CN109399834A - A kind of steel rolling pickling waste waters recycling treatment system and its method - Google Patents
A kind of steel rolling pickling waste waters recycling treatment system and its method Download PDFInfo
- Publication number
- CN109399834A CN109399834A CN201811560959.5A CN201811560959A CN109399834A CN 109399834 A CN109399834 A CN 109399834A CN 201811560959 A CN201811560959 A CN 201811560959A CN 109399834 A CN109399834 A CN 109399834A
- Authority
- CN
- China
- Prior art keywords
- rouge
- acid
- cation
- sago cycas
- resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002351 wastewater Substances 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000004064 recycling Methods 0.000 title claims abstract description 29
- 238000005554 pickling Methods 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 21
- 239000010959 steel Substances 0.000 title claims abstract description 21
- 238000005096 rolling process Methods 0.000 title claims abstract description 20
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 143
- 150000001768 cations Chemical class 0.000 claims abstract description 126
- 239000002253 acid Substances 0.000 claims abstract description 112
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 103
- 240000000163 Cycas revoluta Species 0.000 claims abstract description 98
- 235000008601 Cycas revoluta Nutrition 0.000 claims abstract description 98
- 239000011347 resin Substances 0.000 claims abstract description 69
- 229920005989 resin Polymers 0.000 claims abstract description 69
- 239000012528 membrane Substances 0.000 claims abstract description 40
- 241000040710 Chela Species 0.000 claims abstract description 36
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000001471 micro-filtration Methods 0.000 claims abstract description 29
- 239000003729 cation exchange resin Substances 0.000 claims abstract description 28
- 239000002562 thickening agent Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 64
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 238000005352 clarification Methods 0.000 claims description 13
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 230000008929 regeneration Effects 0.000 claims description 8
- 238000011069 regeneration method Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 239000008187 granular material Substances 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 229910021577 Iron(II) chloride Inorganic materials 0.000 claims description 4
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 239000013589 supplement Substances 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 238000005341 cation exchange Methods 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims 2
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 3
- 239000010802 sludge Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 11
- 229910001447 ferric ion Inorganic materials 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001448 ferrous ion Inorganic materials 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- -1 iron ion Chemical class 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- 235000014413 iron hydroxide Nutrition 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Abstract
The invention discloses a kind of steel rolling pickling waste waters recycling treatment system and its methods, it is related to wastewater purification correlative technology field, to solve the advanced treating in the prior art for being unfavorable for later period waste water, sludge yield is larger to cause secondary pollution, and the problem of result in waste of resources.The side of the wastewater disposal basin is provided with waste water pump, the side of the waste water pump is provided with tube microfiltration membrane device, the upper end of the tube microfiltration membrane device is provided with thickener, the side of the tube microfiltration membrane device is provided with chela and resin except sago cycas rouge cation bed, the side that the chela and resin remove sago cycas rouge cation bed is provided with the first macropore strong acid cation exchanger resin except sago cycas rouge cation bed, the first macropore strong acid cation exchanger resin is provided with the second macropore storng-acid cation exchange resin except sago cycas rouge cation bed except the side of sago cycas rouge cation bed, the second macropore storng-acid cation exchange resin is provided with hydrochloric acid reuse tank except the lower end of sago cycas rouge cation bed.
Description
Technical field
The present invention relates to wastewater purification correlative technology field, specially a kind of steel rolling pickling waste waters recycling treatment system
System and its method.
Background technique
Pickling is being cleaned, is being gone to metal when heating with acid before intermetallic composite coating to keep metal surface clean and tidy
Except technical process such as the oxide of attachment on the metal surface.The metal material taken out from pickling solution still adheres on surface residual
The pickling solution stayed, it is necessary to be rinsed with water, the flushing water being thus discharged is pickling waste waters.Pickling waste waters is in acidity, and acidity is about
0.5-2%, major pollutants Fe2+And Fe3+.Currently, the traditional wastewater treatment method of iron and steel enterprise is neutralized using lime
Method feeding lime and is subject to Air Exposure in pH adjustment tank, makes Fe2+Switch to for Fe3+, and pH is adjusted to 7-9, make Fe3+It generates
Hydroxide sediment.By adding coagulant, flocculation aid, the sedimentation effect of iron hydroxide is improved, is consolidated in sedimentation basin
Liquid separation.
