CN106191890A - Strip cleaning liquid recycling plant and strip cleaning liquid circulation process method - Google Patents
Strip cleaning liquid recycling plant and strip cleaning liquid circulation process method Download PDFInfo
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- CN106191890A CN106191890A CN201510215896.XA CN201510215896A CN106191890A CN 106191890 A CN106191890 A CN 106191890A CN 201510215896 A CN201510215896 A CN 201510215896A CN 106191890 A CN106191890 A CN 106191890A
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Abstract
Strip cleaning liquid recycling plant and strip cleaning liquid circulation process method, including strip cleaning groove, strip cleaning groove is connected by cleaning fluid conveying pipeline and cleanout fluid recovery tube and three phase centrifugation seperator, it is divided into oil phase cleanout fluid after the cleanout fluid centrifugal treating that three phase centrifugation seperator will be fed into, iron powder phase cleanout fluid and pure liquid phase cleanout fluid these three, the purest liquid phase cleanout fluid is reused by the anti-strip cleaning groove of sending into of cleanout fluid recovery tube, oil phase cleanout fluid and iron powder phase cleanout fluid are then respectively fed to the follow-up recycling plant assembly arranged that connects and process.The present invention uses high speed centrifugation isolation technics to process oil, solid, water three-phase, and in processing procedure, cleanout fluid loses less, treatment effeciency is high, cleanout fluid thermal loss is few.The present invention is energy-conservation, water saving, environmental protection, the oil slick of separation and iron powder obtain comprehensive cycling and reutilization.And the present invention improves oil, solid, water separation efficiency, improve belt steel surface cleannes, the tank liquor update cycle brings up to more than 6 months.
Description
Technical field
The present invention relates to a kind of cleanout fluid and use device and cleanout fluid circulation process method, particularly relate to a kind of clear to strip steel
Washing liquid carries out oil phase, solid phase and aqueous phase separation, utilizes centrifugation technique that foam carries out broken elimination simultaneously and realizes gas-liquid and divide
From device and by applying this device method to strip cleaning liquid circular treatment.
Background technology
At present, in the process for producing cold rolled strip steel of each steel production enterprise, belt steel surface state before annealing/coating
Be to ensure that the prerequisite producing excellent sheet material with clean-up performance, and cold rolling after belt steel surface always remaining some roll
Pollutant in liquefaction, iron powder and the operation of rolling.Therefore moving back/coating before all belt steel surface must be carried out.
The most universal cleaning operation method of cold rolled strip steel production enterprise under prior art has jet cleaning, brush roll to clean
And electrolytic cleaned.Cleanout fluid is typically made up of highly basic and organic washing auxiliary agent.Along with cleanout fluid continues on, cleanout fluid
In oil slick and iron content be continuously increased.Oil slick and iron powder concentration exceed a certain amount of after, the cleansing power of cleanout fluid is big
Width weakens, and must change.And containing highly basic and organic washing auxiliary agent in these cleanout fluid, direct discharge does not only result in greatly
Amount waste, more can cause severe contamination to environment.So cleanout fluid must be processed, to containing under prior art
The oil phase of the cleanout fluid of oil slick and iron powder, solid phase and water phase separation method have chemical method and the big class of Physical two, chemical method
Due to relatively costly, the addition of chemical reagent causes secondary pollution.Therefore, seldom use, therefore generally use thing
Logos.
Patent ZL 200720092834.5 discloses a kind of cleanout fluid and concentrates precipitation, filtration, recycling plant.Its
Using natural subsidence and paper bag to filter, carry out solid-liquid separation, efficiency is low, it is impossible to realize oil-water separation.
Patent 02152317.7 discloses and a kind of utilizes hyperfiltration technique that defat tank liquor carries out oil-water separation, recycling
Method is mainly for oil-water separation.Hyperfiltration technique has strict demand to influent quality, and present in water inlet, solid is easily made
Become the blocking of ultrafilter membrane.
