CN101805077B - Treating method of paper-making water recycling use in the production process of reconstituted tobacco - Google Patents
Treating method of paper-making water recycling use in the production process of reconstituted tobacco Download PDFInfo
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Abstract
The invention relates to a treating method of paper-making water recycling use in the production process of reconstituted tobacco, aiming at solving the problems that the massive discharge of treated water in the prior art causes pollution to the environment as well as low utilization ratio of water for production and large new-water consumption. The technical key points are characterized by carrying out fiber recovery on the paper-making water, then carrying out sedimentation, leading supernatant overflowing liquid after sedimentation into an ultrafiltration membrane separating system for separation, obtaining dislysate and concentrate, leading the dislysate into a reverse osmosis membrane system for separation again, obtaining purified water and concentrated water; the purified water is reused for water in the production process after treatment of removing off-odor, the recovered fiber is reused into the production process, the sediment is used as solid waste, the concentrate and the concentrated water are treated properly, the ultrafiltration membrane separating system adopts an ultrafiltration membrane with the bore diameter of 10-200nm, the pressure is 0.1-0.5MPa, the temperature of the feed liquid is 10-70 DEG C, the speed of the membrane surface is 2-8m/s, the pressure of the reverse osmosis membrane system is 1.0-10MPa, the temperature of the feed liquid is 20-45 DEG C, and the speed of the membrane surface is 2-7m/s.
Description
Technical field
The invention belongs to the processing method of cigarette making processes, particularly paper process production reconstituted tobacco process is handled so that the method that recycles the water of manufacturing paper with pulp.
Background technology
Present production of cigarettes has been different from traditional production method, one of its characteristics are the pipe tobaccos that adds a certain amount of reconstituted tobacco in pipe tobacco, with service performance, the processing characteristics of improving cigarette and cut the waste and reduce pollution, add-on generally can reach 20～30%.Reconstituted tobacco is also referred to as tobacco sheet, recombination tobacco leaf or homogeneous tobacco leaf etc., and papermaking-method reconstituted tobaccos is exactly to adopt papermaking process to make the reconstituted tobacco that obtains.The making method of papermaking-method reconstituted tobaccos is to be main raw material with tobacco materials such as offal, offal, tobacco leaf fragment, inferior tobaccos, pulverize defibrination and become tobacco slurry, with the chemical industry extraction and separation technology soluble chemical composition of tobacco slurry is separated adjustment, adopt the slag charge after system oar paper technology will be extracted to manufacture paper with pulp into substrate then, will separate the extraction component reduction of adjusting (as coating) then and to substrate, be processed to form the reconstituted tobacco product.
In the papermaking-method reconstituted tobaccos production process, there is the water of manufacturing paper with pulp in a large number (mthod of white water from paper making) to discharge by the wet end of paper machine, contain materials such as a certain amount of fiber fines, filler, tobacco extract in this part water.If this portion water is directly entered sewage works, not only increase the load of sewage works, the more important thing is the discharging large amount of sewage, cause the waste of water resources.Along with China to the fulfiling of international " Framework Convention on Tobacco Control ", tobacco industry is had higher requirement to the sewage disposal of papermaking-method reconstituted tobaccos production process.Water can be back in the papermaking-method reconstituted tobaccos production process if manufacture paper with pulp, and then can reclaim fiber fines material wherein, reduces the consumption of new water, the economical environment-protective cost, but also can alleviate the environmental pollution that causes because of discharge of wastewater.But contain the existence of a certain amount of tobacco extract in the water owing to manufacture paper with pulp, there are a lot of problems in direct reuse, particularly in that to recycle number of times more, envrionment temperature is than higher season, the water capacity of manufacturing paper with pulp is perishable smelly, have influence on the reconstituted tobacco product quality after the reuse, make quality product, or outward appearance is all stable inadequately no matter from endoplasm.
