CN2761588Y - Reuse treatment device for waste water of printing electronic wiring board inductry - Google Patents
Reuse treatment device for waste water of printing electronic wiring board inductry Download PDFInfo
- Publication number
- CN2761588Y CN2761588Y CN 200520068629 CN200520068629U CN2761588Y CN 2761588 Y CN2761588 Y CN 2761588Y CN 200520068629 CN200520068629 CN 200520068629 CN 200520068629 U CN200520068629 U CN 200520068629U CN 2761588 Y CN2761588 Y CN 2761588Y
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- reuse
- treatment unit
- electronic circuit
- printing electronic
- water
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Abstract
The utility model relates to an industrial wastewater reuse treatment device with a printing electronic circuit board. The utility model is characterized in that the device is composed of a pretreatment unit, a reuse advanced treatment unit, and a control circuit, wherein the pretreatment unit is connected in series with the reuse advanced treatment unit from front to back, the input end of the pretreatment unit is connected with cleaning wastewater; the output end of the reuse advanced treatment unit outputs reuse water. The reuse advanced treatment unit mainly comprises a wastewater passage composed of a mechanical filter, an activated carbon adsorption filter, a softener, a high pressure pump and a reverse osmosis device which are orderly connected in series by pipelines. The utility model uses a PCB industrial wastewater reuse technology, and has the advantages of good water quality of outflow water, low building cost and low operation cost. After used, the industrial wastewater reuse treatment device with a printing electronic circuit board can enhance the reusable rate of wastewater, can save water resources, and simultaneously, can efficiently control the number of contaminants in the discharged wastewater.
Description
Technical field
The utility model relates to a kind of wastewater treatment equipment, is specifically related to a kind of device that the printing electronic circuit trade effluent is carried out Treatment for Reuse.
Background technology
The water resources in china deficiency, along with The development in society and economy and quickening of urbanization process, the urban water shortage problem is outstanding, and the lack of water scope constantly enlarges, and degree of water shortage is on the rise.Normal time lack of water 6,000,000,000 m of National urban
3More than.
Printing electronic circuit (PCB) industry is the industry that each place encouragement is given priority to as the important component part of information industry.According to incompletely statistics, domestic PC B factory has exceeded thousand families, concentrates on the Delta of the Pearl River, Yangtze River Delta and Beijing-Tianjin wetlands district, and aggregated capacity reaches 7,000 ten thousand m
2/ year.The production process complexity of PCB producer will consume a large amount of tap water in the production process, and produces the Cleaning Wastewater of multiple high-concentration waste liquid and middle lower concentration.Have all contaminations in these waste liquids and the waste water, can pollute environment, need by special waste water disposal facility handle up to standard after, drain into again in urban pipe network or the natural water body.Therefore, the handling problems of the scarcity of water resources and waste water has limited further developing of PCB industry.
Because the PCB production technique has higher water quality requirement to water, simultaneously because the restriction of technology and fund now can't directly will be back to the PCB industrial production after the factory effluent advanced treatment.It is reported that at present mostly the PCB producer waste water that just will handle qualified discharge is used for greening irrigation etc. and uses mixedly, waste water recycling that indivedual PCB manufacturing enterprise will handle qualified discharge is only arranged in the less demanding production process of part water quality, the ratio of reuse is very low.Such as certain electronic printing factory the factory effluent of the nog plate section in the production process is concentrated separately, through being back to the erosion plate after simple the processing, moving back tin, moving back other water quality requirement operation on the low side such as the film.
The PCB trade effluent can be carried out being back to the PCB production process after the processing of the degree of depth, service efficiency with abundant raising water, does and minimizing enter the amount of pollutants of natural water? this is a very good problem to study, has solved the sound development that this problem could promote and promote PCB industry effectively.
Summary of the invention
The utility model provides a kind of printing electronic circuit industrial effluent reusing treatment unit, its purpose overcomes the problem that existing PCB industry water loss is big, its waste water recycling ratio is low, this device has used PCB industrial effluent reusing technology, and its effluent quality is good, construction cost is low, running cost is low.
