CN1397501A - Process and equipment for reclaing sewage generated by wiping paper money printing plate - Google Patents
Process and equipment for reclaing sewage generated by wiping paper money printing plate Download PDFInfo
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- CN1397501A CN1397501A CN 01120520 CN01120520A CN1397501A CN 1397501 A CN1397501 A CN 1397501A CN 01120520 CN01120520 CN 01120520 CN 01120520 A CN01120520 A CN 01120520A CN 1397501 A CN1397501 A CN 1397501A
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Abstract
A process for reclaiming the sewage generated by wiping the paper money printing plate includes stage-one superfilter, cyclone deposition separation, stage-2 superfilter, burning as steam baking or flocculation, and centrifugal separation. Its system is composed of superfilter membrane, cyclone separator, etc. Its advantages are simple equipment and no sewage drainage.
Description
Technical field
The invention belongs to the method that a kind of waste liquid reclaims, relate in particular to a kind of reclaing sewage generated by wiping paper money printing plate method and equipment thereof.
Background technology
The method of conventional process gravure wiping waste liquid is the combination of chemical flocculation, biological treatment or these two kinds of methods because wipe version waste liquid alkalinity and printing ink higher, not only need during processing to consume a large amount of acid, and complex steps, big, the poor processing effect of floor space.Have lot of advantages relatively and adopt ultra-filtration technique to handle to wipe a version waste liquid, such as its facility compact, simple to operate, save advantages such as space, processing efficiency height, less energy consumption and recyclable valuable substance.Yet reclaim in the actual motion of wiping version liquid in ultrafiltration process, usually since in liquid waste concentration and the waste liquid pollution substance to the influence of ultra-filtration membrane, the rate of recovery of make wiping the version waste liquid only about 70%, adds that the high density of discharge is wiped a version waste liquid, and still having about 50% high density to wipe a version waste liquid needs to handle.If the rate of recovery of waste liquid further can be improved, not only great deal of raw materials can be saved, and the concentrated solution volume will be significantly reduced, increase the calorific value of waste liquid, help the processing of follow-up concentrated solution.Therefore, developing a kind of full method of handling of bank note printing plate waste liquor that is suitable for, not only environment protection is had bigger practical significance, and remarkable economic efficiency is arranged, is a very significant job.
In handling the method for wiping the version waste liquid, the treatment process that different manufacturers adopt is not quite similar.In and flocculence be one of treatment process that early adopts, adopt the waste water that this method handled can't reuse, and do not reach the emission standard of environment protection.Adopt organic floculant to handle high density and wipe the version waste liquid, its flocculation supernatant liquor can reach the reuse requirement, makes the popularization of this technology be restricted but processing cost is too high.
Summary of the invention
The object of the present invention is to provide a kind of reclaing sewage generated by wiping paper money printing plate method and equipment thereof, can improve the rate of recovery of wiping version liquid, reduce the final volume of handling concentrated solution, reduce the processing costs of wiping paper money printing plate liquid.
For achieving the above object, a kind of reclaing sewage generated by wiping paper money printing plate method provided by the invention comprises the following steps:
Bank note printing plate waste liquor is earlier through the one-level uf processing;
The concentrated solution of one-level ultrafiltration concentrates once more through the cyclone sediment separator;
The isolating light liquid of going up of cyclone sediment is handled through second ultrafiltration;
Concentrated solution to cyclone sediment is finally handled.
In the aforesaid method, the one-level ultrafiltration sees through liquid reuse amount for wiping the 50-90% of version waste liquid total amount volume ratio, is preferably 70-80%.
In the aforesaid method, one-level ultrafiltrated residence time in the cyclone sediment separator is 5-60 minute, is preferably 14-28 minute.
In the aforesaid method, two-stage ultrafiltering sees through liquid reuse amount for wiping the 10-20% of version waste liquid total amount volume ratio, is preferably 15-18%.