Chinese patent discloses a kind of wastewater from manufacture of tobacco slice by papermaking process treatment process No. 200410022326.0, the steps include: that waste water is after coarse filtration, enter the preliminary sedimentation tank precipitate and separate, the upper strata waste water of preliminary sedimentation tank is pumped into air flotation pool, and in the air flotation pool inlet channel with the coagulating agent thorough mixing, wherein most suspended solids will form floatation of foam in the air flotation pool liquid level with empty G﹠W, remove the suspended solid of liquid level by slag scraper in the mode of air supporting method, clear liquid enters equalizing tank then, cellulosic contained in the waste water is removed, send into the aeration tank then and handle, remove organic substance in most of water, can emit then by aerobic microbiological.The defective of this technological method is: added chemical substances such as coagulating agent in waste water, water after the processing has the residual of these chemical substances, so the water after handling can not be back to use in the papermaking-method reconstituted tobaccos production process, water after this processing of a large amount of dischargings still can cause certain pollution to environment, some place simply is exactly the discharging of forbidding this water, also cause the utilization ratio of production process water low on the other hand, the consumption of water is big.
Summary of the invention
For the water of manufacturing paper with pulp that overcomes existing similar technology existence can not be back to use in the papermaking-method reconstituted tobaccos production process, water after this processing of a large amount of dischargings can cause certain pollution to environment, cause the utilization ratio of production process water low simultaneously, the defective that the consumption of water is big, the objective of the invention is to disclose the treatment process that water cycle uses of manufacturing paper with pulp in a kind of improved reconstituted tobacco production process, can overcome the defective of prior art.
The technical solution adopted for the present invention to solve the technical problems is: the treatment process that the water cycle of manufacturing paper with pulp in a kind of reconstituted tobacco production process is used is characterized in that method steps is:
1., the water of manufacturing paper with pulp that the process of manufacturing paper with pulp in the reconstituted tobacco production is produced carries out recycled fiber earlier, imports settling tank or settling vessel then and carries out precipitation process, leads the supernatant overflowing liquid of getting after the precipitation process;
2., the supernatant overflowing liquid being imported the ultra-filtration membrane separation system separates, it is the ultra-filtration membrane of 10～200nm that the membrane element of ultra-filtration membrane separation system adopts the separation aperture, the working pressure of ultra-filtration membrane separation system is grasped at 0.1～0.5 MPa, feed temperature is grasped at 10～70 ℃, face speed is grasped at 2～8 m/s, obtains dialyzate and the dense water that contains solid insoluble, colloid, organic macromolecule material;
3., dialyzate imported reverse osmosis membrane system further separate, the working pressure of reverse osmosis membrane system is grasped at 1.0～10 MPa, feed temperature is grasped at 20～45 ℃, face speed is grasped at 2～7 m/s; Be purified water and condensed water;
4., will purify waste water eliminate the unusual smell handle after, reuse is a papermaking-method reconstituted tobaccos production process water;
5., the fiber of Hui Shouing is back to use in the papermaking-method reconstituted tobaccos production process, the throw out of precipitation process is disposed as solid refuse, and the condensed water that dense water that contains solid insoluble, colloid, organic macromolecule material that the ultra-filtration membrane separation system produces and reverse osmosis membrane system produce is dealt carefully with.
The recycled fiber of technique scheme can adopt filter method.
The condensed water that dense water that contains solid insoluble, colloid, organic macromolecule material that the ultra-filtration membrane separation system of technique scheme produces and reverse osmosis membrane system produce is dealt carefully with, and can adopt biochemical treatment, mix processing mode such as coal burning.
The processing that eliminates the unusual smell of technique scheme can adopt active-carbon bed, UV-device or ozone equipment etc. to remove peculiar smell.
Purifying waste water of technique scheme, the considerably less quite purified water of ionic impurity content that obtains by reverse osmosis membrane system exactly.
