CN110436721A - A kind of metal surface pickling sludge and spent acid comprehensive processing technique - Google Patents
A kind of metal surface pickling sludge and spent acid comprehensive processing technique Download PDFInfo
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- CN110436721A CN110436721A CN201910738347.9A CN201910738347A CN110436721A CN 110436721 A CN110436721 A CN 110436721A CN 201910738347 A CN201910738347 A CN 201910738347A CN 110436721 A CN110436721 A CN 110436721A
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- sludge
- kettle
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- acid
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- 239000010802 sludge Substances 0.000 title claims abstract description 70
- 239000002253 acid Substances 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 25
- 239000002184 metal Substances 0.000 title claims abstract description 21
- 238000005554 pickling Methods 0.000 title claims abstract description 15
- 238000012545 processing Methods 0.000 title claims abstract description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000000243 solution Substances 0.000 claims abstract description 21
- 239000000706 filtrate Substances 0.000 claims abstract description 18
- 238000001556 precipitation Methods 0.000 claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 11
- 239000002699 waste material Substances 0.000 claims abstract description 10
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 239000011133 lead Substances 0.000 claims abstract description 6
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 6
- 239000011701 zinc Substances 0.000 claims abstract description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 4
- 239000011265 semifinished product Substances 0.000 claims abstract description 4
- 239000012670 alkaline solution Substances 0.000 claims abstract 2
- 238000010521 absorption reaction Methods 0.000 claims description 23
- 238000006243 chemical reaction Methods 0.000 claims description 22
- 239000007789 gas Substances 0.000 claims description 16
- 239000004744 fabric Substances 0.000 claims description 15
- 239000002912 waste gas Substances 0.000 claims description 15
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 8
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 claims description 7
- 239000000047 product Substances 0.000 claims description 7
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 4
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 4
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims description 3
- 238000004090 dissolution Methods 0.000 claims description 3
- 239000012065 filter cake Substances 0.000 claims description 3
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000012295 chemical reaction liquid Substances 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 9
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 239000002910 solid waste Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 238000005660 chlorination reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/06—Ferric oxide [Fe2O3]
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of metal surface pickling sludge and spent acid comprehensive processing techniques, include the following steps: S1, waste hydrochloric acid, concentrated hydrochloric acid are pumped into according to a certain percentage in Treatment of Sludge kettle, the spent acid sludge that a certain amount of Treatment of Metal Surface generates then is added into Treatment of Sludge kettle；Contain the metallic elements such as iron, lead, zinc in S2, spent acid sludge；Solution in S3, Treatment of Sludge kettle is pumped into neutralization precipitation kettle, and a certain proportion of alkaline solution is added into neutralization precipitation kettle, adjusts pH value, it is slow added into the sulfide precipitation agent measured, after adding, continues to be stirred to react a period of time, generate sulfide precipitation object.S4, compressor compression filter plate is opened, filter plate starts to feed, material is pumped into plate and frame filter press, maintains certain pressure, it is spare that filtrate is pumped into semi-finished product tank after compressing；Filtrate recyclable device and sludge conveying device is equipped with below S5, plate and frame filter press to unclamp filter press after sheet frame sludge pressure is full, pull open filter plate.
Description
Technical field
The invention belongs to chemical production technical fields, and in particular to a kind of metal surface pickling sludge and spent acid integrated treatment
Technique.
Background technique
The fast development of metal finishing industry is but also surrounding enviroment deterioration, affects production, the life of local resident
It is living.The pickling Heavy Metal Level In Sludge that metal finishing industry production process generates is higher, and processing difficulty is big, all the time
Suitable method of disposal is not found, is caused serious provincial characteristics environmental pollution, is constrained the row to a certain extent yet
The further development of industry.
Nantong Area spent acid and pickling sludge treatment are solved the problems, such as to be effective.By in laboratory research and industrialization
Trial production, has been realized in innoxious, the recycling of spent acid sludge.After the series reactions such as acid-base neutralization, redox,
Separation of heavy metal ions in spent acid sludge is come out, frerrous chloride flocculant product is obtained.Work not only may be implemented in technique
The recycling of the elements such as iron, lead, zinc in industry solid waste realizes solid waste resource circulation utilization, and can be regional economy environment
Development provides strong support.
For this purpose, it is proposed that a kind of metal surface pickling sludge and spent acid comprehensive processing technique and its application method, with solution
The problem of being mentioned in certainly above-mentioned background technique.
