CN209322625U - A kind of environment-friendly cycle processing system of viscose glue waste liquid - Google Patents
A kind of environment-friendly cycle processing system of viscose glue waste liquid Download PDFInfo
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- CN209322625U CN209322625U CN201821814684.9U CN201821814684U CN209322625U CN 209322625 U CN209322625 U CN 209322625U CN 201821814684 U CN201821814684 U CN 201821814684U CN 209322625 U CN209322625 U CN 209322625U
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- 229920000297 Rayon Polymers 0.000 title claims abstract description 71
- 239000007788 liquid Substances 0.000 title claims abstract description 71
- 239000002699 waste material Substances 0.000 title claims abstract description 41
- 239000003292 glue Substances 0.000 title claims abstract description 40
- 238000012545 processing Methods 0.000 title claims abstract description 26
- 239000012528 membrane Substances 0.000 claims abstract description 162
- 230000007246 mechanism Effects 0.000 claims abstract description 71
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 63
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000011347 resin Substances 0.000 claims abstract description 52
- 229920005989 resin Polymers 0.000 claims abstract description 52
- 238000003860 storage Methods 0.000 claims abstract description 51
- 238000001914 filtration Methods 0.000 claims abstract description 45
- 239000000203 mixture Substances 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 claims abstract description 28
- 238000012546 transfer Methods 0.000 claims abstract description 24
- 239000002253 acid Substances 0.000 claims description 136
- 150000003839 salts Chemical class 0.000 claims description 112
- 239000003513 alkali Substances 0.000 claims description 100
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 50
- 238000010992 reflux Methods 0.000 claims description 30
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 30
- 235000011152 sodium sulphate Nutrition 0.000 claims description 30
- 238000005192 partition Methods 0.000 claims description 28
- 239000000243 solution Substances 0.000 claims description 24
- 229920002678 cellulose Polymers 0.000 claims description 17
- 239000001913 cellulose Substances 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 13
- 238000001728 nano-filtration Methods 0.000 claims description 13
- 238000001223 reverse osmosis Methods 0.000 claims description 13
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 claims description 12
- 238000010612 desalination reaction Methods 0.000 claims description 11
- 239000012267 brine Substances 0.000 claims description 10
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 239000006166 lysate Substances 0.000 claims description 9
- 238000000909 electrodialysis Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 239000000706 filtrate Substances 0.000 claims description 5
- 239000012141 concentrate Substances 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 229920004933 Terylene® Polymers 0.000 claims 1
- 238000007380 fibre production Methods 0.000 claims 1
- 239000005020 polyethylene terephthalate Substances 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 18
- 238000004064 recycling Methods 0.000 abstract description 10
- 230000007613 environmental effect Effects 0.000 abstract description 8
- PANBYUAFMMOFOV-UHFFFAOYSA-N sodium;sulfuric acid Chemical compound [Na].OS(O)(=O)=O PANBYUAFMMOFOV-UHFFFAOYSA-N 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 12
- 230000001112 coagulating effect Effects 0.000 description 11
- WBZKQQHYRPRKNJ-UHFFFAOYSA-L disulfite Chemical compound [O-]S(=O)S([O-])(=O)=O WBZKQQHYRPRKNJ-UHFFFAOYSA-L 0.000 description 9
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 description 7
- 229940007718 zinc hydroxide Drugs 0.000 description 7
- 229910021511 zinc hydroxide Inorganic materials 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 238000009987 spinning Methods 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000001376 precipitating effect Effects 0.000 description 3
- -1 sulphonic acid ester Chemical class 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 238000000108 ultra-filtration Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 150000007516 brønsted-lowry acids Chemical class 0.000 description 2
- 150000007528 brønsted-lowry bases Chemical class 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000010494 dissociation reaction Methods 0.000 description 2
- 230000005593 dissociations Effects 0.000 description 2
- 230000005685 electric field effect Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000010808 liquid waste Substances 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical compound OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 2
- 229960001763 zinc sulfate Drugs 0.000 description 2
- 229910000368 zinc sulfate Inorganic materials 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 206010054949 Metaplasia Diseases 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 206010039792 Seborrhoea Diseases 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000009295 crossflow filtration Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007646 directional migration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000005446 dissolved organic matter Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000003014 ion exchange membrane Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 208000008742 seborrheic dermatitis Diseases 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- WQSRXNAKUYIVET-UHFFFAOYSA-N sulfuric acid;zinc Chemical compound [Zn].OS(O)(=O)=O WQSRXNAKUYIVET-UHFFFAOYSA-N 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to a kind of environment-friendly cycle processing systems of viscose glue waste liquid, belong to waste recovery and environmental protection treatment technical field in viscose rayon production.Including centrifuge, transfer tank, blend tank, coarse filter device, fine filtering apparatus, resin tower, circulating tank and bipolar membrane device, resin tower at least three, membrane stack mechanism in circulating tank and bipolar membrane device at least two-stage, and the access of an independent loops is formed between circulating tank and bipolar membrane device at the same level.The utility model forms environment-friendly cycle processing system, completes the recycling to sulfuric acid, sodium hydroxide, dilute sulfuric acid sodium solution；Simultaneously, pass through the setting to resin tower, circulating tank and bipolar membrane device, maximum recycling sulfuric acid, sodium hydroxide, dilute sulfuric acid sodium solution, and the purity and concentration of sulfuric acid, sodium hydroxide is effectively ensured, and the secondary pollution in non-treated process, can direct reuse in viscose rayon production process or storage, realize zero-emission.
Description
Technical field
The utility model relates to a kind of environment-friendly disposal systems, especially, are related to a kind of environment-friendly cycle processing of viscose glue waste liquid
System belongs to waste recovery and environmental protection treatment technical field in viscose rayon production.
Background technique
Viscose rayon is using high molecular material wood pulp, cotton pulp containing native cellulose etc. by chemistry and mechanical means
The chemical fibre being process is kind closest with natural fiber clothes performance in chemical fibre, has soft, suction
It is penetrable ventilated, overhang elegant, bright, antistatic the features such as being relatively easy to textile process, be derived from day however better than it is natural again
Raw cellulose fibre, is one of the important materials of textile industry raw material.There is viscose rayon enterprise about 40 in China at present, except production
Outside common viscose fiber (long filament, staple fiber) and high-tenacity fibre, the viscose rayon of high wet modulus fiber and special property also has life
It produces.
A large amount of industrial chemicals is needed in production process of viscose fiber, can generate a large amount of waste water, these waste water contain sulphur
Acid, zinc sulfate, carbon disulfide, cellulose, dissolved organic matter etc. generate very big harm to environment, are textile industries
One of primary pollution source.
Wherein, in viscose rayon forming process, viscose glue and acid coagulating bath are acted on, and are neutralized alkali, cellulose sulfonic acid
Sodium is decomposed and regenerates cellulose hydrate, cellulose sulfonate, free NaOH during this in viscose glue and because of side reaction
The Na of generation2CS3, the side reaction products such as polysulfide can generate sodium sulphate with the sulfuric acid reaction in coagulating bath.Viscose rayon
Include the acid bath process of consumption sulfuric acid in production, further includes the sheet steeping process for consuming sodium hydroxide, alkali cellulose sulphonic acid ester
Dissolution process, concise compresses and washes process and sour water neutralisation treatment operation at waste gas absorption process.
