CN109338379A - A kind of metal product deoils derusting process - Google Patents

A kind of metal product deoils derusting process Download PDF

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Publication number
CN109338379A
CN109338379A CN201811235782.1A CN201811235782A CN109338379A CN 109338379 A CN109338379 A CN 109338379A CN 201811235782 A CN201811235782 A CN 201811235782A CN 109338379 A CN109338379 A CN 109338379A
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CN
China
Prior art keywords
metal product
water
degreaser
rust remover
unit
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Pending
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CN201811235782.1A
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Chinese (zh)
Inventor
席小东
戴兰兵
杨长国
肖兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinying Environmental Technology (shanghai) Co Ltd
Congzhen Environmental Technology (shanghai) Co Ltd
Original Assignee
Jinying Environmental Technology (shanghai) Co Ltd
Congzhen Environmental Technology (shanghai) Co Ltd
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Application filed by Jinying Environmental Technology (shanghai) Co Ltd, Congzhen Environmental Technology (shanghai) Co Ltd filed Critical Jinying Environmental Technology (shanghai) Co Ltd
Priority to CN201811235782.1A priority Critical patent/CN109338379A/en
Publication of CN109338379A publication Critical patent/CN109338379A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/14Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/36Regeneration of waste pickling liquors
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G3/00Apparatus for cleaning or pickling metallic material

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

It deoils derusting process the present invention relates to a kind of metal product, which comprises the following steps: metal product is immersed in ultrasonic cleaning in alkalescent degreaser;The alkalescent degreaser and dirt of surface of metal product are blown off by the wind obliquely of metal product two sides;It cleans metal product is submerged in water;Metal product is immersed in ultrasonic cleaning in faintly acid rust remover;The faintly acid rust remover and dirt of surface of metal product are blown off by the wind obliquely of metal product two sides;It cleans metal product is submerged in water;Metal product is dried, the processing of rust removing of deoiling to surface of metal product is completed.The invention has the advantages that reducing water consumption, the zero-emission of waste water is realized, reduces the pollution to ambient enviroment.

Description

A kind of metal product deoils derusting process
Technical field
The present invention relates to the systems of a kind of removal surface of metal product grease stain and rusty stain.
Background technique
The process route chart of existing removal surface of metal product grease stain and rusty stain is as shown in Figure 1.In prior art, take off After rouge metal product must will by least two road washing because the surface of metal product after degreasing is attached with a large amount of degreasing agents And dirt, after first of washing, the clear water in the rinsing bowl of first of washing quickly can be by degreasing agent and dirt contamination.By The clear water of pollution can not completely clean up the degreasing agent of next surface of metal product and dirt.If but in first of water The water in rinsing bowl washed soon changes water after becoming cloudy, then the water in rinsing bowl can be replaced frequently, and causes the wave of water resource Take, also increases cost.For this purpose, metal product needs to wash by least twice after degreasing, first of water in prior art The degreasing agent and dirt that surface of metal product is tentatively removed when washing recycle second washing that surface of metal product is remaining de- Rouge agent and dirt are cleaned out completely.If the degreasing agent of surface of metal product and dirt can't be cleaned by twice washing dry Only, then the washing of third road, the even the 4th washing can be further added by.As a same reason with degreasing, after derusting in prior art The rusty stain of surface of metal product could be cleaned out by needing to wash by multiple tracks.
Therefore, for the existing derusting process that deoils, a large amount of water is needed to clean metal product, not only The waste of water resource is caused, cost is also increased.Further, the water in prior art rinsing bowl, which becomes cloudy, needs replacing When, Normal practice is that the sewage in rinsing bowl is expelled to external water treatment system, is carried out by water treatment system to sewage It is discharged outward after reason, some factories are in order to which save the cost is even by sewage direct emission.The case where for sewage direct emission and Surrounding enviroment can be caused to seriously affect by speech without doubt.If sewage discharges again by water treatment system, more or less also can Environment is impacted, tracing it to its cause is that sewage can not be changed into free of contamination clear water completely by existing water treatment system, and And the more good then cost of the treatment effect of water treatment system is higher, the used water process system of the angle of factory from control cost The effect of system is often barely satisfactory, and final sewage still can make environment after discharge even across the processing of water treatment system At influence.