Patent CN 102553302B discloses a kind of oily-water seperating equipment for alkali degreasing production line.Its principal character
It is to be assembled by oil by filtration web-roll core and electrode, subsequently by floating oil separator by floating oil collecting to oil collection barrel.
The major defect of this invention is its oily composition being merely able to separate in degreaser and is collected, and in degreaser
The solid impurity such as iron powder then cannot be carried out separating and reclaiming.Therefore the degreaser clean-up effect after it processes is poor, the most right
The surface quality stability of product produces impact.
Patent CN 102392265A discloses a kind of degreaser circulation tank with filtering function.It is primarily characterized in that
By the centrifugal action of eddy flow and the filtration of swash plate, the impurity in degreaser is separated in circulating tank.It lacks
Point is:
1, the method is low for the separation accuracy of impurity, separation efficiency is low, can only be rough complete magazins' layout, defat
The clean-up effect of liquid is poor；
2, the solid impurity such as oil slick and iron powder cannot be isolated；
3, magazins' layout is not thorough, and its dirty liquid obtained after separating needs to be carried out into one by the outer piece-rate system of line further
Step separates.
Patent CN 203777798U discloses a kind of for cold belt annealing and pickling unit defat section degreaser blood circulation,
It is mainly characterized by filtering out paper scrap bigger in degreaser by arranging net type filter, then passes through Magnetic filtration device
Device filters out partial oxidation iron powder, finally by the solid-liquid separator of a centrifugal pump pressurization, by remaining solid with de-
Fat liquid separates, and subsequently the degreaser after tertiary treatment is imported circulating tank and is circulated use.The shortcoming of this patent
It is:
1, its operation is loaded down with trivial details, poor reliability, and net type filter and magnetic filter need to often carry out cleaning to be safeguarded, though
So can on-line maintenance, but add user cost, efficiency reduces simultaneously；
2, solid-liquid separator of its design cannot by the oil slick in degreaser and iron powder magazins' layout out, therefore cannot be right
Oil slick and iron powder recycle；
3, its dirt being finally recovered out is directly discharged by blow-off pipe, is also disadvantageous to environmental conservation.
Additionally, a large amount of foams produced in cleaning process be even move back/coating unit present on more outstanding problem.Clean
Containing highly basic and organic washing auxiliary agent in liquid, when steel band is carried out by high temperature (more than 80 DEG C), under agitation, clearly
Washing liquid is easily generated a large amount of foam, if foam elimination not in time can cause the spilling of cleanout fluid, causes a large amount of of cleanout fluid
Waste.And foam coverage can disturb liquidometer at liquid level, cause level gauging to be forbidden, cause maloperation.Meanwhile,
Foam in alkali liquor also can reduce the cleansing power of alkali liquor, causes the appearance of spot, flaw.
In the prior art, the major way eliminating cleanout fluid foam is interpolation defoamer in cleanout fluid, defoamer
Add and add cost, also results in environmental pollution, also needed to personal management simultaneously, even if so, the most often send out
The raw excessive phenomenon of cleanout fluid, causes cleanout fluid to waste.
Patent CN 103469233A discloses a kind of cold-strip steel cleaning defoaming device and method.Its principal character exists
In the multiple synergy by froth breaking pad and left and right flight so that bubble major part is broken, and divides through enterprise
Drain and gas is distinguished under gravity from device.Its major defect is that device is complicated, maintenance cost is high, takes up an area
Greatly.
Patent CN 203043641U discloses a kind of degreasing agent defoaming system.It is primarily characterized in that: use chemistry side
Method, the mode adding defoamer eliminates foam.By froth breaking tank being placed on above cleaning liquid bath, due to action of gravity,
Defoamer is sprayed onto on foam and realizes froth breaking.Shortcoming is: the method uses the chemical method of defoamer, adds
Cost, particularly changes the composition of degreaser, is unfavorable for the recycling of degreaser, for environmental conservation is also
Disadvantageous.