The main function of sodium sulphate is that viscose glue liquid stream is promoted to solidify and inhibit sulfuric acid dissociation in coagulating bath, makes cellulose sulfonic acid
The reproduction speed of ester delays, and improves the concentration of sodium sulphate in coagulating bath, and spinning operation is easier to, and tow is not easy to break end, and can drop
The degree of dissociation of low-sulfur acid, makes tow still have certain residual ester value when leaving coagulating bath, but the sodium sulphate in coagulating bath
Also unsuitable excessively high, otherwise fibre solidification can be made to overrun, fine structure cannot be formed, and coarse crystalline particle is generated, fiber
Ectonexine is also inhomogenous.
During the spinning process, the sodium sulphate content in coagulating bath is continuously increased so that its requirement for being unable to satisfy technique, such as
Fruit only passes through the raw material being consumed in addition coagulating bath will make the total amount of coagulating bath increase to supplement its concentration recycling
Add and can not store, can only at regular time and quantity discharge coagulating bath, acid therein, salt, metal ion etc. will cause serious ring
Border pollution brings huge pressure to sewage treatment and causes the huge waste of resource.And by sodium sulphate extra in acid bath
High temperature crystallization is carried out, sodium sulfate crystal is isolated, so that the content of the sodium sulphate in acid bath is met technique requirement, without arranging daily
Fall acid to balance acid bath, by directly continuing to use for spinning workshop after charging, acid discharge can be reduced, output anhydrous sodium sulphate reduces ring
Packing pressure, but due to sodium sulphate high temperature crystallization is produced in coagulating bath anhydrous sodium sulphate it is impure it is more, added value itself is low makes
Economic benefit can not be generated by obtaining it, and a large amount of solid salt can not be handled, and still bring certain pressure to environmental protection.
State knows that office disclosed a kind of Publication No. CN101343124 on 01 14th, 2009, entitled " based on circulating tank
The patent document of viscose glue waste liquid environment-friendly processing unit ", open: equipment includes absorbing filling, collecting tank, neutralization pond, sedimentation basin.The hair
The bright governing problem for comprehensively considering salkali waste, exhaust gas and zinc-containing water in viscose rayon production, had not only reached the comprehensive utilization of resource, but also
Waste discharge is reduced, solves the environmental issue for restricting industry development in production process of viscose fiber for a long time.Though the technical solution
Environmental protection treatment so is carried out to viscose glue waste liquid, but waste is not separated, is purified, be concentrated etc. and handled, and be recycled,
It is unsatisfactory for cycling and reutilization requirement.
State knows that office discloses a kind of Publication No. CN206666261U, a kind of entitled " viscose glue on November 24th, 2017
The patent document of fine acid waste water processing unit ", open: multimedium filter, ultrafiltration membrane, nanofiltration membrane, level-one produce pond, pressurization
Pump, RO reverse osmosis membrane and recycling water storage tank；The outlet of multimedium filter and the inlet communication of ultrafiltration membrane；The outlet of ultrafiltration membrane with receive
The inlet communication of filter membrane；The outlet of nanofiltration membrane and level-one produce the inlet communication in pond；Level-one produces outlet and the booster pump in pond
Inlet communication；Outlet and the inlet communication of RO reverse osmosis membrane of booster pump, the outlet of RO reverse osmosis membrane and recycling water storage tank into
Mouth of a river connection.The utility model solves the neutralization precipitation pool device processing viscose fiber acid waste water used at this stage and brings
High cost burden, secondary pollution problems caused by the lime slag that is not available largely, and handle through the utility model useless
Water can recycle, good purification, high-efficient, reduce water resource waste, energy conservation and environmental protection.But the technical solution stresses pair
Viscose Waste Water carries out environmental protection treatment, and not specific, circulation and being recycled to Viscose Waste Water efficiently etc..
For the prior art, there is problems: existing viscose glue liquid waste treating apparatus can not be expanded to industry
Metaplasia produces, and is only limitted to the experimental stage；After viscose glue waste liquid is handled, there is also wastes discharge, is unfavorable for environmentally friendly production；To viscous
After glue waste liquid carries out sulfuric acid, sodium hydroxide, the recycling of dilute sulfuric acid sodium, purity and concentration are not able to satisfy actual demand, i.e. impurity is more, dense
Spend small, being back to after cellulose viscose manufacturing technique influences greatly product quality, therefore could be used to produce after need to being further processed
In technique.
Summary of the invention
The utility model aims to solve the problem that prior art problem, and proposes a kind of environment-friendly cycle processing system of viscose glue waste liquid
System.The technical program is by filling centrifuge, transfer tank, blend tank, coarse filter device, fine filtering apparatus, resin tower, Bipolar Membrane
The problems such as setting and the setting of circulating tank, effectively solving difficult viscose glue liquid waste processing, data waste, complete to sulfuric acid, sodium hydroxide,
The recycling of dilute sulfuric acid sodium solution, meanwhile, realize zero-emission.
In order to achieve the above technical purposes, the following technical solution is proposed:
A kind of environment-friendly cycle processing system of viscose glue waste liquid, including viscose glue waste liquid is separated into powdery solid and concentration acid bath
Lysate by adjusting temperature and is adjusted pH and tune sulfuric acid by the centrifuge of liquid, the transfer tank that powdery solid is dissolved as to lysate
Na concn and there is suspended matter to generate blend tank, solution containing suspended matter is filtered into filter residue I and coarse filtration liquid coarse filter device, will
Coarse filtration liquid is filtered into the fine filtering apparatus of filter residue II and refined filtration liquid, has pure sodium sulphate to generate by chelating absorption refined filtration liquid
Resin tower, fluid circulation reflux circulating tank and by sodium sulphate electrodialysis be sulfuric acid and sodium hydroxide bipolar membrane device, in
Turn trough is arranged in centrifuge station side；Transfer tank is connected with desalination water storage tank, and transfer tank is connect with blend tank；Blend tank is connected with
The heat exchanger of temperature regulating, the storage alkali tank for adjusting pH and the desalination water storage tank for adjusting sodium sulfate concentration, and blend tank and coarse filter device connect
It connects；Coarse filter device is connect with fine filtering apparatus, and fine filtering apparatus is connect with resin tower, and resin tower by circulating tank with it is bipolar
Film device connection, forms the access of an independent loops between circulating tank and bipolar membrane device.
Further, the blend tank is equipped with pH detector, temperature monitor and sampling mechanism.
Further, the sampling mechanism be liquid level tube, liquid level tube be arranged outside blend tank, and liquid level tube both ends respectively with
Blend tank connection.
Further, the coarse filter device is the bag filter in 10~15 μm of aperture.
Further, fine filtering apparatus is the ultrafilter in 0.01~0.05 μm of aperture.
Further, the resin tower at least three, is connected between resin tower and resin tower by pipeline, and pipeline is equipped with
Valve and zinc ion detector, 0~3ppm of zinc ion detector test range.
Further, the resin tower includes tower body and is arranged on the intracorporal resin of tower, upper filter plate and lower filter plate, tower body top
Portion is provided with inlet, and bottom is provided with liquid outlet；On tower body top, lower filter plate is arranged in tower body lower part for upper filter plate setting, on
Filter chamber is formed between filter plate and lower filter plate, resin is arranged in filter chamber.
Further, the upper filter plate, lower filter plate are the filter plate with water distributing pore, are equipped with water distributor at water distributing pore.
Further, the circulating tank includes tank body and setting in the intracorporal vertical clapboard of tank, upper cross plate and lower cross plate, erect every
Plate is vertically provided in tank body, and is fixed on top of the tank and side, and vertical clapboard side and inner tank wall form back cavity, another
Side and inner tank wall form mixing chamber, form channel between vertical clapboard end and tank base inner wall；Top of the tank is equipped with reflux
Mouthful, refluxing opening be connected to back cavity, and back cavity top is equipped with overflow port, equipped with upper cross plate below overflow port, upper cross plate end and
Channel is formed between vertical clapboard；Top of the tank is additionally provided with feed inlet, and feed inlet is connected to mixing chamber, and mixing chamber lower part is equipped with discharging
Mouthful, it is equipped with lower cross plate below discharge port, forms channel between lower cross plate end and vertical clapboard.
