CN101928056A - Device and method for treating printing ink wastewater - Google Patents
Device and method for treating printing ink wastewater Download PDFInfo
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- CN101928056A CN101928056A CN 201010222949 CN201010222949A CN101928056A CN 101928056 A CN101928056 A CN 101928056A CN 201010222949 CN201010222949 CN 201010222949 CN 201010222949 A CN201010222949 A CN 201010222949A CN 101928056 A CN101928056 A CN 101928056A
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Abstract
The invention relates to a device and a method for treating printing ink wastewater. The device for treating the printing ink wastewater comprises a deinked mixed office waste paper pulp printing ink tank and a deinked waste paper pulp printing ink tank which are communicated with a total printing ink tank with a built-in stirrer through pipelines respectively, and also comprises a first plate-and-frame filter press and a second plate-and-frame filter press which are communicated with the total printing ink tank through pipelines respectively, wherein the first plate-and-frame filter press and the second plate-and-frame filter press are communicated with a water tank through pipelines respectively; and the water tank is communicated with a deinked pulp pulping workshop through a pipeline. The treatment method comprises the following steps of: adding deinked mixed office waste paper pulp, deinked water paper pulp and a flocculating agent into the total printing ink tank and stirring and mixing; and feeding the mixed pulp into the first plate-and-frame filter press and the second plate-and-frame filter press for solid-liquid separation. Printing ink slag treated by the device and the method can be used as a combustion fuel of a power plant boiler, so coal consumption is effectively reduced and cost is saved; and generated water can be recycled to the deinked pulp pulping workshop, so water consumption is reduced.
Description
Technical field
The present invention relates to a kind of treatment unit and treatment process of printing ink wastewater, specifically the apparatus and method of handling at the discarded printing ink wastewater that produces in the deinking slurry pulping process.
Background technology
At present, in the production process of deinking slurry slurrying, produce through having the part printing ink wastewater after the flotation operation, these printing ink wastewater are collected in the ink tank, unify to be sent to the waste water treatment plant then and handle.Though this kind processing mode can solve the printing ink wastewater pollution problems, because these printing ink wastewater contain more bubble, be difficult to it is carried out processed, increase the difficulty of sewage disposal, and then increased expense.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of easy to operate, effectively separates ink slag and water in the printing ink wastewater, and can be with treatment unit and the treatment process of ink slag as the printing ink wastewater of the combustion fuel of boiler of power plant.
In order to solve the problems of the technologies described above, the present invention takes following technical scheme:
A kind of treatment unit of printing ink wastewater, comprise total ink tank that deinking Mixed Office WasteMOW paste printing ink groove, deinked pulp ink tank are established agitator in reaching, described deinking Mixed Office WasteMOW paste printing ink groove is communicated with total ink tank by pipeline respectively with the bottom of deinked pulp ink tank, also comprise a plate-and-frame filter press, No. two plate-and-frame filter press of being communicated with total ink tank by pipeline respectively, a plate-and-frame filter press and No. two plate-and-frame filter press are communicated with the pond by pipeline respectively, and this pond is communicated with deinking slurry slip house by pipeline.
As the improvement to such scheme, described deinking Mixed Office WasteMOW paste printing ink groove is communicated with valve, flow director, No. two valves and total ink tank successively by pipeline; The deinked pulp ink tank is communicated with No. three valves, No. two flow directors, No. four valves and total ink tank successively by pipeline.
Described total ink tank is communicated with No. five valves, No. three flow directors, No. six valves and a plate-and-frame filter press successively by pipeline; Total ink tank is communicated with No. seven valves, No. four flow directors, No. eight valves and No. two plate-and-frame filter press successively by pipeline; Be equiped with valve No. nine on plate-and-frame filter press and No. two plate-and-frame filter press and the pipeline that the pond is communicated with.
As further improvement of these options, on the pipeline between a described valve and flow director also attaching have with No. ten valves and extend to the pipeline of trench; On the pipeline between No. three valves and No. two flow directors also attaching band ride on Bus No. 11 valve is arranged and extends to the pipeline of trench.
The top of described deinking Mixed Office WasteMOW paste printing ink groove, deinked pulp ink tank and total ink tank is respectively arranged with the upflow tube that extends to trench.