Traditional treatment method is preferable to the removal effect of iron ion, but adding of agent higher cost, need to be in existing waste water
Additional addition ion, improves conductivity of waste water, is unfavorable for the advanced treating of later period waste water, sludge yield is larger to cause secondary dirt
Dye, and cause the waste of resource；Therefore a kind of steel rolling pickling waste waters recycling treatment system and its side are developed in market in urgent need
Method is existing to help people to solve the problems, such as.
Summary of the invention
It is above-mentioned to solve the purpose of the present invention is to provide a kind of steel rolling pickling waste waters recycling treatment system and its method
What is proposed in background technique is unfavorable for the advanced treating of later period waste water, and sludge yield is larger to cause secondary pollution, and causes
The problem of wasting of resources.
To achieve the above object, the invention provides the following technical scheme: a kind of steel rolling pickling waste waters recycling treatment system
And its method, including wastewater disposal basin, the side of the wastewater disposal basin be provided with waste water pump, it is micro- that the side of the waste water pump is provided with tubular type
Filter membrane device, the upper end of the tube microfiltration membrane device are provided with thickener, and the side of the tube microfiltration membrane device is provided with
Chela and resin remove sago cycas rouge cation bed, the chela and resin except the side of sago cycas rouge cation bed is provided with the first macropore strong acid cation
Exchanger resin removes sago cycas rouge cation bed, and the first macropore strong acid cation exchanger resin is provided with except the side of sago cycas rouge cation bed
Second macropore storng-acid cation exchange resin removes sago cycas rouge cation bed, and the second macropore storng-acid cation exchange resin removes iron
The lower end of resin cation bed is provided with hydrochloric acid reuse tank, the chela and resin except the other side of sago cycas rouge cation bed lower end is provided with sour meter
Measuring tank, the other side of the acid measuring tank are provided with hydrochloric acid pump, and the other side of the hydrochloric acid pump is provided with hydrochloric acid pond, the acid meter
The lower end of measuring tank side is provided with Acid injector, and the lower end of the Acid injector other side is provided with pure water pump, the pure water pump
The other side be provided with pure water pond.
Preferably, shell is provided on the tube microfiltration membrane device, the side of the shell upper end is equipped with inlet pipe, institute
The side for stating shell lower end is equipped with outlet pipe, and the lower end of the shell is equipped with bracket, the middle position installation of the shell
There is membrane tube.
Preferably, putamina is provided in the membrane tube, membraniferous wall is arranged in the inner surface of the putamina.
Preferably, output end and acid regeneration dress of the second macropore storng-acid cation exchange resin except sago cycas rouge cation bed
The input terminal connection set, the second macropore storng-acid cation exchange resin remove the output end and regeneration liquid waste of sago cycas rouge cation bed
The input terminal in pond connects.
Preferably, the wastewater disposal basin is connect with waste water pump by connecting pipe, and tee tube is provided in connecting pipe.
Preferably, the upper and lower ends that the chela and resin remove sago cycas rouge cation bed are provided with communicating pipe, and communicating pipe sets altogether
There are six setting, the first macropore strong acid cation exchanger resin is handed over except sago cycas rouge cation bed and the second macropore strong acid cation
Resin is changed except the upper and lower ends of sago cycas rouge cation bed are provided with communicating pipe, and there are six being arranged altogether communicating pipe, the chela and resin
Except sago cycas rouge cation bed, the first macropore strong acid cation exchanger resin are except sago cycas rouge cation bed and the friendship of the second macropore strong acid cation
Resin is changed except the size of sago cycas rouge cation bed is identical.