Be used to realize that the equipment of this method includes:
One-level ultrafiltration circulation tank circulates bank note printing plate waste liquor;
The one-level ultra-fine filter carries out the one-level ultrafiltration to bank note printing plate waste liquor;
The two-stage ultrafiltering circulation tank circulates one-level ultrafiltration and concentration liquid again;
The two-stage ultrafiltering device carries out two-stage ultrafiltering to one-level ultrafiltration and concentration liquid;
The cyclone sediment separator carries out precipitate and separate to secondary filtrate;
See through flow container, be used to deposit the liquid that sees through through the reuse of firsts and seconds uf processing;
The concentrated solution basin is used to deposit the cyclone sediment separation concentrated solution;
The concentrated solution treater is used to handle the cyclone sediment separation concentrated solution.
Be equipped with valve connection and control with pipeline between each parts of aforesaid device.
The molecular weight cut-off of firsts and seconds ultra-filtration membrane is 1000～1,000,000 dalton in aforesaid device, is preferably 10000～100000 dalton.
Ultra-fine filter adopts tubular membrane, hollow-fibre membrane, flat sheet membrane or rolled film in aforesaid device;
The ultra-filtration membrane material that ultra-fine filter adopts in aforesaid device can be mineral membrane, as the filter membrane of aluminum oxide and Zirconium oxide sintering, also can be organic membrane, as single inner cortex polysulfones and circular polysulfones blend film, polyethersulfone and circular polysulfones blend film or polyacrylonitrile material.
The two-stage ultrafiltering device can pass through regulated valve in aforesaid device, and ultrafiltration commutates.
The charging of cyclone sediment separator is a tangential admission in aforesaid device, and last light liquid is drawn by the overflow conduit at center, and concentrated solution is discharged through pump through the exhaust-valve of bottom.
The concentrated solution treater can be incinerator, steam drying machine or whizzer in aforesaid device.
When the concentrated solution treater is whizzer in aforesaid device with flocculation medicament storage tank supporting use.
Description of drawings
Provide optimum implementation below and also in conjunction with the accompanying drawings the present invention is described in detail, wherein:
Fig. 1: schematic flow sheet of the present invention.
Fig. 2: the concentrated solution treater is the equipment synoptic diagram of incinerator or steam drying machine.
Fig. 3: the concentrated solution treater is whizzer and the matching used equipment synoptic diagram of flocculation medicament storage tank.
Fig. 4: the bar graph that the two-stage ultrafiltering average flux changes with concentration rate
Fig. 5: last light liquid and concentrated solution have solid content with the concentration rate change curve in the cyclone separator
Embodiment
Technical process of the present invention as shown in Figure 1, its equipment as shown in Figures 2 and 3, Fig. 2 and Fig. 3 difference are that the concentrated solution treater is incinerator or steam drying machine in the equipment that Fig. 2 shows, the concentrated solution processor adopting is whizzer and the supporting use of flocculation medicament storage tank in the equipment that Fig. 3 shows.
Be described in conjunction with Fig. 2 earlier:
At first carry out the one-level ultrafiltration, the most of version liquid of wiping of reuse: shut-off valve 12-17,12-16,12-20, valve 12-1,12-4,12-5,12-6,12-7,12-19,12-18 outward winding, opening pump 7-1,7-2 makes and wipes version liquid through valve 12-1, valve 12-4, pump 7-1, prefilter 8, valve 12-5, pump 7-2, to ultra-fine filter 9-1, the part of ultrafiltration circulation fluid directly continues circulation through valve 12-19, and another part continues circulation through valve 12-6, valve 12-7 to circulation tank 1; Ultrafiltration sees through liquid and arrives through flow container 2 through under meter 11-1, valve 12-18, is back to use the printing unit behind valve 12-22, sees through liquid reuse amount and accounts for 80% of wiping version waste liquid total amount volume ratio.