Summary of the invention
It is above-mentioned to solve the purpose of the present invention is to provide a kind of metal surface pickling sludge and spent acid comprehensive processing technique
The problem of being proposed in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of metal surface pickling sludge and spent acid are comprehensive
Treatment process includes the following steps:
S1, waste hydrochloric acid, concentrated hydrochloric acid are pumped into according to a certain percentage in Treatment of Sludge kettle, are then added into Treatment of Sludge kettle
The spent acid sludge that a certain amount of Treatment of Metal Surface generates adds low-concentration waste acid after reacting one end time, until spent acid dirt
Mud is completely dissolved, and the sludge that can not be dissolved is filtered to remove by diagrid；
Containing metallic elements such as iron, lead, zinc in S2, spent acid sludge, for spent acid sludge during dissolution, there are part salt
Acid volatilization, is collected, and be transported to waste gas absorption unit by blower and handled by the gas gathering mask on Treatment of Sludge kettle, removes chlorination
Hydrogen, the tail gas of emission compliance；
Solution in S3, Treatment of Sludge kettle is pumped into neutralization precipitation kettle, and a certain proportion of alkalinity is added into neutralization precipitation kettle
Solution adjusts pH value, is slow added into the sulfide precipitation agent measured, after adding, continues to be stirred to react a period of time,
It generates sulfide precipitation object and opens the bottom valve of stillpot after reaction, whole materials are squeezed into plate and frame filter press, reaction process
A small amount of hydrogen sulfide gas can be overflowed, exhaust gas is evacuated to by exhaust gas treatment unit by blower and is handled；
S4, compressor compression filter plate is opened, filter plate starts to feed after compressing, and material is pumped into plate and frame filter press, maintains one
Fixed pressure, filtrate are pumped into that semi-finished product tank is spare, and storage tank has the hydrogen chloride and hydrogen sulfide waste gas to volatilize on a small quantity, after collecting
Into waste gas absorption cell processing；
Filtrate recyclable device and sludge conveying device is equipped with below S5, plate and frame filter press to unclamp after sheet frame sludge pressure is full
Filter press, pulls open filter plate, and residue filtrate circulation returns in reaction kettle not outlet, falls to be attached to the dirt on filter cloth with mud shovel shovel
Mud, the sheet frame sludge shoveled are transported in transport wagon box by conveyer belt, and pack is sealed up for safekeeping, and frerrous chloride filtrate squeezes into holding vessel
It is interior, and waste gas recovery is done to the storage pad of lead zinc mud；
Concentrated acid salt is added for S6, the frerrous chloride prepared to S5 and anhydrous ferric chloride passes through oxidation processes, is made another and produces
Product iron oxide.
Preferably, the Treatment of Sludge kettle is closed tank body, the stirring rod of the driving rotation equipped with motor, reaction in kettle
When stirring rod to mixed solution stir, to accelerate reaction rate.
Preferably, the waste gas absorption unit is made of two film-falling absorption towers and three circulating absorption towers, and falling liquid film is inhaled
It receives tower and absorbs the obtained acid solution of sour gas, generate acid solution and flow back into Treatment of Sludge kettle again, realize and recycle, follow
Ring absorption tower removes film-falling absorption tower using acid-base neutralization principle and does not absorb thorough sour gas.
Preferably, the plate and frame filter press is used for the separation of solid and liquid, and isolated basic principle is that mixed liquor flows through
Filter cloth, solid retention is on filter cloth, and gradually accumulation forms filter cake on filter cloth.And filtrate portion then permeation filtration
Cloth becomes the clear liquid without solid.
Compared with prior art, the beneficial effects of the present invention are: a kind of metal surface pickling sludge provided by the invention and
Spent acid comprehensive processing technique, major technique is broken through and innovative point is spent acid and sludge cooperative disposal, without industrial wastewater discharge, substitution
Sludge incineration and landfill, the resource product turned waste into wealth meet professional standard, disposition service charge and resource product formed it is more
Head income, low energy consumption for the technical solution, realizes solid waste resource circulation utilization, has good environmental benefit and social benefit,
Project technique waste water zero-emission, the ground flushing water generated in production process and the equal reuse of initial rainwater are to production process.
Detailed description of the invention
Fig. 1 is system flow schematic diagram of the invention.
