Aluminum nitrate, white transparent crystal. Deliquescent. Soluble in water and ethanol, very slightly soluble in acetone, almost insoluble in ethyl acetate and pyridine. The aqueous solution is acidic, oxidizing, and can cause burning and friction with organic substances.
Special drying equipment for aluminum nitrate
The product can indirectly heat or cool the paste, granular, powder, and slurry materials, and can complete unit operations such as drying, cooling, heating, sterilization, reaction, and low temperature combustion. The special wedge-type stirring heat transfer blade in the equipment has high heat transfer efficiency and self-cleaning function of the heat transfer surface.
Special drying equipment for aluminum nitrate Working principle:
A hollow hollow blade is densely arranged on the hollow shaft, and the heat medium flows through the blade through the hollow shaft. The heat transfer area in the effective volume per unit is large, and the temperature of the heat medium is from -40 ° C to 320 ° C. It can be water vapor or liquid type: such as hot water and heat transfer oil. Indirect conduction heating, no air is carried away to remove heat, and heat is used to heat the material. The heat loss is only the heat dissipation to the environment through the insulation of the body. The wedge-shaped blade heat transfer surface has a self-cleaning function. The relative movement of the material particles and the wedge surface produces a scrubbing action, which can wash away the adhering material on the wedge surface, so that a clean heat transfer surface is maintained during operation. The shell of the paddle dryer is of the omega type, and two to four hollow agitating shafts are generally arranged in the casing. The housing has a sealed end cover and an upper cover to prevent material dust from leaking out and fully functioning.
The heat transfer medium passes through the rotary joint and flows through the casing jacket and the hollow agitating shaft. The hollow agitating shaft has different internal structures according to the type of the heat medium to ensure an optimal heat transfer effect.
Special drying equipment for aluminum nitrate Features:
◎ Low energy consumption of the blade dryer: Due to indirect heating, there is not a large amount of air carrying heat, and the outer wall of the dryer is provided with an insulation layer. For the slurry material, only 1.2 kg of water vapor is required to evaporate 1 kg of water.
◎The blade leaf dryer system has low cost: It has a huge heat transfer surface in the effective volume of the unit, which shortens the processing time and reduces the size of the equipment. It greatly reduces the building area and building space.
◎ Wide range of processing materials: Different heat media can be used to process both heat sensitive materials and materials requiring high temperature treatment. Commonly used media are: water vapor, heat transfer oil, hot water, cooling water, etc. It can be operated continuously or intermittently and can be applied in many fields.
◎ Small environmental pollution: no air is used, and dust materials are rarely entrained. The solvent evaporation of the material is small and easy to handle. For contaminated materials or conditions requiring recovery of solvents,
Closed loop.
◎ Low operating cost: low wear and low maintenance costs.
◎Stable operation: Due to the special compression-expansion and agitation of the wedge-shaped blade, the material particles are fully in contact with the heat transfer surface. In the axial interval, the temperature, humidity and mixing gradient of the material are small, thus ensuring the process. Stability.
The impact of the sludge dryer manufacturing process on the product:
In the manufacture and processing of sludge dryers, it is affected by many factors, which will also have a certain impact on the performance and quality of the products. For example, the design quality of the sludge dryer manufacturing process, the cumbersome or simple processing process, the stability of the system performance, the hole position characteristics, the management method and the assembly quality, etc., as long as one item does not meet the requirements, it may be Product production and processing have a negative impact.
In order to ensure that the product quality meets the standards, the influencing factors that may occur during the manufacturing process of the sludge dryer are reasonably and effectively controlled. After research by relevant scholars, it is concluded that some remedies can be solved:
First of all, we must optimize the quality of the relevant components of the sludge dryer manufacturing equipment, and then we must improve the efficiency of the sludge dryer control, prevent the error rate and increase the productivity through effective control. The last point is to start from the beginning of the processing equipment design. The testability and production reliability of the product are analyzed. After the production is completed, it is first applied to the single-piece production. By testing the reliability of the production and processing of the sludge dryer to prevent the occurrence of errors and errors, the deviation problem is solved from the source.
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