Preferably, the setting direction of the Acid injector is vertical direction, is provided with measuring line on the acid measuring tank.
Preferably, the diameter of the inlet pipe and the diameter of outlet pipe are identical, and the inlet pipe and outlet pipe are connect with case weld,
The bracket is connect with case weld, and there are two bracket settings, the membrane tube is provided with 12 altogether.
Preferably, the diameter of the membranous wall is equal to the interior diameter of putamina, and the length of the membranous wall is equal to the length of putamina.
A kind of working method, includes the following steps:
S1: waste water is discharged into the wastewater disposal basin, carries out temporarily storage and next step purified treatment；
S2: the waste water in the wastewater disposal basin is entered in the tube microfiltration membrane device by waste water pump pressurization to be filtered,
After tube microfiltration membrane device filtering, bronzing suspended matter and various granule foreigns in waste water are removed, and water outlet becomes clear
Clearly, but it is discharged the inclined yellow green of color；
S3: the hydrochloric acid in pure water and the hydrochloric acid pond in the pure water pond is after the pure water pump and hydrochloric acid pump pumping
Into in the Acid injector, wherein hydrochloric acid is first pumped into the control for carrying out hydrochloric acid content in the sour measuring tank by hydrochloric acid pump
System；
S4: clear water outlet removes sago cycas rouge cation bed by the chela and resin, and pure water and hydrochloric acid are injected by the Acid injector
The chela and resin are except in sago cycas rouge cation bed, the chela and resin are except sago cycas rouge cation bed is under the reaction and rinsing of hydrochloric acid and pure water
Fe in adsorption clarification water outlet3+, and FeCl is discharged3Solution, recycling hydrochloric acid and rinse water；
S5: the clarification and effluent tentatively adsorbed removes sago cycas rouge cation bed and institute by the first macropore strong acid cation exchanger resin
The second macropore storng-acid cation exchange resin is stated except sago cycas rouge cation bed, pure water and hydrochloric acid are successively injected by the Acid injector
The first macropore strong acid cation exchanger resin removes sago cycas rouge cation bed and the second macropore strongly acidic cation exchange tree
Rouge is except the Fe in sago cycas rouge cation bed, under the reaction and rinsing of hydrochloric acid and pure water in adsorption clarification water outlet2+, and FeCl is discharged2It is molten
Liquid, recycling hydrochloric acid and rinse water；
S6: treated FeCl2And FeCl3Solution enters in the acid regeneration device, roasting oxidation iron powder；
S7: recycling hydrochloric acid solution enters in the hydrochloric acid reuse tank, and can supplement the hydrochloric acid in the hydrochloric acid pond；
S8: pure water in the pure water pond to the chela and resin except sago cycas rouge cation bed, the first macropore strong acid sun from
Sub-exchange resin is removed after sago cycas rouge cation bed rinses and is mixed except sago cycas rouge cation bed and the second macropore storng-acid cation exchange resin
Enter impurity, flows into the regenerated liquid pool and handled again.
Compared with prior art, the beneficial effects of the present invention are:
1, after first the acid waste water of steel rolling pickling unit being collected in the invention, impurity is removed by membrane filtration system, ion is handed over
The metal ion in system removal acid waste water is changed, treated, and dilute hydrochloric acid recycling is used as the eo-acid of acid cleaning process, this acid
Property waste water reclaiming processing method both avoided the processing cost and disposal of pollutants of original waste water, while by the hydrochloric acid in waste water
Turn waste into wealth with after separation of metal ions, it is recycled as new resources of production, realizes pollutant resourcesization circulation
The purpose utilized.
2, the invention passes through the setting of tube microfiltration membrane device, is not easy dirty stifled, it is only necessary to which it is clear to carry out chemistry to membranous system
It washes, high degree of automation, process is simple, and pipe valve device is fewer, and workload is small.