Further, the circulating tank includes the salt circulating tank, sour circulating tank and alkali circulating tank of at least two-stage, Bipolar Membrane dress
It sets including at least two-stage membrane stack mechanism, salt circulating tank, sour circulating tank, alkali circulating tank and membrane stack mechanism series are correspondingly arranged；
The circulating tank includes the salt circulating tank, sour circulating tank and alkali circulating tank of at least two-stage, and bipolar membrane device includes extremely
Few two-stage membrane stack mechanism, salt circulating tank, sour circulating tank, alkali circulating tank and membrane stack mechanism series are correspondingly arranged；
Salt circulating tank feed inlet is connect with resin tower, and salt circulating tank discharge port is connect with membrane stack mechanism at the same level into salt mouth,
Membrane stack mechanism salt outlet is connect with salt circulating tank refluxing opening at the same level, and one is formed between salt circulating tank and the membrane stack mechanism of peer
The access of independent loops, and salt circulating tank is connected with storage brine tank, salt circulating tank overflow port and next stage salt circulating tank feed inlet connect
It connects；The salt circulating tank overflow port of afterbody is connected with hydrochlorate separator, and hydrochlorate separator acid mouth is direct by pipeline
It is connect with the acid station acid storage tank in cellulose viscose manufacturing technique, salt outlet is directly connect with transfer tank by pipeline；
Sour circulating tank is connect with next stage acid circulating tank overflow port, and sour circulating tank feed inlet is connected with desalination water storage tank, acid
Circulating tank discharge port is connect with membrane stack mechanism acid inlet at the same level, and membrane stack mechanism acid mouth and sour circulating tank refluxing opening at the same level connect
It connects, forms the access of an independent loops between sour circulating tank and the membrane stack mechanism of peer, sour circulating tank overflow port is connected with reverse osmosis
Saturating device, the outlet of reverse osmosis unit concentrated acid are directly connect with the acid station acid storage tank in cellulose viscose manufacturing technique by pipeline, instead
The outlet of permeability apparatus penetrating fluid is directly connect with sour circulating tank by pipeline；
Alkali circulating tank is connect with next stage alkali circulating tank overflow port, and alkali circulating tank feed inlet is connected with desalination water storage tank, alkali
Circulating tank discharge port is connect with membrane stack mechanism alkali inlet at the same level, and membrane stack mechanism alkali outlet and alkali circulating tank refluxing opening at the same level connect
It connects, forms the access of an independent loops between alkali circulating tank and the membrane stack mechanism of peer, alkali circulating tank overflow port is connected with nanofiltration
Device, nanofiltration device filtrate port are directly connect with the stoste storage tank in cellulose viscose manufacturing technique by pipeline, and nanofiltration device is dense
Contracting liquid mouth is directly connect with blend tank by pipeline.
Further, the membrane stack mechanism includes spaced diaphragm block and diaphragm plate, and membrane stack mechanism two sides are film
The diaphragm plate of plate, two sides is connect with pole plate respectively；Power interface, pole water inlet and pole water out, a pole plate are equipped on pole plate
Positive pole is connected by power interface, another pole plate connects power cathode by power interface；
The diaphragm block includes the multipair diaphragm and partition overlapped, and each pair of diaphragm includes cavity block, anode membrane and bipolar
Film, diaphragm block repeat to be arranged according to the arrangement of Bipolar Membrane, partition, cavity block, partition, anode membrane, partition；Partition one end be connected with into
Salt mouth, acid inlet and alkali inlet are respectively formed in diaphragm internal into the channel Yan Kou, acid inlet channel and alkali inlet channel；Partition
The other end is connected with salt outlet, acid mouth and alkali outlet, forms salt outlet channel, acid mouth channel and alkali outlet in diaphragm internal
Channel.
Further, the electric current of bipolar membrane device is set as 300~400A, and voltage is set as 200~290V, and voltage increases
Illustrate that resistance increases, resistance increase illustrates that concentration reduces in bipolar membrane device, and concentration can be adjusted by moisturizing in bipolar membrane device.
Further, the block board thickness is 2~3mm, partition, Bipolar Membrane, cavity block and anode membrane both ends be provided with it is more
A aperture, the aperture on partition are correspondingly arranged on runner.
Further, the pair of diaphragm is correspondingly arranged on a salt room, an acid compartment and an alkaline chamber, a salt room pair
Answer one into the channel Yan Kou and a salt outlet channel；One corresponding acid inlet channel of acid compartment and an acid mouth channel；
One corresponding alkali inlet channel of alkaline chamber and an alkali outlet channel.
When the above salt, bronsted lowry acids and bases bronsted lowry are by corresponding salt room, acid compartment and alkaline chamber, use ion fixed under DC electric field effect
To migration and amberplex selective penetrated property principle:
1 pair of diaphragm is correspondingly arranged on a salt room, the corresponding salt outlets in 20 salt rooms, 20 pairs of films, one salt outlet, and 40
Diaphragm is correspondingly arranged there are two salt outlet.
1 pair of diaphragm is correspondingly arranged on an acid compartment, the corresponding acid mouths of 20 acid compartments, 20 pairs of films, one acid mouth, and 40
Diaphragm is correspondingly arranged there are two acid mouth.
1 pair of diaphragm is correspondingly arranged on an alkaline chamber, the corresponding alkali outlets of 20 alkaline chambers, 20 pairs of films, one alkali outlet, and 40
Diaphragm is correspondingly arranged there are two alkali outlet.
The rectangle of the Bipolar Membrane, cavity block and anode membrane for 1500mm*500mm, gross area 0.75m2, effective coverage are long
1200mm*420mm, effective area 0.5m2, effective area accounting 66.67%.
The membrane voltage (10A/dm2,30 DEG C) of Bipolar Membrane is 1.2V；Water decomposition efficiency >=98%；Rupture strength >=0.4Mpa；
With a thickness of 0.22mm.
Anode membrane model CSE-2, i.e. highly acid anode membrane have high-intensitive characteristic；Membrane impedance is 1.9 Ω cm2；Rupture is strong
Degree is greater than 0.35 Mpa；With a thickness of 0.15mm.
Cavity block model ACM, i.e. alkalescent cavity block have the characteristic for being not easy acid；Membrane impedance is 2.6 Ω cm2；Rupture strength
Greater than 0.15 Mpa；With a thickness of 0.11mm.
The running temperature of membrane stack is 30~40 DEG C, and the operating pressure of membrane stack is 0.03~0.1Mpa.
Related viscose glue waste liquid includes sodium sulphate, zinc sulfate and sulfuric acid.
