1. Cobalt oxide: usually cobalt oxalate or cobalt carbonate as raw materials calcined at 500-600 ℃ cobalt oxide, the main reaction is as follows:
CoC2O4 == CoO + CO + CO2; CoCO3 == CoO + CO2
2. Cobalt hydroxide: It can usually be neutralized with sodium hydroxide solution in cobalt chloride solution or cobalt sulfate solution. The main reactions are as follows:
Co2 ++ 2OH - == Co (OH) 2 Co (OH) 2 + O2 + 2H2O == 4Co (OH) 3
3. Cobalt chloride: usually available cobalt powder with dilute hydrochloric acid into cobalt chloride solution, and then crystallized by evaporation of cobalt chloride crystals, the main reaction is as follows: Co + HCl --- COCl2; Co + H2SO4 --- COSO4
4. Cobalt sulfate: usually cobalt oxide as raw material, dissolved in sulfuric acid after evaporation crystallization of pink cobalt sulfate crystals, the main reaction is as follows: CoO + H2SO4 == CoSO4 + H2O
5. Cobalt carbonate: It can usually be obtained by precipitation with sodium carbonate solution in cobalt chloride solution or cobalt sulfate solution. The main reactions are as follows:
CoCl2 + Na2CO3 == CoCO3 + 2NaCl
6. Cobalt oxalate: It can usually be precipitated with ammonium oxalate solution in cobalt chloride solution or cobalt sulfate solution. The main reactions are as follows:
(NH4) 2C2O4 + CoCl2 == CoC2O4 + 2NH4Cl
7. Oxidation of high cobalt: cobalt carbonate or cobalt oxalate can usually be heated in oxygen, further oxidation obtained, the main reaction is as follows:
3CoCO3 + O2 ==== Co2O3 ++ CO2; CoC2O4 + O2 ==== Co2O3 + CO2 + CO
8. Cobalt Hydroxide: 4Co (OH) 2 + O2 + 2H2O === 4Co (OH) 3; 2Co (OH) 2 + NaClO + H2O == 2Co (OH) 3 +
2Co (OH) 3 + 6HCl == 2CoCl2 + Cl2 + 6H2O
Cobalt Compounds Cobalt Compounds,Spinel Compounds,Multi-Functional Electrolytic Copper,High-Volume Electrolytic Copper Ningxia Tongji International Trade Co.,Ltd. , https://www.tongjiinternational.com
Puxin Hardware Introduces Automation Equipment
The rumbling of the rumbling...the sound of the rumbling smashed the silence of the morning. Recently, the sound of the collision between the machinery in the Puxin hardware factory was especially crisp. After the sound, the original batch of automation equipment of Puxin Hardware was officially started. Started! From manual tapping to automatic tapping, from manual drilling to simultaneous drilling of machines, from manual control to programming automation... Yin Xuhong, director of Puxin Hardware, said that with the continuous investment in production, the old artificial equipment will be gradually Elimination, the introduction of automated production equipment for the development of Pu Xin speed.
Subsequently, Director Yin Xuhong took the author to visit and demonstrate the operation of the new equipment. It is understood that in the absence of automated equipment, many parts of Puxin need to be processed one by one. At the scene, the author has seen that as long as a pile of lock cylinders, locks and other components are poured into an inverted triangular container, the machine can automatically perform one tapping and drilling, drilling, etc., and the whole process does not need to be carried out. Human time is guarded. Yin Xuhong said that in addition to the gradual in place of automation equipment, Puxin Hardware also sent engineers to the relevant automation equipment company to study and improve their programming technology, which will greatly enhance the production efficiency and product quality of Puxin Hardware Electronic Lock.
In recent years, due to the rising labor costs and the global economic downturn, factory orders are unstable, which has caused many factories to face difficulties in recruiting and using people. Seeing the new look of Puxin Hardware, it can be found that automated production equipment can not only reduce labor costs, but also improve the production efficiency of the factory.
In addition, Yin Xuhong also revealed that the investment in adding new equipment is quite large, and this investment will be continuous. At present, there are panel tapping machines, hexagonal positioning chamfering machines, economic plastic chamfering machines and high frequency plastic welding machines. The machine was put into operation, and two of the electronic lock advanced programming machines have not yet officially arrived. After all the new equipments are in place and the debugging is successful, the production efficiency of Puxin Hardware will double, and the quality of the products will be more stable. And gradually develop towards the standardization of large-scale modernization.