3, the invention passes through the setting of tube microfiltration membrane device, and the bronzing suspended matter and various particles in removal waste water are miscellaneous
Matter, water outlet become clarification, and tube microfiltration membrane device uses PP tube microfiltration membrane device, and filtering accuracy is 0.2 micron, have high-strength
The advantages of degree, acid and alkali-resistance.
4, the invention is by chela and resin except sago cycas rouge cation bed, the first macropore strong acid cation exchanger resin are except sago cycas rouge
Cation bed and the second macropore storng-acid cation exchange resin remove the setting of sago cycas rouge cation bed, and filtering water outlet removes sago cycas through chela and resin
Rouge cation bed removes the ferric ion in waste water, then through the first macropore strong acid cation exchanger resin except sago cycas rouge cation bed and the
Two macropore strong acid cation exchanger resins are discharged full iron≤10mg/ except the ferrous ion in sago cycas rouge cation bed removal waste water
L, the recyclable eo-acid for doing acid cleaning process use.
Detailed description of the invention
Fig. 1 is the main view of a kind of steel rolling pickling waste waters recycling treatment system of the invention and its method；
Fig. 2 is the structural schematic diagram of tube microfiltration membrane device of the invention；
Fig. 3 is the main view of membrane tube of the invention；
Fig. 4 is the process flow chart of a kind of steel rolling pickling waste waters recycling treatment system of the invention and its method.
In figure: 1, wastewater disposal basin；2, waste water pump；3, tube microfiltration membrane device；4, thickener；5, chela and resin are except sago cycas rouge sun
Bed；6, the first macropore strong acid cation exchanger resin removes sago cycas rouge cation bed；7, the second macropore storng-acid cation exchange resin
Except sago cycas rouge cation bed；8, hydrochloric acid reuse tank；9, sour measuring tank；10, hydrochloric acid pumps；11, hydrochloric acid pond；12, pure water pump；13, pure water pond；
14, inlet pipe；15, shell；16, outlet pipe；17, bracket；18, membrane tube；19, membranous wall；20, putamina；21, Acid injector；22, acid regeneration
Device；23, regenerated liquid pool.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Please refer to Fig. 1-4, a kind of embodiment provided by the invention: a kind of steel rolling pickling waste waters recycling treatment system and its
Method, including wastewater disposal basin 1, the side of wastewater disposal basin 1 are provided with waste water pump 2, and the side of waste water pump 2 is provided with tube microfiltration membrane device
3,1 sets of 12 films, 2 one group, every group of processing capacity is 4m3/ h, using PP tube microfiltration membrane, filtering accuracy is 0.2 micron, tool
There is the advantages of high-intensitive, acid and alkali-resistance, the upper end of tube microfiltration membrane device 3 is provided with thickener 4, and the one of tube microfiltration membrane device 3
Side is provided with chela and resin except sago cycas rouge cation bed 5, and separate unit processing capacity is 20m3/ h, chela and resin adsorb ferric ion, circle
Shape white solid adsorbent, equal grain 0.61mm(+/- 0.05), it is applicable in PH range 0~14, adaptive temperature range: -20~40 DEG C,
Regenerate every liter of resin of HCl dosage 150g/l(and consume 100% hydrochloric acid content), chela and resin are provided with first except the side of sago cycas rouge cation bed 5
Macropore strong acid cation exchanger resin removes sago cycas rouge cation bed 6, and separate unit processing capacity is 20m3/ h, the first macropore strong acid sun from
Sub-exchange resin removes sago cycas rouge cation bed 7 except the side of sago cycas rouge cation bed 6 is provided with the second macropore storng-acid cation exchange resin,
Separate unit processing capacity is 20m3/ h, adsorbable iron ion, round beige solid, equal grain 0.65mm(+/- 0.05), it is applicable in PH model
0~14 is enclosed, adaptive temperature range: -20~40 DEG C, regenerating HCl dosage 100g/l, the second macropore storng-acid cation exchange resin
Except the lower end of sago cycas rouge cation bed 7 is provided with hydrochloric acid reuse tank 8, chela and resin except the other side of 5 lower end of sago cycas rouge cation bed is provided with
Sour measuring tank 9, carries out the control for being discharged into acid amount, and the other side of sour measuring tank 9 is provided with hydrochloric acid pump 10, pressurizes to hydrochloric acid, make it
Certain acceleration is kept to advance, the other side of hydrochloric acid pump 10 is provided with hydrochloric acid pond 11, and the lower end of sour 9 side of measuring tank is provided with
Acid injector 21, hydrochloric acid and pure water are ejected, and the lower end of 21 other side of Acid injector is provided with pure water pump 12, pure water pump 12
The other side be provided with pure water pond 13.