Be provided with liquid level display on the sidewall of described deinking Mixed Office WasteMOW paste printing ink groove, deinked pulp ink tank and total ink tank.
The present invention has also disclosed a kind of treatment process that is used for described printing ink wastewater treatment unit, may further comprise the steps:
(1) deinking Mixed Office WasteMOW slurry flows in total ink tank through deinking mixed waste pulp ink tank, and the deinked waste paper slurry flows in total ink tank through the deinked pulp ink tank, and adds flocculation agent in total ink tank;
(2) stir by agitator;
(3) mixed slurry after will stirring is delivered to respectively and is carried out solid-liquid separation in plate-and-frame filter press and No. two plate-and-frame filter press and handle;
(4) ink slag after discharge separates, and the water after will separating drains in the pond.
The addition of described flocculation agent is 10～15ppm by the volume metering of mixed slurry.
Described flocculation agent is cationic polyacrylamide and/or polymerize aluminum chloride.
Behind the printing ink wastewater process treatment unit of the present invention and disposal methods that produces in the deinking slurry pulping process, effectively printing ink wastewater is separated into ink slag and water, wherein, the water content of ink slag is lower than 40% by weight percentage, can be with the combustion fuel of this ink slag as boiler of power plant, effectively reduce coal consumption, saved production cost, the water that obtains enters in the pond, deliver in the deinking slurry slip house through the pond again and recycle, greatly reduce the consumption of clear water, saved water resources, saved expense.In addition, effectively reduce the amount of printing ink wastewater being delivered to sewage work, reduced the load and the processing costs of sewage work.In addition, be provided with valve and flow director in the treatment unit that the present invention discloses, also can observe situation in the ink tank at any time, be convenient to operator's operation and control by liquid level display.
Description of drawings
Accompanying drawing 1 is pipeline catenation principle figure of the present invention.
Embodiment
For the ease of those skilled in the art's understanding, the present invention is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of treatment unit of printing ink wastewater, comprise the bottom respectively by pipeline with in be provided with deinking Mixed Office WasteMOW slurry DMOW ink tank and the deinked pulp DIP ink tank that total ink tank of agitator is connected, also comprise a plate-and-frame filter press, No. two plate-and-frame filter press of being communicated with total ink tank by pipeline respectively, a plate-and-frame filter press and No. two plate-and-frame filter press are communicated with the pond by pipeline respectively, and this pond is communicated with deinking slurry slip house by pipeline.Wherein, DMOW is the abbreviation of deinked mix office wastepaper, and DIP is the abbreviation of deinked wastepaper pulp.
For better control, deinking Mixed Office WasteMOW paste printing ink groove is communicated with valve 101, flow director 201, No. two valves 102 and total ink tank successively by pipeline; The deinked pulp ink tank is communicated with No. three valves 103, No. two flow directors 202, No. four valves 104 and total ink tank successively by pipeline, and total ink tank is passed through pipeline and is communicated with No. five valves 105, No. three flow directors 203, No. six valves 106 and a plate-and-frame filter press successively; Total ink tank is communicated with No. seven valves 107, No. four flow directors 204, No. eight valves 108 and No. two plate-and-frame filter press successively by pipeline; Be equiped with valve 109 No. nine on plate-and-frame filter press and No. two plate-and-frame filter press and the pipeline that the pond is communicated with.By valve and flow director, effectively control the flow of printing ink wastewater, guarantee best effect.
In addition, in order to prevent the problem of printing ink wastewater amount in deinking Mixed Office WasteMOW ink tank, the deinked waste paper ink tank because of too much can't in time discharging, on the pipeline of 201 of valve 101 and flow directors and also attaching have with No. ten valves 110 and extend to the pipeline 3 of trench; On the pipeline that No. three valves 103 and No. two flow directors are 202 also attaching band ride on Bus No. 11 valve 111 is arranged and extends to the pipeline 4 of trench, also further the upflow tube 501 that extends to trench is set on the top of deinking Mixed Office WasteMOW paste printing ink groove, top in the deinked pulp ink tank is provided with the upflow tube 502 that extends to trench, top in total ink tank is provided with the upflow tube 503 that extends to trench, the phenomenon of effectively avoiding the printing ink wastewater in the ink tank too much to have little time to discharge.For the ease of observing the situation in the ink tank, the sidewall of deinking Mixed Office WasteMOW paste printing ink groove, deinked pulp ink tank and total ink tank is provided with liquid level display 6.