Summary of the invention
One purpose of the present invention is: save surface of metal product deoil derusting process water dosage.It is of the invention more Further objective is that: it realizes the zero-emission of sewage, realizes the no pollution to environment.
In order to achieve the above object, it deoils derusting process the technical solution of the present invention is to provide a kind of metal product, It is characterized in that, comprising the following steps:
Metal product is immersed in ultrasonic cleaning 2~10 minutes in alkalescent degreaser by the first step, is added in cleaning process Hot alkalescent degreaser, alkalescent degreaser will be close to heating device hotter alkalescent degreaser when heating are put into after extracting out In colder alkalescent degreaser far from heating device, so that the temperature of entire alkalescent degreaser is kept in balance;
Second step will be put into degreaser recovery unit by the metal product of first step processing, pass through metal product two The wind obliquely of side blows off the alkalescent degreaser and dirt of surface of metal product, and is collected by degreaser recovery unit, After the alkalescent degreaser with dirt that degreaser recovery unit is collected is filtered off decontamination object, first step institute is put into again It is recycled in the alkalescent degreaser used;
Third step, by by second step processing metal product it is submerged in water clean, in the process of cleaning, continue Aeration accelerates cleaning process, meanwhile, the water containing alkalescent degreaser through over cleaning is defined as week-base water, is recycled by water Processing unit recycles week-base water;
4th step will be immersed in ultrasonic cleaning 3~10 in faintly acid rust remover by the metal product of third step processing Minute, faintly acid rust remover is heated in cleaning process, faintly acid rust remover will be close to the hotter weak acid of heating device when heating Property rust remover extraction after put into the colder faintly acid rust remover far from heating device so that the temperature of entire faintly acid rust remover Degree is kept in balance;
5th step will be put into rust remover recovery unit by the metal product of the 4th step processing, pass through metal product two The wind obliquely of side blows off the faintly acid rust remover and dirt of surface of metal product, and is collected by rust remover recovery unit, After the faintly acid rust remover with dirt that rust remover recovery unit is collected is filtered off decontamination object, the 4th step institute is put into again The faintly acid rust remover used recycles;
6th step, by by the 5th step processing metal product it is submerged in water clean, in the process of cleaning, continue Aeration accelerates cleaning process, meanwhile, the water containing faintly acid rust remover through over cleaning is defined as weak acid water, is recycled by water Processing unit recycles weak acid water;
7th step, weak acid water and third step recycling week-base water in water circular treatment unit in and be neutral water, simultaneously Water process is carried out by water circular treatment cell pairs water and forms clean water, clean water is put into the by water circular treatment unit again It is recycled in water used in three steps and the 6th step;
The metal product by the processing of the 6th step is dried in 8th step, and surface of metal product is gone in completion Oily processing of rust removing.
Preferably, in the first step, alkalescent degreaser is heated to no more than 50 degrees Celsius;In 4th step, faintly acid is removed Rust agent is heated to no more than 50 degrees Celsius.
Preferably, the pH value of the alkalescent degreaser is 8~9;The pH value of the faintly acid rust remover is 3~4.
Preferably, in the 7th step, the pH value of the clean water is adjusted to 6.5~7.5 by the water circular treatment unit.
Preferably, in the 8th step, metal product is dried using hot wind obliquely.
Compared with prior art, the invention has the advantages that
1) invention increases degreaser and the collecting process of rust remover, the degreaser of surface of metal product, rust remover, dirts After object is blown off, then metal product is washed, compared with prior art, metal product can be greatly reduced to washing when institute On the one hand the pollution of the water used does not have to clean the metal product after oil removing, derusting using multiple tracks washing process, Still further aspect can also greatly reduce the replacement frequency of the used water of washing step, to save water resource, reduce life Produce cost.
