CN204097292U - A kind of printed circuit board developing wastewater zero discharge treatment unit - Google Patents
A kind of printed circuit board developing wastewater zero discharge treatment unit Download PDFInfo
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- CN204097292U CN204097292U CN201420549369.3U CN201420549369U CN204097292U CN 204097292 U CN204097292 U CN 204097292U CN 201420549369 U CN201420549369 U CN 201420549369U CN 204097292 U CN204097292 U CN 204097292U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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Abstract
The utility model belongs to technical field of sewage, discloses a kind of printed circuit board developing wastewater zero discharge treatment unit.Described treatment unit is made up of micro-filtration, first-stage reverse osmosis device, second level reverse osmosis apparatus, sea water desalinating plant and acidifying-iron-carbon micro-electrolysis device; Whole treatment unit by series, parallel mode several filtration unit coupled together formed overall, can run by continuous and automatic, and arrange in micro-filtration, first-stage reverse osmosis device, second level reverse osmosis apparatus and sea water desalinating plant and loop back, improve the rate of recovery of process water.Device process printed circuit board developing waste water of the present utility model can realize the zero release of waste water, has the advantage of economic environmental protection.
Description
Technical field
The utility model belongs to technical field of sewage, is specifically related to a kind of printed circuit board developing wastewater zero discharge treatment unit.
Background technology
Printed circuit board (PCB) creates demoulding waste water and development waste-water in the process of image transfer, because demoulding waste water is similar with development waste-water character, is often classified as a class discussion.This type of waste water is in alkalescence, and because of the photosensory membrane containing a large amount of dissolving in waste water, COD is up to several thousand to several ten thousand.Analyze the main component in waste water, be mostly organism, main organic compound is the 11 large classes such as organic acid, aldehydes, ester class, amine, fragrant ketone, anhydrides, comprises 45 compounds such as 1-methoxyl group Virahol, vinylformic acid, 2-methacrylic acid, phenylformic acid.Wherein lipid acid accounts for 5.8%, and poly-two propyl alcohol account for 66.6%, and alkylphenol polyoxyethylene accounts for 15%.These different tensio-active agents determine the emulsifying property of waste water, also constitute the main component of COD.The compositional analysis of inorganics shows 30 multiple elements, and concentration is greater than the metal of 0.1mg/L and nonmetally has the elements such as copper, zinc, chromium, mercury, nickel.Because each producer medicament used is different, the character of waste water, contained pollutent also difference to some extent, but generally speaking, in this type of waste water, organism kinds is various, stable in properties, and containing detection device for multi metallic elements.Cause wastewater biodegradability poor, cannot be directly biochemical, being also not easily oxidized by common oxidizer, is a kind of waste water that intractability in plating wastewater is maximum.
Under alkaline condition, photosensory membrane is soluble in water in emulsion liquid, and photosensory membrane can solidify in acid condition, therefore can process with acidization.Usually adding sulfuric acid adjusts pH to be about 3, and pressurized air stirs, and wherein organism cohesion is separated out, then pulls out.Uncongealed floss, uses pressure filter press filtration, and filtrate enters total equalizing tank, reprocessing after mixing with other waste water.
But the film being condensed into block of general acidifying press filtration removing only accounts for 40 ~ 50% of the total COD of raw wastewater, in filtrate, COD content is still up to several thousand, enter the intractability naturally adding composite waste in composite waste pond, often make the COD after process exceed standard, therefore water outlet after breakdown of emulsion is processed further and just seem very necessary.In pressure-filtering process, because the condensation product viscosity generated is very high, during press filtration, filter cloth easily blocks.
Utility model content
In order to solve the shortcoming and defect part of prior art, primary and foremost purpose of the present utility model is to provide a kind of printed circuit board developing wastewater zero discharge treatment unit.
The utility model object is achieved through the following technical solutions:
A kind of printed circuit board developing wastewater zero discharge treatment unit, be made up of micro-filtration, first-stage reverse osmosis device, second level reverse osmosis apparatus, sea water desalinating plant and acidifying-iron-carbon micro-electrolysis device, described micro-filtration, first-stage reverse osmosis device, second level reverse osmosis apparatus and sea water desalinating plant all arrange circulation loop.
Described micro-filtration comprises the development waste-water receiving tank, micro-filtration circulation groove and the micro-filtration strainer that connect successively; First-stage reverse osmosis device comprises the first-stage reverse osmosis circulation groove and first-stage reverse osmosis strainer that connect successively; Second level reverse osmosis apparatus comprises the PH regulating tank, two-pass reverse osmosis circulation groove, two-pass reverse osmosis strainer and the reuse tank that connect successively; Sea water desalinating plant comprises the sea water desaltination circulation groove and sea water desaltination strainer that connect successively; Acidifying-iron-carbon micro-electrolysis device comprises the acidification pool, iron-carbon micro-electrolysis device, PH equalizing tank and the settling tank that set gradually.