The present invention has also disclosed a kind of treatment process that is used for the treatment unit of described printing ink wastewater, may further comprise the steps:
(1) deinking Mixed Office WasteMOW slurry flows in total ink tank through deinking mixed waste pulp ink tank, and the deinked waste paper slurry flows in total ink tank through the deinked pulp ink tank, and adds flocculation agent in total ink tank; (2) stir by agitator; (3) mixed slurry after will stirring is delivered to respectively and is carried out solid-liquid separation in plate-and-frame filter press and No. two plate-and-frame filter press and handle; (4) ink slag after discharge separates, and the water after will separating drains in the pond.Wherein, the addition of flocculation agent is 10～15ppm by the volume metering of mixed slurry, and flocculation agent is cationic polyacrylamide and/or polymerize aluminum chloride.Below by specific embodiment the treatment process that the present invention discloses is described further.
Embodiment one, adds flocculation agent in total ink tank, and the addition of this flocculation agent is 10ppm by the volume metering of mixed slurry, and flocculation agent is cationic polyacrylamide.
Embodiment two, add flocculation agent in total ink tank, and the addition of this flocculation agent is 12ppm by the volume metering of mixed slurry, and flocculation agent is a polymerize aluminum chloride.
Embodiment three, add flocculation agent in total ink tank, and the addition of this flocculation agent is 15ppm by the volume metering of mixed slurry, and flocculation agent is cationic polyacrylamide and polymerize aluminum chloride.
In addition, when maintaining deinking Mixed Office WasteMOW slurry and deinked waste paper slurry in total ink tank, what agitator did not then stop stirs, and when not having slurry in total ink tank, agitator stops to stir.
Disclosed technical scheme is effectively carried out solid-liquid separation with printing ink wastewater, the water content of the ink slag that obtains is lower than 40% by weight percentage, can be used as the combustion fuel of boiler of power plant, and the water of separating enters in the pond, is sent in the deinking slurry slip house from the pond to recycle again.
Because deinking Mixed Office WasteMOW paste printing ink groove, deinked pulp ink tank are provided with the pipeline of upflow tube and plasma discharge material, total ink tank is provided with upflow tube.Therefore, when plate-and-frame filter press and No. two plate-and-frame filter press because of break down or keep in repair, when maintenance is out of service, the deinking Mixed Office WasteMOW slurry in the deinking Mixed Office WasteMOW paste printing ink groove is through with the pipeline 3 of No. ten valves 110 and/or be loaded on the upflow tube 501 that is provided with on this deinking Mixed Office WasteMOW paste printing ink groove and be expelled to trench; Deinked waste paper slurry in the deinked pulp ink tank is expelled to trench through being with ride on Bus No. 11 valve 111 and/or being loaded on the upflow tube 502 that is provided with on this deinked pulp ink tank; The upflow tube 503 of mixed slurry through being loaded on this total ink tank in total ink tank is expelled to trench, again the printing ink wastewater in the trench is sent to sewage work, has effectively avoided a plate-and-frame filter press and No. two plate-and-frame filter press can not carry out the problem that printing ink wastewater is handled because of quitting work.
When plate-and-frame filter press and No. two normal operations of plate-and-frame filter press and operation conditions were good, all printing ink wastewater flowed into total ink tank and handle through a plate-and-frame filter press and No. two plate-and-frame filter press, handle according to the treatment process that the present invention discloses.
