Self-contained cleaning tank

Use a scrap steel plate to fabricate a square container. About 300 millimeters above the base of the box, square iron bars are welded at each corner to provide structural support. A steel plate, 3 to 5 millimeters thick, is then drilled with a small hole, approximately 3 to 5 millimeters in diameter, and placed on top of these corner supports. A drain valve is installed at the bottom of the box for easy removal of water or oil. When in use, first fill the tank with 250 millimeters of water, then carefully add diesel fuel. Since diesel is less dense than water, it will float on top, creating a clear separation between the two liquids. This prevents mixing and allows for easy cleaning. For maintenance, place the parts to be cleaned on the steel sieve plate. As you rinse them, dirt and debris will fall through the holes into the lower part of the box. The diesel on the upper layer remains clean and can be reused multiple times, saving both time and resources. After repeated use, the contaminated water at the bottom can be drained out and replaced with fresh water. Alternatively, you can completely drain both the water and diesel, clean the tank thoroughly, and refill it with new water. The used diesel can still be retained and reused, making the system efficient and environmentally friendly. This design not only simplifies the cleaning process but also promotes resource conservation.

API Products

An active substance is the main active ingredient in a drug. Take a simple aspirin for example. Acetyl salicylic acid is synthesized through chemical process and purified to a specified purity. The synthesis of acetyl salicylic acid is made by adding various excipients, such as fillers, adhesives, disintegrating agents, etc., and then pressing it into tablets. The production of apis is generally either pure chemical synthesis, biological fermentation, or semi-synthesis, with biological fermentation followed by extraction followed by synthesis. Not all pharmaceutical enterprises make API by themselves, and many manufacturers do not have the scale to produce API. Even if there is large-scale production, the cost of production may be much higher than that of procurement. Therefore, most manufacturers buy bulk drugs, and then make preparations, so that the production of drugs can be completed without a very large scale. At present, China and India have become the two largest API producers in the world. Many European and American pharmaceutical companies, even some of their own original drugs, will give up the production of API as the patent expires and the market matures, and turn to purchase apis from China and India,API production generally go through laboratory, generated through laboratory bottle container canister, taking after successful, pilot magnification, which is to enlarge the quantity of the production, then no problem tends to be faced with a lot of small scale experiment, a very simple example, the heating process, due to the relatively small amount in the laboratory, uneven heating cases is less, But if it is scaled up to a few tons of pot, at this time the heating may be not hot in this place, where the paste pot, at this time you need to stir, but the speed of mixing is appropriate, this process needs to calculate or grope. Finally from the pilot test, and then to the formal production, the volume of further amplification, and will face a lot of new problems. Therefore, although some drugs are generic, the research and development of the whole process from small test, pilot test to the final mass production is indispensable, so even generic drugs have very high research and development costs.

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