2) degreaser, rust remover, the dirt of surface of metal product are blown off by the collecting process of degreaser and rust remover Afterwards, degreaser, the rust remover taken out of by metal product from oil removing unit and derusting unit can be effectively recycled, oil removing is being reduced While agent, the loss of rust remover, production cost is also reduced.
3) since compared with prior art, washing step of the present invention is substantially reduced using the contaminated degree of water, to make It obtains of the invention can use after the sewage that water circular treatment unit generates washing step is handled to be recycled, washing step The sewage of generation while having saved water resource, also achieves sewage zero-discharge, reduces at lower cost without discharge outward Pollution to ambient enviroment.
4) 40 to 50 degrees Celsius are reduced to from 60 to 80 degrees Celsius of traditional handicraft due to heating temperature, energy is greatly saved Source consumption.
Detailed description of the invention
Fig. 1 is the process route chart of existing removal surface of metal product grease stain and rusty stain;
Fig. 2 is that a kind of metal product used in the present embodiment deoils the schematic diagram (vertical view) of the system of derusting;
Fig. 3 is that oil removing unit used in the present embodiment and degreaser collector unit or derusting unit and rust remover collection are single The connection schematic diagram of member;
Fig. 4 is the connection schematic diagram between two washing units used in the present embodiment.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited Range.
As shown in Fig. 2, a kind of metal product disclosed in the present embodiment deoils, derusting system includes moving along metal product level Successively tactic oil removing unit, degreaser collector unit, washing unit one, derusting unit, rust remover collect list in dynamic direction Member, washing unit two and drying unit.It is sequentially put into oil removing again after being lifted metal product to be processed by moving lifting equipment I Unit, degreaser collector unit, washing unit one, derusting unit, rust remover collector unit, washing unit two and drying unit, To complete the processing to surface of metal product.
In the present embodiment, oil removing unit is identical as the derusting structure of unit, and degreaser collector unit and rust remover are collected The structure of unit is identical.
By taking oil removing unit as an example, in conjunction with Fig. 3, oil removing unit includes open-topped cabinet 1, fills oil removing in cabinet 1 Agent (if derusting unit, then fills rust remover, similarly hereinafter) in cabinet 1.Be equipped in cabinet 1 for incude metal product whether by The photoelectric sensor switch being put into provides signal to control after photoelectric sensor switch has sensed that metal product is placed into cabinet 1 Unit (is not illustrated) in figure, is started to work by control unit control associated components.There are overflow port 2, liquid level on the side wall of cabinet 1 Sensor 3 and temperature sensor 4, extra degreaser is overflowed by overflow port 2 in cabinet 1, and the degreaser of spilling is by filtering Be recovered after device 9/replenishing basin 12 collected by.Liquid level sensor 3 is used to incude the liquid level of the degreaser in cabinet 1, if liquid level It is too low, then signal is provided to control unit, replenishment pump 13 is opened by control unit, by the degreaser weight in recycling/replenishing basin 12 Newly it is pumped into cabinet 1.Whether degreaser of the temperature sensor 4 in detection box 1 reaches set temperature, if not up to setting Temperature then starts the heating device 5 in cabinet 1, heats degreaser.In order to enable the temperature of the degreaser in cabinet 1 is more equal Weighing apparatus, have circulation delivery outlet at 5 position of heating device in cabinet 1, cabinet 1 far from have at 5 position of heating device circulation it is defeated Entrance will pass through circulation by the 5 direct-fired higher degreaser of temperature of institute of heating device in cabinet 1 using circulating heat pump 8 Delivery outlet and circulation input port are pumped into again in cabinet 1, accelerate the lower oil removing of temperature of the separate heating device 5 in cabinet 1 The heating process of agent, so that the temperature of the degreaser in cabinet 1 is whole more balanced.In order to reach more preferably deoiling effect, The bottom of cabinet 1 is additionally provided with supersonic generator 6, and the grease stain of surface of metal product is enabled preferably to be cleaned (together Sample, the supersonic generator 6 in 1 bottom of cabinet of derusting unit enables to the rusty stain of surface of metal product can be preferably It is cleaned).While the grease stain (being then rusty stain, similarly hereinafter if derusting unit) of surface of metal product is cleaned, The dirt of surface of metal product also can be cleaned, and the dirt for being deposited in 1 bottom of cabinet can cause the degreaser in cabinet 1 Pollution reduces its oil removal efficiency (if derusting unit, then what is reduced is rust cleaning efficiency).Recycling is equipped in 1 bottom of cabinet thus Mouth 7, is extracted dirt out together with degreaser by filter pump 11 from recovery port 7, clean after filter device 10 filters out dirt Degreaser is admitted in recycling/replenishing basin 12, so that degreaser can be re-used by replenishment pump 13.