The working principle of environment-friendly processing unit are as follows:
Centrifuge: viscose glue waste liquid is centrifuged, and obtains powdery solid and concentrated acid bath foam, and concentrated acid bath foam can be returned directly
The spinning acid bath circulating process in viscose rayon production is used, powdery solid is passed into transfer tank；
Transfer tank: after powdery solid is passed into transfer tank, demineralized water, powder are passed through into transfer tank through desalination water storage tank
The dissolution of shape solid, obtains lysate；Lysate is passed into blend tank；
Blend tank: after lysate is passed into blend tank, temperature in blend tank is adjusted through heat exchanger, through storage alkali tank and is removed
Brine reservoir adjusts the pH and sodium sulfate concentration in blend tank, during this, has about 80% zinc ion to form precipitating, and sulfuric acid
The dissolution of sodium maximum；The coarse filter device into impurity removal mechanism will be passed through containing precipitating suspended matter solution after adjusting；
Coarse filter device: after being passed into containing precipitating suspended matter solution to coarse filter device, filtering removes bulky grain hydrogen
Zinc oxide precipitate obtains coarse filtration liquid, and coarse filtration liquid is passed through to fine filtering apparatus；
Fine filtering apparatus: coarse filtration liquid is passed into fine filtering apparatus, and filtering removes smaller particle zinc hydroxide precipitation,
Refined filtration liquid is obtained, refined filtration liquid is passed through to resin tower；
Bulky grain zinc hydroxide precipitation and smaller particle zinc hydroxide precipitation are collected, is back to use in viscose rayon production
Acid bath process；
Resin tower: after refined filtration liquid is passed into resin tower, remaining zinc ion is removed by chelating absorption principle, is obtained
(whether zinc ion is divided pure metabisulfite solution, using zinc ion detector test, if zinc ion can be detected, says
Resin adsorption resin has reached saturation in the bright resin tower, and utilizes valve transfer pipeline, connects other resin tower), by the sulphur
Acid sodium solution is passed through to salt circulating tank；
Circulating tank: metabisulfite solution is passed into salt circulating tank, and metabisulfite solution is passed into from salt circulating tank discharge port
To bipolar membrane device, through bipolar membrane device intermediate ion under DC electric field effect directional migration and selective permeability of ionexchange membrane
Principle, obtains dilute salt, sulfuric acid and sodium hydroxide, and dilute salt is returned to from bipolar membrane device salt outlet by salt circulating tank refluxing opening
Salt circulating tank, reflux and mixing, then enter bipolar membrane device through salt circulating tank discharge port, reciprocation cycle is carried out, finally, dilute salt is certainly
Salt circulating tank overflow port is passed into storage salt cellar or transfer tank；
Sulfuric acid enters in sour circulating tank from bipolar membrane device acid mouth, then enters to Bipolar Membrane by sour circulating tank discharge port
Device carries out reciprocation cycle, and flows back and mix in sour circulating tank, finally, sulfuric acid from sour circulating tank overflow port be passed into
Acid bath process in acid storage tank or viscose rayon production；
Sodium hydroxide enters in alkali circulating tank from bipolar membrane device alkali outlet, then is entered to by alkali circulating tank discharge port double
Pole film device carries out reciprocation cycle, and flows back and mix in alkali circulating tank, and finally, sodium hydroxide is from alkali circulating tank overflow port
Dipping, yellow process or the blend tank being passed into storage alkali tank, viscose rayon production, to the pH and sodium sulphate in blend tank
Concentration is adjusted.
Using the technical program, bring advantageous effects are as follows:
1) the utility model by centrifuge, transfer tank, blend tank, coarse filter device, fine filtering apparatus, resin tower,
The setting of circulating tank and bipolar membrane device forms environment-friendly cycle processing system, completes molten to sulfuric acid, sodium hydroxide, dilute sulfuric acid sodium
The recycling of liquid.And by the setting to resin tower, circulating tank and bipolar membrane device, it is maximum recycling sulfuric acid, sodium hydroxide, dilute
Metabisulfite solution, and the purity and concentration of sulfuric acid, sodium hydroxide is effectively ensured, and the secondary pollution in non-treated process, it can be straight
It takes back for viscose rayon production process or storage, realizes zero-emission；
2) it in the present invention, by the setting of the intracorporal resin of resin tower tower, upper filter plate and lower filter plate, and limits
Its position and connection relationship, guarantee refined filtration liquid enter after tower body smoothly, stablize, orderly fall, and increase refined filtration liquid and resin
Contact area and time, effectively removing zinc ion, improve the concentration and purity of subsequent products；Meanwhile the setting can prevent from setting
Seborrhea goes out, and filter chamber is avoided to block, and guarantees that viscose glue waste liquid environmental protection treatment process is stablized and carries out；
3) in the present invention, pass through vertical clapboard, the upper cross plate, lower cross plate, back cavity, mixing in circulation tank
The setting of chamber, channel, refluxing opening, overflow port, feed inlet and discharge port, and its position and connection relationship are limited, it avoids flowing back
Object is added or newly-generated object mixes immediately with new, and by separating and guide functions, avoid reflux and new addition or newly-generated
Object mixes at the top of circulating tank, reduces material back-mixing cost, improves operational efficiency, guarantee section reflux and new addition or newborn
At object in circulation pot bottom mixing, and the concentration of discharge port is improved, and then improve Bipolar Membrane membrane stack " electrodialysis " efficiency；
4) in the present invention, by diaphragm block in bipolar membrane device, diaphragm plate, pole plate, into the channel Yan Kou, acid inlet
The setting in channel, alkali inlet channel, salt outlet channel, acid mouth channel and alkali outlet channel etc., and limit its position, composition
And connection relationship, guarantee that metabisulfite solution is orderly, controllable and effectively enter bipolar membrane device, promotes bipolar membrane device steady
It is fixed to carry out " electrodialysis ", and maximum recycling is carried out to metabisulfite solution, improve the concentration and purity of subsequent products；
5) in the present invention, the utility model is suitable for industrialized production, can not only be directly arranged at viscose glue fibre
It ties up in production process, viscose glue waste liquid is recycled, realize zero-emission, and product reuse to viscose rayon is produced into work
Sequence saves production cost, and improves the globality of equipment installation；And the present apparatus can also be separately provided, and be exclusively used in viscose glue waste liquid
Processing, improve device integration.
Detailed description of the invention
Fig. 1 is the structural block diagram of the utility model；
Fig. 2 is the work flow diagram of the utility model；
Fig. 3 is the connection schematic diagram of resin tower and resin tower in the utility model；
Fig. 4 is the structural schematic diagram of resin tower in the utility model；
Fig. 5 is the structural schematic diagram of circulating tank in the utility model；
Fig. 6 is the logical connection schematic diagram of embodiment 6 in the utility model；
Fig. 7 is that embodiment 6 patrols work flow diagram in the utility model；
Fig. 8 is the schematic diagram of bipolar membrane device in the utility model；
Fig. 9 is the diaphragm structure schematic diagram of bipolar membrane device in the utility model；
Figure 10 is the salt cell structure schematic diagram of bipolar membrane device in the utility model；
Figure 11 is the acid compartment structural schematic diagram of bipolar membrane device in the utility model；
Figure 12 is the alkaline chamber structural schematic diagram of bipolar membrane device in the utility model；
Figure 13 is the schematic illustration of bipolar membrane device in the utility model；
Wherein, in figure: 1, centrifuge, 2, transfer tank, 3, blend tank, 4, coarse filter device, 5, fine filtering apparatus, 6, resin
Tower, 7, bipolar membrane device, 8, circulating tank, 9, storage brine tank, 10, acid storage tank, 11, storage alkali tank, 12, desalination water storage tank, 13, heat exchange
Device, 14, salt circulating tank, 15, sour circulating tank, 16, alkali circulating tank, 17, valve, 18, zinc ion detector, 19, hydrochlorate separation dress
It sets, 20, reverse osmosis unit, 21, nanofiltration device, 22, pole water pot；
601, tower body, 602, filter chamber, 603, upper filter plate, 604, lower filter plate, 605, inlet, 606, liquid outlet, 607, cloth
Water hole, 608, water distributor；
801, tank body, 802, vertical clapboard, 803, upper cross plate, 804, lower cross plate, 805, back cavity, 806, mixing chamber, 807,
Refluxing opening, 808, overflow port, 809, feed inlet, 810, discharge port；
110, diaphragm block, 120, diaphragm plate, 130, pole plate, 140, power interface, 150, pole water inlet, 160, pole water goes out
Mouthful, 111, partition, 112, cavity block, 113, anode membrane, 114, Bipolar Membrane, 170, into Yan Kou, 180, acid inlet, 190, alkali inlet,
200, salt outlet, 210, acid mouth, 220, alkali outlet, 171, into the channel Yan Kou, 181, acid inlet channel, 191, alkali inlet it is logical
Road, 201, salt outlet channel, 211, acid mouth channel, 221, alkali outlet channel, 230, aperture, 240, runner, 115, salt room,
116, acid compartment, 117, alkaline chamber, 250, pressure plate, 260, fastening bolt, 270, rack, 280, rack beam, 290, hydraulic press piston
Column.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment be only the utility model a part of the embodiment, instead of all the embodiments.Based on the reality in the utility model
Example is applied, all other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the range of the utility model protection.
