PH regulator inside is provided with PH sensor and analog to digital converter, PH sensor is connected with analog to digital converter Controlling System.
Further, described Controlling System inside is provided with digital to analog converter and control chip, and described digital to analog converter and control chip are electrical connected.
Further, it is inner that described PH sensor and analog to digital converter are welded on PH regulator, and be electrical connected.
Further, described PH regulator is provided with two, is arranged on PH respectively and adjusts back in the pond in pond and PH adjustment pond.
Further, described PH equalizing tank, contact break reaction tank, coagulation reaction tank, tube settler and PH readjustment pond is interconnected by pipeline between any two.
Further, inclined tube height above tube settler is arranged on described in lower than height residing on the left of strainer.
Beneficial effect of the present invention: a kind of printed circuit board complex compound wastewater treatment equipment that the present invention proposes, when regulating PH, according to different situations, automatization can be realized and regulate, regulate precisely, the existence of tube settler and strainer, further enhance the filtration capacity of device, make final waste water of discharging reach the standard of national requirements, and this appliance arrangement is simple, treatment scheme is cheer and bright, easy handling and popularization.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of printed circuit board complex compound of the present invention wastewater treatment equipment;
Fig. 2 is the Control system architecture schematic diagram of a kind of printed circuit board complex compound of the present invention wastewater treatment equipment;
In figure: 1-PH equalizing tank, 2-contact break reaction tank, 3-coagulation reaction tank, 4-tube settler, 5-PH adjust back pond, 6-water-in, 7-water outlet, 8-pipeline, 9-inclined tube, 10-strainer, 11-PH regulator, 12-PH sensor, 13-analog to digital converter, 14-Controlling System, 15-digital to analog converter, 16-control chip.
Embodiment
The technique means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the present invention further.
Refer to Fig. 1 and Fig. 2, the invention provides a kind of technical scheme: a kind of printed circuit board complex compound wastewater treatment equipment, comprise PH equalizing tank 1 and PH readjustment pond 5, the left side of PH equalizing tank 1 is provided with water-in 6, a PH regulator 11 is provided with in the pond of PH equalizing tank 1, the right side of PH equalizing tank 1 is connected with contact break reaction tank 2, the right side of contact break reaction tank 2 is connected with coagulation reaction tank 3, the right side of coagulation reaction tank 3 is connected with tube settler 4, this design can make this device progressively process containing network waste water, namely in PH equalizing tank 1 to containing after network waste water carries out the first step process, enter contact break reaction tank 2 through piping and carry out second step process, again successively by coagulation reaction tank 3, tube settler 4 and PH adjust back the reprocessing of carrying out waste water in pond 5, above tube settler 4, be provided with an inclined tube 9, this design make use of lamina flow principle, improves the processing power of tube settler 4, shorten particles settling distance, thus shorten sedimentation time, add the desilting area of tube settler 4 simultaneously, thus improve processing efficiency, the right side of tube settler 4 connects PH by strainer 10 and adjusts back pond 5, the existence in PH readjustment pond 5 can adjust the final PH of sewage, make it to reach suitable PH, namely PH is in neutral, avoid endangering environment, the right side that PH adjusts back pond 5 is provided with a water outlet 7, PH regulator 11 inside is provided with PH sensor 12 and analog to digital converter 13, PH sensor 12 is connected with Controlling System 14 with analog to digital converter 13, Controlling System 14 inside is provided with digital to analog converter 15 and control chip 16, digital to analog converter 15 and control chip 16 are electrical connected, ensure that the stability of information transmission each other, PH regulator 11 is provided with two, being arranged on PH respectively adjusts back in the pond in pond 1 and PH adjustment pond 5, PH can be realized adjust back pond 1 and PH and adjust automated operation when pond 5 regulates PH, PH equalizing tank 1, contact break reaction tank 2, coagulation reaction tank 3, tube settler 4 and PH are adjusted back pond 5 and are interconnected by pipeline 8 between any two, add the globality that this is novel, be arranged on inclined tube 9 height above tube settler 4 lower than height residing on the left of strainer 10.
Concrete use-pattern: staff adds suitable PH in advance and adjusts reagent in PH regulator 11 inside, after this complex compound waste water that printed circuit board produces in producing enters PH equalizing tank 1 by water-in 6, now PH sensor 12 can measure the real-time pH value of PH equalizing tank 1, and be translated into continually varying analog quantity, be sent to analog to digital converter 13, analog quantity is converted to digital quantity and is sent to the Controlling System 14 be connected with its signal by analog to digital converter 13, Controlling System 14 determines suitable pH value according to practical situation, be sent to digital to analog converter 15, the digital quantity of Controlling System 14 is converted into analog quantity by digital to analog converter 15, be sent to control chip 16, and by control chip 16 control PH regulator 11, PH regulator 11 can adjust reagent by release PH automatically, sewage in PH equalizing tank 1 is adjusted to suitable PH, by pipeline 8, sewage enters contact break reaction tank 2.
At this moment, staff can add hydrogen peroxide contact break and close under sour environment, or adds clorox contact break conjunction in the basic conditions, and different according to the content of complex compound, take different schemes, contact break reaction tank 2 treatment time is 15 ~ 20 minutes.