Further, shell 15 is provided on tube microfiltration membrane device 3, the side of 15 upper end of shell is equipped with inlet pipe 14, shell
The side of 15 lower end of body is equipped with outlet pipe 16, and the lower end of shell 15 is equipped with bracket 17, and the middle position of shell 15 is equipped with
Membrane tube 18 removes bronzing suspended matter and various granule foreigns in waste water.
Further, putamina 20 is provided in membrane tube 18, membraniferous wall 19 is arranged in the inner surface of putamina 20.
Further, output end and acid regeneration device of the second macropore storng-acid cation exchange resin except sago cycas rouge cation bed 7
22 input terminal connection, output end and regenerated liquid pool of the second macropore storng-acid cation exchange resin except sago cycas rouge cation bed 7
23 input terminal connection.
Further, wastewater disposal basin 1 is connect with waste water pump 2 by connecting pipe, and tee tube is provided in connecting pipe.
Further, the upper and lower ends that chela and resin remove sago cycas rouge cation bed 5 are provided with communicating pipe, and communicating pipe is provided with altogether
Six, the first macropore strong acid cation exchanger resin removes sago cycas rouge cation bed 6 and the second macropore storng-acid cation exchange resin
Except the upper and lower ends of sago cycas rouge cation bed 7 are provided with communicating pipe, and there are six being arranged altogether communicating pipe, chela and resin are except sago cycas rouge sun
The 5, first macropore strong acid cation exchanger resin of bed is removed except sago cycas rouge cation bed 6 and the second macropore storng-acid cation exchange resin
The size of sago cycas rouge cation bed 7 is identical, undertakes removal Fe respectively2+And Fe3+Function.
Further, the setting direction of Acid injector 21 is vertical direction, is sprayed, is provided with upwards on sour measuring tank 9
Measuring line controls the input of acid.
Further, the diameter of inlet pipe 14 is identical as the diameter of outlet pipe 16, keeps the equalization of discrepancy amount, keeps purification speed equal
Even, inlet pipe 14 and outlet pipe 16 are welded to connect with shell 15, and bracket 17 and shell 15 are welded to connect, and bracket 17 is provided with two
A, membrane tube 18 is provided with 12 altogether.
Further, the diameter of membranous wall 19 is equal to the interior diameter of putamina 20, and the length of membranous wall 19 is equal to the length of putamina 20.
