Hubei Sanli Fengxiang Technology Blog

As a   Formaldehyde Production Plant , let me share with you. Formaldehyde gas detector, formaldehyde gas detector is not a strong inspection equipment? The digital display on the formaldehyde detection equipment. It belongs to formaldehyde equipment as well as compulsory inspection equipment. Because it belongs to the detector equipment, and formaldehyde is a harmful gas. Formaldehyde Production Silver Process The figures on the formaldehyde complete equipment show the above conclusion. Its specification is the specified value. Therefore, it can be used to check whether the formaldehyde exceeds the standard formaldehyde equipment related issues. Some specific questions have been raised above and specific answers have been given. Come to understand and master very well, everyone can have a thorough knowledge and understanding. In this way, the talent is enough to apply what you have learned in practice, and at the same time, you can benefit a lot. So as to improve the use effect of...

As a   Hydrogen Peroxide Plant , share it with everyone. Alkaline  Hydrogen Peroxide  preparation method: quinone-containing air electrode for the production of alkaline hydrogen peroxide. It is characterized in that each pair of electrodes is composed of an anode plate, a plastic mesh, a cationic diaphragm and a quinone-containing air cathode. It is equipped with a distribution chamber for entering fluid and a collection chamber for discharging fluid. There is a throttle hole at the fluid inlet. The multi-element electrode adopts a restricted dipole series connection method, and the plastic soft for the inlet and outlet of the anode circulating alkali water is lengthened. The tube is then connected to the header pipe, and the multi-element electrode group is assembled by the unit electrode plate. Hydrogen Peroxide Phosphoric acid neutralization method: It is characterized in that it is prepared from an aqueous sodium peroxide solution with the following steps: (1) Neutra...

As an   Ethyl Acetate Plant Supplier , share with you. Ethyl Acetate Production Technology 1. The esterification reaction is a reversible reaction. In order to increase the yield of esters, the reaction must be made as far as possible to facilitate the formation of esters. Generally, one of the reactants acid and alcohol is made in excess. In industrial production, which kind of excess is better, generally depends on whether the raw materials are easily available, whether the price is cheap, and whether it is easy to recycle and other specific circumstances. In the laboratory, the method of excessive ethanol is generally used. The mass fraction of ethanol should be high, and the effect would be better if the ethanol with a mass fraction of 95% could be replaced by anhydrous ethanol. The amount of concentrated sulfuric acid used in the catalysis is very small. Generally, the catalysis can be completed as long as the quality of sulfuric acid reaches 3% of the mass of ethanol. However...

As an   Ethyl Acetate Plant , share with you. 1. The esterification reaction is a reversible reaction. In order to increase the yield of esters, the reaction must be made as far as possible to facilitate the formation of esters. Generally, one of the reactants acid and alcohol is made in excess. In industrial production, which excess is better depends on the availability of raw materials, whether they are cheap, and whether they are easy to recycle. In the laboratory, an excess of ethanol is generally used. The mass fraction of ethanol should be high. It would be better if the ethanol with a mass fraction of 95% could be replaced by absolute ethanol. The amount of concentrated sulfuric acid used in the catalysis is very small. Generally, the catalysis can be completed as long as the mass of sulfuric acid reaches 3% of the mass of ethanol. However, in order to remove the water generated in the reaction, the amount of concentrated sulfuric acid should be slightly larger. 2. When prep...

As a   Hydrogen Peroxide Manufacturing Plant , share with you. Steam running at the bottom of the distillation tower (that is, heating steam fleeing into the residual liquid and overflowing) is generally caused by the large amount and pressure of heating steam. At this time, the amount and pressure of steam can be reduced appropriately. If the liquid level of the residual liquid in the heating kettle at the bottom of the tower is too low (less than 1/2 of the total height of the tower kettle section), the phenomenon of less liquid and more vapor will also occur when the spent grains are discharged. Distillation Technology The solution is to temporarily close down or close the outlet valve to increase the liquid level and maintain the residual liquid height in the tower kettle section. When using a buoy-type drainer, if the buoy is stuck and cannot fall, it will also cause excessive discharge of the waste liquid. Therefore, we must pay attention to the mechanical failure of the drai...

As a   Formaldehyde Production Plant , let me share with you. Formaldehyde production technology is well-known for the wide range of uses of methylal, and its application is bound to involve all aspects of storage and transportation. When raw materials leave the factory, it is important to arrive safely. What are the precautions during transportation and storage and transportation? Formaldehyde Production Silver Process Long-term storage tanks should be equipped with breathing valves, the tanks should be sprayed with cold water in summer, and the tanks should be shaded and insulated if necessary. Give full play to the maximum use of raw materials, achieve the best product application, and complete safe production from the source to the end. The safety of the methylal transport fleet is more important than Mount Tai. Methylal is a first-class flammable liquid and is non-corrosive to metals. It can be stored in iron, mild steel, copper or aluminum containers. At the same time, due to...

  As a   Hydrogen Peroxide Manufacturing Plant , share with you. Composition and layout of distillation tower system The distillation tower system is composed of simple distillation tower, reboiler, condenser, reflux tank and other equipment. Generally, it is arranged as close as possible to form an independent operating system according to the sequence of the process and in compliance with the requirements of the specification. Similar equipment is centrally arranged. For example, the condenser is generally arranged on the third floor, and the return tank is arranged on the second floor. Distillation Technology On the floor, the reboiler is installed at the bottom of the distillation tower, and the pump is arranged on the first floor. This is not only neat and beautiful, but also convenient to operate. Due to the particularity of the reboiler, its related equipment and pipelines need to be carefully designed. Distillation tower system operation The liquid at the bottom of the...