7results about How to "Improve foaming quality" patented technology

This utility model relates to a refrigeration device, which includes a housing, a liner, a first air duct structure, and guide plates. A foaming cavity is formed between the outside of the liner and the inside of the housing. The first air duct structure is disposed within the foaming cavity, and a guide groove is provided on the back side of the first air duct structure. The top end of the guide groove is open and faces the top of the housing, and the bottom end of the guide groove is open and faces the bottom of the housing. Two guide plates are disposed on the top upper side of the first air duct structure, located on opposite sides of the top opening of the guide groove. A guide channel is formed between the two guide plates, and one end of the guide channel is connected to the top opening of the guide groove. Foaming material falling into the guide groove can flow into the guide channel through the top opening of the guide groove, and flow along the guide channel toward the top area of ​​the foaming cavity, thereby increasing the foaming filling speed of the top area of ​​the housing and ensuring that the top area of ​​the housing is filled first, thus improving the filling quality of the top of the housing.

The application discloses a nitrogen foam generating device with variable foam diameter and a foaming method and application, belongs to the technical field of oilfield development, and comprises a foam generating device, and the foam generating device is most commonly used in profile control, water plugging and oil displacement construction wells. The application is composed of a gas access end, a liquid access end, a foam generating mechanism and a control part of variable foam diameter, achieves the purpose of changing the foam diameter, and can improve foaming performance and foaming quality. Meanwhile, the utilization rate of the foam in water plugging, profile control, channeling sealing and other process measures in oilfields can be improved, the profile control, water plugging and channeling sealing needs of different types of oil reservoirs can be met, the foam system has good temperature resistance, and the needs of preventing gas channeling in steam huff and puff of heavy oil reservoirs and plugging large channels in steam drive of heavy oil reservoirs can be better met, support is provided for oilfield oil increase and production increase, and guarantee is provided for an energy security strategy.

The application discloses a freezer door trim structure and relates to the technical field of refrigeration equipment. The door trim structure comprises a trim main body and an exhaust structure. The exhaust structure is arranged on the trim main body and used for lapping a door tank contact surface of the door tank. The exhaust structure is a ladder-shaped structure, and the height of the ladder-shaped structure is 0.5 mm. The contact surface width of the ladder-shaped structure and the trim main body is 0.5-0.8 mm, and a width of 0.5 mm exhaust groove is arranged on the other surface of the ladder-shaped structure at intervals. The exhaust structure is arranged in the form of a ladder on the main body, so that the exhaust structure is first in contact with the door tank surface when the door tank is assembled, the door body is put into a foaming mold after assembly, the exhaust structure is in interference fit with the door tank surface, and the exhaust structure is closely attached, so that no gap exists, thereby improving the problem of liquid leakage on the front surface. The gas in the door body can flow out through the exhaust groove arranged in the exhaust structure, and the foaming liquid is difficult to pass through the 0.5MM channel due to high viscosity, thereby solving the problem that the gas cannot be discharged, and improving the foaming quality of the door body.

This utility model provides a vacuum foaming device and a water heater production system, belonging to the field of foaming technology. The vacuum foaming device includes a main body and a vacuum generating system. A vacuum chamber is provided in the main body, and an ejector structure is provided at the bottom of the vacuum chamber. The ejector structure includes an ejector plate and a driving system, which drives the ejector plate to move up and down within the vacuum chamber. A movable limiting platform is provided on the ejector plate, and multiple locking positions for securing foaming components are provided on the movable limiting platform. An injection head communicating with the vacuum chamber is also provided on the main body. The vacuum generating system includes a vacuum pump and a connecting pipe, with the connecting pipe connecting the vacuum chamber and the vacuum pump. This foaming device can meet the vacuum foaming needs of different water heater products and can reduce foam density, thereby reducing production costs.

The utility model relates to an air bag locking mechanism for an annular refrigerator door body foaming line mold frame, the foaming line mold frame comprises an upper mold frame and a lower mold frame, the inner side surfaces of the upper mold frame and the lower mold frame are hinged in an openable and closable manner, and a plurality of inverted U-shaped bolt buckles are longitudinally and upwards arranged on the outer side surface of the lower mold frame along the long side direction at equal intervals; clamping bolts which are of L-shaped structures and can be correspondingly connected with the bolt buckles in a buckled mode are longitudinally and downwards arranged on the outer side face of the upper die frame at equal intervals in the long edge direction of the upper die frame, and the tops of the clamping bolts are hinged to the outer side face of the upper die frame; a die lining plate matched with the lower die frame is placed on the top face of the lower die frame, and the die lining plate and the lower die frame are in elastic floating connection through four elastic pulling assemblies distributed in a rectangular shape. And an air bag is laid in a cavity formed between the mold lining plate and the lower mold frame. Through the cooperation mechanism of dynamic pressurization of the air bag and elastic pull uniform load reset, self-adaptive adjustment of the sealing pressure of the mold cavity and mold deformation compensation are achieved, the foaming quality is remarkably improved, meanwhile, the locking structure is simplified, and the production flexibility is enhanced.

This utility model discloses a cross-shaped guide frame for a fully automatic on-site foaming device, relating to the field of foaming device technology. It includes a spraying device body, with an A channel and a B channel on one side. The A channel includes a front end and a rear end, and the B channel also includes a front end and a rear end. Cross-shaped guide frames A and B are fixedly connected inside the A and B channels, respectively. This utility model uses the A and B cross-shaped guide frames to form multiple flow channels with the inner walls of the channels, providing ample flow space for the two-component raw materials. This avoids the problem of reduced flow cross-sectional area or blockage caused by the heating wire pressing against the rear end of the channel due to thermal expansion, ensuring uniform mixing and stable conveying of the raw materials, improving foaming quality and the long-term stability of the device.