Patent CN 202427206U discloses a kind of cleaning automatic defoaming system of liquid bath.It is primarily characterized in that: pass through
Liquid level sensor, when foam height reaches certain value, froth breaking Control defoamer is increased above liquid bath cleaning
Pump is started working, and is sprayed on foam by defoamer.Have an advantage in that the automatization realizing cleaning liquid bath froth breaking, prevent
Foam overflow.Its shortcoming is to eliminate foam by chemical method defoamer, adds cost, changes cleanout fluid
Composition, be unfavorable for the recycling of cleanout fluid, add environmental pollution simultaneously.
Patent CN 203900058U discloses a kind of by ultrasonic washing unit defoaming device.Being primarily characterized in that will
Ultrasonic washing unit is installed on pipeline, eliminates foam by the effect of ultrasound wave so that cleanout fluid is by being circulated throughout
During filter system circuit, air bubble is discharged in time through outlet conduit by pressure by inlet channel close to the inner portion, it is to avoid bubble is again
It is recycled into rinse bath.Its shortcoming is to increase excusing from death equipment investment, and investment is big, safeguards complexity, simultaneously excusing from death ripple pair
Environment also can produce certain impact.
In sum, although recent decades has carried out phase with regard to cleanout fluid defoaming treatment device and circulation utilization method both at home and abroad
The research closed, but at present to cleanout fluid defoaming treatment with recycle the more following problems that there is also:
1. segregation apparatus is complicated, maintenance cost is high；
2. cycle of operation is shorter, need to often change critical component, have impact on normal production；
3. oil separating is removed and lack systematic research, also do not have effective means to remove the oil in cleanout fluid；
The most existing separation method, while removing scrap iron removing and greasy filth, has taken away the cleaning contained in cleanout fluid and has added
Agent, causes the loss of additive, and additive is expensive；
5. unwanted bubbles is not effectively eliminated means.
Therefore, the most still lack and a kind of can solve cleanout fluid defoaming treatment and the device and method recycled simultaneously.
Summary of the invention
In order to solve the problem existing for cleanout fluid defoaming treatment that prior art likes and the aspect that recycles, invention
Provide strip cleaning liquid recycling plant and strip cleaning liquid circulation process method, made by this device and method
Cleanout fluid oil, solid, water three phase separating efficiency, simultaneously by its froth breaking, improve belt steel surface cleannes, and cleanout fluid is more
New cycle stretch-out to more than 6 months, the product concurrently separated is comprehensively utilized, and reaches zero-emission, meets present
Energy-conservation, water saving, environmental protection concept.Concrete structure and the implementation of the present invention are as described below:
Strip cleaning liquid recycling plant, including strip cleaning groove, it is characterised in that:
Described strip cleaning groove is connected by cleaning fluid conveying pipeline and cleanout fluid recovery tube and three phase centrifugation seperator；
Used for strip cleaning groove cleanout fluid is sent into three phase centrifugation by cleaning fluid conveying pipeline by described strip cleaning groove
Seperator, is divided into oil phase cleanout fluid, iron powder phase cleanout fluid after the cleanout fluid centrifugal treating that three phase centrifugation seperator will be fed into
With pure liquid phase cleanout fluid these three, the purest liquid phase cleanout fluid sends into strip cleaning groove by cleanout fluid recovery tube is counter
Reusing, oil phase cleanout fluid and iron powder phase cleanout fluid are then respectively fed to the follow-up recycling plant group connecting and arranging
Part processes.
Strip cleaning liquid recycling plant according to the present invention, it is characterised in that described recycling plant assembly
Including oil slick accumulator tank, iron powder accumulator tank, oil phase cleaning fluid conveying pipeline road, iron powder phase cleaning fluid conveying pipeline road and iron cement
Bucket, wherein, is cleaned by oil phase respectively from three phase centrifugation seperator isolated oil phase cleanout fluid and iron powder phase cleanout fluid
Oil slick accumulator tank is sent on liquid transfer pipeline and iron powder phase cleaning fluid conveying pipeline road and iron powder accumulator tank processes, at iron powder
The bottom of accumulator tank is provided with iron cement bucket.