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.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
The present invention provides a kind of metal surface pickling sludge of such as Fig. 1 and spent acid comprehensive processing techniques, including walk as follows
It is rapid:
S1, waste hydrochloric acid, concentrated hydrochloric acid are pumped into according to a certain percentage in Treatment of Sludge kettle, are then added into Treatment of Sludge kettle
The spent acid sludge that a certain amount of Treatment of Metal Surface generates adds low-concentration waste acid after reacting one end time, until spent acid dirt
Mud is completely dissolved, and the sludge that can not be dissolved is filtered to remove by diagrid；
Containing metallic elements such as iron, lead, zinc in S2, spent acid sludge, for spent acid sludge during dissolution, there are part salt
Acid volatilization, is collected, and be transported to waste gas absorption unit by blower and handled by the gas gathering mask on Treatment of Sludge kettle, removes chlorination
Hydrogen, the tail gas of emission compliance；
Solution in S3, Treatment of Sludge kettle is pumped into neutralization precipitation kettle, and a certain proportion of alkalinity is added into neutralization precipitation kettle
Solution adjusts pH value, is slow added into the sulfide precipitation agent measured, after adding, continues to be stirred to react a period of time,
It generates sulfide precipitation object and opens the bottom valve of stillpot after reaction, whole materials are squeezed into plate and frame filter press, reaction process
A small amount of hydrogen sulfide gas can be overflowed, exhaust gas is evacuated to by exhaust gas treatment unit by blower and is handled；
S4, compressor compression filter plate is opened, filter plate starts to feed after compressing, and material is pumped into plate and frame filter press, maintains one
Fixed pressure, filtrate are pumped into that semi-finished product tank is spare, and storage tank has the hydrogen chloride and hydrogen sulfide waste gas to volatilize on a small quantity, after collecting
Into waste gas absorption cell processing；
Filtrate recyclable device and sludge conveying device is equipped with below S5, plate and frame filter press to unclamp after sheet frame sludge pressure is full
Filter press, pulls open filter plate, and residue filtrate circulation returns in reaction kettle not outlet, falls to be attached to the dirt on filter cloth with mud shovel shovel
Mud, the sheet frame sludge shoveled are transported in transport wagon box by conveyer belt, and pack is sealed up for safekeeping, and frerrous chloride filtrate squeezes into holding vessel
It is interior, and waste gas recovery is done to the storage pad of lead zinc mud；
Concentrated acid salt is added for S6, the frerrous chloride prepared to S5 and anhydrous ferric chloride passes through oxidation processes, is made another and produces
Product iron oxide.
Further, the Treatment of Sludge kettle is closed tank body, the stirring rod of the driving rotation equipped with motor in kettle, instead
Seasonable stirring rod stirs mixed solution, to accelerate reaction rate.
Further, the waste gas absorption unit is made of two film-falling absorption towers and three circulating absorption towers, falling liquid film
Absorption tower absorbs sour gas and acid solution is made, and generates acid solution and flows back into Treatment of Sludge kettle again, realizes and recycle,
Circulating absorption tower removes film-falling absorption tower using acid-base neutralization principle and does not absorb thorough sour gas.
Further, the plate and frame filter press is used for the separation of solid and liquid, and isolated basic principle is to mix liquid stream
Through filter cloth, solid retention is on filter cloth, and gradually accumulation forms filter cake on filter cloth.And filtrate portion then permeation filtration
Cloth becomes the clear liquid without solid.
