4results about How to "Reduce supercooling" patented technology

The application discloses a kind of based on deep learning's plate shape control spray flow optimization method, it is characterized in that include following steps: S1 data acquisition: obtain plate specification parameter, process parameter, spray system state parameter and plate shape measurement data, and with time stamp and volume number / rolling section identification;S2 data pre-processing: to the acquisition data is washed, abnormal processing, normalization or standardization, feature engineering, and with sliding time window Construction time series sample;S3 prediction model: the sample after pre-processing is input into long short-term memory network containing self-attention mechanism, and the flow setting value of spray system is output;By this method, the dynamic optimization and real-time adjustment of spray flow can be realized, the plate shape control precision and production adaptability are improved, and the trial-and-error cost and artificial experience dependence are reduced.

The invention belongs to the technical field of high-temperature alloy smelting, and relates to a process for improving the surface quality of a first-class Ni-Fe-Cr-based high-temperature alloy consumable cast ingot and application. Comprising the following steps: firstly, performing vacuum induction melting on a high-temperature alloy to obtain a high-temperature alloy VIM electrode; then, the high-temperature alloy VIM electrode is subjected to protective atmosphere electroslag smelting, and a high-temperature alloy ESR electrode is obtained; and the high-temperature alloy ESR electrode is subjected to annealing treatment, finally, the high-temperature alloy ESR electrode is subjected to vacuum consumable smelting, and a high-quality high-temperature alloy ingot is obtained. According to the high-temperature alloy cast ingot produced through the method, forging cogging can be carried out after direct homogenization without scaling treatment, the production process is shorter, the delivery pressure is smaller, and the cost is lower.

The utility model relates to the technical field of chemical equipment, in particular to a chemical crystallization regulation and control device which comprises a barrel and a temperature control assembly, an installation groove is formed in the barrel, the inner wall of the installation groove is fixedly connected with the temperature control assembly, and the temperature control assembly comprises a heating pipe fixedly connected to the inner wall of the installation groove. An electric heating wire is fixedly connected to the interior of the heating pipe, a condensation pipe is fixedly connected to the inner wall of the mounting groove, an insertion groove is formed in the surface of the barrel, the surface of the water inlet end of the condensation pipe is connected with the inner wall of the insertion groove in an inserted mode, a threaded groove is formed in the water inlet end of the condensation pipe, and a sealing cover is in threaded connection to the surface of the threaded groove; and the inner wall of the cylinder body is fixedly connected with a temperature detection sensor. According to the utility model, the temperature control assembly is arranged, so that the temperature of materials in the barrel body can be increased and decreased, the influence of temperature fluctuation on crystal growth is effectively reduced, and the quality of a crystallized product is remarkably improved.

The utility model belongs to flue gas purification and waste heat recovery technical field, concretely relates to a kind of multistage filter and heat exchanger combined type flue gas treatment structure, including heat exchanger and multistage filter unit, and the gas outlet of heat exchanger rear end and the gas inlet of multistage filter unit front end are linked, and heat exchanger includes and the heat exchanger shell that multistage filter unit is linked, the outside of heat exchanger shell is provided with cooling medium feed pipe and cooling medium discharge pipe, and multiple heat exchange pipes are fixedly connected between cooling medium feed pipe and cooling medium discharge pipe, the inside of heat exchanger shell is provided with heat exchange zone, and heat exchanger shell is provided with and the space adjusting piece that heat exchange zone is adapted is set. The utility model can make the multiple heat exchange fins inside heat exchanger shell can be evenly contacted with flue gas, relatively uniform heat exchange is carried out, and local overheating or supercooling phenomenon is reduced.