Processing power decline when a plate-and-frame filter press and/or No. two plate-and-frame filter press, or a plate-and-frame filter press is out of service, No. two normal operations of plate-and-frame filter press or No. two plate-and-frame filter press are out of service, when No. one plate-and-frame filter press normally moves, part deinking Mixed Office WasteMOW slurry in the deinking Mixed Office WasteMOW paste printing ink groove through with this deinking Mixed Office WasteMOW paste printing ink groove coconnected with No. ten valves 110 pipeline 3 and/or this deinking Mixed Office WasteMOW paste printing ink groove on the upflow tube 501 that is provided be expelled to trench, and/or the upflow tube 502 that is provided with on the pipeline 4 of the band ride on Bus No. 11 valve 111 of the part deinked waste paper slurry in the deinked pulp ink tank through being communicated with this deinked pulp ink tank and/or this deinked pulp ink tank is expelled to trench, and/or the upflow tube 503 that the partially mixed slurry in total ink tank is provided with on this total ink tank is expelled to trench, the printing ink wastewater that is expelled to trench is sent to the waste water treatment plant handles, guarantee the timely processing of printing ink wastewater.
When a plate-and-frame filter press and No. two plate-and-frame filter press are all out of service, close No. two valves 102 and No. four valves 104 and can prevent that deinking Mixed Office WasteMOW slurry and deinked pulp materials flow from advancing in total ink tank, deinking Mixed Office WasteMOW slurry in the deinking Mixed Office WasteMOW paste printing ink groove through be provided with on this deinking Mixed Office WasteMOW paste printing ink groove with the pipeline 3 of No. ten valves 110 and/or this deinking Mixed Office WasteMOW paste printing ink groove on the upflow tube 501 that is provided be expelled to trench, be expelled to trench with the upflow tube 502 that is provided with on the pipeline 4 of the band ride on Bus No. 11 valve 111 of deinked waste paper slurry in the deinked pulp ink tank and/or this deinked pulp ink tank through being provided with on this deinked pulp ink tank, the printing ink wastewater that is expelled to trench is sent to the waste water treatment plant handles, guarantee the timely processing of printing ink wastewater.
Need to prove that the plate-and-frame filter press that adopts among the present invention all can directly be bought from market and obtain, its principle of work and structure are general knowledge known in those skilled in the art, do not remake detailed giving unnecessary details at this.In addition, just the present invention is made the variation that some are equal to, the quantity as simple increase or minimizing valve or flow director all belongs within protection scope of the present invention.
Claims (9)
1. the treatment unit of a printing ink wastewater, comprise total ink tank that deinking Mixed Office WasteMOW paste printing ink groove, deinked pulp ink tank are established agitator in reaching, it is characterized in that: described deinking Mixed Office WasteMOW paste printing ink groove is communicated with total ink tank by pipeline respectively with the bottom of deinked pulp ink tank, also comprise a plate-and-frame filter press, No. two plate-and-frame filter press of being communicated with total ink tank by pipeline respectively, a plate-and-frame filter press and No. two plate-and-frame filter press are communicated with the pond by pipeline respectively, and this pond is communicated with deinking slurry slip house by pipeline.
2. the treatment unit of printing ink wastewater according to claim 1 is characterized in that: described deinking Mixed Office WasteMOW paste printing ink groove is communicated with a valve (101), a flow director (201), No. two valves (102) and total ink tank successively by pipeline; The deinked pulp ink tank is communicated with No. three valves (103), No. two flow directors (202), No. four valves (104) and total ink tank successively by pipeline.
3. the treatment unit of printing ink wastewater according to claim 2 is characterized in that: described total ink tank is communicated with No. five valves (105), No. three flow directors (203), No. six valves (106) and a plate-and-frame filter press successively by pipeline; Total ink tank is communicated with No. seven valves (107), No. four flow directors (204), No. eight valves (108) and No. two plate-and-frame filter press successively by pipeline; Be equiped with No. nine valves (109) on plate-and-frame filter press and No. two plate-and-frame filter press and the pipeline that the pond is communicated with.
4. the treatment unit of printing ink wastewater according to claim 2 is characterized in that: on the pipeline between a described valve and flow director also attaching have with No. ten valves (110) and extend to the pipeline (3) of trench; On the pipeline between No. three valves and No. two flow directors also attaching band ride on Bus No. 11 (111) valve is arranged and extends to the pipeline (4) of trench.
5. according to the treatment unit of claim 1 or 2 or 3 described printing ink wastewater, it is characterized in that: described deinking Mixed Office WasteMOW paste printing ink groove top is provided with the upflow tube (501) that extends to trench, deinked pulp ink tank top is provided with the upflow tube (502) that extends to trench, and the top of total ink tank is provided with the upflow tube (503) that extends to trench.