In conclusion compared with prior art, originally with Treatment of Metal Surface spent acid sludge etc. for primary raw material, according to production
It needs to be pumped into pretreatment reaction kettle after adjusting waste hydrochloric acid and concentrated hydrochloric acid to a certain concentration, be added at a certain amount of metal surface
Sludge is managed, reaction a period of time adds low-concentration waste acid reaction.Sampling and testing adds quantitative iron powder also according to test result
Former ferric iron is to zero.Then pretreatment fluid after up to standard adds the sodium sulfide solution of metering except lead zinc is first with liquid alkaline adjusting PH
Reaction solution is separated by solid-liquid separation by reaction sedimentation heavy metal ion when Pb, Zn content is up to standard in liquid in reaction solution through sheet frame,
The lead zinc mud in solution is removed, filtrate is sent to products pot and stored.The technological process of production includes the reaction of spent acid sludge pretreatment, except lead
Zinc reaction, plate compression, byproduct lead zinc mud storage frerrous chloride enter tank storage, and low energy consumption for the technical solution, realizes solid waste
Resource circulation utilization, has good environmental benefit and social benefit, and project technique waste water zero-emission generates in production process
Ground flushing water and the equal reuse of initial rainwater are to production process.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (4)
1. a kind of metal surface pickling sludge and spent acid comprehensive processing technique, characterized by the following steps:
S1, waste hydrochloric acid, concentrated hydrochloric acid are pumped into according to a certain percentage in Treatment of Sludge kettle, are then added into Treatment of Sludge kettle certain
The spent acid sludge that the Treatment of Metal Surface of amount generates adds low-concentration waste acid, until spent acid sludge is complete after reacting one end time
Fully dissolved, the sludge that can not be dissolved are filtered to remove by diagrid；
Containing metallic elements such as iron, lead, zinc in S2, spent acid sludge, for spent acid sludge during dissolution, there are part hydrochloric acid to wave
Hair is collected by the gas gathering mask on Treatment of Sludge kettle, and is transported to waste gas absorption unit by blower and is handled, and hydrogen chloride gas is removed
Body, the tail gas of emission compliance；
Solution in S3, Treatment of Sludge kettle is pumped into neutralization precipitation kettle, and a certain proportion of alkaline solution is added into neutralization precipitation kettle,
PH value is adjusted, the sulfide precipitation agent measured is slow added into, after adding, continues to be stirred to react a period of time, generate
Sulfide precipitation object opens the bottom valve of stillpot after reaction, whole materials is squeezed into plate and frame filter press, reaction process can overflow
Exhaust gas is evacuated to exhaust gas treatment unit by blower and handled by a small amount of hydrogen sulfide gas out；
S4, compressor compression filter plate is opened, filter plate starts to feed, material is pumped into plate and frame filter press, remains certain after compressing
Pressure, filtrate are pumped into that semi-finished product tank is spare, and storage tank has the hydrogen chloride and hydrogen sulfide waste gas to volatilize on a small quantity, by entering after collecting
Waste gas absorption cell processing；
It is equipped with filtrate recyclable device and sludge conveying device below S5, plate and frame filter press and unclamps filters pressing after sheet frame sludge pressure is full
Machine, pulls open filter plate, and residue filtrate circulation returns in reaction kettle not outlet, falls to be attached to the sludge on filter cloth with mud shovel shovel, shovel
The sheet frame sludge fallen is transported in transport wagon box by conveyer belt, and pack is sealed up for safekeeping, and frerrous chloride filtrate is squeezed into holding vessel, and right
The storage pad of lead zinc mud does waste gas recovery；
Concentrated acid salt is added for S6, the frerrous chloride prepared to S5 and anhydrous ferric chloride passes through oxidation processes, and another kind product oxygen is made
Change iron.
2. a kind of metal surface pickling sludge according to claim 1 and spent acid comprehensive processing technique, it is characterised in that: institute
Stating Treatment of Sludge kettle is closed tank body, the stirring rod of the driving rotation in kettle equipped with motor, and stirring rod is molten to mixing when reaction
Liquid stirring, to accelerate reaction rate.
3. a kind of metal surface pickling sludge according to claim 1 and spent acid comprehensive processing technique, it is characterised in that: institute
It states waste gas absorption unit to be made of two film-falling absorption towers and three circulating absorption towers, film-falling absorption tower absorbs sour gas system
Acid solution is obtained, acid solution is generated and flows back into Treatment of Sludge kettle again, realize and recycle, circulating absorption tower is using in soda acid
Film-falling absorption tower, which is removed, with principle does not absorb thorough sour gas.
