According to the monitoring conducted by the Guizhou Provincial Energy Conservation Monitoring Center, the power consumption of the synthetic ammonia process of three companies is higher than the key product limit of the province (1,500 kwh per ton), and the maximum is 2182 kwh per ton. From the perspective of the comprehensive energy consumption of ammonia producers, there are two companies whose comprehensive energy consumption of synthetic ammonia is close to the domestic advanced level of 1914 kg of standard coal per ton of ammonia, and the three companies are far away from this standard, with the maximum of 3132 kg of ammonia per ton. Standard coal. At the same time, the comprehensive energy consumption of cesium carbonate, monoammonium phosphate, diammonium phosphate, coke and other products completed better, while the AC power consumption of caustic soda, calcium carbide smelting power consumption, and manganese dioxide power consumption exceeded the energy consumption limit of key products in the province.
From the monitoring results, Guizhou Province's chemical fertilizer industry, especially the nitrogen fertilizer plant, has a very high energy consumption of 10,000 yuan and energy consumption per unit of product. Energy conservation and consumption reduction are very arduous. Although 8 companies in 10 companies have established energy management systems including a three-tier energy management network, most energy management systems are still in a formal state and have not played their due role. Only one of the 10 companies has appointed energy management personnel and has formulated and implemented energy responsibility systems. At the same time, most enterprises have a serious shortage of energy consumption quota management, extensive energy management, and energy statistics. Most general-purpose energy-consuming devices have low power utilization.
Thermoforming is a manufacturing process used to shape plastic sheets into various custom design products. It involves heating a plastic sheet until it becomes pliable, then using a mold or a vacuum to form it into the desired custom shape.
Thermoforming and vacuum forming are both processes used to shape plastic sheets into specific forms. However, there are some differences between the two techniques:
1. Process: In thermoforming, a plastic sheet is heated until it becomes pliable, and then it is pressed against a mold using pressure or a vacuum. Vacuum forming, on the other hand, relies solely on the use of a vacuum to draw the heated plastic sheet onto the mold.
2. Mold complexity: Thermoforming is typically used for more complex shapes and intricate molds, as it allows for greater detail and precision. Vacuum forming, on the other hand, is better suited for simpler shapes and molds that do not require as much detail.
3. Material thickness: Thermoforming is often used for thicker plastic sheets, typically ranging from 0.030 to 0.250 inches in thickness. Vacuum forming is more commonly used for thinner plastic sheets, typically ranging from 0.005 to 0.060 inches in thickness.
4. Production volume: Thermoforming is generally more suitable for high-volume production due to its faster cycle times and ability to handle larger sheets of plastic. Vacuum forming is better suited for low to medium volume production, as it has slower cycle times and is limited by the size of the vacuum forming machine.
5. Cost: Thermoforming typically requires more expensive equipment and molds, making it a more costly process compared to vacuum forming. Vacuum forming, on the other hand, is a more cost-effective option for smaller production runs or prototypes.
Overall, thermoforming is a more advanced and versatile process that offers greater precision and complexity, while vacuum forming is a simpler and more cost-effective option for less complex shapes and smaller production volumes.
Thermoforming is a versatile process that is widely used in industries such as packaging, automotive, aerospace, and medical. It offers advantages such as cost-effectiveness, quick turnaround times, and the ability to produce complex shapes with high precision.
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