Strip cleaning liquid recycling plant according to the present invention, it is characterised in that described oil slick accumulator tank oil in reserve
Phase cleanout fluid, stores and is fed again into three phase centrifugation seperator by oil slick accumulator tank foldback pipeline to 70%～80% volume
Process, owing to the reason of liquid phase proportion adds up to the oil phase cleanout fluid of oil content more than 80% then to be stored by oil slick repeatedly
Groove output pipe is sent.
Strip cleaning liquid recycling plant according to the present invention, it is characterised in that described iron powder accumulator tank storage iron
Powder phase cleanout fluid, iron powder is entered in iron cement bucket by the iron powder transfer pipeline arranged.
Strip cleaning liquid circulation process method based on above-mentioned strip cleaning liquid recycling plant, its concrete steps are such as
Lower described:
1) used for strip cleaning groove cleanout fluid feeding three phase centrifugation is separated by strip cleaning groove by cleaning fluid conveying pipeline
Machine, the motor of three phase centrifugation seperator is rotated by shaft coupling rotor driven, by guide shell on cleanout fluid liquid level
Foam sucks in defoaming pump, and foam is during rising, owing to centrifugal action is thrown on barrel, by barrel and not
Rust steel wire is smashed, and gas is discharged by steam vent, and the pure liquid phase cleanout fluid processed is by cleanout fluid recovery tube
It is back in strip cleaning groove recycle；
2) be divided into after the cleanout fluid centrifugal treating that three phase centrifugation seperator will be fed into oil phase cleanout fluid, iron powder phase cleanout fluid and
Pure liquid phase cleanout fluid these three, except step 1) in processed pure liquid phase cleanout fluid backflow recycle in addition to,
Oil phase cleanout fluid and iron powder phase cleanout fluid are then respectively fed to the oil slick of the follow-up recycling plant assembly connecting and arranging and store
Groove and iron powder accumulator tank process；
3) step 2) oil slick accumulator tank store oil phase cleanout fluid, store stored by oil slick to 70%～80% volume
Groove foldback pipeline is fed again into three phase centrifugation separator for processing, owing to the reason of liquid phase proportion adds up repeatedly to oil content
The oil phase cleanout fluid of more than 80% is then sent by oil slick accumulator tank output pipe, and these oil phase cleanout fluid will moisten as equipment
Lubricating oil recycles again；
4) step 2) iron powder accumulator tank storage iron powder phase cleanout fluid is mutually clear through the iron powder of three phase centrifugation separator for processing
Aqueous about the 95% of washing liquid, through its internal stationary, drain function, is down to less than 80% by water content, and iron powder passes through
The iron powder transfer pipeline arranged enters in iron cement bucket, and these iron powders will use as high-purity iron cement.
The specific design theory of the present invention and purpose are:
Strip steel carries out oil removing, iron power removing, rinse liquid temperature more than 80 DEG C in strip cleaning groove, belongs to strong alkali solution,
And have circulating pump to carry out strong stirring.Oil, iron powder constantly add up in cleanout fluid, and due to cleanout fluid, to belong to high temperature highly basic molten
Liquid, and by strong stirring, so oil, iron powder and cleanout fluid are difficult to natural subsidence layering.Therefore, three phase centrifugation is used
The centrifugal separation technology of seperator processes.It is divided into oil after the cleanout fluid centrifugal treating that three phase centrifugation seperator will be fed into
Phase cleanout fluid, iron powder phase cleanout fluid and pure liquid phase cleanout fluid these three, the purest liquid phase cleanout fluid passes through cleanout fluid
The anti-strip cleaning groove of sending into of recovery tube reuses, and oil phase cleanout fluid and iron powder phase cleanout fluid are then respectively fed to follow-up company
The recycling plant assembly connecing setting processes.