4. a kind of metal surface pickling sludge according to claim 1 and spent acid comprehensive processing technique, it is characterised in that: institute
Separation of the plate and frame filter press for solid and liquid is stated, isolated basic principle is that mixed liquor flows through filter cloth, and solid retention exists
On filter cloth, and gradually accumulation forms filter cake on filter cloth.And filtrate portion then penetrates filter cloth, becomes without the clear of solid
Liquid.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111018290A (en) * | 2019-12-26 | 2020-04-17 | 江苏荣信环保科技有限公司 | Control system and method for modularly utilizing sludge and waste acid of steel wire rope |
| CN112573580A (en) * | 2020-10-12 | 2021-03-30 | 江苏荣信环保科技有限公司 | Recovery treatment process of ferric trichloride sludge on surface of metal product |
| CN113042495A (en) * | 2021-02-08 | 2021-06-29 | 中船重工（邯郸）派瑞特种气体有限公司 | Treatment method and system of barium fluoride waste containing metal ions |
| CN113248047A (en) * | 2021-05-18 | 2021-08-13 | 沧州冀环威立雅环境服务有限公司 | Comprehensive treatment process for waste acid of electric polishing and waste hydrochloric acid of high-speed rail |
| CN113666555A (en) * | 2021-06-04 | 2021-11-19 | 沧州冀环威立雅环境服务有限公司 | Comprehensive treatment process for anode etching liquid and high-iron waste hydrochloric acid |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4678584A (en) * | 1985-06-20 | 1987-07-07 | Cx/Oxytech, Inc. | Method of removing heavy metal from wastewater streams |
| CN1099728A (en) * | 1994-06-24 | 1995-03-08 | 宁波市环境保护科学研究设计院 | Impurity removing method from perferrite solution |
| WO1999034926A1 (en) * | 1995-05-19 | 1999-07-15 | Lawrence Kreisler | Method for recovering and separating metals from waste streams |
| CN101643243A (en) * | 2009-08-14 | 2010-02-10 | 扬州宁达贵金属有限公司 | Method for recovering copper, nickel, chromium, zinc and iron from electroplating sludge |
| CN101863803A (en) * | 2010-06-10 | 2010-10-20 | 湖北星火化工有限公司 | Purification method of byproduct hydrochloric acid |
| CN201971687U (en) * | 2010-12-16 | 2011-09-14 | 陆伯新 | Waste hydrochloric acid treatment system |
| CN102302890A (en) * | 2011-04-29 | 2012-01-04 | 苏州市吴赣药业有限公司 | Hydrogen chloride gas circulating recovery system |
| WO2015192234A1 (en) * | 2014-06-18 | 2015-12-23 | Institut National De La Recherche Scientifique (Inrs) | Recovery of zinc and manganese from pyrometallurgy sludge or residues |
| CN105271436A (en) * | 2015-10-19 | 2016-01-27 | 刘阳生 | Method for preparing polyferric chloride flocculant by using steel wire rope sludge and waste salt |
| CN106186445A (en) * | 2016-08-30 | 2016-12-07 | 环境保护部南京环境科学研究所 | A kind of steel wire rope acid-washing waste acid and containing high zinc, lead mud disposal system and technique altogether |
| CN206142942U (en) * | 2016-08-30 | 2017-05-03 | 环境保护部南京环境科学研究所 | Wire rope pickling spent acid and contain high zinc, plumbous mud coexistence system of putting |
| CN107032571A (en) * | 2017-06-14 | 2017-08-11 | 环境保护部南京环境科学研究所 | The disposal of resources system and technique of a kind of heavy metal sulfide sludge |
| CN107098556A (en) * | 2017-06-23 | 2017-08-29 | 江苏荣信环保科技有限公司 | The method that recycling sludge in Wire Rope Production reclaims metal |
| CN107226599A (en) * | 2017-08-03 | 2017-10-03 | 环境保护部南京环境科学研究所 | The preparation method and the recycling processing method of heavy metal sewage sludge of a kind of ferric-polysilicate flocculant using iron content heavy metal sewage sludge as raw material |
| CN107235575A (en) * | 2017-07-24 | 2017-10-10 | 环境保护部南京环境科学研究所 | A kind of system and method for handling wire rope factory pickle liquor and sludge |
| CN107469485A (en) * | 2017-09-11 | 2017-12-15 | 郭玉连 | A kind of method for industrial waste gas processing |
| CN108358409A (en) * | 2018-03-07 | 2018-08-03 | 江苏天楹环保能源成套设备有限公司 | A kind of steel wire rope sludge and spent acid method for innocent treatment |
| CN108383272A (en) * | 2018-03-07 | 2018-08-10 | 江苏天楹环保能源成套设备有限公司 | A kind of sludge recovery treatment method of waste acid that wire rope factory generates |
