Nitrogen backflow box with uniform cooling function

• Main Author: XU GUOPING
• Format: Patent
• Language: Chinese; English
• Published: 31.05.2024
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The utility model relates to the technical field of nitrogen return boxes, in particular to a nitrogen return box with uniform cooling, which comprises a collecting box, a base and a pressure gauge, the base is fixed below the collecting box, and the pressure gauge is mounted above the collecting box and used for monitoring gas pressure in the collecting box. And an air outlet connecting pipe and an air inlet connecting pipe are installed on the side edge of the collecting box, an auxiliary pump is connected to the lower portion of the air inlet connecting pipe, a cooling box is arranged below the auxiliary pump, and a backflow collecting pipe is fixed to the upper portion of the cooling box. According to the nitrogen backflow box with the uniform cooling function, nitrogen entering the collecting box can be cooled, meanwhile, water or cooling liquid is arranged in the cooling box, impurities stay in the cooling box when the nitrogen passes through the cooling box, and therefore the purity of the backflow nit