CN103011522A - Method for treating wastewater generated during printing ink preparation process - Google Patents
Method for treating wastewater generated during printing ink preparation process Download PDFInfo
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- CN103011522A CN103011522A CN2012105780142A CN201210578014A CN103011522A CN 103011522 A CN103011522 A CN 103011522A CN 2012105780142 A CN2012105780142 A CN 2012105780142A CN 201210578014 A CN201210578014 A CN 201210578014A CN 103011522 A CN103011522 A CN 103011522A
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Abstract
The invention relates to the technical field of wastewater treatment, and in particular relates to a method for treating wastewater generated during a printing ink preparation process. The wastewater treatment process comprises the following steps: (1) collecting wastewater in a sewage tank; (2) discharging the wastewater in the sewage tank to a first treatment tank to be electrically filtered; (3) discharging the wastewater to a second treatment tank to be biochemically treated; (4) delivering the wastewater to a storage device to be stored for standby; (5) filtering the wastewater in the storage device; and (6) separating particle impurities from the wastewater after the treatment of step (5) obliquely through utilizing an inclined plate, and delivering the recycled water to a factory to be used as a wetting agent which is required for producing printing oil. The wastewater which is generated during the printing ink preparation process is subjected to a plurality of purification treatment and is then used as the wetting agent which is required by the printing oil production to be reused during the printing oil production process, so that the whole printing oil production nearly realizes zero wastewater discharge, environment is protected, moreover, water resources are saved and the printing oil production cost is lowered.
Description
Technical field
The present invention relates to technical field of waste water processing, particularly relate to a kind for the treatment of process that produces waste water in the printing ink process for preparing.
Background technology
Development along with packaging industry, people will constantly improve the usage quantity of printing ink, cause the turnout of printing ink also can constantly increase, counted on for the end of the year 2010, Chinese printing printing ink total quantity consumed has reached approximately 430,000 ton/years level, according to statistical estimate, the printing ink industry has huge development space.Yet present printing ink preparation technology tends to produce a large amount of trade effluents, especially when using moisture wetting agent, usually can produce a large amount of acid waste water when printing ink is carried out processed.In the prior art, the waste water that produces for preparation printing ink adopts the directly modes of discharging more, to the environment of periphery.
Summary of the invention
The object of the invention is to avoid weak point of the prior art and provide a kind of waste water that can reclaim efficiently to re-use, and produce the treatment process of waste water in the preparation printing ink process at environmental protection, saving water source.
Purpose of the present invention is achieved through the following technical solutions.
A kind for the treatment of process that produces waste water in the printing ink process for preparing is characterized in that, includes following steps: (1) collects the waste water of factory's discharging in sump; (2) treatment trough of the discharge of wastewater to the first in the sump is carried out electrofiltration; (3) will carry out biochemical treatment through discharge of wastewater to the second treatment trough of a physical filtering; (4) will be delivered to through the waste water after the biochemical treatment in the water storage device storage for subsequent use; (5) water in the water storage device being disposed to the 3rd treatment unit filters again; (6) will use tilted plate inclination separating particles impurity through the waste water after the secondary physical filtration treatment, and the water that recovery obtains will be delivered in the factory as the required wetting agent use of Printing ink producing.
Wherein, the first treatment trough uses the electrofiltration machine that waste water is carried out electrofiltration in the step (2).
Wherein, the 3rd treatment unit is filter bag in the step (5).
Wherein, be equiped be used to the pump that power is provided between filter bag and the tilted plate.
Wherein, water storage device comprises three buckets, is specially drum, middle bucket and keg, and drum is communicated with middle bucket, and middle bucket is communicated with keg, and middle bucket is communicated with the second treatment trough.
Wherein, be provided with under meter between middle bucket and the keg.
Preferably, to be made as volume be 24 tons bucket to drum; It is 10 tons bucket that middle bucket is made as volume, and it is 1.5 tons bucket that keg is made as volume.
Wherein, be equiped with pump between middle bucket and the second treatment trough.
Wherein, part water after step (5) processed is drawn by water pipe and is carried out irrigating plant to observe waste water after processing for the impact of plant-growth situation, if observing vegetation growth state occurs when unusual, then temporarily stop step (6), the water of water storage device is delivered to continues step (2) in the sump again.
Beneficial effect of the present invention: a kind for the treatment of process that produces waste water in the printing ink process for preparing, include following steps, (1) collects the waste water of factory's discharging in sump; (2) treatment trough of the discharge of wastewater to the first in the sump is carried out electrofiltration; (3) will carry out biochemical treatment through discharge of wastewater to the second treatment trough of physical filtering; (4) will be delivered to through the waste water after the biochemical treatment in the water storage device storage for subsequent use; (5) water in the water storage device being disposed to the 3rd treatment unit filters again; (6) waste water after processing through step (5) is used tilted plate inclination separating particles impurity, and the water that recovery obtains is delivered in the factory as the required wetting agent use of Printing ink producing.The present invention will prepare the waste water that produces in the printing ink process through repeatedly returning in the Printing ink producing process as the required wetting agent of Printing ink producing after the treatment and purification again, make whole Printing ink producing almost realize no effuent discharge, not only environmental protection, and saved water resources, reduction Printing ink producing cost.