Again by taking degreaser collector unit as an example, in conjunction with Fig. 3, degreaser collector unit includes open-topped cabinet, cabinet Side wall on be provided with photoelectric sensor switch, the photoelectric sensor switch of the effect and oil removing unit of photoelectric sensor switch herein It acts on identical, repeats no more.It is additionally provided with liquid level sensor 16 on the side wall of the box body, passes through 16 detection box of liquid level sensor Whether interior remaining degreaser (being then rust remover, similarly hereinafter if rust remover collector unit) is beyond setting liquid level, if so, logical Know control unit, makes corresponding actions.Two air outlets 15 arranged up and down are respectively equipped on the two sides side wall of cabinet, each Air outlet 15 along cabinet width direction across entire cabinet, diagonally downward, in the present embodiment, air outlet 15 is oblique for air outlet 15 Downward 45 °.The wind that Blast mechanism generates is blown into cabinet that surface of metal product will be located in the box body by air outlet 15 Degreaser and dirt are blown off.The bottom of cabinet is equipped with recovery port, and the degreaser and dirt blown off was first passed through by recovery port After dirt therein is fallen in filter 14 transition of device, be recovered/replenishing basin 12 recycled, so that degreaser can by replenishment pump 13 To be re-used.The present invention is before washing, first with degreaser collector unit by the degreaser and dirt of surface of metal product It blows off, not only degreaser is recycled, but also reduce the pollution to water used in subsequent washing step, Allow subsequent washing step only with one of washing process, water consumption be greatly saved, also reduces the consumption of degreaser, Cost is saved.
In conjunction with Fig. 4, in the present embodiment, washing unit one is identical as the washing structure of unit two.It is to wash unit one Example, including open-topped cabinet 17 are provided with photoelectric sensor switch on the side wall of cabinet 17, photoelectric sensor switch herein Effect is identical as the effect of the photoelectric sensor switch of oil removing unit, repeats no more.Overflow is additionally provided on the side wall of cabinet 17 Mouthfuls 18 and liquid level sensor 21, extra water is overflowed by overflow port 18 in cabinet 17.It washes the water that unit one overflows and passes through water It can be admitted to after circular treatment cell processing in the cabinet 17 of washing unit two, and the water for washing the spilling of unit two is recycled by water It can be admitted to after processing unit processes in the cabinet 17 of washing unit one.Liquid level sensor 21 is used to incude the water in cabinet 17 Position, if water level is too low, provides signal to control unit, water circular treatment unit will be recovered from water under the control of the control unit The water for washing unit one fills into washing unit two, or the water for being recovered from washing unit two is filled into washing unit one.In order to reach Better water washing effect is additionally provided with aerator 19 in 17 bottom of cabinet, by aerator 19 water in cabinet 17 is begun It is in fluctuation status, the preferably degreaser or rust remover and dirt of cleaning surface of metal product eventually.It is cleaned the dirt got off Object and degreaser or rust remover can be deposited in the bottom of cabinet 17, then are also provided with a recovery port 20, case in the bottom of cabinet 17 The water of 17 bottom of body is admitted to by recovery port 20 more clean water is formed after water circular treatment unit after, then be admitted to washing Unit one or washing unit two.The present invention is using water circular treatment unit recycling washing unit one and washes the useless of the generation of unit two After water, by treated, waste water sends washing unit one and washing unit two back to again, has not only saved water consumption, but also realize The zero-emission of sewage significantly reduces influence of the present invention to ambient enviroment.