Next adopts cyclone sediment to separate and combines with two-stage ultrafiltering, the volume of concentrated solution is continued to dwindle, improve the reclamation rate of wiping version liquid simultaneously: after the one-level ultrafiltration runs to certain concentration rate, close 12-21,12-3,12-9, valve 12-16,12-10,12-2,12-8,12-12 outward winding, the one-level ultrafiltration and concentration liquid that concentrates 5 times is entered in the two-stage ultrafiltering circulation tank 3 with certain speed, open pump 7-3 simultaneously, make one-level ultrafiltration and concentration liquid arrive two-stage ultrafiltering device 9-2 through valve 12-10, pump 7-3, valve 12-2; The ultrafiltration circulation fluid is through valve 12-8, part directly continues circulation through valve 12-13, part through valve 13-12 to cyclone sediment separator 4, owing to one-level ultrafiltration and concentration liquid contains bigger overbottom pressure, tangentially enter cyclone sediment separator 4 with bigger linear velocity, in separator 4, stop certain hour.Present method residence time be 5-60 minute all can, present embodiment control is 20 minutes the residence time.The particle that proportion is bigger is sunken to the separator bottom under centrifugal action, the overflow conduit of last light liquid by precipitate and separate device 4 centers overflows in the two-stage ultrafiltering circulation tank 3 and continues loop ultrafiltration, concentrated solution is discharged through pump through the exhaust-valve of separator 4 bottoms, ultrafiltration sees through liquid and arrives through flow container 2 through under meter 11-2, valve 12-11,12-18, be back to use the printing unit behind valve 12-22, two-stage ultrafiltering sees through liquid reuse amount and accounts for 15% of wiping version waste liquid total amount volume ratio.For guaranteeing the effect of two-stage ultrafiltering, commutate every the regular hour, promptly change the flow through flow direction of two-stage ultrafiltering device of concentrated solution, concrete operations are: shut-off valve 12-2,12-8, outward winding valve 12-3,12-9 make one-level ultrafiltration and concentration liquid arrive two-stage ultrafiltering device 9-2 through pump 7-3, valve 12-9; The ultrafiltration circulation fluid is through valve 12-3, and part directly continues circulation through valve 12-13, and 0 part to cyclone sediment separator 4, reaches the purpose of commutation through valve 12-12.
The pressure condition of each step shows by tensimeter 10-1,10-2,10-3,10-4 in the whole ultra-filtration process.
The ultra-filtration membrane molecular weight cut-off that ultra-fine filter of the present invention adopts is 1000-100 ten thousand dalton, be preferably 10000-100000 dalton, ultra-fine filter can adopt tubular membrane, hollow-fibre membrane, form such as flat sheet membrane or rolled film, the ultra-filtration membrane material can be mineral membrane, filter membrane as aluminum oxide and Zirconium oxide sintering, also can be organic membrane, as single inner cortex polysulfones and circular polysulfones blend film, polyethersulfone and circular polysulfones blend film or polyacrylonitrile material, present embodiment firsts and seconds ultra-fine filter all adopts hollow-fibre membrane, molecular weight cut-off is 30000 dalton, one-level ultra-filtration membrane material is simple substance polysulfones and circular polysulfones blend film, the two-stage ultrafiltering mould material is the filter membrane of aluminum oxide and Zirconium oxide sintering, because the ultra-fine filter of above-mentioned other form and the ultra-filtration membrane result of use of other material are identical with present embodiment, therefore describe no longer for example.
Handle final concentrated solution: the operation certain hour after, the valve 12-14 that outwards winding delivers to the concentrated solution of cyclone sediment separator 4 bottoms in the basin 5 through pump 7-4, carry out the stirring of certain hour after, handle to concentrated solution treater 6 through valve 12-15, pump 7-5.The concentrated solution treater 6 that shows among Fig. 2 can be an incinerator, also can be steam drying machine.If adopt incinerator, then the two-stage ultrafiltering concentrated solution sprayed into incinerator and burn.If adopt steam drying machine, then the two-stage ultrafiltering concentrated solution is dried into solid slag, the pack otherwise processed.
Fig. 3 shows that concentrated solution treater 6 is whizzer and the supporting use of flocculation medicament storage tank, its working method is: valve 12-14 outwards winding, with the concentrated solution of cyclone sediment separator 4 bottoms through pump 7-4 in basin 5, under agitation the flocculation agent that will flocculate in the medicament storage tank 13 by pump 7-6 joins in the basin 5, flocculation is after valve 12-15, pump 7-5 carry out centrifugal to whizzer, centrifugal slag pack is handled, and the centrifugal light liquid of going up then is back in the basin 5.