The annexation of described printed circuit board developing wastewater zero discharge treatment unit is: micro-filtration strainer is connected to first-stage reverse osmosis circulation groove; First-stage reverse osmosis strainer is connected to sea water desaltination circulation groove and PH regulating tank; Two-pass reverse osmosis strainer is connected to first-stage reverse osmosis circulation groove and reuse tank; Sea water desaltination strainer is connected to first-stage reverse osmosis circulation groove and acidification pool; Settling tank is connected to micro-filtration circulation groove, and described circulation loop is all arranged between respective circulation groove and strainer.
Described micro-filtration strainer, first-stage reverse osmosis strainer, two-pass reverse osmosis strainer, sea water desaltination strainer are by corresponding filter membrane, putamina and film frame composition, and filter membrane is arranged in putamina, and putamina is arranged on film frame.
Described connection refers to and to connect with rigid polyvinyl chloride (U-PVC) pipe.
Between described micro-filtration circulation groove and micro-filtration strainer, between first-stage reverse osmosis circulation groove and first-stage reverse osmosis strainer, between two-pass reverse osmosis circulation groove and two-pass reverse osmosis strainer, between sea water desaltination circulation groove and sea water desaltination strainer, all lift pump is set; First-stage reverse osmosis device, second level reverse osmosis apparatus and sea water desalinating plant all arrange accurate filter and high-pressure pump between its lift pump and strainer, and accurate filter is between lift pump and high-pressure pump; The preferred single-stage centrifugal pump of described lift pump; The preferred stage chamber pump of high-pressure pump of first-stage reverse osmosis device and second level reverse osmosis apparatus; The high-pressure pump preferred plunger pump of sea water desalinating plant.
Described acidifying-iron-carbon micro-electrolysis device also arranges pressure filter and lift pump, and pressure filter is arranged between acidification pool and iron-carbon micro-electrolysis device, and lift pump is arranged between acidification pool and pressure filter.
Device tool of the present utility model has the following advantages and beneficial effect:
(1) micro-filtration, first-stage reverse osmosis device, second level reverse osmosis apparatus, sea water desalinating plant and acidifying-iron-carbon micro-electrolysis device are suitably connected to couple together with parallel way and are formed entirety by treatment unit of the present utility model, can run continuously, and all circulation loop is arranged to micro-filtration, first-stage reverse osmosis device, second level reverse osmosis apparatus and sea water desalinating plant, improve the rate of recovery of water by circular treatment, achieve the zero release of electroplating and complexing waste water;
(2)) treatment unit of the present utility model is by designing micro-filtration in previous section, achieve organic condensation product in waste water and be separated removal with body refuse, prevent the pollution to subsequent filter device filter membrane and blocking, alleviate the filtration burden of follow up device, extend the work-ing life of filter membrane; By first-stage reverse osmosis apparatus design at middle portion, the heavy metal ion in removing printed circuit board developing waste water, improves the biodegradability of waste water; Arrange sea water desalinating plant and acidifying-iron-carbon micro-electrolysis device carries out circular treatment to dense water remaining after first-stage reverse osmosis process, the water after recycling, does not produce sewage discharge; Second level reverse osmosis apparatus is finally set circular treatment is carried out to water, reach recycle water standard.