A kind of working method, includes the following steps:
S1: waste water is discharged into wastewater disposal basin 1, carries out temporarily storage and next step purified treatment；
S2: the waste water in wastewater disposal basin 1 is entered in tube microfiltration membrane device 3 by the pressurization of waste water pump 2 to be filtered, through tubular type micro-filtration
After film device 3 filters, bronzing suspended matter and various granule foreigns in waste water are removed, and water outlet becomes clarification, but is discharged color
The impurity of inclined yellow green, the inside is removed, Fe2+And Fe3+The presence of equal metal ions makes to be discharged the inclined yellow green of color presentation；
S3: the hydrochloric acid in pure water and hydrochloric acid pond 11 in pure water pond 13 enters acid spray after 10 pumping of pure water pump 12 and hydrochloric acid pump
In emitter 21, wherein hydrochloric acid is first pumped into the control that hydrochloric acid content is carried out in sour measuring tank 9 by hydrochloric acid pump 10, adds suitable dose
Hydrochloric acid, chela and resin remove sago cycas rouge cation bed 6 and second largest except sago cycas rouge cation bed 5 and the first macropore strong acid cation exchanger resin
Hole storng-acid cation exchange resin is different except the hydrochloric acid content that sago cycas rouge cation bed 7 needs, by sour measuring tank 9 first to hydrochloric acid content into
It participates in reacting again after row control；
S4: clear water outlet removes sago cycas rouge cation bed 5 by chela and resin, and pure water and hydrochloric acid are injected into chela and tree by Acid injector 21
Rouge is except in sago cycas rouge cation bed 5, chela and resin are except adsorption clarification is discharged sago cycas rouge cation bed 5 under the reaction and rinsing of hydrochloric acid and pure water
In Fe3+, and FeCl is discharged3Solution, recycling hydrochloric acid and rinse water,
Fe3++3HCL-------->FeCl3+3H+；
S5: the clarification and effluent tentatively adsorbed removes sago cycas rouge cation bed 6 and second by the first macropore strong acid cation exchanger resin
Macropore strong acid cation exchanger resin removes sago cycas rouge cation bed 7, and pure water and hydrochloric acid are successively injected into first greatly by Acid injector 21
Hole storng-acid cation exchange resin removes sago cycas rouge cation bed except sago cycas rouge cation bed 6 and the second macropore storng-acid cation exchange resin
Fe in 7, under the reaction and rinsing of hydrochloric acid and pure water in adsorption clarification water outlet2+, and FeCl is discharged2Solution, recycling hydrochloric acid and
Rinse water,
Fe2++2HCL-------->FeCl2+2H+；
S6: treated FeCl2And FeCl3Solution enters in acid regeneration device 22, roasting oxidation iron powder；
S7: recycling hydrochloric acid solution enters in hydrochloric acid reuse tank 8, and can supplement the hydrochloric acid in hydrochloric acid pond 11, is discharged full iron≤10mg/
L, the recyclable eo-acid for doing acid cleaning process use；
S8: the pure water in pure water pond 13 is removing sago cycas rouge cation bed 5, the first macropore strong acid cation exchanger resin to chela and resin
It is mixed into impurity after rinsing except sago cycas rouge cation bed 6 and the second macropore storng-acid cation exchange resin except sago cycas rouge cation bed 7, is flowed into again
It is handled again in raw waste liquid pool 23, Quan Tie >=20mg/L, suspended matter≤1000mg/L, not can be carried out use or directly row
It puts, needs to carry out processing again.
Working principle: in use, waste water is stored in wastewater disposal basin 1 by pipeline, waste water pump 2 is pressurized into waste water
In tube microfiltration membrane device 3, tube microfiltration membrane device 3 removes the bronzing suspended matter and various granule foreigns in waste water, water outlet
Become clarification, but be discharged the inclined yellow green of color, mainly contains Fe2+And Fe3+, suspended solid is all trapped in mixed liquor, concentrate
Return to thickener 4, to reduce to the supplement of system waste water, convenient for the continuous operation of system, clear water outlet pass sequentially through chela and
Resin is except sago cycas rouge cation bed 5, the first macropore strong acid cation exchanger resin are except sago cycas rouge cation bed 6 and the second macropore strong acid sun
Ion exchange resin removes sago cycas rouge cation bed 7, filtering water outlet through chela and resin except sago cycas rouge cation bed 5 remove the ferric iron in waste water from
Son, then sago cycas rouge cation bed 6 and the second macropore strongly acidic cation exchange tree are removed through the first macropore strong acid cation exchanger resin