After this, waste water enters coagulation reaction tank 3 by pipeline 8, staff adds suitable coagulating agent in coagulation reaction tank 3, such as polymerize aluminum chloride, under the effect of coagulating agent, the colloid in waste water and fine suspension is made to be condensed into flocs unit, then removing is separated, and reduce the sense index of the water quality such as turbidity, colourity of former water, remove multiple hazardous contaminant, sewage fully reacts after 15 ~ 20 minutes in coagulation reaction tank 3, enters tube settler 4 simultaneously, after for some time, enter PH by strainer 10 and adjust back pond 5.
In strainer 10, current produce resistance through filtering layer, from top to bottom, head loss gradually reduces, flow velocity is more and more faster, the compaction of sewage is just more and more higher, porosity is more and more less, like this along water (flow) direction, automatic formation continuous print Graded Density filtering layer distribution, define the structure of an inverted pyramid, can fully filter, adjust back in pond 5 at PH, now PH sensor 12 can measure the real-time pH value that PH adjusts back pond 5, and be translated into continually varying analog quantity, be sent to analog to digital converter 13, analog quantity is converted to digital quantity and is sent to the Controlling System 14 be connected with its signal by analog to digital converter 13, Controlling System 14 determines suitable pH value according to practical situation, be sent to digital to analog converter 15, the digital quantity of Controlling System 14 is converted into analog quantity by digital to analog converter 15, be sent to control chip 16, and by control chip 16 control PH regulator 11, PH regulator 11 can adjust reagent by release PH automatically, the sewage of being adjusted back by PH in pond 5 is adjusted to suitable PH, discharge eventually through water outlet 7.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention, to those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification sheets is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should by specification sheets integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (6)
1. a printed circuit board complex compound wastewater treatment equipment, comprise PH equalizing tank (1) and PH readjustment pond (5), it is characterized in that: the left side of described PH equalizing tank (1) is provided with water-in, a PH regulator (11) is provided with in the pond of PH equalizing tank (1), the right side of PH equalizing tank (1) is connected with contact break reaction tank (2), the right side of contact break reaction tank (2) is connected with coagulation reaction tank (3), the right side of coagulation reaction tank (3) is connected with tube settler (4), the top of tube settler (4) is provided with an inclined tube (9), the right side of described tube settler (4) connects PH by strainer (10) and adjusts back pond (5), the right side that PH adjusts back pond (5) is provided with a water outlet (7), described PH regulator (11) inside is provided with PH sensor (12) and analog to digital converter (13), PH sensor (12) is connected with Controlling System (14) with analog to digital converter (13).
2. a kind of printed circuit board complex compound wastewater treatment equipment according to claim 1, it is characterized in that: described Controlling System (14) inside is provided with digital to analog converter (15) and control chip (16), described digital to analog converter (15) and control chip (16) are electrical connected.
3. a kind of printed circuit board complex compound wastewater treatment equipment according to claim 1, it is characterized in that: it is inner that described PH sensor (12) and analog to digital converter (13) are welded on PH regulator (11), and be electrical connected.
4. a kind of printed circuit board complex compound wastewater treatment equipment according to claim 3, it is characterized in that: described PH regulator (11) is provided with two, be arranged on PH respectively and adjust back in the pond of pond (5) and PH adjustment pond (1).
5. a kind of printed circuit board complex compound wastewater treatment equipment according to claim 1, is characterized in that: described PH equalizing tank (1), contact break reaction tank (2), coagulation reaction tank (3), tube settler (4) and PH are adjusted back pond (5) and be interconnected by pipeline (8) between any two.
6. a kind of printed circuit board complex compound wastewater treatment equipment according to claim 1, is characterized in that: described in be arranged on tube settler (4) top inclined tube (9) height lower than strainer (10) left side residing for height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510117971.9A CN104773865A (en) | 2015-03-17 | 2015-03-17 | Printed circuit board complex wastewater processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510117971.9A CN104773865A (en) | 2015-03-17 | 2015-03-17 | Printed circuit board complex wastewater processing device |
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| Publication Number | Publication Date |
|---|---|
| CN104773865A true CN104773865A (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510117971.9A Pending CN104773865A (en) | 2015-03-17 | 2015-03-17 | Printed circuit board complex wastewater processing device |
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| CN (1) | CN104773865A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113666541A (en) * | 2021-09-08 | 2021-11-19 | 龙南鼎泰电子科技有限公司 | Waste water circulation treatment system of printed circuit board |
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2015
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| US20030136742A1 (en) * | 2002-01-23 | 2003-07-24 | Bersbach Ann Nahed | Wastewater treatment process using 8856 (A&B) to remove metals from wastewater |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113666541A (en) * | 2021-09-08 | 2021-11-19 | 龙南鼎泰电子科技有限公司 | Waste water circulation treatment system of printed circuit board |
| CN113666541B (en) * | 2021-09-08 | 2023-01-06 | 龙南鼎泰电子科技有限公司 | Waste water circulation treatment system of printed circuit board |
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Application publication date: 20150715 |