Accompanying drawing explanation
Fig. 1 is the device of the utility model embodiment 1 carries out zero discharge treatment process flow sheet to printed circuit board developing waste water;
Fig. 2 is the structural representation of micro-filtration part in the printed circuit board developing wastewater zero discharge treatment unit of the utility model embodiment 1;
Fig. 3 is the structural representation of first-stage reverse osmosis device section in the printed circuit board developing wastewater zero discharge treatment unit of the utility model embodiment 1;
Fig. 4 is the structural representation of second level reverse osmosis apparatus part in the printed circuit board developing wastewater zero discharge treatment unit of the utility model embodiment 1;
Fig. 5 is the structural representation of sea water desalinating plant part in the printed circuit board developing wastewater zero discharge treatment unit of the utility model embodiment 1;
Fig. 6 is the structural representation of acidifying-iron-carbon micro-electrolysis device section in the printed circuit board developing wastewater zero discharge treatment unit of the utility model embodiment 1;
In figure, mark is described as follows: 1-development waste-water receiving tank, 2-micro-filtration circulation groove, 3-micro-filtration strainer, 4-first-stage reverse osmosis circulation groove, 5-first-stage reverse osmosis strainer, 6-PH regulating tank, 7-two-pass reverse osmosis circulation groove, 8-two-pass reverse osmosis strainer, 9-reuse tank, 10-sea water desaltination circulation groove, 11-sea water desaltination strainer, 12-acidification pool, 13-iron-carbon micro-electrolysis device, 14-PH equalizing tank, 15-settling tank, 16-connects the pipeline of micro-filtration strainer and first-stage reverse osmosis circulation groove, 17-connects the pipeline of first-stage reverse osmosis strainer and sea water desaltination circulation groove, 18-connects the pipeline of first-stage reverse osmosis strainer and PH regulating tank, 19-connects the pipeline of two-pass reverse osmosis strainer and first-stage reverse osmosis circulation groove, 20-connects the pipeline of two-pass reverse osmosis strainer and reuse tank, 21-connects the pipeline of sea water desaltination strainer and first-stage reverse osmosis circulation groove, 22-connects the pipeline of sea water desaltination strainer and acidification pool, 23-connects the pipeline of settling tank and micro-filtration circulation groove, 24-lift pump, 25-accurate filter, 26-high-pressure pump, 27-pressure filter, 28-under meter, 29-PH counts, 30-tensimeter, 31-conductance on-line computing model.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment 1
A kind of printed circuit board developing wastewater zero discharge treatment unit of the present embodiment, as figures 2-6, be made up of micro-filtration, first-stage reverse osmosis device, second level reverse osmosis apparatus, sea water desalinating plant and acidifying-iron-carbon micro-electrolysis device, described micro-filtration comprises the development waste-water receiving tank 1, micro-filtration circulation groove 2 and the micro-filtration strainer 3 that connect successively; First-stage reverse osmosis device comprises the first-stage reverse osmosis circulation groove 4 and first-stage reverse osmosis strainer 5 that connect successively; Second level reverse osmosis apparatus comprises the PH regulating tank 6, two-pass reverse osmosis circulation groove 7, two-pass reverse osmosis strainer 8 and the reuse tank 9 that connect successively; Sea water desalinating plant comprises the sea water desaltination circulation groove 10 and sea water desaltination strainer 11 that connect successively; Acidifying-iron-carbon micro-electrolysis device comprises the acidification pool 12, iron-carbon micro-electrolysis device 13, PH equalizing tank 14 and the settling tank 15 that connect successively, and described micro-filtration strainer 16 is connected to first-stage reverse osmosis circulation groove; First-stage reverse osmosis strainer is connected to sea water desaltination circulation groove by pipeline 17 and pipeline 18 is connected to PH regulating tank; Two-pass reverse osmosis strainer is connected to first-stage reverse osmosis circulation groove by pipeline 19 and is connected to reuse tank by pipeline 20; Sea water desaltination strainer is connected to first-stage reverse osmosis circulation groove by pipeline 21 and is connected to acidification pool by pipeline 22; Settling tank is connected to micro-filtration circulation groove by pipeline 23, and described micro-filtration, first-stage reverse osmosis device, second level reverse osmosis apparatus and sea water desalinating plant all arrange circulation loop between its circulation groove and strainer.
The micro-filtration strainer of the present embodiment, first-stage reverse osmosis strainer, two-pass reverse osmosis strainer, sea water desaltination strainer form by corresponding filter membrane, putamina and film frame, and filter membrane is arranged in putamina, and putamina is arranged on film frame.
Connection described in the present embodiment refers to and to connect with rigid polyvinyl chloride (U-PVC) pipe.
The micro-filtration of the present embodiment, first-stage reverse osmosis device, second level reverse osmosis apparatus and sea water desalinating plant also arrange lift pump 24 respectively, and described lift pump is separately positioned between micro-filtration circulation groove and micro-filtration strainer, between first-stage reverse osmosis circulation groove and first-stage reverse osmosis strainer, between two-pass reverse osmosis circulation groove and two-pass reverse osmosis strainer, between sea water desaltination circulation groove and sea water desaltination strainer; Described first-stage reverse osmosis device, second level reverse osmosis apparatus and sea water desalinating plant also arrange accurate filter 25 and high-pressure pump 26 respectively between its lift pump and strainer, and accurate filter is between lift pump and high-pressure pump; Described lift pump all adopts single-stage centrifugal pump; The high-pressure pump of first-stage reverse osmosis device and second level reverse osmosis apparatus all adopts stage chamber pump; The high-pressure pump of sea water desalinating plant adopts ram pump.
