SU56278A1 - The method of etching metals - Google Patents
The method of etching metalsInfo
- Publication number
- SU56278A1 SU56278A1 SU3074A SU3074A SU56278A1 SU 56278 A1 SU56278 A1 SU 56278A1 SU 3074 A SU3074 A SU 3074A SU 3074 A SU3074 A SU 3074A SU 56278 A1 SU56278 A1 SU 56278A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- etching
- metal
- sulfuric acid
- etching metals
- hydrogen
- Prior art date
Links
Landscapes
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- ing And Chemical Polishing (AREA)
Description
Обычно примен емый метод травлени металла на металлообрабатывающих машиностроительных и метизных заводах св зан с большими потер ми серной кислоты и излишней потерей металла в виде угара. Выдел ющийс при травлении металла водород увлекает с собою в атмосферу серную кислоту в виде мельчайших частиц, которые корродирующим образом действуют на подъемные механизмы и другие металлические конструкции травильных цехов.The commonly used method of metal etching in metal-working machine-building and hardware factories is associated with large losses of sulfuric acid and excessive metal loss in the form of carbon monoxide. Hydrogen released during etching of the metal carries sulfuric acid into the atmosphere in the form of the smallest particles that act in a corrosive manner on lifting mechanisms and other metal structures of the etching workshops.
Так как дл травлени металла примен етс техническа серна кислота, содержаща следы мышь ка, то вместе с водородом проникает в рабочее помещение мышь ковистый водород, вредно действующий на работающий персонал.Since technical sulfuric acid containing traces of arsenic is used for etching metal, covalent hydrogen penetrates into the working room of the mouse along with hydrogen, which is harmful to working personnel.
Предлагаемый способ травлени металла заключаетс в том, что в травильную ванну к обычным кислотным растворам перед началом травлени прибавл ют порошок анабазиса, получаемого в виде отхода после извлечени алкалоида анабазина. При этом на поверхности травильной ванны образуетс густа пена, котора преп тствует выделению мышь ковистого водорода и уносу серной кислоты с выдел ющимис газами. Уменьшение расхода серной кислоты при применении такой присадки составл ет около по сравнению с травлением без присадки . На такой же процент уменьшаетс и угар металла.The proposed metal etching method consists in adding anabasis powder, which is obtained as a waste after anabasin alkaloid extraction, to the acid bath before the etching. In this case, a thick foam is formed on the surface of the pickling bath, which prevents the release of arcuate hydrogen and the entrainment of sulfuric acid with evolved gases. Reducing the consumption of sulfuric acid when using such an additive is about as compared to etching without an additive. The waste of metal is reduced by the same percentage.
Пример. В травильную ванну, содержащую серную кислоту, прибавл ют IVo порошка анабазиса-отхода и производ т травление металла при температуре до 95°. Травление металла ведут до полного использовани кислоты .Example. Into the pickling bath containing sulfuric acid, IVo of anabasis waste powder is added and the metal is etched at a temperature of up to 95 °. Metal etching is carried out until acid is completely used.
Предмет изобретени .The subject matter of the invention.
Способ травлени металлов, отличающийс тем, что к обычным кислотным травильным растворам в качестве присадки добавл ют порошок анабазиса-отхода после извлечени алкалоида анабазина.The method of etching metals, characterized in that anabasis waste powder is added to the usual acid etching solutions as an additive after extraction of the anabasin alkaloid.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU3074A SU56278A1 (en) | 1939-05-13 | 1939-05-13 | The method of etching metals |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU3074A SU56278A1 (en) | 1939-05-13 | 1939-05-13 | The method of etching metals |
Publications (1)
Publication Number | Publication Date |
---|---|
SU56278A1 true SU56278A1 (en) | 1939-11-30 |
Family
ID=48365172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU3074A SU56278A1 (en) | 1939-05-13 | 1939-05-13 | The method of etching metals |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU56278A1 (en) |
-
1939
- 1939-05-13 SU SU3074A patent/SU56278A1/en active
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