Embodiment
The invention will be further described with the following Examples.
A kind for the treatment of process that produces waste water in the printing ink process for preparing, wastewater treatment process is as follows:
(1) collects the waste water of factory's discharging in sump.Specifically with each point that produces waste water in the factory by tuber drainage or be guided in the sump.
(2) treatment trough of the discharge of wastewater to the first in the sump is carried out electrofiltration, electrofiltration refers to use the electrofiltration machine that waste water is processed at this first treatment trough.The electrofiltration machine is to utilize the porousness filtration medium; hold back the solid particulate in liquid and the solid particle mixture, and realize the equipment that solid, liquid separates, use filter that waste water is carried out preliminary removal of impurities and process; effectively remove the larger solid sundries in insoluble aperture, good impurity removing effect.
(3) will carry out biochemical treatment through discharge of wastewater to the second treatment trough of an electrofiltration, biochemical treatment is to utilize the vital movement process of microorganism that the organic pollutant in the waste water is removed effectively, and water is purified.Microorganism is placed in the second treatment trough, create the environment of a suitable microbial reproduction, growth, microorganism is bred in a large number, with speed and the efficient that improves its decomposing organic matter.And then in the second treatment trough, pump into waste water, and make organic substance in the waste water in the oxidized degraded of vital movement process of microorganism, purification of waste water is effective.Waste water uses the organic pollutant in the biochemical method degree of depth removal waste water again through removing solids in the first treatment trough in the second treatment trough, purification of waste water is effective, guarantees the waste water quality of recycling.
(4) will be delivered to through the waste water after the biochemical treatment in the water storage device storage for subsequent use, this water storage device comprises three buckets, be specially drum, middle bucket and keg, drum is communicated with middle bucket, middle bucket be communicated with keg and middle barrel and keg between be provided with under meter, simultaneously, middle bucket is communicated with the second treatment trough and is equiped with pump.Water storage device of the present invention adopts three grades of packing, central bucket can't continue the waste water after splendid attire the second treatment trough is processed again, then for subsequent use in the waste water input drum with middle bucket, middle bucket continues to receive the waste water after the second treatment trough is processed, and guarantees the normal operation of whole production system.In the present embodiment, to be made as volume be 24 tons bucket to this drum.It is 10 tons bucket that middle bucket is made as volume, and it is 1.5 tons bucket that keg is made as volume.10 tons middle bucket is used for receiving the waste water after the second treatment trough is processed, and 1.5 tons of kegs are that the water yield of holding is moderate, not only satisfy the Printing ink producing demand but also be unlikely to waste water resource, also avoid simultaneously hoarding of waste water, realize the Printing ink producing no effuent discharge.In order to ensure the accuracy of carrying the water yield, the present invention also is provided with under meter between keg and middle bucket, be used for measuring the water yield of carrying.
(5) water in the water storage device is carried out secondary physical again by filter bag and filter the removal solid sundries, part water after the processing is drawn irrigating plant with the impact of the waste water after observe processing for the plant-growth situation by water pipe, if vegetation growth state occurs unusual, then temporarily stop step (6), this moment, the waste water with water storage device was delivered to the processing that sump continues step (2), and check one by one each operation working order, then carry out maintenance process if find the trouble spot.
(6) waste water after processing through step 5 is used tilted plate inclination separating particles impurity, and the water that recovery obtains is delivered in the factory as the required wetting agent use of Printing ink producing.Be equiped with between the filter bag of the present embodiment and the tilted plate be used to the pump that power is provided, in order to the waste water smooth delivery of power to tilted plate.The method of tilted plate separating impurity be with waste water along tilted plate from flowing down, realization solid-liquid separation that solid impurity is deposited on that the surface is rented on the rough tilted plate and current are come up.
The present invention will prepare the waste water that produces in the printing ink process through after the treatment and purification repeatedly, water quality meets the required standard of printing ink wetting agent, waste water is used for returning the Printing ink producing process as the required wetting agent of Printing ink producing after treatment, make whole Printing ink producing almost realize no effuent discharge, environmental protection, saved water resources, reduce the Printing ink producing cost.
Should be noted that at last; above embodiment only is used for technical scheme of the present invention being described but not limiting the scope of the invention; although with reference to preferred embodiment the present invention has been done detailed description; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement technical scheme of the present invention, and not break away from essence and the scope of technical solution of the present invention.