Acidifying-iron-carbon micro-electrolysis the device of the present embodiment also arranges pressure filter 27 and lift pump, and pressure filter is arranged between acidification pool and iron-carbon micro-electrolysis device, and lift pump is arranged between acidification pool and pressure filter.
The connecting tube of the present embodiment device is also arranged under meter 28, PH meter 29, tensimeter 30 and conductance on-line computing model 31.
Utilize the device of the present embodiment to carry out zero discharge treatment to the printed circuit board developing waste water of 10 batches, as shown in Figure 1, concrete treatment step is as follows for idiographic flow:
(1) by printed circuit board developing wastewater collection to development waste-water receiving tank, start micro-filtration, printed circuit board developing waste water is made to enter micro-filtration circulation groove, then cross flow filter is carried out through micro-filtration strainer, obtain fresh water A and dense water A1, dense water A1 is back to ultrafiltration circulation groove by circulation loop, carry out circulation to concentrate, last dense water A is to pressure filter, after pressure filter compression, water outlet is to ultrafiltration circulation groove, the outer process of body refuse committee after press filtration, fresh water A then enters the first-stage reverse osmosis circulation groove of first-stage reverse osmosis device;
(2) first-stage reverse osmosis device is started, filter in making the fresh water A through step (1) first by lift pump to accurate filter, then enter first-stage reverse osmosis strainer once to filter, obtain fresh water B and dense water B1, it is concentrated that dense water B1 is back to first-stage reverse osmosis circulation groove continuation circulation by circulation loop, and finally entering the sea water desaltination circulation groove of sea water desalinating plant, fresh water B then enters the pH regulator groove of second level reverse osmosis apparatus;
(3) second level reverse osmosis apparatus is started, filter in making the fresh water B through step (2) first by lift pump to accurate filter, then enter two-pass reverse osmosis strainer once to filter, obtain fresh water C and dense water C1, dense water C1 by circulation loop be back to two-pass reverse osmosis circulation groove carry out circulation concentrate, and finally entering first-stage reverse osmosis circulation groove, fresh water C then enters reuse tank;
(4) sea water desalinating plant is started, filter in making the dense water B through step (2) first by lift pump to accurate filter, then enter sea water desaltination strainer once to filter, obtain fresh water D and dense water D1, it is concentrated that dense water D1 is back to sea water desaltination circulation groove continuation circulation by circulation loop, and finally entering acidification pool, fresh water D then enters the first-stage reverse osmosis circulation groove of first-stage reverse osmosis device;
(5) acidifying-iron-carbon micro-electrolysis device is started, make in acidification pool, to carry out Production Wastewater By Combined Acidification And Demulsification through the dense water D1 of step (4), then enter pressure filter and carry out mud-water separation, waste water after separation enters iron-carbon micro-electrolysis device and carries out electrolysis, waste water after electrolysis treatment enters settling tank after entering pH regulator pond adjustment pH and precipitates, and the water after precipitation enters microfiltration membrane circulation groove and carries out circular treatment.
Adopt GB detection method (GB/T 7475-1987, GB/T 11912-1989, GB/T 11914-1989 :) to detect content and specific conductivity (EC) value of COD, Cu in printed circuit board developing waste water and reuse water, result is as shown in table 1:
Table 1
As can be seen from upper table result, development waste-water is after processing through the device of the present embodiment, and in the reuse water obtained, the content of COD, Cu and conductivity value all meet the standard of reuse water.
Above-described embodiment is the utility model preferably embodiment; but embodiment of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from spirit of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.
Claims (8)
1. a printed circuit board developing wastewater zero discharge treatment unit, it is characterized in that: described treatment unit is connected to form by micro-filtration, first-stage reverse osmosis device, second level reverse osmosis apparatus, sea water desalinating plant and acidifying-iron-carbon micro-electrolysis device, and described micro-filtration, first-stage reverse osmosis device, second level reverse osmosis apparatus and sea water desalinating plant all arrange circulation loop.
2. a kind of printed circuit board developing wastewater zero discharge treatment unit according to claim 1, is characterized in that: described micro-filtration comprises the development waste-water receiving tank, micro-filtration circulation groove and the micro-filtration strainer that connect successively; First-stage reverse osmosis device comprises the first-stage reverse osmosis circulation groove and first-stage reverse osmosis strainer that connect successively; Second level reverse osmosis apparatus comprises the PH regulating tank, two-pass reverse osmosis circulation groove, two-pass reverse osmosis strainer and the reuse tank that connect successively; Sea water desalinating plant comprises the sea water desaltination circulation groove and sea water desaltination strainer that connect successively; Acidifying-iron-carbon micro-electrolysis device comprises the acidification pool, iron-carbon micro-electrolysis device, PH equalizing tank and the settling tank that set gradually.