| CN208055172U (en) * | 2018-03-15 | 2018-11-06 | 江苏天楹环保能源成套设备有限公司 | A kind of sludge and waste acid resource system of wire rope factory generation |
-
2019
- 2019-08-12 CN CN201910738347.9A patent/CN110436721A/en active Pending
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4678584A (en) * | 1985-06-20 | 1987-07-07 | Cx/Oxytech, Inc. | Method of removing heavy metal from wastewater streams |
| CN1099728A (en) * | 1994-06-24 | 1995-03-08 | 宁波市环境保护科学研究设计院 | Impurity removing method from perferrite solution |
| WO1999034926A1 (en) * | 1995-05-19 | 1999-07-15 | Lawrence Kreisler | Method for recovering and separating metals from waste streams |
| CN101643243A (en) * | 2009-08-14 | 2010-02-10 | 扬州宁达贵金属有限公司 | Method for recovering copper, nickel, chromium, zinc and iron from electroplating sludge |
| CN101863803A (en) * | 2010-06-10 | 2010-10-20 | 湖北星火化工有限公司 | Purification method of byproduct hydrochloric acid |
| CN201971687U (en) * | 2010-12-16 | 2011-09-14 | 陆伯新 | Waste hydrochloric acid treatment system |
| CN102302890A (en) * | 2011-04-29 | 2012-01-04 | 苏州市吴赣药业有限公司 | Hydrogen chloride gas circulating recovery system |
| WO2015192234A1 (en) * | 2014-06-18 | 2015-12-23 | Institut National De La Recherche Scientifique (Inrs) | Recovery of zinc and manganese from pyrometallurgy sludge or residues |
| CN105271436A (en) * | 2015-10-19 | 2016-01-27 | 刘阳生 | Method for preparing polyferric chloride flocculant by using steel wire rope sludge and waste salt |
| CN106186445A (en) * | 2016-08-30 | 2016-12-07 | 环境保护部南京环境科学研究所 | A kind of steel wire rope acid-washing waste acid and containing high zinc, lead mud disposal system and technique altogether |
| CN206142942U (en) * | 2016-08-30 | 2017-05-03 | 环境保护部南京环境科学研究所 | Wire rope pickling spent acid and contain high zinc, plumbous mud coexistence system of putting |
| CN107032571A (en) * | 2017-06-14 | 2017-08-11 | 环境保护部南京环境科学研究所 | The disposal of resources system and technique of a kind of heavy metal sulfide sludge |
| CN107098556A (en) * | 2017-06-23 | 2017-08-29 | 江苏荣信环保科技有限公司 | The method that recycling sludge in Wire Rope Production reclaims metal |
| CN107235575A (en) * | 2017-07-24 | 2017-10-10 | 环境保护部南京环境科学研究所 | A kind of system and method for handling wire rope factory pickle liquor and sludge |
| CN107226599A (en) * | 2017-08-03 | 2017-10-03 | 环境保护部南京环境科学研究所 | The preparation method and the recycling processing method of heavy metal sewage sludge of a kind of ferric-polysilicate flocculant using iron content heavy metal sewage sludge as raw material |
| CN107469485A (en) * | 2017-09-11 | 2017-12-15 | 郭玉连 | A kind of method for industrial waste gas processing |
| CN108358409A (en) * | 2018-03-07 | 2018-08-03 | 江苏天楹环保能源成套设备有限公司 | A kind of steel wire rope sludge and spent acid method for innocent treatment |
| CN108383272A (en) * | 2018-03-07 | 2018-08-10 | 江苏天楹环保能源成套设备有限公司 | A kind of sludge recovery treatment method of waste acid that wire rope factory generates |
| CN208055172U (en) * | 2018-03-15 | 2018-11-06 | 江苏天楹环保能源成套设备有限公司 | A kind of sludge and waste acid resource system of wire rope factory generation |
Non-Patent Citations (3)
| Title |
|---|
| 丁启圣等: "《新型实用过滤技术》", 31 December 2017 * |
| 吴为等: "南通市钢丝绳行业污泥处置与利用技术方案研究 ", 《环境监控与预警》 * |
| 钟慧敏等: "金属表面处理废水处理工程实例", 《环境与发展》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111018290A (en) * | 2019-12-26 | 2020-04-17 | 江苏荣信环保科技有限公司 | Control system and method for modularly utilizing sludge and waste acid of steel wire rope |
| CN112573580A (en) * | 2020-10-12 | 2021-03-30 | 江苏荣信环保科技有限公司 | Recovery treatment process of ferric trichloride sludge on surface of metal product |
| CN113042495A (en) * | 2021-02-08 | 2021-06-29 | 中船重工（邯郸）派瑞特种气体有限公司 | Treatment method and system of barium fluoride waste containing metal ions |
| CN113042495B (en) * | 2021-02-08 | 2022-04-15 | 中船(邯郸)派瑞特种气体股份有限公司 | Treatment method and system of barium fluoride waste containing metal ions |
| CN113248047A (en) * | 2021-05-18 | 2021-08-13 | 沧州冀环威立雅环境服务有限公司 | Comprehensive treatment process for waste acid of electric polishing and waste hydrochloric acid of high-speed rail |
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