Embodiment 1
It is as shown in Figs. 1-2: a kind of environment-friendly cycle processing system of viscose glue waste liquid, including viscose glue waste liquid is separated into powdery and is consolidated
Lysate is passed through adjusting temperature by the centrifuge 1 of body and gelled acid bath foam, the transfer tank 2 that powdery solid is dissolved as to lysate
With adjust pH and adjust sodium sulfate concentration and there is suspended matter to generate blend tank 3, suspended matter solution will be contained be filtered into filter residue I and coarse filtration liquid
Coarse filter device 4, coarse filtration liquid is filtered into filter residue II and refined filtration liquid fine filtering apparatus 5, refined filtration liquid passed through into chelating absorption
And the circulating tank 8 for the resin tower 6, fluid circulation reflux for thering is pure sodium sulphate to generate and be sulfuric acid and hydrogen-oxygen by sodium sulphate electrodialysis
Change the bipolar membrane device 7 of sodium, transfer tank 2 is arranged in 1 station side of centrifuge；Transfer tank 2 is connected with desalination water storage tank 12, and transfer
Slot 2 is connect with blend tank 3；Blend tank 3 is connected with the heat exchanger 13 of temperature regulating, adjusts the storage alkali tank 11 of pH and adjusts removing for sodium sulfate concentration
Brine reservoir 12, and blend tank 3 is connect with coarse filter device 4；Coarse filter device 4 is connect with fine filtering apparatus 5, fine filtering apparatus
5 connect with resin tower 6, and resin tower 6 is connect by circulating tank 8 with bipolar membrane device 7, between circulating tank 8 and bipolar membrane device 7
Form the access of an independent loops.
7 salt outlet 200 of bipolar membrane device is connected with storage brine tank 9, and storage brine tank 9 is connect with transfer tank 2, carries out dissolution work
Sequence；7 acid mouth 210 of bipolar membrane device is connected with acid storage tank 10, and acid is back to the acid in cellulose viscose manufacturing technique by acid storage tank 10
Bathe process；7 alkali outlet 220 of bipolar membrane device is connected with storage alkali tank 11, and storage alkali tank 11 connect with blend tank 3, adjusts in blend tank 3
PH, meanwhile, the alkali stored up in alkali tank 11 can be back to dipping or yellow process in cellulose viscose manufacturing technique.
Embodiment 2
On the basis of embodiment 1, further,
The blend tank 3 is equipped with pH detector, temperature monitor and sampling mechanism.
The sampling mechanism be liquid level tube, liquid level tube be arranged outside blend tank 3, and liquid level tube both ends respectively with blend tank 3
Connection.
Embodiment 3
On the basis of embodiment 1-2, further,
The coarse filter device 4 is the bag filter in 15 μm of aperture.
Fine filtering apparatus 5 is the ultrafilter in 0.03 μm of aperture.
Embodiment 4
On the basis of embodiment 1-3, further,
As shown in Figure 3: the resin tower 6 is three, is connected between resin tower 6 and resin tower 6 by pipeline, is set on pipeline
There are valve 17 and zinc ion detector 18,18 0~3ppm of detection range of zinc ion detector.
It is as shown in Figure 4: the resin tower 6 include tower body 601 and be arranged in tower body 601 resin, upper filter plate 603 and under
Filter plate 604 is provided with inlet 605 at the top of tower body 601, and bottom is provided with liquid outlet 606；Upper filter plate 603 is arranged in tower body 601
Top, lower filter plate 604, which is arranged between 601 lower part of tower body, upper filter plate 603 and lower filter plate 604, forms filter chamber 602, resin setting
In filter chamber 602.
The upper filter plate 603, lower filter plate 604 are the filter plate with water distributing pore 607, are equipped with water distribution at water distributing pore 607
Device 608.
Embodiment 5
On the basis of examples 1 to 4, further,
It is as shown in Figure 5: vertical clapboard 802, the upper cross plate that the circulating tank 8 includes tank body 801 and is arranged in tank body 801
803 and lower cross plate 804, vertical clapboard 802 be vertically provided in tank body 801, and be fixed on the top of tank body 801 and side, vertical clapboard
802 sides and 801 inner wall of tank body form back cavity 805, and the other side and 801 inner wall of tank body form mixing chamber 806, vertical clapboard 802
Channel is formed between 801 bottom interior wall of end and tank body；Refluxing opening 807, refluxing opening 807 and back cavity are equipped at the top of tank body 801
805 connections, 805 top of back cavity are equipped with overflow port 808, are equipped with upper cross plate 803 below overflow port 808,803 end of upper cross plate with
Channel is formed between vertical clapboard 802；Feed inlet 809 is additionally provided at the top of tank body 801, feed inlet 809 is connected to mixing chamber 806, is mixed
It closes 806 lower part of chamber and is equipped with discharge port 810, be equipped with lower cross plate 804,804 end of lower cross plate and vertical clapboard 802 below discharge port 810
Between form channel.
