4results about How to "Avoid air intake" patented technology

The utility model discloses a feed antioxidant reaction kettle, include: reaction kettle body, the inside hollow formation containing space of reaction kettle body, the top open of reaction kettle body, kettle cover, the kettle cover cover is located the top open place of reaction kettle body, first stirring structure, first stirring structure is assembled in containing space, and first stirring structure is used for pushing material from the lateral wall of reaction kettle body to the center and bottom, second stirring structure, second stirring structure is assembled in containing space, and second stirring structure is used for with material radial flow mixing, through first stirring structure can push material from kettle wall to the center and bottom, through second stirring structure can produce stronger radial flow and axial flow, make material form complicated flow in the kettle, improve mixing effect, and through nitrogen gas inlet can exhaust the air in the reaction kettle body, keep the micro positive pressure in the kettle in the reaction process, prevent air from entering.

An inflating valve for a titanium sponge product packaging barrel comprises an inflating valve cap, a plane sealing gasket A, an inflating valve body, a valve core, a plane sealing gasket B and a hexagon nut. A plane sealing gasket A is arranged between the upper portion of the outer portion of the inflating valve body and the inflating valve cap, and a plane sealing gasket B is arranged between the lower portion of the outer portion of the inflating valve body and the hexagon nut. And a valve core is arranged in the inflating valve body. According to the argon filling device, argon filling of the titanium sponge packaging barrel is achieved, air is prevented from entering the packaging barrel in the carrying process and the storage period of products, and influences of damp air are avoided; the structure is simple and operation is convenient.

The utility model provides a device for preventing air from entering a filter material layer of a filter tank to form negative water pressure, which belongs to the technical field of water treatment and can keep the liquid level of the filter tank constant and ensure the stable quality of effluent of the filter tank. The device body is composed of an exhaust port, a constant liquid level pipe, an overflow pipe, a water inlet pipe and a water outlet pipe, the water inlet pipe is communicated with the constant liquid level pipe, and the water outlet pipe is communicated with the overflow pipe. The device is simple in structure, convenient to install, stable and reliable in use effect and low in cost, can replace a liquid level meter and an electric valve to control the liquid level of the filter tank, avoids complex electric appliance control logic, and avoids negative effects such as unstable effluent quality caused by electric appliance faults.

The utility model discloses an electric motor car car light sealing structure belongs to electric motor car car light technical field, this electric motor car car light sealing structure includes installation shell and protective lamp shade, the inside of installation shell is provided with circuit board and lamp pearl, one side of installation shell is installed with the connecting shell, the outer wall of connecting shell is provided with outer thread and sealing strip, the inner wall cooperation of protective lamp shade is provided with inner thread, the upper end cooperation of connecting shell is installed with the reinforcing mechanism of protective lamp shade, the inner wall of one side of protective lamp shade close to connecting shell is provided with sealing groove, the inner wall cooperation of sealing groove is provided with second sealing strip with sealing strip. The device carries out the preliminary thread connection through protective lamp shade cooperation connecting shell, can further reinforce protective lamp shade through reinforcing mechanism, and the fixed effect is better, and the installation and dismounting are convenient and quick simultaneously, can save certain time.