6. according to the treatment unit of claim 1 or 2 or 3 described printing ink wastewater, it is characterized in that: be provided with liquid level display (6) on the sidewall of described deinking Mixed Office WasteMOW paste printing ink groove, deinked pulp ink tank and total ink tank.
7. treatment process that is used for the treatment unit of the described printing ink wastewater of claim 1 may further comprise the steps:
(1) deinking Mixed Office WasteMOW slurry and the deinked pulp materials flow in the deinked pulp ink tank in the deinking Mixed Office WasteMOW paste printing ink groove are gone in total ink tank, and in total ink tank, add flocculation agent, make deinking Mixed Office WasteMOW slurry, deinked waste paper slurry and flocculation agent be mixed into mixed slurry;
(2) stir by agitator;
(3) mixed slurry after will stirring is delivered to respectively and is carried out solid-liquid separation in plate-and-frame filter press and No. two plate-and-frame filter press and handle;
(4) ink slag after discharge separates, and the water after will separating drains in the pond.
8. treatment process according to claim 7 is characterized in that: the addition of described flocculation agent is 10～15ppm by the volume metering of mixed slurry.
9. according to claim 7 or 8 described treatment processs, it is characterized in that: described flocculation agent is cationic polyacrylamide and/or polymerize aluminum chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010222949 CN101928056A (en) | 2010-07-08 | 2010-07-08 | Device and method for treating printing ink wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010222949 CN101928056A (en) | 2010-07-08 | 2010-07-08 | Device and method for treating printing ink wastewater |
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| CN101928056A true CN101928056A (en) | 2010-12-29 |
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| CN 201010222949 Pending CN101928056A (en) | 2010-07-08 | 2010-07-08 | Device and method for treating printing ink wastewater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174219A (en) * | 2014-08-29 | 2014-12-03 | 玖龙纸业（太仓）有限公司 | Treatment device of ink on waste paper |
| CN104909487A (en) * | 2014-03-10 | 2015-09-16 | 青岛大学 | High-concentration printing ink waste liquid treatment and sludge dewatering integration method and high-concentration printing ink waste liquid treatment and sludge dewatering integration apparatus |
| CN104909485A (en) * | 2014-03-10 | 2015-09-16 | 青岛大学 | Printing ink waste liquid treatment and sludge dewatering method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2698772Y (en) * | 2003-06-15 | 2005-05-11 | 李风宁 | Waste water treatment equipment for waste paper deinking and pulping |
| CN1834041A (en) * | 2006-03-30 | 2006-09-20 | 南京科环环境***工程有限公司 | Aqueous ink wastewater treatment technique |
| CN201777896U (en) * | 2010-07-08 | 2011-03-30 | 东莞海龙纸业有限公司 | Printing ink wastewater treatment device |
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2010
- 2010-07-08 CN CN 201010222949 patent/CN101928056A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2698772Y (en) * | 2003-06-15 | 2005-05-11 | 李风宁 | Waste water treatment equipment for waste paper deinking and pulping |
| CN1834041A (en) * | 2006-03-30 | 2006-09-20 | 南京科环环境***工程有限公司 | Aqueous ink wastewater treatment technique |
| CN201777896U (en) * | 2010-07-08 | 2011-03-30 | 东莞海龙纸业有限公司 | Printing ink wastewater treatment device |
Non-Patent Citations (1)
| Title |
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| 《天津造纸》 20071231 马凤求等 废纸脱墨及其废水处理 30-34 1-9 , 第1期 2 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104909487A (en) * | 2014-03-10 | 2015-09-16 | 青岛大学 | High-concentration printing ink waste liquid treatment and sludge dewatering integration method and high-concentration printing ink waste liquid treatment and sludge dewatering integration apparatus |
| CN104909485A (en) * | 2014-03-10 | 2015-09-16 | 青岛大学 | Printing ink waste liquid treatment and sludge dewatering method |
| CN104174219A (en) * | 2014-08-29 | 2014-12-03 | 玖龙纸业（太仓）有限公司 | Treatment device of ink on waste paper |
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Application publication date: 20101229 |