Embodiment 6
On the basis of embodiment 5, further,
As shown in fig. 6-7: the circulating tank 8 includes first order salt circulating tank, first order acid circulating tank, first order alkali circulation
Tank, second level salt circulating tank, second level acid circulating tank, second level alkali circulating tank, third level salt circulating tank, third level acid circulating tank
And third level alkali circulating tank, bipolar membrane device 7 include first order membrane stack mechanism, second level membrane stack mechanism and third level membrane stack machine
Structure, first order salt circulating tank, first order acid circulating tank, first order alkali circulating tank are connect with first order membrane stack mechanism, the second level
Salt circulating tank, second level acid circulating tank, second level alkali circulating tank are connect with second level membrane stack mechanism, third level salt circulation, the
Three-level acid circulating tank and third level alkali circulating tank are connect with third level membrane stack mechanism；
First order salt circulating tank feed inlet is connect with resin tower 6, first order salt circulating tank discharge port and first order membrane stack machine
Structure is connected into salt mouth, and first order membrane stack mechanism salt outlet connect with first order salt circulating tank refluxing opening, first order salt circulating tank and
The access of an independent loops is formed between first order membrane stack mechanism, first order salt circulating tank is connected with storage brine tank；
Second level salt circulating tank is connect with first order salt circulating tank overflow port, second level salt circulating tank feed inlet and storage salt water
Tank 9 connects, and second level salt circulating tank discharge port is connect with second level membrane stack mechanism into salt mouth, second level membrane stack mechanism salt outlet
It is connect with second level salt circulating tank refluxing opening, forms an independent loops between second level salt circulating tank and second level membrane stack mechanism
Access；
Third level salt circulating tank is connect with second level salt circulating tank overflow port, third level salt circulating tank feed inlet and storage salt water
Tank 9 connects, and third level salt circulating tank discharge port is connect with third level membrane stack mechanism into salt mouth, third level membrane stack mechanism salt outlet
It is connect with third level salt circulating tank refluxing opening, forms an independent loops between third level salt circulating tank and third level membrane stack mechanism
Access.Third level salt circulating tank overflow port is connected with hydrochlorate separator 19, and 19 acid mouth of hydrochlorate separator passes through pipeline
It is directly connect with the acid station acid storage tank in cellulose viscose manufacturing technique, 19 salt outlet of hydrochlorate separator is by pipeline directly in
Turn trough 2 connects；
First order acid circulating tank feed inlet is connected with desalination water storage tank 12, first order acid circulating tank discharge port and first order membrane stack
The connection of mechanism acid inlet, first order membrane stack mechanism acid mouth are connect with first order acid circulating tank refluxing opening, first order acid circulating tank
The access of an independent loops is formed between first order membrane stack mechanism, first order acid circulating tank overflow port is connected with reverse osmosis unit
20, the outlet of 20 concentrated acid of reverse osmosis unit is directly connect with the acid station acid storage tank in cellulose viscose manufacturing technique by pipeline, reverse osmosis
Saturating 20 penetrating fluid of device outlet is directly connect with first order acid circulating tank by pipeline；
Second level acid circulating tank overflow port is connect with first order acid circulating tank, second level acid circulating tank feed inlet and demineralized water
Storage tank 12 connects, and second level acid circulating tank discharge port is connect with second level membrane stack mechanism acid inlet, and second level membrane stack mechanism goes out acid
Mouth is connect with second level acid circulating tank refluxing opening, is formed one between second level acid circulating tank and second level membrane stack mechanism and is independently followed
The access of ring；
Third level acid circulating tank overflow port is connect with second level acid circulating tank, second level acid circulating tank feed inlet and demineralized water
Storage tank 12 connects, and third level acid circulating tank discharge port is connect with third level membrane stack mechanism acid inlet, and third level membrane stack mechanism goes out acid
Mouth is connect with third level acid circulating tank refluxing opening, is formed one between third level acid circulating tank and third level membrane stack mechanism and is independently followed
The access of ring；
First order alkali circulating tank feed inlet is connected with desalination water storage tank 12, first order alkali circulating tank discharge port and first order membrane stack
The connection of mechanism alkali inlet, first order membrane stack mechanism alkali outlet are connect with first order alkali circulating tank refluxing opening, first order alkali circulating tank
The access of an independent loops is formed between first order membrane stack mechanism, first order alkali circulating tank overflow port is connected with nanofiltration device
21,21 filtrate port of nanofiltration device is directly connect with the stoste storage tank in viscose rayon production process by pipeline, nanofiltration device 21
Concentrate mouth is directly connect with blend tank 3 by pipeline；
Second level alkali circulating tank overflow port is connect with first order alkali circulating tank, second level acid circulating tank feed inlet and demineralized water
Storage tank 12 connects, and second level alkali circulating tank discharge port is connect with second level membrane stack mechanism alkali inlet, and second level membrane stack mechanism goes out alkali
Mouth is connect with second level alkali circulating tank refluxing opening, is formed one between second level alkali circulating tank and second level membrane stack mechanism and is independently followed
The access of ring；
Third level alkali circulating tank overflow port is connect with second level alkali circulating tank, third level acid circulating tank feed inlet and demineralized water
Storage tank 12 connects, and third level alkali circulating tank discharge port is connect with third level membrane stack mechanism alkali inlet, and third level membrane stack mechanism goes out alkali
Mouth is connect with third level alkali circulating tank refluxing opening, is formed one between third level alkali circulating tank and third level membrane stack mechanism and is independently followed
The access of ring.
First order membrane stack mechanism, second level membrane stack mechanism and third level membrane stack mechanism are connected with pole water pot 22.
Embodiment 7
On the basis of embodiment 6, further,
As shown in Figure 8: the membrane stack mechanism includes spaced diaphragm block 110 and diaphragm plate 120, membrane stack mechanism two sides
It is diaphragm plate 120, the diaphragm plate 120 of two sides is connect with pole plate 130 respectively；Be equipped on pole plate 130 power interface 140, pole water into
Mouth 150 and pole water out 160, a pole plate 130 connect positive pole by power interface 140, another pole plate 130 passes through electricity
Source interface 140 connects power cathode；
The diaphragm block 110 includes the multipair diaphragm overlapped and partition 111, and each pair of diaphragm includes cavity block 112, sun
Film 113 and Bipolar Membrane 114, diaphragm block 110 according to Bipolar Membrane 114, partition 111, cavity block 112, partition 111, anode membrane 113, every
The arrangement of plate 111 repeats to be arranged；111 one end of partition is connected with into salt mouth 170, acid inlet 180 and alkali inlet 190, in partition 111
Inside is respectively formed into the channel Yan Kou 171, acid inlet channel 181 and alkali inlet channel 191；111 other end of partition is connected with out
Salt mouth 200, acid mouth 210 and alkali outlet 220 form salt outlet channel 201, acid mouth channel 211 and are gone out inside partition 111
Alkali mouth channel 221.
The electric current of bipolar membrane device 7 is set as 350A, and voltage is set as 260V, and voltage increase illustrates that resistance increases, resistance
Increase illustrates that concentration reduces in bipolar membrane device 7, and concentration can be adjusted by moisturizing in bipolar membrane device 7.
It is as shown in Figure 9: the partition 111 with a thickness of 3mm, partition 111, Bipolar Membrane 114, cavity block 112 and anode membrane 113 two
End is provided with multiple apertures 230, and the aperture 230 on partition 111 is correspondingly arranged on runner 240.
As shown in figs. 10-12: the pair of diaphragm is correspondingly arranged on a salt room, an acid compartment and an alkaline chamber, and one
Salt room corresponds to one into the channel Yan Kou and a salt outlet channel；One corresponding acid inlet channel of acid compartment and an acid mouth
Channel；One corresponding alkali inlet channel of alkaline chamber and an alkali outlet channel.
When the above salt, bronsted lowry acids and bases bronsted lowry are by corresponding salt room 115, acid compartment 116 and alkaline chamber 117, cross-flow filtration principle has been used
With the centrifugation of film.
1 pair of diaphragm is correspondingly arranged on a salt room, the corresponding salt outlets in 20 salt rooms, 20 pairs of films, one salt outlet, and 40
Diaphragm is correspondingly arranged there are two salt outlet.
1 pair of diaphragm is correspondingly arranged on an acid compartment, the corresponding acid mouths of 20 acid compartments, 20 pairs of films, one acid mouth, and 40
Diaphragm is correspondingly arranged there are two acid mouth.
1 pair of diaphragm is correspondingly arranged on an alkaline chamber, the corresponding alkali outlets of 20 alkaline chambers, 20 pairs of films, one alkali outlet, and 40
Diaphragm is correspondingly arranged there are two alkali outlet.
The Bipolar Membrane 114, cavity block 112 and anode membrane 113 are the rectangle of 1500mm*500mm, and gross area 0.75m2 has
Imitate the long 1200mm*420mm in region, effective area 0.5m2, effective area accounting 66.67%.
The membrane voltage (10A/dm2,30 DEG C) of Bipolar Membrane 114 is 1.2V；Water decomposition efficiency >=98%；Rupture strength >=
0.4Mpa；With a thickness of 0.22mm.