Rouge removes the ferrous ion in waste water except sago cycas rouge cation bed 7, after ion exchange resin treatment, water colorless out, by waste water
In cation removal, wherein be discharged full iron≤10mg/L, a part, which discharges into can be recycled in hydrochloric acid reuse tank 8, does acid cleaning process
Eo-acid use.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (10)
1. a kind of steel rolling pickling waste waters recycling treatment system and its method, including wastewater disposal basin (1), it is characterised in that: described useless
The side in pond (1) is provided with waste water pump (2), and the side of the waste water pump (2) is provided with tube microfiltration membrane device (3), described
The upper end of tube microfiltration membrane device (3) is provided with thickener (4), the side of the tube microfiltration membrane device (3) be provided with chela and
Resin removes sago cycas rouge cation bed (5), the chela and resin except the side of sago cycas rouge cation bed (5) be provided with the first macropore strong acid sun from
Sub-exchange resin removes sago cycas rouge cation bed (6), and the first macropore strong acid cation exchanger resin removes the one of sago cycas rouge cation bed (6)
Side is provided with the second macropore storng-acid cation exchange resin except sago cycas rouge cation bed (7), second macropore strong acid cation
Exchanger resin is provided with hydrochloric acid reuse tank (8) except the lower end of sago cycas rouge cation bed (7), and the chela and resin remove sago cycas rouge cation bed (5)
The other side of lower end is provided with sour measuring tank (9), and the other side of the acid measuring tank (9) is provided with hydrochloric acid pump (10), the salt
The other side of acid pump (10) is provided with hydrochloric acid pond (11), and the lower end of described acid measuring tank (9) side is provided with Acid injector (21),
The lower end of Acid injector (21) other side is provided with pure water pump (12), and the other side of the pure water pump (12) is provided with pure water
Pond (13).
2. a kind of steel rolling pickling waste waters recycling treatment system according to claim 1 and its method, it is characterised in that: institute
It states and is provided on tube microfiltration membrane device (3) shell (15), the side of shell (15) upper end is equipped with inlet pipe (14), described
The side of shell (15) lower end is equipped with outlet pipe (16), and the lower end of the shell (15) is equipped with bracket (17), the shell
(15) middle position is equipped with membrane tube (18).
3. a kind of steel rolling pickling waste waters recycling treatment system according to claim 2 and its method, it is characterised in that: institute
It states and is provided on membrane tube (18) putamina (20), membraniferous wall (19) are arranged in the inner surface of the putamina (20).
4. a kind of steel rolling pickling waste waters recycling treatment system according to claim 1 and its method, it is characterised in that: institute
The second macropore storng-acid cation exchange resin is stated except the output end of sago cycas rouge cation bed (7) and the input terminal of acid regeneration device (22)
Connection, output end and regenerated liquid pool (23) of the second macropore storng-acid cation exchange resin except sago cycas rouge cation bed (7)
Input terminal connection.
5. a kind of steel rolling pickling waste waters recycling treatment system according to claim 1 and its method, it is characterised in that: institute
It states wastewater disposal basin (1) and is connect with waste water pump (2) by connecting pipe, and be provided with tee tube in connecting pipe.
6. a kind of steel rolling pickling waste waters recycling treatment system according to claim 1 and its method, it is characterised in that: institute
Chela and resin are stated except the upper and lower ends of sago cycas rouge cation bed (5) are provided with communicating pipe, and there are six being arranged altogether communicating pipe, described the
One macropore strong acid cation exchanger resin removes sago cycas except sago cycas rouge cation bed (6) and the second macropore storng-acid cation exchange resin
The upper and lower ends of rouge cation bed (7) are provided with communicating pipe, and there are six being arranged altogether communicating pipe, and the chela and resin are except sago cycas rouge sun
Bed (5), the first macropore strong acid cation exchanger resin remove sago cycas rouge cation bed (6) and the second macropore strongly acidic cation exchange tree
Rouge is identical except the size of sago cycas rouge cation bed (7).
7. a kind of steel rolling pickling waste waters recycling treatment system according to claim 1 and its method, it is characterised in that: institute
The setting direction for stating Acid injector (21) is vertical direction, is provided with measuring line on the acid measuring tank (9).