For achieving the above object, the technical solution adopted in the utility model is: a kind of printing electronic circuit industrial effluent reusing treatment unit, constitute by pretreatment unit, reuse advanced treatment unit and pilot circuit, pretreatment unit and reuse advanced treatment unit tandem connection, the input terminus of pretreatment unit inserts Cleaning Wastewater, the output terminal output reuse water of reuse advanced treatment unit; The reuse advanced treatment unit comprises that mainly one is connected in series the waste water path that constitutes successively by mechanical filter, charcoal absorption strainer, softening agent, high-pressure pump and reverse osmosis unit by pipeline.
Related content in the technique scheme is explained as follows:
1, in the such scheme, described pilot circuit is made up of controller, transmitter, button, rly., rly. is serially connected in this control loop that installs each equipment, transmitter is arranged on each control point of this device, the input terminus of its output termination controller, the control end of the output relay termination of controller, described controller can be programmable logic controller (PLC), also can be micro-chip.
The quantity of described control point and position need decision by control, and the user can select by actual needs and design requirements.
2, in the such scheme, described pretreatment unit comprises that mainly one adjusts mixing pit, gelling pond, settling tank and catalyzed oxidation pond by PH and is connected in series the waste water path that constitutes successively by pipeline, and is provided with water pump in this waste water path; The mud discharging mouth of described settling tank leads to sludge treating system.
3, in the such scheme, for the reverse osmosis membrane in can cleaning easily, can be on a reverse osmosis unit external cover reverse osmosis washing unit.
4, in the such scheme,, reduce infringement, can between softening agent and high-pressure pump, be connected in series security personnel's strainer follow-up reverse osmosis unit for further increasing water quality.
5, in the such scheme, be connected to accurate filter on the output terminal of described reuse advanced treatment unit, through accurate filter output reuse water.
6, in the such scheme, described mechanical filter is a sand filter, selects multimedium filtrates such as manganese sand, quartz sand in this sand filter for use.
The utility model principle of work is: the PCB trade effluent mainly comprises the Cleaning Wastewater of the waste liquid and the middle lower concentration of various high densitys, wherein, Cleaning Wastewater accounts for 70%～80% of trade effluent total amount that PCB producer discharges, principal pollutant in Cleaning Wastewater are organic pollutant (COD) and heavy metal ion (mainly be copper, with nickel, tin etc.), the utility model is the recycling processing technique of utilization PCB trade effluent, and Cleaning Wastewater is carried out Treatment for Reuse.Working process is: in the Cleaning Wastewater input unit, earlier carry out pre-treatment through pretreatment unit, remove suspended impurity, organic pollutant, colloid, microorganism, the heavy metal ion of Cleaning Wastewater, carry out Treatment for Reuse through the reuse advanced treatment unit again, with the impurity in the further removal water body and microorganism, heavy metal oxide, and desalination, make water body reach PCB process water water quality requirement, become reuse water output.In pretreatment unit, waste water is adjusted mixing pit through PH, under certain pH value condition, mix with coagulating agent, heavy metal chelating agent, entering the gelling pond again mixes mutually with flocculation agent, at this moment, these medicaments mix fully with waste water and react, form insoluble geavy salt class throw out and be easy to sedimentary macrobead agglutinating matter (alumen ustum), and in settling tank, carry out gravity separation, make it precipitation and discharge, its isolated water body enters the catalyzed oxidation pond again, carries out chemical oxidation reaction, organism in the water body (COD) is decomposed removal, and pre-treatment finishes; Then with pretreated waste water input reuse advanced treatment unit, entered mechanical filter and charcoal absorption strainer before this, further remove assorted trace suspension thing in the water body, heavy metal oxide, residual oxygenant, organism and colourity, then enter softening agent, the hardness of water body is reduced, enter reverse osmosis unit at last,, reach the reuse index through this device desalination.