The structure of drying unit of the invention is similar with the structure of degreaser collector unit or rust remover collector unit, area Be not: what is blown out by air outlet 15 is hot wind, and those skilled in the art can also set sharping degree for air outlet 15 can The air outlet 15 that adjusts or can swing in real time.The waste water that drying unit generates then is recycled by waste water treatment system.
Based on above system, a kind of metal product provided by the invention deoil derusting process the following steps are included:
The first step is put into the cabinet 1 of oil removing unit after being lifted metal product to be processed by moving lifting equipment I, So that metal product is immersed in the alkalescent degreaser that pH value is 8~9, supersonic generator 6 is opened, metal product is carried out Ultrasonic cleaning 2~10 minutes.In cleaning process, the temperature of alkalescent degreaser is detected by the temperature sensor 4 of oil removing unit Whether set temperature is reached, if not up to set temperature, the heating device 5 for opening oil removing unit carries out alkalescent degreaser Heating.It, will be higher by the 5 direct-fired temperature of institute of heating device in the cabinet 1 of oil removing unit using circulating heat pump 8 when heating Degreaser by circulation delivery outlet and circulation input port be pumped into cabinet 1 again, accelerate cabinet 1 in separate heating device 5 The lower degreaser of temperature heating process so that the temperature of degreaser in cabinet 1 is whole more balanced.Alkalescent oil removing The heating temperature of agent is no more than 50 degrees Celsius.
Second step will be put into degreaser recovery unit by moving lifting equipment I by the metal product of first step processing, The wind obliquely positioned at metal product two sides generated by the air outlet 15 of degreaser recovery unit is by surface of metal product Alkalescent degreaser and dirt blow off, and collected by degreaser recovery unit.What degreaser recovery unit was collected has dirt Alkalescent degreaser through degreaser recovery unit filter device 14 filtering removal dirt after, be admitted to recycling/replenishing basin 12 It is interior.If the liquid level sensor 3 by oil removing unit detects that the liquid level of the alkalescent degreaser in oil removing unit is too low, will return Alkalescent degreaser in receipts/replenishing basin 12, which is sent into oil removing unit, to be recycled.
Third step, the cabinet that washing unit one will be put by the metal product of second step processing by moving lifting equipment I In 17, make metal product is submerged in water to be cleaned.In the process of cleaning, continued by washing the aerator 19 of unit one Aeration accelerates cleaning process.Meanwhile the water containing alkalescent degreaser through over cleaning is defined as week-base water, it is recycled by water Processing unit recycles week-base water.
4th step, the cabinet 1 that derusting unit will be put by the metal product of third step processing by moving lifting equipment I It is interior, so that metal product is immersed in the faintly acid rust remover that pH value is 3~4, the supersonic generator 6 of derusting unit is opened, Metal product is carried out ultrasonic cleaning 5~30 minutes.In cleaning process, weak acid is detected by the temperature sensor 4 of derusting unit Property rust remover temperature whether reach set temperature, if not up to set temperature, open derusting unit heating device 5 to weak Acidic deruster is heated.When heating, using the circulating heat pump 8 of derusting unit by being heated in the cabinet 1 for the unit that derusts The 5 direct-fired higher rust remover of temperature of institute of device is pumped into cabinet 1 again by circulation delivery outlet and circulation input port, is added The heating process of the lower rust remover of temperature of separate heating device 5 in fast cabinet 1, so that the temperature of the rust remover in cabinet 1 Degree is whole more balanced.The heating temperature of faintly acid degreaser is no more than 50 degrees Celsius.
