Benefits of chemical cleaning of thermal oil furnace

Chemical cleaning has the following benefits:

1. Effectively remove solidified or semi-cured grease on the pipe wall. Thermal oil furnace

2. Effectively remove medium and high temperature carbon deposits formed by carbonization of heat transfer oil. Thermal oil furnace

3. Prevent aging failure of heat transfer oil, improve heat transfer efficiency, reduce energy consumption, and save operating costs. Under normal circumstances, energy can be saved by more than 5%. Thermal oil furnace

4. Prevent partial failure of the furnace pipe and prolong the service life. Thermal oil furnace

5. Guarantee product quality and production tasks. Thermal oil furnace

The coking carbon produced by the heat transfer oil during use will form a thermal insulation layer, which will result in a decrease in heat transfer effect, an increase in exhaust gas temperature, and an increase in fuel consumption. On the other hand, due to the demand for production process temperature, the furnace wall is heated. The temperature difference will rise sharply. If the temperature difference between the inside and outside of the furnace tube is increased to 600-700 °C, it is easy to burn through the furnace tube, causing fire safety accidents. Thermal oil furnace

The heat-conducting oil furnace cleaning agent mainly combines three basic components of alkali, organic solvent and surfactant (SAA), and adds other additives such as complexing agent, oxidizing agent, corrosion inhibitor, adsorbent and anti-deposition agent. Then through the effects of heating, mechanical scouring, etc., the goal of removing the scorch in the system is finally achieved. The cleaning agent clearing action is achieved by solubilization, wetting, adsorption, emulsification and dispersion of the surfactant. The following are some of the solutions listed by Qilian Heat Transfer Oil Furnace Experts, which combines the chemical cleaning technology of heat transfer oil furnaces at home and abroad. Thermal oil furnace

1 alkaline washing and pickling two-step process: discharge heat transfer oil → steam purge oil → alkaline cleaning agent → water rinse → pickling → passivation → completed. Principle: The alkaline water-based cleaning agent has a good effect on the oily medium temperature carbon deposition. However, the dense graphitized high temperature carbon deposit layer remains on the inner wall of the test piece after treatment, so it must be removed by further pickling to avoid the residual carbon layer. Heat transfer oil quality and heat transfer effect. The alkaline washing and pickling two-step cleaning process is used for heat medium furnace and pipeline carbon deposition, and has the advantages of high cleaning rate, low cleaning temperature, non-toxicity and low cleaning cost. Although the method can remove the scale layer, the process is numerous, there is acid-base corrosion, shortening the life of the machine, causing secondary pollution, and it is carried out in the case of stopping the heat-conducting oil furnace, which affects production. Thermal oil furnace

2 dissolution cleaning process: discharge heat transfer oil → steam purge oil → organic solvent cleaning solution (organic solvent + SAA + additives) cleaning → passivation. Principle: Since coke scale is a complex mixed dirt with organic matter-based components, the adhesion to the metal surface is mainly the physical adsorption of van der Waals force. The "dissolving washing method" is used to dissolve the tar in an organic solvent, with organic matter. Dissolved and naturally removed. The cleaning ability of the cleaning agent is quite strong and is not greatly affected by temperature. The cleaning agent is cleaned and filtered, and then added with an appropriate amount of surfactant and auxiliary agent for repeated use. The residue can be incorporated into coal for combustion, which reduces costs and reduces environmental pollution. However, the cleaning agent is volatile, low in safety and high in cost. Thermal oil furnace

3 composite cleaning agent cleaning process: discharge heat transfer oil → steam purged oil → cleaning fluid cycle cleaning. Principle: The composite cleaning agent is mainly composed of several surfactants under the synergistic action of the builder, first adsorbing on the surface of the grease to wet and expand, and then the cleaning agent penetrates into the grease gap to make the oil gradually shrink under the action of the composite cleaning agent. The continuous emulsification of the micelles by the continuous cycle of the pump can disperse the emulsified oily dirt from the heat transfer surface. The cleaning agent can effectively disintegrate, disperse, and efficiently dissolve organic hydrocarbons. The process is simple and basically non-corrosive to equipment. However, this method will cause secondary pollution and must be cleaned in the case of parking to affect production. Thermal oil furnace

4 organic additive cleaning process: only need to add additives in the running heat transfer oil can be used to peel off the carbon and then clarify the filter to remove the oil residue. Principle: This additive utilizes the principle of similar compatibility to elute tar scale or degrade tar scale to prevent deterioration of the heat transfer oil. This method can be used in the case of non-stop cleaning additives can withstand high temperatures above 260 ° C dissolved in heat transfer oil does not affect the thermal conductivity of the oil can not exceed one thousandth of the heat transfer oil. When used, the heat transfer oil furnace and piping do not need to cool down and do not affect production. The process is simple and cost-effective. The heat transfer oil after removing the oil residue can be reused without polluting the environment. The chemical cleaning method cleans the heat transfer oil pipeline. Thermal oil furnace

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Taikang Yinyu Boiler Manufacturing Co., Ltd. is the manufacturer of the national fixed-point B-class boiler pressure vessel. The company's main products are: vertical horizontal coal, gas, fuel steam (hot water) boiler, environmentally friendly double grate anti-burning Sixteen series of steam boilers, electric steam (hot water) boilers, vertical horizontal organic heat, high, medium and low temperature hot air stoves, 153 medium specifications. The products sell well in more than 20 provinces, municipalities and autonomous regions in China, and are exported to Central Asia and Southeast Asian countries and regions such as Russia, Mongolia, South Korea, Vietnam, etc., and are deeply loved by users. Thermal oil furnace