Oil slick accumulator tank stores oil phase cleanout fluid, stores to 70%～80% volume by oil slick accumulator tank foldback pipeline again
Secondary feeding three phase centrifugation separator for processing, owing to the reason of liquid phase proportion adds up the oil phase to oil content more than 80% repeatedly
Cleanout fluid is then sent by oil slick accumulator tank output pipe, and these oil phase cleanout fluid will circulate again as equipment lubrication oil
Utilize；And iron powder accumulator tank stores iron powder phase cleanout fluid, through the iron powder phase cleanout fluid of three phase centrifugation separator for processing
Aqueous about 95%, through its internal stationary, drain function, water content is down to less than 80%, iron powder is by setting
Iron powder transfer pipeline enters in iron cement bucket, and these iron powders will use as high-purity iron cement.
The strip cleaning liquid recycling plant and the strip cleaning liquid circulation process method that use the present invention obtain and have as follows
Benefit effect:
1. the strip cleaning liquid recycling plant of the present invention and strip cleaning liquid circulation process method, uses high speed centrifugation
Isolation technics processes oil, solid, water three-phase, and in processing procedure, cleanout fluid loses less, treatment effeciency is high, cleanout fluid heat
Loss is few；
2. the strip cleaning liquid recycling plant of the present invention and strip cleaning liquid circulation process method, energy-conservation, water saving,
Environmental protection, the oil slick of separation and iron powder obtain comprehensive cycling and reutilization, have reached zero-emission；
3. the strip cleaning liquid recycling plant of the present invention and strip cleaning liquid circulation process method, greatly increase
Oil, solid, water separation efficiency, improve belt steel surface cleannes, and the tank liquor update cycle brings up to more than 6 months.
Accompanying drawing explanation
Fig. 1 is strip cleaning liquid recycling plant and the device part of strip cleaning liquid circulation process method of the present invention
Concrete structure schematic diagram；
Fig. 2 is strip cleaning liquid recycling plant and the three phase centrifugation of strip cleaning liquid circulation process method of the present invention
The concrete structure schematic diagram of seperator.
In figure: 1-strip cleaning groove, 2-cleaning fluid conveying pipeline, 3-cleanout fluid recovery tube, 4-three phase centrifugation seperator,
A-recycling plant assembly, A1-oil slick accumulator tank, A2-iron powder accumulator tank, A3-oil phase cleaning fluid conveying pipeline road, A4-
Iron powder phase cleaning fluid conveying pipeline road, A5-iron cement bucket, A11-oil slick accumulator tank foldback pipeline, A12-oil slick accumulator tank exports
Pipeline, A21-iron powder transfer pipeline, 4a-motor, 4b-shaft coupling, 4c-guide shell, 4d-defoaming pump, 4e-rustless steel
Silk screen, 4f-steam vent.
Detailed description of the invention
Below in conjunction with the accompanying drawings with embodiment to the strip cleaning liquid recycling plant of the present invention and strip cleaning liquid circulation at
Reason method is further described.
As depicted in figs. 1 and 2, strip cleaning liquid recycling plant, including strip cleaning groove 1, strip cleaning groove
Connected by cleaning fluid conveying pipeline 2 and cleanout fluid recovery tube 3 and three phase centrifugation seperator 4；
Used for strip cleaning groove cleanout fluid feeding three phase centrifugation is divided by strip cleaning groove 1 by cleaning fluid conveying pipeline 2
Disembark 4, after the cleanout fluid centrifugal treating that three phase centrifugation seperator will be fed into, be divided into oil phase cleanout fluid, iron powder phase cleanout fluid
With pure liquid phase cleanout fluid these three, the purest liquid phase cleanout fluid sends into strip cleaning by cleanout fluid recovery tube 3 is counter
Groove reuses, and oil phase cleanout fluid and iron powder phase cleanout fluid are then respectively fed to the follow-up recycling plant connecting and arranging
Assembly A process.