5th step will be put into rust remover recovery unit by moving lifting equipment I by the metal product of the 4th step processing, The wind obliquely positioned at metal product two sides generated by the air outlet 15 of rust remover recovery unit is by surface of metal product Faintly acid oil removing rust and dirt blow off, and collected by rust remover recovery unit.What rust remover recovery unit was collected has dirt Faintly acid rust remover through oil removing rust recovery unit filter device 14 filtering removal dirt after, be admitted to recycling/replenishing basin 12 It is interior.If detecting that the liquid level of the faintly acid rust remover in derusting unit is too low by the liquid level sensor 3 of derusting unit, will return Faintly acid degreaser in receipts/replenishing basin 12 is sent into derusting unit and is recycled.
6th step, the cabinet that washing unit two will be put by the metal product of the 5th step processing by moving lifting equipment I In 17, make metal product is submerged in water to be cleaned.In the process of cleaning, continued by washing the aerator 19 of unit two Aeration accelerates cleaning process.Meanwhile the water containing faintly acid rust remover through over cleaning is defined as weak acid water, it is recycled by water Processing unit recycles weak acid water.
7th step, weak acid water and third step recycling week-base water in water circular treatment unit in and be neutral water, simultaneously Water process is carried out by water circular treatment cell pairs water and forms clean water, water circular treatment unit is by the pH value of the clean water 6.5~7.5 are adjusted to, water circular treatment unit puts into clean water again recycles benefit in water used in third step and the 6th step With;
8th step will be put into drying unit by moving lifting equipment I by the metal product of the 6th step processing, using oblique Metal product is dried in downward hot wind, completes the processing of rust removing of deoiling to surface of metal product.

Claims (5)

  1. The derusting process 1. a kind of metal product deoils, which comprises the following steps:
    Metal product is immersed in ultrasonic cleaning 2~10 minutes in alkalescent degreaser by the first step, is heated in cleaning process weak Alkaline degreaser, alkalescent degreaser will be close to heating device hotter alkalescent degreaser when heating put into separate after extracting out In the colder alkalescent degreaser of heating device, so that the temperature of entire alkalescent degreaser is kept in balance;
    Second step will be put into degreaser recovery unit by the metal product of first step processing, pass through metal product two sides Wind obliquely blows off the alkalescent degreaser and dirt of surface of metal product, and is collected by degreaser recovery unit, oil removing After the alkalescent degreaser with dirt that agent recovery unit is collected is filtered off decontamination object, used by the investment first step again Alkalescent degreaser in recycle;
    Third step is cleaned the metal product by second step processing is submerged in water, in the process of cleaning, lasting to expose Gas accelerates cleaning process, meanwhile, the water containing alkalescent degreaser through over cleaning is defined as week-base water, by water circulation It manages unit and recycles week-base water;
    4th step will be immersed in ultrasonic cleaning 5~30 minutes in faintly acid rust remover by the metal product of third step processing, Faintly acid rust remover is heated in cleaning process, faintly acid rust remover will be close to the hotter faintly acid derusting of heating device when heating It is put into the colder faintly acid rust remover far from heating device after agent extraction, so that the temperature of entire faintly acid rust remover is kept It is balanced;
    5th step will be put into rust remover recovery unit by the metal product of the 4th step processing, pass through metal product two sides Wind obliquely blows off the faintly acid rust remover and dirt of surface of metal product, and is collected by rust remover recovery unit, derusting After the faintly acid rust remover with dirt that agent recovery unit is collected is filtered off decontamination object, used by the 4th step of investment again Faintly acid rust remover recycle;
    6th step is cleaned the metal product by the processing of the 5th step is submerged in water, in the process of cleaning, lasting to expose Gas accelerates cleaning process, meanwhile, the water containing faintly acid rust remover through over cleaning is defined as weak acid water, by water circulation It manages unit and recycles weak acid water;
    The week-base water of 7th step, weak acid water and third step recycling in water circular treatment unit in and be neutral water, while by water Circular treatment cell pairs water carries out water process and forms clean water, and clean water is put into third step by water circular treatment unit again And the 6th recycle in water used in step;
    The metal product by the processing of the 6th step is dried in 8th step, and completion removes deoiling for surface of metal product Rust processing.