3. a kind of printed circuit board developing wastewater zero discharge treatment unit according to claim 2, is characterized in that: the annexation of described printed circuit board developing wastewater zero discharge treatment unit is: micro-filtration strainer is connected to first-stage reverse osmosis circulation groove; First-stage reverse osmosis strainer is connected to sea water desaltination circulation groove and PH regulating tank; Two-pass reverse osmosis strainer is connected to first-stage reverse osmosis circulation groove and reuse tank; Sea water desaltination strainer is connected to first-stage reverse osmosis circulation groove and acidification pool; Settling tank is connected to micro-filtration circulation groove; Described circulation loop is all arranged between respective circulation groove and strainer.
4. a kind of printed circuit board developing wastewater zero discharge treatment unit according to claim 2, it is characterized in that: described micro-filtration strainer, first-stage reverse osmosis strainer, two-pass reverse osmosis strainer, sea water desaltination strainer are made up of corresponding filter membrane, putamina and film frame respectively, filter membrane is arranged in putamina, and putamina is arranged on film frame.
5. a kind of printed circuit board developing wastewater zero discharge treatment unit according to Claims 2 or 3, is characterized in that: described connection is connected by hard polvinyl choride pipe.
6. a kind of printed circuit board developing wastewater zero discharge treatment unit according to claim 2, is characterized in that: between described micro-filtration circulation groove and micro-filtration strainer, all arrange lift pump between first-stage reverse osmosis circulation groove and first-stage reverse osmosis strainer, between two-pass reverse osmosis circulation groove and two-pass reverse osmosis strainer, between sea water desaltination circulation groove and sea water desaltination strainer; First-stage reverse osmosis device, second level reverse osmosis apparatus and sea water desalinating plant all arrange accurate filter and high-pressure pump between its lift pump and strainer, and accurate filter is between lift pump and high-pressure pump.
7. a kind of printed circuit board developing wastewater zero discharge treatment unit according to claim 6, is characterized in that: described lift pump is single-stage centrifugal pump; The high-pressure pump of first-stage reverse osmosis device and second level reverse osmosis apparatus is stage chamber pump; The high-pressure pump of sea water desalinating plant is ram pump.
8. a kind of printed circuit board developing wastewater zero discharge treatment unit according to claim 2, it is characterized in that: described acidifying-iron-carbon micro-electrolysis device also arranges pressure filter and lift pump, pressure filter is arranged between acidification pool and iron-carbon micro-electrolysis device, and lift pump is arranged between acidification pool and pressure filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549369.3U CN204097292U (en) | 2014-09-23 | 2014-09-23 | A kind of printed circuit board developing wastewater zero discharge treatment unit |
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| CN201420549369.3U CN204097292U (en) | 2014-09-23 | 2014-09-23 | A kind of printed circuit board developing wastewater zero discharge treatment unit |
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| CN204097292U true CN204097292U (en) | 2015-01-14 |
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| CN201420549369.3U Active CN204097292U (en) | 2014-09-23 | 2014-09-23 | A kind of printed circuit board developing wastewater zero discharge treatment unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261598A (en) * | 2014-09-23 | 2015-01-07 | 扬州佳境环境设备有限公司 | Zero-discharge treatment process and device for printed circuit board developing wastewater |
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- 2014-09-23 CN CN201420549369.3U patent/CN204097292U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261598A (en) * | 2014-09-23 | 2015-01-07 | 扬州佳境环境设备有限公司 | Zero-discharge treatment process and device for printed circuit board developing wastewater |
| CN104261598B (en) * | 2014-09-23 | 2015-10-28 | 扬州佳境环境科技股份有限公司 | A kind of printed circuit board developing waste water zero discharge treatment process and device |
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Owner name: YANGZHOU INGREENTREE ENVIRONMENTAL TECHNOLOGY CO., Free format text: FORMER NAME: YANGZHOU JIAJING ENVIRONMENTAL EQUIPMENT CO., LTD. |
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Address after: 225008 Jiangsu province Yangzhou City Ping Road No. 218 Patentee after: YANGZHOU INGREENTREE ENVIRONMENTAL EQUIPMENT CO., LTD. Address before: 225008 Jiangsu province Yangzhou City Ping Road No. 218 Patentee before: YANGZHOU JIAJING ENVIRONMENT EQUIPMENT CO., LTD. |