Recycling plant assembly A includes oil slick accumulator tank A1, iron powder accumulator tank A2, oil phase cleaning fluid conveying pipeline road
A3, iron powder phase cleaning fluid conveying pipeline road A4 and iron cement bucket A5, wherein, from the isolated oil of three phase centrifugation seperator 4
Phase cleanout fluid and iron powder phase cleanout fluid are sent into by oil phase cleaning fluid conveying pipeline road and iron powder phase cleaning fluid conveying pipeline road respectively
Oil slick accumulator tank and iron powder accumulator tank process, and the bottom of iron powder accumulator tank is provided with iron cement bucket.
Oil slick accumulator tank A1 stores oil phase cleanout fluid, stores to 70%～80% volume by oil slick accumulator tank foldback pipe
Road A11 is fed again into three phase centrifugation seperator 4 and processes, owing to the reason of liquid phase proportion adds up repeatedly to oil content 80%
Above oil phase cleanout fluid is then sent by oil slick accumulator tank output pipe A12.
Iron powder accumulator tank A2 stores iron powder phase cleanout fluid, and iron powder enters iron cement bucket by the iron powder transfer pipeline A21 arranged
In A5.
Embodiment
Strip cleaning liquid circulation process method based on above-mentioned strip cleaning liquid recycling plant, its concrete steps are such as
Lower described:
1) as in figure 2 it is shown, strip cleaning groove 1 passes through cleaning fluid conveying pipeline 2 by used for strip cleaning groove cleanout fluid
Sending into three phase centrifugation seperator 4, the motor 4a of three phase centrifugation seperator is rotated by shaft coupling 4b rotor driven, logical
Cross guide shell 4c the foam on cleanout fluid liquid level is sucked in defoaming pump 4d, foam during rising, due to from
Heart effect is thrown on barrel, is smashed by barrel and stainless steel cloth 4e, and gas is discharged by steam vent 4f, and locates
The pure liquid phase cleanout fluid managed is back in strip cleaning groove 1 recycle by cleanout fluid recovery tube 3；
2) be divided into after the cleanout fluid centrifugal treating that three phase centrifugation seperator will be fed into oil phase cleanout fluid, iron powder phase cleanout fluid and
Pure liquid phase cleanout fluid these three, except step 1) in processed pure liquid phase cleanout fluid backflow recycle in addition to,
Oil phase cleanout fluid and iron powder phase cleanout fluid are then respectively fed to the oil slick storage of the follow-up recycling plant assembly A connecting and arranging
Deposit groove A1 and iron powder accumulator tank A2 process；
3) step 2) oil slick accumulator tank A1 store oil phase cleanout fluid, store to 70%～80% volume, pass through oil slick
Accumulator tank foldback pipeline A11 is fed again into three phase centrifugation seperator 4 and processes, owing to the reason of liquid phase proportion adds up repeatedly
Oil phase cleanout fluid to oil content more than 80% is then sent by oil slick accumulator tank output pipe A12, and these oil phases clean
Liquid will recycle again as equipment lubrication oil；
4) step 2) iron powder accumulator tank A2 stores iron powder phase cleanout fluid, through the ferrum that three phase centrifugation seperator 4 processes
Aqueous about the 95% of powder phase cleanout fluid, through its internal stationary, drain function, is down to less than 80%, ferrum by water content
Powder enters in iron cement bucket A5 by the iron powder transfer pipeline A21 arranged, and these iron powders will use as high-purity iron cement.
Strip steel carries out oil removing, iron power removing, rinse liquid temperature more than 80 DEG C in strip cleaning groove, belongs to strong alkali solution,
And have circulating pump to carry out strong stirring.Oil, iron powder constantly add up in cleanout fluid, and due to cleanout fluid, to belong to high temperature highly basic molten
Liquid, and by strong stirring, so oil, iron powder and cleanout fluid are difficult to natural subsidence layering.Therefore, three phase centrifugation is used
The centrifugal separation technology of seperator processes.It is divided into oil after the cleanout fluid centrifugal treating that three phase centrifugation seperator will be fed into
Phase cleanout fluid, iron powder phase cleanout fluid and pure liquid phase cleanout fluid these three, the purest liquid phase cleanout fluid passes through cleanout fluid
The anti-strip cleaning groove of sending into of recovery tube reuses, and oil phase cleanout fluid and iron powder phase cleanout fluid are then respectively fed to follow-up company
The recycling plant assembly connecing setting processes.