  2. The derusting process 2. a kind of metal product as described in claim 1 deoils, which is characterized in that in the first step, alkalescent is removed Finish is heated to no more than 50 degrees Celsius;In 4th step, faintly acid rust remover is heated to no more than 50 degrees Celsius.
  3. The derusting process 3. a kind of metal product as described in claim 1 deoils, which is characterized in that the alkalescent degreaser PH value is 8~9;The pH value of the faintly acid rust remover is 3~4.
  4. The derusting process 4. a kind of metal product as described in claim 1 deoils, which is characterized in that in the 7th step, the water is followed The pH value of the clean water is adjusted to 6.5~7.5 by ring processing unit.
  5. The derusting process 5. a kind of metal product as described in claim 1 deoils, which is characterized in that in the 8th step, utilization is oblique Under hot wind metal product is dried.
CN201811235782.1A 2018-10-23 2018-10-23 A kind of metal product deoils derusting process Pending CN109338379A (en)

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CN112538622A (en) * 2020-11-12 2021-03-23 四川阳光坚端铝业有限公司 Environment-friendly process for oxidation pretreatment of aluminum profile
CN113106456A (en) * 2021-03-30 2021-07-13 金昌镍都矿山实业有限公司 Post-treatment method for granular copper anode produced by pressing
CN113560261A (en) * 2021-08-04 2021-10-29 句容市江电电器机械有限公司 Oil and rust removing treatment method for transformer surface
CN115059861A (en) * 2022-04-26 2022-09-16 广东韶钢工程技术有限公司 Circulating grid-arrangement pipe clamp rust removal protection device and application method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102389909A (en) * 2011-11-24 2012-03-28 南南铝业股份有限公司 Method and equipment for separating aluminum and aluminum alloy from extrusion mold by alkali washing
CN203144526U (en) * 2013-03-26 2013-08-21 葛勇智 Water-saving alkali wash cleaning system
CN106002641A (en) * 2016-06-13 2016-10-12 无锡强工机械工业有限公司 Water saving type oil and rust removal device
CN206083264U (en) * 2016-08-29 2017-04-12 河北新希望天香乳业有限公司 Pretreatment workshop acid -base recovery unit
CN106868525A (en) * 2017-03-23 2017-06-20 东北大学 Al alloy parts are surface-treated experimental technique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102389909A (en) * 2011-11-24 2012-03-28 南南铝业股份有限公司 Method and equipment for separating aluminum and aluminum alloy from extrusion mold by alkali washing
CN203144526U (en) * 2013-03-26 2013-08-21 葛勇智 Water-saving alkali wash cleaning system
CN106002641A (en) * 2016-06-13 2016-10-12 无锡强工机械工业有限公司 Water saving type oil and rust removal device
CN206083264U (en) * 2016-08-29 2017-04-12 河北新希望天香乳业有限公司 Pretreatment workshop acid -base recovery unit
CN106868525A (en) * 2017-03-23 2017-06-20 东北大学 Al alloy parts are surface-treated experimental technique

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112538622A (en) * 2020-11-12 2021-03-23 四川阳光坚端铝业有限公司 Environment-friendly process for oxidation pretreatment of aluminum profile
CN113106456A (en) * 2021-03-30 2021-07-13 金昌镍都矿山实业有限公司 Post-treatment method for granular copper anode produced by pressing
CN113560261A (en) * 2021-08-04 2021-10-29 句容市江电电器机械有限公司 Oil and rust removing treatment method for transformer surface
CN115059861A (en) * 2022-04-26 2022-09-16 广东韶钢工程技术有限公司 Circulating grid-arrangement pipe clamp rust removal protection device and application method thereof

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