Energy-saving technologies in the chemical industry

This post was last edited by Kikyo on 2010-9-16 08:26. It’s a bit off-topic; the original topic was about energy-saving technologies, but now it has turned into a request for information. The materials can be downloaded online, and everyone can study them at their own pace. In this post, everyone can talk about the energy-saving technologies and methods in their respective industries that they are aware of.

Let me first talk about my company’s energy-saving technologies. Our company specializes in the research and development as well as manufacturing of large-scale central air conditioning systems. The goal in terms of energy savings for air conditioning is to minimize the amount of electricity consumed per unit of cooling capacity, in other words, to achieve a higher cooling efficiency (cooling capacity/electricity consumption). Currently, the cooling efficiency of domestic manufacturers is around 5.5; some companies claim that their units can achieve a cooling efficiency of 7.1 when operating at full load and under stable conditions. At present, our company has more than a dozen R&D projects under way. One of the models designed achieves a stable cooling efficiency of around 7.5 when operating at full load; we believe that once this project is completed successfully, it will certainly contribute to energy conservation and emission reduction.

Condensate water, flash steam, and low-pressure waste steam are often overlooked. We have visited many enterprises, and there are quite a few of them that have the facilities to recycle this waste steam and flash steam; yet it is still released into the atmosphere. This might be considered a sort of habit, as no consideration is given to the economic benefits associated with this practice. If we calculate the costs involved, it turns out that a significant amount of money is wasted each year in this way. If this part can be recycled, the benefits will also be considerable. If you have such intentions, feel free to contact us; we can help develop a recycling plan (whether it’s needed or not is another matter).

It’s a good suggestion; please advise on how to proceed. Thank you.

When it comes to energy conservation and emission reduction, the focus should not be placed on individual devices. In dealing with such issues, I take the approach of considering the requirements of the entire system first, analyzing it as a whole before moving on to examine individual devices. The solutions are found through modeling, analysis, and calculations.

The approach of saving energy in the future by utilizing waste secondary energy

This post was last edited by li*ch1968 on 2011-8-17 at 18:24. Some of our company’s cases are outlined below: 1. Utilizing the low-temperature waste heat water at 90°C generated by chemical production processes to produce low-temperature cold water at 6°C, which is required in those processes. 2. Utilize the waste heat at 109°C generated by the polysilicon production process to produce the saturated steam at 0.27 MPaA required in the production process. 3. Utilize the waste heat from the 40°C circulating cooling water of thermoelectric enterprises to produce 90°C hot water required for centralized heating. 4. Waste (excess) hot water at a temperature of 65°C to 90°C can be used to provide cold water at a temperature of over 7°C for production processes and daily needs. In short, all waste heat and waste gases have some use; it’s just a matter of determining whether it’s cost-effective. The main criterion for evaluation is how many years it will take to recover the investment, which is generally no more than 3 years.

I see you’ve talked so much; it seems like there’s a lot I don’t understand. It looks like I need to study more in the future*study*

The new transformed gas soda-making technology utilizes the theory of low-temperature cycle soda production to achieve zero discharge of waste liquids from the system, and replaces the three-tower setup with a single-tower design to save energy