Beneficial effect of the present invention: the one, the water zero discharge or measure few innocuousness discharging of can accomplishing to manufacture paper with pulp has improved the degree of protection at environment and water source, also make simultaneously papermaking-method reconstituted tobaccos production become a kind of can generally accepted green production; The 2nd, by the processing of the inventive method, the water reuse amount of manufacturing paper with pulp reaches 70～90%, the utilization ratio height of production process water, and new water consumption reduces greatly; The 2nd, the dense water that need deal carefully with and the amount of condensed water are fewer, make it to become harmless emission water after the higher biochemical treatment of cost and solid refuse also can be born by producing even adopt, and quantity discharged is much less also, can digest for naturally; The 4th, ultra-filtration membrane separation and reverse osmosis membrane separation belong to the isolation technique of no phase transformation, not only its energy consumption is low, separating effect is good especially, the electric energy when only consuming the pumping feed liquid, and also operational management is simple, m of e is convenient, automated operation easily, it is few to drop into manpower, the operating environment health, the result favorable reproducibility, quality of reused water is stable.
Below in conjunction with embodiment the present invention is done to describe more specifically.
Embodiment
Embodiment one:The treatment process that the water cycle of manufacturing paper with pulp in this reconstituted tobacco production process is used is characterized in that method steps is:
1., the water of manufacturing paper with pulp that the process of manufacturing paper with pulp in the reconstituted tobacco production is produced carries out the filtered and recycled fiber earlier, imports settling tank or settling vessel then and carries out precipitation process, gets the supernatant overflowing liquid 54.0Kg after the precipitation process;
2., the supernatant overflowing liquid being imported the ultra-filtration membrane separation system separates, it is the ultra-filtration membrane of 10～200nm that the membrane element of ultra-filtration membrane separation system adopts the separation aperture, the working pressure of ultra-filtration membrane separation system is grasped at 0.3MPa, feed temperature is grasped at 23～35 ℃, face speed is grasped at 5 m/s, obtains dialyzate 51.2Kg and the dense water 2.8Kg that contains solid insoluble, colloid, organic macromolecule material;
3., dialyzate imported reverse osmosis membrane system further separate, the working pressure of reverse osmosis membrane system is grasped at 1.4MPa～2.2 MPa, feed temperature is grasped at 30～36 ℃, face speed is grasped at 4 m/s; Be purified water 46.2Kg and condensed water 5Kg;
4., will purify waste water by active-carbon bed eliminate the unusual smell handle after, reuse is a papermaking-method reconstituted tobaccos production process water, the water total yield of manufacturing paper with pulp is: 85.5%;
5., the fiber of Hui Shouing is back to use in the papermaking-method reconstituted tobaccos production process, the throw out of precipitation process is disposed as solid refuse, and the condensed water that dense water that contains solid insoluble, colloid, organic macromolecule material that the ultra-filtration membrane separation system produces and reverse osmosis membrane system produce is used to mix coal and burns.
Embodiment two:The treatment process that the water cycle of manufacturing paper with pulp in this reconstituted tobacco production process is used is characterized in that method steps is:
1., the water of manufacturing paper with pulp that the process of manufacturing paper with pulp in the reconstituted tobacco production is produced carries out the filtered and recycled fiber earlier, imports settling tank or settling vessel then and carries out precipitation process, gets the supernatant overflowing liquid 600Kg after the precipitation process;
2., the supernatant overflowing liquid being imported the ultra-filtration membrane separation system separates, it is the ultra-filtration membrane of 10～200nm that the membrane element of ultra-filtration membrane separation system adopts the separation aperture, the working pressure of ultra-filtration membrane separation system is grasped at 0.3MPa, feed temperature is grasped at 23～58 ℃, face speed is grasped at 4 m/s, obtains dialyzate 554.7Kg and the dense water 45.3Kg that contains solid insoluble, colloid, organic macromolecule material;
3., dialyzate imported reverse osmosis membrane system further separate, the working pressure of reverse osmosis membrane system is grasped at 1.2MPa～3.0 MPa, feed temperature is grasped at 32～38 ℃, face speed is grasped at 4 m/s; Be purified water 475.9Kg and condensed water 78.8Kg;
4., will purify waste water by internal diameter 10cm filling have an appointment the activated carbon adsorption bed of 3Kg gac eliminate the unusual smell handle after, reuse is a papermaking-method reconstituted tobaccos production process water, the water total yield of manufacturing paper with pulp is: 79.4%;
5., the fiber of Hui Shouing is back to use in the papermaking-method reconstituted tobaccos production process, the throw out of precipitation process is disposed as solid refuse, and the condensed water that dense water that contains solid insoluble, colloid, organic macromolecule material that the ultra-filtration membrane separation system produces and reverse osmosis membrane system produce is used to mix coal and burns.