Because the technique scheme utilization, the utility model compared with prior art has following advantage:
1, because the utility model has adopted the reuse advanced treatment unit, wherein reverse osmosis unit has reduced the specific conductivity of water body effectively, make the water body quality of output reach the requirement of PCB production technique, but big area is back in the production of PCB, improve the service efficiency of water greatly, saved water resources.
2, because the utility model is divided into pretreatment unit and reuse advanced treatment unit two portions, during use more economically, practicality, can reduce the construction cost of equipment by practical situation with the combined use of the existing waste water disposal facility of reuse advanced treatment unit and producer.
3, the utility model is with the waste water disposal facility and the tap water of producer's widespread usage are compared with drainage facility at present, above-mentioned two kinds of facilities are for building respectively, cost is higher, and the utility model a set of equipment both can replace above-mentioned two kinds of facilities, therefore, construction cost and running cost all reduce, and technical superiority and economic advantages are obvious.
4, because the utility model has adopted the PLC controller, with the PLC controller operating parameters such as temperature, pressure are controlled, be fully automatic working, operation and maintenance is all very convenient.
Description of drawings
Accompanying drawing 1 is the structured flowchart of embodiment;
Accompanying drawing 2 is the workflow synoptic diagram of embodiment;
Accompanying drawing 4 is the distribution system diagram one of embodiment;
Accompanying drawing 6 is the distribution system diagram two of embodiment.
In the above accompanying drawing: 1, PH adjusts mixing pit; 2, gelling pond; 3, settling tank; 4, catalyzed oxidation pond; 5, water pump; 6, water pump; 7, mechanical filter; 8, charcoal absorption strainer; 9, softening agent; 10, high-pressure pump; 11 reverse osmosis units; 12, security personnel's strainer; 13, equalizing tank; 15, reverse osmosis washing unit; 16, sludge treating system; 17, pretreatment unit; 18, reuse advanced treatment unit.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: shown in accompanying drawing 1 and accompanying drawing 2, a kind of printing electronic circuit industrial effluent reusing treatment unit, constitute by pretreatment unit 17, reuse advanced treatment unit 18 and pilot circuit, pretreatment unit 17 and reuse advanced treatment unit 18 tandem connections, the input terminus of pretreatment unit 17 inserts Cleaning Wastewater, the output terminal output reuse water of reuse advanced treatment unit 18; Described pretreatment unit 17 comprises that mainly one adjusts mixing pit 1, gelling pond 2, settling tank 3 and catalyzed oxidation pond 4 by PH and is connected in series the waste water path that constitutes by pipeline successively, and in this waste water path, there are two places to be provided with water pump 5,6, one place is on this unitary input port, this place is connected to water pump 5, another place is this unitary exit, and this place also is connected to two water pumps 6; And the mud discharging mouth of settling tank 3 is led to sludge treating system 16; Reuse advanced treatment unit 18 comprises that mainly one is connected in series the waste water path that constitutes successively by mechanical filter 7, charcoal absorption strainer 8, softening agent 9, high-pressure pump 10 and reverse osmosis unit 11 by pipeline.
And, also be serially connected with security personnel's strainer 12 between described softening agent 9 and the high-pressure pump 10; Before the water pump 5 of the input terminus of this pretreatment unit, also be provided with equalizing tank 13, also be connected to accurate filter on the output terminal of reuse advanced treatment unit.
Cleaning Wastewater in the PCB factory effluent is handled in water pump 5 infeeds pretreatment unit 17 through equalizing tank 13 earlier, its output water is squeezed into 18 processing of reuse advanced treatment unit by water pump 6 more then, again through the filtration of accurate filter, input reuse water retention basin is stand-by after the processing.
In the pretreatment unit 17, PH adjusts and wants bubbling air to stir in mixing pit 1 and the gelling pond 2, adds NaOH, the agent of recapturing, Fecl
3, medicine such as PAM carries out flocculation separation, and will control pH value in real time about 8.5 in this process; And then separate in the input settling tank 3, enter catalyzed oxidation pond 4 at last, in catalyzed oxidation pond 4, add H
2O
2And FeSO
4Urge long oxidizing reaction.