The ultrafiltration average flux of two-stage ultrafiltering is seen Fig. 4 with the changing conditions of concentration rate in the operational process, and average flux is with J
Av=V
Total/ t characterizes.J in the formula
AvAverage flux; V
TotalFor one-period goes out the clear liquid volume; T is one-period working time.
The solid content that goes up light liquid and concentrated solution in the cyclone sediment separator is seen Fig. 5.
The present invention handles and wipes a version liquid reuse amount is 95% of waste liquid total amount, and the burning oil consumption when burning waste residue is 27.5%～33% of the method oil consumption that only adopts the one-level combining ultrafiltration and burn, and its economic benefit is very considerable, and finally reaches without sewage discharge.
Claims (14)
1, a kind of reclaing sewage generated by wiping paper money printing plate method comprises the following steps:
Bank note printing plate waste liquor is earlier through the one-level uf processing;
The concentrated solution of one-level ultrafiltration concentrates once more through the cyclone sediment separator;
The isolating light liquid of going up of cyclone sediment is handled through second ultrafiltration;
Concentrated solution to cyclone sediment is finally handled.
2, reclaing sewage generated by wiping paper money printing plate method as claimed in claim 1 is characterized in that, the one-level ultrafiltration sees through liquid reuse amount for wiping the 50-90% of version waste liquid total amount volume ratio, is preferably 70-80%.
3, reclaing sewage generated by wiping paper money printing plate method as claimed in claim 1 is characterized in that, one-level ultrafiltrated residence time in the cyclone sediment separator is 5-60 minute, is preferably 14-28 minute.
4, reclaing sewage generated by wiping paper money printing plate method as claimed in claim 1 is characterized in that, two-stage ultrafiltering sees through liquid reuse amount for wiping the 10-20% of version waste liquid total amount volume ratio, is preferably 15-18%.
5, a kind of equipment that is used to realize the described reclaing sewage generated by wiping paper money printing plate method of claim 1 includes:
One-level ultrafiltration circulation tank circulates bank note printing plate waste liquor;
The one-level ultra-fine filter carries out the one-level ultrafiltration to bank note printing plate waste liquor;
The two-stage ultrafiltering circulation tank circulates one-level ultrafiltration and concentration liquid again;
The two-stage ultrafiltering device carries out two-stage ultrafiltering to one-level ultrafiltration and concentration liquid;
The cyclone sediment separator carries out precipitate and separate to secondary filtrate;
See through flow container, be used to deposit the liquid that sees through through the reuse of firsts and seconds uf processing;
The concentrated solution basin is used to deposit the cyclone sediment separation concentrated solution;
The concentrated solution treater is used to handle the cyclone sediment separation concentrated solution.
6, equipment as claimed in claim 5 is characterized in that, the molecular weight cut-off of firsts and seconds ultra-filtration membrane is 1000～1,000,000 dalton, is preferably 10000～100000 dalton.
7, equipment as claimed in claim 5 is characterized in that, the ultra-fine filter form is tubular membrane, hollow-fibre membrane, flat sheet membrane or rolled film.
8, equipment as claimed in claim 5 is characterized in that, the ultra-filtration membrane material that ultra-fine filter adopts is mineral membrane or organic membrane.
9, equipment as claimed in claim 8 is characterized in that, mineral membrane is aluminum oxide and Zirconium oxide sintering.
10, equipment as claimed in claim 8 is characterized in that, organic membrane is single inner cortex polysulfones and circular polysulfones blend film, polyethersulfone and circular polysulfones blend film or polyacrylonitrile material.
11, equipment as claimed in claim 5 is characterized in that, the two-stage ultrafiltering device can pass through regulated valve, and ultrafiltration commutates.
12, equipment as claimed in claim 5 is characterized in that, the charging of cyclone sediment separator is a tangential admission, and last light liquid is drawn by the overflow conduit at center, and concentrated solution is discharged through pump through the exhaust-valve of bottom.