Anode membrane 113 is CSE-2 model, as highly acid anode membrane 113, has high-intensitive characteristic；Membrane impedance is 1.9 Ω cm
²；Rupture strength is greater than 0.35 Mpa；With a thickness of 0.15mm.
Cavity block 112 is ACM model, as alkalescent cavity block 112, has the characteristic for being not easy acid；Membrane impedance is 2.6 Ω cm
²；Rupture strength is greater than 0.15 Mpa；With a thickness of 0.11mm.
The running temperature of membrane stack is 35 DEG C, and the operating pressure of membrane stack is 0.06Mpa.
Embodiment 8
By taking sodium sulphate content is the viscose glue waste liquid of 1T as an example, using processing system in the technical program, viscose glue waste liquid is carried out
Environment-friendly cycle treatment process, it is specific as follows:
Viscose glue waste liquid is dissolved as sodium sulfate concentration 250g/L, sulfuric acid zinc concentration 0.5g/L and sulphur by addition demineralized water by A
The solution of acid concentration 5g/L, overall solution volume 4m3；
B will be passed through through the resulting solution of step A into blend tank 3, and adjusting pH is 10, consumes sodium hydroxide 16.5kg, be generated
Zinc hydroxide 1.2kg；
C will be passed through through the resulting hydrogeneous burnett's solution of step B into bag filter, about 35% zinc hydroxide precipitation
It is trapped, generates filter residue 0.4kg, obtain coarse filtration liquid；
Resulting coarse filtration liquid is passed through into ultrafilter by D, and remaining zinc hydroxide precipitation is trapped, and is generated containing zinc hydroxide
Concentrate 0.13m3 and its concentration 6g/L, and refined filtration liquid is obtained, and impurity content is micro in refined filtration liquid；
Resulting refined filtration liquid is passed through into resin tower 6 by E, through resin adsorption, completely removes impurity, and obtaining content is 1T's
Pure metabisulfite solution；
Resulting pure metabisulfite solution is passed through into bipolar membrane device 7 by F, through the electrodialysis of membrane stack mechanism, with electrodialysis
Efficiency is 60% meter, generates 0.31T sulfuric acid, generates 0.34T lye, and generate sodium sulfate concentration 100g/L, sulfuric acid concentration 25g/
The weak brine 4m3 of L:
One, the concentration of 0.31T sulfuric acid is 70g/L, volume 4.4m3, after reverse osmosis unit 20 is by sulphuric acid concentration, is generated
The concentrated sulfuric acid 2.2m3 of 120g/L, and generate the dilute sulfuric acid 2.2m3 of 20g/L；
Two, produced 0.34T lye is based on 3500 yuan/ton by lye unit price, generations economic benefit for 0.34*3500=
1225 yuan；
Metabisulfite solution containing sodium hydroxide solution and concentration 2g/L that concentration is 80g/L in 0.34T lye, total volume
For 4.25m3, lye is passed through into nanofiltration membrane system, generates the filtrate 4.11m3 that naoh concentration is 80g/L；And it produces
Raw naoh concentration is the concentrate 0.14m3 that 80g/L and sodium sulfate concentration are greater than 30g/L；
Three, resulting 4m3 weak brine is passed through into hydrochlorate separator 19, it is molten generates the sodium sulphate that concentration is 100g/L
The sulfuric acid 4m3 that liquid 4m3 and concentration are 25g/L.
Claims (10)
1. a kind of environment-friendly cycle processing system of viscose glue waste liquid, it is characterised in that: including viscose glue waste liquid is separated into powdery solid
It is dissolved as the transfer tank (2) of lysate with the centrifuge (1) of gelled acid bath foam, by powdery solid, lysate is passed through into adjusting temperature
Degree and adjust pH and adjust sodium sulfate concentration and there is suspended matter to generate blend tank (3), suspended matter solution will be contained be filtered into filter residue I and thick
The coarse filter device (4) of filtrate, the fine filtering apparatus (5) that coarse filtration liquid is filtered into filter residue II and refined filtration liquid pass through refined filtration liquid
Chelating absorption and the circulating tank (8) of the resin tower (6), fluid circulation reflux that there is pure sodium sulphate to generate and by sodium sulphate electrodialysis
For the bipolar membrane device (7) of sulfuric acid and sodium hydroxide, transfer tank (2) is arranged in centrifuge (1) station side；Transfer tank (2) is even
Have desalination water storage tank (12), and transfer tank (2) is connect with blend tank (3)；Blend tank (3) be connected with temperature regulating heat exchanger (13),
It adjusts the storage alkali tank (11) of pH and adjusts the desalination water storage tank (12) of sodium sulfate concentration, and blend tank (3) and coarse filter device (4) are even
It connects；Coarse filter device (4) is connect with fine filtering apparatus (5), and fine filtering apparatus (5) is connect with resin tower (6), and resin tower (6)
It is connect by circulating tank (8) with bipolar membrane device (7), forms an independent loops between circulating tank (8) and bipolar membrane device (7)
Access.
2. the environment-friendly cycle processing system of viscose glue waste liquid according to claim 1, it is characterised in that: the coarse filter device
It (4) is the bag filter in 10~15 μm of aperture, fine filtering apparatus (5) is the ultrafilter in 0.01~0.05 μm of aperture.
3. the environment-friendly cycle processing system of viscose glue waste liquid according to claim 1, it is characterised in that: the resin tower (6)
At least three, it is connect between resin tower (6) and resin tower (6) by pipeline, pipeline is equipped with valve (17) and zinc ion detects
Instrument (18).
4. the environment-friendly cycle processing system of viscose glue waste liquid according to claim 1 or 3, it is characterised in that: the resin tower
(6) resin, upper filter plate (603) and the lower filter plate (604) for including tower body (601) and being arranged in tower body (601), tower body (601)
Top is provided with inlet (605), and bottom is provided with liquid outlet (606)；Upper filter plate (603) is arranged on tower body (601) top, under
Filter plate (604), which is arranged between tower body (601) lower part, upper filter plate (603) and lower filter plate (604), forms filter chamber (602), and resin is set
It sets in filter chamber (602).
5. the environment-friendly cycle processing system of viscose glue waste liquid according to claim 4, it is characterised in that: the upper filter plate
(603), lower filter plate (604) is the filter plate with water distributing pore (607), is equipped with water distributor (608) at water distributing pore (607).
6. the environment-friendly cycle processing system of viscose glue waste liquid according to claim 1, it is characterised in that: the circulating tank (8)
Including tank body (801) and the vertical clapboard (802), upper cross plate (803) and the lower cross plate (804) that are arranged in tank body (801), vertical clapboard
(802) it is vertically provided in tank body (801), and is fixed on tank body (801) top and side, vertical clapboard (802) side and tank body
(801) inner wall forms back cavity (805), and the other side and tank body (801) inner wall form mixing chamber (806), vertical clapboard (802) end
Channel is formed between tank body (801) bottom interior wall；Refluxing opening (807) are equipped at the top of tank body (801), refluxing opening (807) with return
Chamber (805) connection is flowed, back cavity (805) top is equipped with overflow port (808), upper cross plate (803) are equipped with below overflow port (808),
Channel is formed between upper cross plate (803) end and vertical clapboard (802)；It is additionally provided with feed inlet (809), feeds at the top of tank body (801)
Mouth (809) is connected to mixing chamber (806), and mixing chamber (806) lower part is equipped with discharge port (810), is equipped with down below discharge port (810)
Transverse slat (804) forms channel between lower cross plate (804) end and vertical clapboard (802).