Claims (9)
1. one kind prepares the treatment process that produces waste water in the printing ink process, it is characterized in that, includes following steps:
(1) collects the waste water of factory's discharging in sump;
(2) treatment trough of the discharge of wastewater to the first in the sump is carried out electrofiltration;
(3) will carry out biochemical treatment through discharge of wastewater to the second treatment trough of an electrofiltration;
(4) will be delivered to through the waste water after the biochemical treatment in the water storage device storage for subsequent use;
(5) water in the water storage device being disposed to the 3rd treatment unit filters again;
(6) waste water after will processing after filtration uses tilted plate inclination separating particles impurity, and the water that recovery obtains is delivered in the factory use as the required wetting agent of Printing ink producing.
2. a kind for the treatment of process that produces waste water for preparing in the printing ink process according to claim 1, it is characterized in that: the first treatment trough uses filter that waste water is carried out electrofiltration in the step (2).
3. a kind for the treatment of process that produces waste water for preparing in the printing ink process according to claim 1, it is characterized in that: the 3rd treatment unit is filter bag in the step (5).
4. a kind for the treatment of process that produces waste water in the printing ink process for preparing according to claim 3 is characterized in that: be equiped be used to the pump that power is provided between described filter bag and the described tilted plate.
5. a kind for the treatment of process that produces waste water for preparing in the printing ink process according to claim 1, it is characterized in that: described water storage device comprises three buckets, be specially drum, middle bucket and keg, described drum is communicated with described middle bucket, described middle bucket is communicated with described keg, and described middle bucket is communicated with described the second treatment trough.
6. a kind for the treatment of process that produces waste water in the printing ink process for preparing according to claim 5 is characterized in that: be provided with under meter between described middle bucket and the described keg.
7. a kind for the treatment of process that produces waste water for preparing in the printing ink process according to claim 5 is characterized in that: it is 24 tons bucket that described drum is made as volume; It is 10 tons bucket that described middle bucket is made as volume, and it is 1.5 tons bucket that described keg is made as volume.
8. a kind for the treatment of process that produces waste water in the printing ink process for preparing according to claim 5 is characterized in that: be equiped with pump between described middle bucket and described the second treatment trough.
9. a kind for the treatment of process that produces waste water for preparing in the printing ink process according to claim 1, it is characterized in that: the part water after step (5) is processed is drawn by water pipe and is carried out irrigating plant to observe waste water after processing for the impact of plant-growth situation, if observing vegetation growth state occurs when unusual, then temporarily stop step (6), the water of water storage device is delivered to continues step (2) in the described sump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105780142A CN103011522A (en) | 2012-12-27 | 2012-12-27 | Method for treating wastewater generated during printing ink preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105780142A CN103011522A (en) | 2012-12-27 | 2012-12-27 | Method for treating wastewater generated during printing ink preparation process |
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| Publication Number | Publication Date |
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| CN103011522A true CN103011522A (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012105780142A Pending CN103011522A (en) | 2012-12-27 | 2012-12-27 | Method for treating wastewater generated during printing ink preparation process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479448A (en) * | 2014-12-31 | 2015-04-01 | 茂名阪田油墨有限公司 | Method for producing black printing ink by recycling energy |
| CN105540687A (en) * | 2015-12-13 | 2016-05-04 | 重庆宏元油墨有限责任公司 | Aqueous ink printing waste water recovery system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202030603U (en) * | 2011-05-10 | 2011-11-09 | 重庆力德高端水处理设备研发有限公司 | Laboratory ultrapure water purifier |
| CN202046944U (en) * | 2011-02-23 | 2011-11-23 | 中国石油化工股份有限公司 | Coke cooling water circulation system |
| CN102381810A (en) * | 2011-09-21 | 2012-03-21 | 叶永祥 | Recycling process for printing and dyeing waste water |
-
2012
- 2012-12-27 CN CN2012105780142A patent/CN103011522A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202046944U (en) * | 2011-02-23 | 2011-11-23 | 中国石油化工股份有限公司 | Coke cooling water circulation system |
| CN202030603U (en) * | 2011-05-10 | 2011-11-09 | 重庆力德高端水处理设备研发有限公司 | Laboratory ultrapure water purifier |
| CN102381810A (en) * | 2011-09-21 | 2012-03-21 | 叶永祥 | Recycling process for printing and dyeing waste water |
Non-Patent Citations (1)
| Title |
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| 叶庆华等: "《植物生物学》", 31 December 2002, article "植物在防治环境污染中的应用", pages: 260 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479448A (en) * | 2014-12-31 | 2015-04-01 | 茂名阪田油墨有限公司 | Method for producing black printing ink by recycling energy |
| CN104479448B (en) * | 2014-12-31 | 2016-06-22 | 茂名阪田油墨有限公司 | A kind of recycling energy produces the method for black ink |
| CN105540687A (en) * | 2015-12-13 | 2016-05-04 | 重庆宏元油墨有限责任公司 | Aqueous ink printing waste water recovery system |
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Application publication date: 20130403 |