Embodiment three:The treatment process that the water cycle of manufacturing paper with pulp in this reconstituted tobacco production process is used is characterized in that method steps is:
1., the water of manufacturing paper with pulp that the process of manufacturing paper with pulp in the reconstituted tobacco production is produced carries out the filtered and recycled fiber earlier, imports settling tank or settling vessel then and carries out precipitation process, gets the supernatant overflowing liquid 900Kg after the precipitation process;
2., the supernatant overflowing liquid being imported the ultra-filtration membrane separation system separates, it is the ultra-filtration membrane of 10～200nm that the membrane element of ultra-filtration membrane separation system adopts the separation aperture, the working pressure of ultra-filtration membrane separation system is grasped at 0.3MPa, feed temperature is grasped at 28～60 ℃, face speed is grasped at 5 m/s, obtains dialyzate 844Kg and the dense water 56Kg that contains solid insoluble, colloid, organic macromolecule material;
3., dialyzate imported reverse osmosis membrane system further separate, the working pressure of reverse osmosis membrane system is grasped at 1.6MPa～3.3 MPa, feed temperature is grasped at 30～40 ℃, face speed is grasped at 6 m/s; Be purified water 671.0Kg and condensed water 173.0Kg;
4., will purify waste water by in the recycle system that has ozonizer, after the circulation through after a while eliminated the unusual smell and handles, reuse was a papermaking-method reconstituted tobaccos production process water, the water total yield of manufacturing paper with pulp is: 74.6%;
5., the fiber of Hui Shouing is back to use in the papermaking-method reconstituted tobaccos production process, the throw out of precipitation process is disposed as solid refuse, and the condensed water that dense water that contains solid insoluble, colloid, organic macromolecule material that the ultra-filtration membrane separation system produces and reverse osmosis membrane system produce is used to mix coal and burns.
Below be that water sample with three embodiment carries out water quality analysis, and the table that detected result is gathered:
In the table: COD is a chemical oxygen demand (COD); BOD is a biochemical oxygen demand (BOD); SS is a solid suspension.
Claims (5)
1. the treatment process that the water cycle of manufacturing paper with pulp in the reconstituted tobacco production process is used is characterized in that method steps is:
1., the water of manufacturing paper with pulp that the process of manufacturing paper with pulp in the reconstituted tobacco production is produced carries out recycled fiber earlier, imports settling tank or settling vessel then and carries out precipitation process, leads the supernatant overflowing liquid of getting after the precipitation process;
2., the supernatant overflowing liquid being imported the ultra-filtration membrane separation system separates, it is the ultra-filtration membrane of 10～200nm that the membrane element of ultra-filtration membrane separation system adopts the separation aperture, the working pressure of ultra-filtration membrane separation system is grasped at 0.1～0.5 MPa, feed temperature is grasped at 10～70 ℃, face speed is grasped at 2～8 m/s, obtains dialyzate and the dense water that contains solid insoluble, colloid, organic macromolecule material;
3., dialyzate imported reverse osmosis membrane system further separate, the working pressure of reverse osmosis membrane system is grasped at 1.0～10 MPa, feed temperature is grasped at 20～45 ℃, face speed is grasped at 2～7 m/s; Be purified water and condensed water;
4., will purify waste water eliminate the unusual smell handle after, reuse is a papermaking-method reconstituted tobaccos production process water;
5., the fiber of Hui Shouing is back to use in the papermaking-method reconstituted tobaccos production process, the throw out of precipitation process is disposed as solid refuse, and the condensed water that dense water that contains solid insoluble, colloid, organic macromolecule material that the ultra-filtration membrane separation system produces and reverse osmosis membrane system produce is dealt carefully with.
2. the treatment process of using by the water cycle of manufacturing paper with pulp in the described reconstituted tobacco production process of claim 1, it is characterized in that the condensed water that dense water that contains solid insoluble, colloid, organic macromolecule material that described ultra-filtration membrane separation system produces and reverse osmosis membrane system produce deals carefully with, is to adopt biochemical treatment or mix the processing mode that coal burns.