In the reuse advanced treatment unit 18, mechanical filter 7 is a sand filter, and charcoal absorption strainer 8 is an activated carbon adsorber; Softening agent 9 adopts two cover resin absorption jars, and each adsorption tanks disposes a regenerating unit, and two cover resin absorption jars change jobs for wheel and regenerate; Reverse osmosis unit 11 is the RO reverse osmosis system, and core component wherein is a reverse osmosis membrane, for making things convenient for the cleaning of film, also is circumscribed with reverse osmosis washing unit 15 on reverse osmosis unit 11.
Shown in accompanying drawing 3～6, pilot circuit is specifically referring to accompanying drawing, mainly comprise controller, transmitter and rly. in the circuit, rly. is serially connected in this control loop that installs each equipment, transmitter is arranged on each control point of this device, the input terminus of its output termination controller, the control end of the output relay termination of controller.What Fig. 3, Fig. 4 represented is the circuit control of pretreatment unit part, is to count the data that collect in PH, OPR to control, and adopts J-C circuit control principle.What Fig. 5, Fig. 6 represented is the circuit control of reuse advanced treatment unit part, adopts Mitsubishi's programmable logic controller (FXON) that temperature, pressure and other parameters are controlled, and adopts man-machine dialog interface, level of automation height.
The each point of PLC is imported, exports corresponding as follows among Fig. 5:
X0-K1 intake pressure low switch Y7-KA3 outlet valve I (mechanical filter)
The high switch Y10-KA4 of X1-K2 discharge pressure water intaking valve II (mechanical filter)
X2-K3 produces water pressure high switch Y11-KA5 outlet valve II (mechanical filter)
The X3-SB1 high-pressure pump starts Y12-KA6 water intaking valve I (charcoal filter)
The X4-SB1 high-pressure pump stops Y13-KA7 outlet valve I (charcoal filter)
The X5-SB2 water discharge valve starts Y14-KA8 water intaking valve II (charcoal filter)
The X6-SB2 water discharge valve stops Y15-KA9 outlet valve II (charcoal filter)
X10-SA2 auto-switch Y16-HL3 indicates automatically
X11-SA2 manual switch Y17-HL4 manually indicates
The low indication of X12-SL1 discharging water tank low-side switch Y20-HL5 intake pressure
The high indication of X13-SL2 intermediate water tank high-side switch Y21-HL6 discharge pressure
X14-SL3 intermediate water tank low-side switch Y22-HL7 produces the high indication of water pressure
The low liquid level of X15-SL4 reuse water tank high-side switch Y23-HL8 discharging water tank
The high liquid level of X16-SL5 reuse water tank low-side switch Y30-HL9 intermediate water tank
Y0-KM1 PAC Teat pipette Y31-HL10 intermediate water tank hangs down liquid level
The high liquid level of Y1-KM2 PAM Teat pipette Y32-HL11 reuse water tank
Y2-KM3 lift pump II Y33-HL12 reuse water tank hangs down liquid level
Y3-KM4 lift pump III Y34-KA10 vent valve I
Y4-KM4 high-pressure pump Y35-KA11 vent valve II
Y5-KA1 water discharge valve Y36-KA12
Y6-KA2 water intaking valve I (mechanical filter) Y37-KA13
Claims (8)
1, a kind of printing electronic circuit industrial effluent reusing treatment unit, it is characterized in that: this device is made of pretreatment unit, reuse advanced treatment unit and pilot circuit, pretreatment unit and reuse advanced treatment unit tandem connection, the input terminus of pretreatment unit inserts Cleaning Wastewater, the output terminal output reuse water of reuse advanced treatment unit; The reuse advanced treatment unit comprises that mainly one is connected in series the waste water path that constitutes successively by mechanical filter, charcoal absorption strainer, softening agent, high-pressure pump and reverse osmosis unit by pipeline.