Oil slick accumulator tank stores oil phase cleanout fluid, stores to 70%～80% volume by oil slick accumulator tank foldback pipeline again
Secondary feeding three phase centrifugation separator for processing, owing to the reason of liquid phase proportion adds up the oil phase to oil content more than 80% repeatedly
Cleanout fluid is then sent by oil slick accumulator tank output pipe, and these oil phase cleanout fluid will circulate again as equipment lubrication oil
Utilize；And iron powder accumulator tank stores iron powder phase cleanout fluid, through the iron powder phase cleanout fluid of three phase centrifugation separator for processing
Aqueous about 95%, through its internal stationary, drain function, water content is down to less than 80%, iron powder is by setting
Iron powder transfer pipeline enters in iron cement bucket, and these iron powders will use as high-purity iron cement.
The strip cleaning liquid recycling plant of the present invention and strip cleaning liquid circulation process method, use high speed centrifugation to divide
From technical finesse oil, solid, water three-phase.In processing procedure, cleanout fluid loss is seldom.Treatment effeciency is high, cleanout fluid heat
Loss is seldom.The present invention is energy-conservation, water saving, environmental protection, the oil slick of separation and iron powder obtain comprehensive cycling and reutilization, reach
Zero-emission.And present invention greatly improves oil, solid, water separation efficiency, improve belt steel surface cleannes,
The tank liquor update cycle brings up to more than 6 months.
The present invention is applicable to the recycling of various strip cleaning liquid, process field.
Claims (5)
1. strip cleaning liquid recycling plant, including strip cleaning groove (1), it is characterised in that:
Described strip cleaning groove (1) is by cleaning fluid conveying pipeline (2) and cleanout fluid recovery tube (3) and three phase centrifugation
Seperator (4) connects；
Used for strip cleaning groove cleanout fluid is sent by described strip cleaning groove (1) by cleaning fluid conveying pipeline (2)
Enter three phase centrifugation seperator (4), be divided into after the cleanout fluid centrifugal treating that three phase centrifugation seperator will be fed into oil phase cleanout fluid,
Iron powder phase cleanout fluid and pure liquid phase cleanout fluid these three, the purest liquid phase cleanout fluid passes through cleanout fluid recovery tube (3)
Anti-strip cleaning groove of sending into reuses, and oil phase cleanout fluid and iron powder phase cleanout fluid are then respectively fed to arrange follow-up connection
Recycling plant assembly (A) process.
2. strip cleaning liquid recycling plant as claimed in claim 1, it is characterised in that described recycling
Device assembly (A) includes oil slick accumulator tank (A1), iron powder accumulator tank (A2), oil phase cleaning fluid conveying pipeline road (A3),
Iron powder phase cleaning fluid conveying pipeline road (A4) and iron cement bucket (A5), wherein, isolate from three phase centrifugation seperator (4)
Oil phase cleanout fluid and iron powder phase cleanout fluid respectively by oil phase cleaning fluid conveying pipeline road and iron powder phase cleaning fluid conveying pipeline road
Send into oil slick accumulator tank and iron powder accumulator tank processes, the bottom of iron powder accumulator tank is provided with iron cement bucket.
3. strip cleaning liquid recycling plant as claimed in claim 2, it is characterised in that described oil slick stores
Groove (A1) stores oil phase cleanout fluid, stores to 70%～80% volume by oil slick accumulator tank foldback pipeline (A11)
It is fed again into three phase centrifugation seperator (4) to process, owing to the reason of liquid phase proportion adds up repeatedly to oil content more than 80%
Oil phase cleanout fluid then sent by oil slick accumulator tank output pipe (A12).
4. strip cleaning liquid recycling plant as claimed in claim 2, it is characterised in that described iron powder stores
Groove (A2) stores iron powder phase cleanout fluid, and iron powder enters iron cement bucket (A5) by the iron powder transfer pipeline (A21) arranged
In.