13, equipment as claimed in claim 5 is characterized in that, the waste residue jar is incinerator, steam drying machine or whizzer.
14, equipment as claimed in claim 13 is characterized in that, when the waste residue jar is whizzer with flocculation medicament storage tank supporting use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01120520 CN1397501A (en) | 2001-07-18 | 2001-07-18 | Process and equipment for reclaing sewage generated by wiping paper money printing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01120520 CN1397501A (en) | 2001-07-18 | 2001-07-18 | Process and equipment for reclaing sewage generated by wiping paper money printing plate |
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| Publication Number | Publication Date |
|---|---|
| CN1397501A true CN1397501A (en) | 2003-02-19 |
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ID=4664201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01120520 Pending CN1397501A (en) | 2001-07-18 | 2001-07-18 | Process and equipment for reclaing sewage generated by wiping paper money printing plate |
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| CN (1) | CN1397501A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101333015B (en) * | 2007-06-29 | 2010-09-29 | 中芯国际集成电路制造(上海)有限公司 | Recovery system and process for discharged water |
| CN102583818A (en) * | 2012-02-03 | 2012-07-18 | 中国印钞造币总公司 | Regeneration treatment method for plate wiping waste liquid of engraving gravure printing machine |
| CN102897931A (en) * | 2011-07-27 | 2013-01-30 | 彰化炼水股份有限公司 | Sewage purification circulation system of semiconductor industry |
| CN103936183A (en) * | 2014-04-25 | 2014-07-23 | 江苏久吾高科技股份有限公司 | Method for dewaxing and deoiling MTO/MTP oxygen-containing compound stripping tower kettle liquid |
| CN103951098A (en) * | 2014-04-25 | 2014-07-30 | 江苏久吾高科技股份有限公司 | Solid and oil removal method and device for chilled water and washed water in MTO (methanol to olefin) process |
| CN104071910A (en) * | 2014-06-25 | 2014-10-01 | 江苏久吾高科技股份有限公司 | MTO/MTP (Methanol to Olefins/Methanol to Propylene) product separating tower bottom solution dewaxing and deoiling method and device |
-
2001
- 2001-07-18 CN CN 01120520 patent/CN1397501A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101333015B (en) * | 2007-06-29 | 2010-09-29 | 中芯国际集成电路制造(上海)有限公司 | Recovery system and process for discharged water |
| CN102897931A (en) * | 2011-07-27 | 2013-01-30 | 彰化炼水股份有限公司 | Sewage purification circulation system of semiconductor industry |
| CN102583818A (en) * | 2012-02-03 | 2012-07-18 | 中国印钞造币总公司 | Regeneration treatment method for plate wiping waste liquid of engraving gravure printing machine |
| CN102583818B (en) * | 2012-02-03 | 2013-04-17 | 中国印钞造币总公司 | Regeneration treatment method for plate wiping waste liquid of engraving gravure printing machine |
| CN103936183A (en) * | 2014-04-25 | 2014-07-23 | 江苏久吾高科技股份有限公司 | Method for dewaxing and deoiling MTO/MTP oxygen-containing compound stripping tower kettle liquid |
| CN103951098A (en) * | 2014-04-25 | 2014-07-30 | 江苏久吾高科技股份有限公司 | Solid and oil removal method and device for chilled water and washed water in MTO (methanol to olefin) process |
| CN103936183B (en) * | 2014-04-25 | 2015-11-11 | 江苏久吾高科技股份有限公司 | MTO/MTP oxygenatedchemicals stripping tower bottoms dewaxing deoiling method |
| CN103951098B (en) * | 2014-04-25 | 2015-12-30 | 江苏久吾高科技股份有限公司 | In MTO technology, quenched water and washing water take off method and the device of solid oil removing |
| CN104071910A (en) * | 2014-06-25 | 2014-10-01 | 江苏久吾高科技股份有限公司 | MTO/MTP (Methanol to Olefins/Methanol to Propylene) product separating tower bottom solution dewaxing and deoiling method and device |
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