CN108301036A - A kind of method of energy saving aluminium scrap electrolysis paraffin removal - Google Patents
A kind of method of energy saving aluminium scrap electrolysis paraffin removal Download PDFInfo
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- CN108301036A CN108301036A CN201711492830.0A CN201711492830A CN108301036A CN 108301036 A CN108301036 A CN 108301036A CN 201711492830 A CN201711492830 A CN 201711492830A CN 108301036 A CN108301036 A CN 108301036A
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- aluminium scrap
- electrolysis
- paraffin removal
- energy saving
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
- C25F1/02—Pickling; Descaling
- C25F1/04—Pickling; Descaling in solution
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The present invention discloses a kind of method of energy saving aluminium scrap electrolysis paraffin removal, including following operating procedure：（1）By aluminium scrap surface wash with water it is clean after, aluminium scrap is put into hot dipping liquid, 8 10min of immersion treatment；（2）Step will be passed through（1）The aluminium scrap of processing is added into electrolysis dewaxing groove, and the time for being electrolysed paraffin removal is 25 35 seconds, and current density is 3 4A/dm.A kind of method of energy saving aluminium scrap electrolysis paraffin removal provided by the invention, environmentally protective, raw material is easy to get, time-consuming short, removes wax liquor and low current density using room temperature electrolysis, energy consumption is relatively low, has saved production cost.
Description
Technical field
The invention belongs to aluminium scrap processing technique fields, and in particular to a kind of method of energy saving aluminium scrap electrolysis paraffin removal.
Background technology
Aluminium is recycled after pretreatment, a part can carry out cold work, it is made to become In Powdered Aluminium, another part meeting
It is recycled again using modes such as dense-media process, parabolic beneficiating methods.But some aluminium scrap surfaces being collected into contain
There are a large amount of wax and some macromolecule organics, these substances to be adhered to aluminium scrap surface, it is difficult to remove, seriously affect useless
The subsequent processing performance of aluminium uses organic solvent to clean and removes these substances in the prior art, but a large amount of organic substance meeting
Serious pollution environment, and cost is higher, and the time of processing is long.
Invention content
In order to solve the above technical problem, the present invention provides a kind of methods that energy saving aluminium scrap is electrolysed paraffin removal.
The present invention is achieved by the following technical solutions.
A kind of method of energy saving aluminium scrap electrolysis paraffin removal, including following operating procedure：
（1）By aluminium scrap surface wash with water it is clean after, aluminium scrap is put into hot dipping liquid, immersion treatment 8-10min, wherein hot dipping
Liquid is made of the component of following parts by weight：5-9 parts of ethoxy urea, 1-4 parts of ethanedioic acid ammonium, 3-8 parts of diphenylamine sulfonic acid sodium salt, water 390-
420 parts；
（2）Step will be passed through（1）The aluminium scrap of processing is added into electrolysis dewaxing groove, and the time for being electrolysed paraffin removal is 25-35 seconds, electric current
Density is 3-4A/dm, wherein electrolysis is made except wax liquor of the component of following parts by weight：11-19 parts of methylpropene sodium sulfonate, second two
8-13 parts of amido propanesulfonate, 4-10 parts of decanedioic acid disodium salt, 2-5 parts of ehtyl potassium xanthate, hydroxy ethylene diphosphonic acid sylvite
1-3 parts, 380-400 parts of water.
Specifically, above-mentioned steps（1）In, temperature when hot dipping liquid is handled is 75-80 DEG C.
Specifically, above-mentioned steps（2）In, electrolysis is room temperature except the temperature of wax liquor.
Specifically, above-mentioned steps（2）In, anode is aluminium scrap, and cathode is protection rust steel plate material.
From the above technical scheme, it can be seen that the beneficial effects of the invention are as follows：
A kind of method of energy saving aluminium scrap electrolysis paraffin removal provided by the invention, environmentally protective, raw material is easy to get, time-consuming short, using room temperature
Electrolysis removes wax liquor and low current density, and energy consumption is relatively low, has saved production cost.Wherein, step（1）In hot dipping liquid, may make
The wax layer on aluminium scrap surface become loose, and then the effect of electrolysis paraffin removal can be promoted, shortening the time of electrolysis paraffin removal simultaneously reduces energy
Consumption；Step（2）In electrolysis remove wax liquor, permeability is stronger, and dispersion performance is notable, can effectively be promoted electrolysis paraffin removal effect.
Specific implementation mode
Following embodiment cannot be used for limiting the scope of the invention for illustrating the present invention.The reality used in embodiment
The condition of applying can be for further adjustments according to the condition of producer, and unaccounted implementation condition is usually conventional laboratory conditions.
Embodiment 1
A kind of method of energy saving aluminium scrap electrolysis paraffin removal, including following operating procedure：
（1）By aluminium scrap surface wash with water it is clean after, aluminium scrap is put into hot dipping liquid, immersion treatment 8min, wherein hot dipping liquid
It is made of the component of following parts by weight：5 parts of ethoxy urea, 1 part of ethanedioic acid ammonium, 3 parts of diphenylamine sulfonic acid sodium salt, 390 parts of water；
（2）Step will be passed through（1）The aluminium scrap of processing is added into electrolysis dewaxing groove, and the time for being electrolysed paraffin removal is 25 seconds, and electric current is close
Degree is 3A/dm, wherein electrolysis is made except wax liquor of the component of following parts by weight：11 parts of methylpropene sodium sulfonate, ethylenediamine base third
8 parts of sodium sulfonate, 4 parts of decanedioic acid disodium salt, 2 parts of ehtyl potassium xanthate, 1 part of hydroxy ethylene diphosphonic acid sylvite, 380 parts of water.