5. the strip cleaning liquid of strip cleaning liquid recycling plant based on the claims 1 to claim 4 follows
Ring processing method, it comprises the following steps that described:
1) used for strip cleaning groove cleanout fluid is sent into three by cleaning fluid conveying pipeline (2) by strip cleaning groove (1)
Phase centrifugal separator (4), the motor (4a) of three phase centrifugation seperator is rotated by shaft coupling (4b) rotor driven,
By guide shell (4c), the foam on cleanout fluid liquid level is sucked in defoaming pump (4d), foam during rising,
Owing to centrifugal action is thrown on barrel, being smashed by barrel and stainless steel cloth (4e), gas passes through steam vent (4f)
Discharge, and the pure liquid phase cleanout fluid processed is back in strip cleaning groove (1) by cleanout fluid recovery tube (3)
Recycle；
2) be divided into after the cleanout fluid centrifugal treating that three phase centrifugation seperator will be fed into oil phase cleanout fluid, iron powder phase cleanout fluid and
Pure liquid phase cleanout fluid these three, except step 1) in processed pure liquid phase cleanout fluid backflow recycle in addition to,
Oil phase cleanout fluid and iron powder phase cleanout fluid are then respectively fed to the oil slick of the follow-up recycling plant assembly (A) connecting and arranging
Accumulator tank (A1) and iron powder accumulator tank (A2) process；
3) step 2) oil slick accumulator tank (A1) store oil phase cleanout fluid, store to after 70%～80% volume by floating
Oil accumulator tank foldback pipeline (A11) is fed again into three phase centrifugation seperator (4) and processes, due to the reason of liquid phase proportion
Repeatedly add up to the oil phase cleanout fluid of oil content more than 80% then to be sent by oil slick accumulator tank output pipe (A12), this
A little oil phase cleanout fluid will recycle again as equipment lubrication oil；
4) step 2) iron powder accumulator tank (A2) storage iron powder phase cleanout fluid, through three phase centrifugation seperator (4) place
Aqueous about the 95% of the iron powder phase cleanout fluid of reason, through its internal stationary, drain function, is down to 80% by water content
Hereinafter, iron powder is entered in iron cement bucket (A5) by the iron powder transfer pipeline (A21) arranged, and these iron powders will be as height
Purity iron cement uses.
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| CN201510215896.XA CN106191890A (en) | 2015-04-30 | 2015-04-30 | Strip cleaning liquid recycling plant and strip cleaning liquid circulation process method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111373075A (en) * | 2017-12-21 | 2020-07-03 | 安赛乐米塔尔公司 | Method for pickling steel sheets |
| CN111433341A (en) * | 2017-12-05 | 2020-07-17 | 安全溶剂欧洲有限公司 | Component cleaning method |
| CN115106321A (en) * | 2022-06-09 | 2022-09-27 | 杭州萧山钱鸿交通器材有限公司 | Comprehensive circulation system for strip steel cleaning fluid and separation method thereof |
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| CN111433341A (en) * | 2017-12-05 | 2020-07-17 | 安全溶剂欧洲有限公司 | Component cleaning method |
| CN111433341B (en) * | 2017-12-05 | 2021-09-14 | 安全溶剂欧洲有限公司 | Component cleaning method |
| CN111373075A (en) * | 2017-12-21 | 2020-07-03 | 安赛乐米塔尔公司 | Method for pickling steel sheets |
| US11879174B2 (en) | 2017-12-21 | 2024-01-23 | Arcelormittal | Method for pickling steel sheets |
| CN115106321A (en) * | 2022-06-09 | 2022-09-27 | 杭州萧山钱鸿交通器材有限公司 | Comprehensive circulation system for strip steel cleaning fluid and separation method thereof |
| CN115106321B (en) * | 2022-06-09 | 2024-07-02 | 杭州萧山钱鸿交通器材有限公司 | Comprehensive circulation system for strip steel cleaning liquid and separation method thereof |
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