8. a kind of steel rolling pickling waste waters recycling treatment system according to claim 2 and its method, it is characterised in that: institute
The diameter for stating inlet pipe (14) is identical as the diameter of outlet pipe (16), and the inlet pipe (14) and outlet pipe (16) are welded with shell (15) and connected
It connects, the bracket (17) and shell (15) are welded to connect, and there are two bracket (17) settings, the membrane tube (18) is provided with ten altogether
Two.
9. a kind of steel rolling pickling waste waters recycling treatment system according to claim 3 and its method, it is characterised in that: institute
The diameter for stating membranous wall (19) is equal to the interior diameter of putamina (20), and the length of the membranous wall (19) is equal to the length of putamina (20).
10. a kind of working method described in -9 according to claim 1, which comprises the steps of:
S1: waste water is discharged into the wastewater disposal basin (1), carries out temporarily storage and next step purified treatment；
S2: the waste water in the wastewater disposal basin (1) is entered in the tube microfiltration membrane device (3) by the waste water pump (2) pressurization
It is filtered, after the tube microfiltration membrane device (3) filtering, bronzing suspended matter and various granule foreigns in waste water are gone
It removes, water outlet becomes clarification, but is discharged the inclined yellow green of color；
S3: the hydrochloric acid in pure water and the hydrochloric acid pond (11) in the pure water pond (13) is by the pure water pump (12) and described
Hydrochloric acid enters in the Acid injector (21) after pumping (10) pumping, wherein hydrochloric acid is first pumped into the acid by hydrochloric acid pump (10)
The control of hydrochloric acid content is carried out in measuring tank (9)；
S4: clear water outlet removes sago cycas rouge cation bed (5) by the chela and resin, and the Acid injector (21) is by pure water and hydrochloric acid
The chela and resin are injected into except in sago cycas rouge cation bed (5), the chela and resin are except sago cycas rouge cation bed (5) is in hydrochloric acid and pure water
Fe in reaction and the lower adsorption clarification water outlet of rinsing3+, and FeCl is discharged3Solution, recycling hydrochloric acid and rinse water；
S5: the clarification and effluent tentatively adsorbed removes sago cycas rouge cation bed (6) by the first macropore strong acid cation exchanger resin
Sago cycas rouge cation bed (7) is removed with the second macropore storng-acid cation exchange resin, the Acid injector (21) is by pure water and salt
Acid is successively injected into the first macropore strong acid cation exchanger resin except sago cycas rouge cation bed (6) and second large porous strong acid
Property cation exchange resin except in sago cycas rouge cation bed (7), under the reaction and rinsing of hydrochloric acid and pure water in adsorption clarification water outlet
Fe2+, and FeCl is discharged2Solution, recycling hydrochloric acid and rinse water；
S6: treated FeCl2And FeCl3Solution enters in the acid regeneration device (22), roasting oxidation iron powder；
S7: recycling hydrochloric acid solution enters in the hydrochloric acid reuse tank (8), and can supplement the hydrochloric acid in the hydrochloric acid pond (11)；
S8: the pure water in the pure water pond (13) is removing sago cycas rouge cation bed (5), first large porous strong acid to the chela and resin
Property cation exchange resin except sago cycas rouge cation bed (6) and the second macropore storng-acid cation exchange resin are except sago cycas rouge cation bed
(7) it is mixed into impurity after rinsing, flows into the regenerated liquid pool (23) and is handled again.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811560959.5A CN109399834A (en) | 2018-12-20 | 2018-12-20 | A kind of steel rolling pickling waste waters recycling treatment system and its method |
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| CN201811560959.5A CN109399834A (en) | 2018-12-20 | 2018-12-20 | A kind of steel rolling pickling waste waters recycling treatment system and its method |
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ID=65460250
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117361696A (en) * | 2022-06-27 | 2024-01-09 | 中国石油天然气股份有限公司 | Sewage pretreatment device and method |
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