Specifically, above-mentioned steps（1）In, temperature when hot dipping liquid is handled is 75 DEG C.
Specifically, above-mentioned steps（2）In, electrolysis is room temperature except the temperature of wax liquor.
Specifically, above-mentioned steps（2）In, anode is aluminium scrap, and cathode is protection rust steel plate material.
Embodiment 2
A kind of method of energy saving aluminium scrap electrolysis paraffin removal, including following operating procedure：
（1）By aluminium scrap surface wash with water it is clean after, aluminium scrap is put into hot dipping liquid, immersion treatment 9min, wherein hot dipping liquid
It is made of the component of following parts by weight：7 parts of ethoxy urea, 3 parts of ethanedioic acid ammonium, 5 parts of diphenylamine sulfonic acid sodium salt, 400 parts of water；
（2）Step will be passed through（1）The aluminium scrap of processing is added into electrolysis dewaxing groove, and the time for being electrolysed paraffin removal is 30 seconds, and electric current is close
Degree is 3A/dm, wherein electrolysis is made except wax liquor of the component of following parts by weight：17 parts of methylpropene sodium sulfonate, ethylenediamine base third
11 parts of sodium sulfonate, 6 parts of decanedioic acid disodium salt, 3 parts of ehtyl potassium xanthate, 2 parts of hydroxy ethylene diphosphonic acid sylvite, 390 parts of water.
Specifically, above-mentioned steps（1）In, temperature when hot dipping liquid is handled is 78 DEG C.
Specifically, above-mentioned steps（2）In, electrolysis is room temperature except the temperature of wax liquor.
Specifically, above-mentioned steps（2）In, anode is aluminium scrap, and cathode is protection rust steel plate material.
Embodiment 3
A kind of method of energy saving aluminium scrap electrolysis paraffin removal, including following operating procedure：
（1）By aluminium scrap surface wash with water it is clean after, aluminium scrap is put into hot dipping liquid, immersion treatment 10min, wherein hot dipping liquid
It is made of the component of following parts by weight：9 parts of ethoxy urea, 4 parts of ethanedioic acid ammonium, 8 parts of diphenylamine sulfonic acid sodium salt, 420 parts of water；
（2）Step will be passed through（1）The aluminium scrap of processing is added into electrolysis dewaxing groove, and the time for being electrolysed paraffin removal is 35 seconds, and electric current is close
Degree is 4A/dm, wherein electrolysis is made except wax liquor of the component of following parts by weight：19 parts of methylpropene sodium sulfonate, ethylenediamine base third
13 parts of sodium sulfonate, 10 parts of decanedioic acid disodium salt, 5 parts of ehtyl potassium xanthate, 3 parts of hydroxy ethylene diphosphonic acid sylvite, 400 parts of water.
Specifically, above-mentioned steps（1）In, temperature when hot dipping liquid is handled is 80 DEG C.
Specifically, above-mentioned steps（2）In, electrolysis is room temperature except the temperature of wax liquor.
Specifically, above-mentioned steps（2）In, anode is aluminium scrap, and cathode is protection rust steel plate material.
Certainly, above description is not limitation of the present invention, and the present invention is also not limited to the example above, the art
Those of ordinary skill, the present invention essential scope in, variation, change, addition or the replacement made, should all belong to the present invention
Protection domain.
Claims (4)
1. a kind of method of energy saving aluminium scrap electrolysis paraffin removal, which is characterized in that including following operating procedure：
（1）By aluminium scrap surface wash with water it is clean after, aluminium scrap is put into hot dipping liquid, immersion treatment 8-10min, wherein hot dipping
Liquid is made of the component of following parts by weight：5-9 parts of ethoxy urea, 1-4 parts of ethanedioic acid ammonium, 3-8 parts of diphenylamine sulfonic acid sodium salt, water 390-
420 parts；
（2）Step will be passed through（1）The aluminium scrap of processing is added into electrolysis dewaxing groove, and the time for being electrolysed paraffin removal is 25-35 seconds, electric current
Density is 3-4A/dm, wherein electrolysis is made except wax liquor of the component of following parts by weight：11-19 parts of methylpropene sodium sulfonate, second two
8-13 parts of amido propanesulfonate, 4-10 parts of decanedioic acid disodium salt, 2-5 parts of ehtyl potassium xanthate, hydroxy ethylene diphosphonic acid sylvite
1-3 parts, 380-400 parts of water.
2. a kind of method of energy saving aluminium scrap electrolysis paraffin removal according to claim 1, which is characterized in that above-mentioned steps（1）In,
The temperature when processing of hot dipping liquid is 75-80 DEG C.
3. a kind of method of energy saving aluminium scrap electrolysis paraffin removal according to claim 1, which is characterized in that above-mentioned steps（2）In,
Electrolysis is room temperature except the temperature of wax liquor.
4. a kind of method of energy saving aluminium scrap electrolysis paraffin removal according to claim 1, which is characterized in that above-mentioned steps（2）In,
Anode is aluminium scrap, and cathode is protection rust steel plate material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711492830.0A CN108301036A (en) | 2017-12-30 | 2017-12-30 | A kind of method of energy saving aluminium scrap electrolysis paraffin removal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711492830.0A CN108301036A (en) | 2017-12-30 | 2017-12-30 | A kind of method of energy saving aluminium scrap electrolysis paraffin removal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108301036A true CN108301036A (en) | 2018-07-20 |
Family
ID=62867995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711492830.0A Pending CN108301036A (en) | 2017-12-30 | 2017-12-30 | A kind of method of energy saving aluminium scrap electrolysis paraffin removal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108301036A (en) |
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2017
- 2017-12-30 CN CN201711492830.0A patent/CN108301036A/en active Pending
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180720 |
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| WD01 | Invention patent application deemed withdrawn after publication |