7. the environment-friendly cycle processing system of viscose glue waste liquid according to claim 1 or 6, it is characterised in that: the circulating tank
(8) include at least two-stage salt circulating tank (14), sour circulating tank (15) and alkali circulating tank (16), bipolar membrane device (7) is including extremely
Few two-stage membrane stack mechanism, salt circulating tank (14), sour circulating tank (15), alkali circulating tank (16) is corresponding with membrane stack mechanism series sets
It sets；
Salt circulating tank (14) feed inlet is connect with resin tower (6), and salt circulating tank (14) discharge port and membrane stack mechanism at the same level are into salt
Mouth connection, membrane stack mechanism salt outlet are connect with salt circulating tank (14) refluxing opening at the same level, salt circulating tank (14) and membrane stack at the same level
The access of an independent loops is formed between mechanism, and salt circulating tank (14) is connected with storage brine tank (9), salt circulating tank (14) overflow
Mouth is connect with next stage salt circulating tank (14) feed inlet；Salt circulating tank (14) overflow port of afterbody is connected with hydrochlorate separation dress
It sets (19), hydrochlorate separator (19) acid mouth is directly connected with the acid station acid storage tank in cellulose viscose manufacturing technique by pipeline
It connects, salt outlet is directly connect with transfer tank (2) by pipeline；
Sour circulating tank (15) connect with next stage acid circulating tank (15) overflow port, and sour circulating tank (15) feed inlet is connected with demineralized water
Storage tank (12), sour circulating tank (15) discharge port are connect with membrane stack mechanism acid inlet at the same level, membrane stack mechanism acid mouth and peer
Sour circulating tank (15) refluxing opening connection, forms the logical of an independent loops between sour circulating tank (15) and the membrane stack mechanism of peer
Road, sour circulating tank (15) overflow port are connected with reverse osmosis unit (20), reverse osmosis unit (20) concentrated acid outlet by pipeline directly with
Acid station acid storage tank connection in cellulose viscose manufacturing technique, the outlet of reverse osmosis unit (20) penetrating fluid is directly followed with acid by pipeline
Ring tank (15) connection；
Alkali circulating tank (16) is connect with next stage alkali circulating tank (16) overflow port, and alkali circulating tank (16) feed inlet is connected with demineralized water
Storage tank (12), alkali circulating tank (16) discharge port are connect with membrane stack mechanism alkali inlet at the same level, membrane stack mechanism alkali outlet and peer
The connection of alkali circulating tank (16) refluxing opening forms the logical of an independent loops between alkali circulating tank (16) and the membrane stack mechanism of peer
Road, alkali circulating tank (16) overflow port are connected with nanofiltration device (21), and nanofiltration device (21) filtrate port is directly fine with viscose glue by pipeline
Stoste storage tank connection in terylene short fiber production technology, nanofiltration device (21) concentrate mouth are directly connect with blend tank (3) by pipeline.
8. the environment-friendly cycle processing system of viscose glue waste liquid according to claim 7, it is characterised in that: membrane stack mechanism packet
Spaced diaphragm block (110) and diaphragm plate (120) are included, membrane stack mechanism two sides are diaphragm plate (120), the diaphragm plate of two sides
(120) it is connect respectively with pole plate (130)；Power interface (140), pole water inlet (150) and pole water is equipped on pole plate (130) to go out
Mouth (160), a pole plate (130) connect positive pole by power interface (140), another pole plate (130) is connect by power supply
Mouth (140) connects power cathode；
The diaphragm block (110) includes the multipair diaphragm overlapped and partition (111), each pair of diaphragm include cavity block (112),
Anode membrane (113) and Bipolar Membrane (114), diaphragm block (110) is according to Bipolar Membrane (114), partition (111), cavity block (112), partition
(111), the arrangement of anode membrane (113), partition (111) repeats to be arranged；Partition (111) one end is connected with into Yan Kou (170), acid inlet
(180) and alkali inlet (190), be respectively formed inside partition (111) into the channel Yan Kou (171), acid inlet channel (181) and into
Alkali mouth channel (191)；Partition (111) other end is connected with salt outlet (200), acid mouth (210) and alkali outlet (220), every
Salt outlet channel (201), acid mouth channel (211) and alkali outlet channel (221) are formed inside plate (111).
9. the environment-friendly cycle processing system of viscose glue waste liquid according to claim 8, it is characterised in that: the partition (111),
The both ends of Bipolar Membrane (114), cavity block (112) and anode membrane (113) are provided with multiple apertures (230), the aperture on partition (111)
(230) runner (240) are correspondingly arranged on.
10. the environment-friendly cycle processing system of viscose glue waste liquid according to claim 8, it is characterised in that: the pair of diaphragm
Be correspondingly arranged on a salt room (115), an acid compartment (116) and an alkaline chamber (117), corresponding one of a salt room (115) into
The channel Yan Kou (171) and a salt outlet channel (201)；One acid compartment (116) corresponds to an acid inlet channel (181) and one
Acid mouth channel (211)；One corresponding alkali inlet channel (191) of alkaline chamber (117) and an alkali outlet channel (221).
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109133448A (en) * | 2018-11-06 | 2019-01-04 | 宜宾海丝特纤维有限责任公司 | A kind of the environment-friendly cycle treatment process and system of viscose glue waste liquid |
| CN111484569A (en) * | 2020-05-29 | 2020-08-04 | 新疆中泰纺织集团有限公司 | Zero-emission treatment method of viscose squeezed alkali liquor |
| CN111636108A (en) * | 2020-06-08 | 2020-09-08 | 宜宾丝丽雅股份有限公司 | Titanium white liquid blending method for viscose fiber production |
| CN111803995A (en) * | 2020-07-31 | 2020-10-23 | 北京神州瑞霖环境技术研究院有限公司 | Natural evaporation crystallization system for acid bath discharge liquid reflux removal part and application |
| CN113800608A (en) * | 2021-09-10 | 2021-12-17 | 宜宾丝丽雅股份有限公司 | Control method and system for treating viscose waste liquid by using bipolar membrane applicable to spinning system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109133448A (en) * | 2018-11-06 | 2019-01-04 | 宜宾海丝特纤维有限责任公司 | A kind of the environment-friendly cycle treatment process and system of viscose glue waste liquid |
| CN109133448B (en) * | 2018-11-06 | 2023-08-25 | 宜宾海丝特纤维有限责任公司 | Circulating environment-friendly treatment process and system for viscose waste liquid |
| CN111484569A (en) * | 2020-05-29 | 2020-08-04 | 新疆中泰纺织集团有限公司 | Zero-emission treatment method of viscose squeezed alkali liquor |
| CN111636108A (en) * | 2020-06-08 | 2020-09-08 | 宜宾丝丽雅股份有限公司 | Titanium white liquid blending method for viscose fiber production |
| CN111803995A (en) * | 2020-07-31 | 2020-10-23 | 北京神州瑞霖环境技术研究院有限公司 | Natural evaporation crystallization system for acid bath discharge liquid reflux removal part and application |
| CN113800608A (en) * | 2021-09-10 | 2021-12-17 | 宜宾丝丽雅股份有限公司 | Control method and system for treating viscose waste liquid by using bipolar membrane applicable to spinning system |
| CN113800608B (en) * | 2021-09-10 | 2022-07-05 | 宜宾丝丽雅股份有限公司 | Control method and system for treating viscose waste liquid by using bipolar membrane applicable to spinning system |
| WO2023035288A1 (en) * | 2021-09-10 | 2023-03-16 | 宜宾丝丽雅股份有限公司 | Control method and system suitable for treating viscose waste liquid by means of bipolar membrane in spinning system |
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