2, printing electronic circuit industrial effluent reusing treatment unit according to claim 1, it is characterized in that: described pilot circuit comprises controller, transmitter and rly., rly. is serially connected in this control loop that installs each equipment, transmitter is arranged on each control point of this device, the input terminus of its output termination controller, the control end of the output relay termination of controller.
3, printing electronic circuit industrial effluent reusing treatment unit according to claim 2, it is characterized in that: described controller is programmable logic controller or micro-chip.
4, printing electronic circuit industrial effluent reusing treatment unit according to claim 1, it is characterized in that: described pretreatment unit comprises that mainly one adjusts mixing pit, gelling pond, settling tank and catalyzed oxidation pond by PH and is connected in series the waste water path that constitutes successively by pipeline, and in this waste water path water pump is set; The mud discharging mouth of described settling tank leads to sludge treating system.
5, printing electronic circuit industrial effluent reusing treatment unit according to claim 1 is characterized in that: be circumscribed with the reverse osmosis washing unit on the described reverse osmosis unit.
6, printing electronic circuit industrial effluent reusing treatment unit according to claim 1 is characterized in that: be serially connected with security personnel's strainer between described softening agent and the high-pressure pump.
7, printing electronic circuit industrial effluent reusing treatment unit according to claim 1 is characterized in that: be connected to accurate filter on the output terminal of described reuse advanced treatment unit, through accurate filter output reuse water.
8, printing electronic circuit industrial effluent reusing treatment unit according to claim 1, it is characterized in that: described mechanical filter is a sand filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520068629 CN2761588Y (en) | 2005-01-24 | 2005-01-24 | Reuse treatment device for waste water of printing electronic wiring board inductry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520068629 CN2761588Y (en) | 2005-01-24 | 2005-01-24 | Reuse treatment device for waste water of printing electronic wiring board inductry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2761588Y true CN2761588Y (en) | 2006-03-01 |
Family
ID=36094720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520068629 Expired - Lifetime CN2761588Y (en) | 2005-01-24 | 2005-01-24 | Reuse treatment device for waste water of printing electronic wiring board inductry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2761588Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102701488A (en) * | 2012-06-25 | 2012-10-03 | 江苏京元节能环保有限公司 | Reverse osmosis purified water treatment system |
| CN108285223A (en) * | 2018-03-20 | 2018-07-17 | 珠海市晴宇环保科技服务有限公司 | A kind of process for reclaiming and system of industrial wastewater |
| CN108751499A (en) * | 2018-06-14 | 2018-11-06 | 福州大学 | A kind of printed wiring board cleaning waste water treatment process |
| CN108996748A (en) * | 2018-08-02 | 2018-12-14 | 盐城旭恒环保科技有限公司 | A kind of novel casting industry wastewater treatment equipment |
| CN111171970A (en) * | 2020-01-21 | 2020-05-19 | 苏州市晶协高新电子材料有限公司 | Welding slag cleaning method |
-
2005
- 2005-01-24 CN CN 200520068629 patent/CN2761588Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102701488A (en) * | 2012-06-25 | 2012-10-03 | 江苏京元节能环保有限公司 | Reverse osmosis purified water treatment system |
| CN108285223A (en) * | 2018-03-20 | 2018-07-17 | 珠海市晴宇环保科技服务有限公司 | A kind of process for reclaiming and system of industrial wastewater |
| CN108751499A (en) * | 2018-06-14 | 2018-11-06 | 福州大学 | A kind of printed wiring board cleaning waste water treatment process |
| CN108996748A (en) * | 2018-08-02 | 2018-12-14 | 盐城旭恒环保科技有限公司 | A kind of novel casting industry wastewater treatment equipment |
| CN111171970A (en) * | 2020-01-21 | 2020-05-19 | 苏州市晶协高新电子材料有限公司 | Welding slag cleaning method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150124 Granted publication date: 20060301 |