3. the treatment process of using by the water cycle of manufacturing paper with pulp in claim 1 or the 2 described reconstituted tobacco production processes is characterized in that described recycled fiber adopts filter method.
4. the treatment process of using by the water cycle of manufacturing paper with pulp in claim 1 or the 2 described reconstituted tobacco production processes is characterized in that the described processing that eliminates the unusual smell, and adopts active-carbon bed, UV-device or ozone equipment to remove peculiar smell.
5. the treatment process of using by the water cycle of manufacturing paper with pulp in the described reconstituted tobacco production process of claim 4, it is characterized in that the active-carbon bed peculiar smell of removing of described employing, is to purify waste water by the internal diameter 10cm filling activated carbon adsorption bed of the 3Kg gac processing that eliminates the unusual smell of having an appointment.
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Families Citing this family (9)
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| CN102531285B (en) * | 2011-12-30 | 2013-07-17 | 福建金闽再造烟叶发展有限公司 | Process for treating high-concentration organic wastewater of paper-making reconstituted tobacco |
| CN102599638A (en) * | 2012-01-11 | 2012-07-25 | 福建金闽再造烟叶发展有限公司 | Low-retention monolayer net papermaking process of reconstituted tobaccos by papermaking method and equipment thereof |
| CN103892457B (en) * | 2013-05-29 | 2016-08-10 | 广东金科再造烟叶有限公司 | A kind of paper process tobacco extraction liquid process for refining |
| CN103549641B (en) * | 2013-11-14 | 2016-01-06 | 红塔烟草(集团)有限责任公司 | The purifying treatment method that stalk water circulation uses is washed in a kind of papermaking-method reconstituted tobaccos production process |
| CN103663628A (en) * | 2013-12-13 | 2014-03-26 | 北京清大膜科膜技术有限公司 | Ultrafiltration device for processing papermaking wastewater and application method thereof |
| CN103829365A (en) * | 2014-03-18 | 2014-06-04 | 广东省金叶科技开发有限公司 | Corrosion-prevention method for paper-making process reconstituted tobacco production white water system |
| CN105198116B (en) * | 2015-08-31 | 2017-07-18 | 南京林业大学 | The method for producing waste water is reduced in a kind of clean paper making |
| CN107487875A (en) * | 2017-08-24 | 2017-12-19 | 上海烟草集团有限责任公司 | A kind of papermaking-method reconstituted tobaccos are manufactured paper with pulp white water recycling handling process |
| CN110066037A (en) * | 2019-05-20 | 2019-07-30 | 上海烟草集团有限责任公司 | A kind of reconstituted tobacco plain boiled water processing method and system |
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| DE4242517C1 (en) * | 1992-12-16 | 1994-01-27 | Daimler Benz Ag | Lacquering plant operating process - uses bio-reactor and membrane separator to regenerate circulated water |
| FR2702469A1 (en) * | 1993-03-12 | 1994-09-16 | Egretier Jean Michel | Device for purifying aqueous effluents |
| CN1289415C (en) * | 2004-04-15 | 2006-12-13 | 云南瑞升科技有限公司 | Processing technology for tobacco thin sheet waste water by paper-making method |
| CN100526240C (en) * | 2007-01-12 | 2009-08-12 | 华南理工大学 | Method for anerobic aerobic granular sludge treating high concentration waste water from paper-making method tobacco slice production |
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Owner name: GUANGDONG JINKE RECONSTITUTED TOBACCO CO., LTD. Free format text: FORMER OWNER: GUANGDONG GOLD LEAF TOBACCO SHEET TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20101220 |
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Effective date of registration: 20101220 Address after: 515100 Guangdong Province, Shantou city Chaoyang District Jinke road Deming Industrial Zone Applicant after: Guangdong Jinke Reconstituted Tobacco Co., Ltd. Address before: 31, friendship International Building, No. 86 Jin Sha Road, 515041, Guangdong, Shantou Applicant before: Guangdong Jinye Tobacco Sheet Technology Development Co., Ltd. |
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