5results about How to "Wide viscosity range" patented technology

The utility model relates to the field of oil detection, in particular to an oil quality comprehensive detector, which is characterized in that a viscosity detection module, a moisture detection module, a flash point detection module, a micro oil pump and a control valve are arranged in a case; one end of the micro oil pump is connected with the control valve, and the other end is connected with an external oil sample bottle; the control valve is respectively connected with the viscosity detection module and the moisture detection module; an oil inlet and an oil outlet are formed in a case body of the case, the micro oil pump is connected with an external oil sample bottle through the oil inlet, and the viscosity detection module is connected with the external oil sample bottle through the oil outlet. The oil sample comprehensive detection device integrates the viscosity detection module, the moisture detection module and the flash point detection module, is compact in structure and convenient to carry, and can rapidly and conveniently carry out oil sample comprehensive or independent detection. The oil viscosity is detected through a falling ball method, and compared with traditional capillary detection, the applicable viscosity range is wider, and the adaptability is better. The moisture detection adopts a chemical detection principle, is more accurate and is not easy to interfere.

The utility model discloses an injection pump type mixed feeding device and a reaction system, and belongs to the technical field of injection pumps. The injection pump type mixing feeding device comprises a high-pressure nozzle, a mixing cavity and a discharging cavity which are sequentially connected, the mixing cavity is of a spherical structure, a low-pressure phase pipeline is connected to the mixing cavity, and a high-pressure phase pipeline is connected with the high-pressure nozzle. The high-pressure jet nozzle jets a high-pressure phase to drive an injection phase to mix, the jet pump is small in size, the applicable viscosity range of gas-liquid phase mixing is wide, and the liquid can be mixed with substances such as granular solid catalysts. The size of the high-pressure nozzle can be selected according to the liquid viscosity of the injection phase, the injection angle, the atomization fineness and the size of suitable solid reactants can be adjusted, the structure is simple, and mixing is more sufficient.

This invention belongs to the field of precision electronic circuit manufacturing technology, and provides a method and device for repairing broken lines in micro-circuits based on electric field-driven micro / nano 3D printing. This invention employs electric field-driven jet deposition micro / nano 3D printing technology, with the printing nozzle connected to a high-voltage power supply. Utilizing the diameter reduction effect of the Taylor cone in electrostatic dynamics, it achieves the fabrication of micro / nano-scale feature structures. Under the action of electrostatic field tension (changing traditional pressure-driven to tension-driven), high-viscosity materials can be printed with high resolution, enabling the repair of conductive line defects below 1μm. It is particularly suitable for repairing three-dimensional / curved conductive lines and conductive line defects in large-size (meter-scale) substrates. This invention can achieve high-resolution, high-precision, low-cost, and efficient repair of micro-precision conductive line defects.

A motor-driven dispensing mechanism comprises a liquid storage tank used for containing a glue solution, and a liquid outlet is formed in the lower portion of the liquid storage tank; a glue inlet at one end of the glue inlet pipeline is communicated with the liquid storage tank through a liquid outlet of the liquid storage tank; the motor driving assembly comprises a motor shell, a motor and a gear reducer; the motor and the gear reduction box are arranged in the motor shell from top to bottom, and a motor shaft of the motor is connected with the gear reduction box; a transmission assembly; the transmission assembly comprises a coupler and a transmission shaft; the gear reducer is connected with the upper end of the transmission shaft through a coupler; a dispensing assembly; the dispensing assembly comprises a dispensing shell, a flexible shaft, a rotor, a stator and a dispensing needle. The motor-driven dispensing mechanism disclosed by the utility model is reasonable in structural design, can realize high-precision dispensing operation, is suitable for glue solutions with wider viscosity range, and is wide in application prospect.

A flow performance testing device comprises a medium box, a temperature sensor and an absolute pressure sensor are arranged in the medium box, an oil suction filter is connected to an oil suction port of the medium box, and an outlet of the oil suction filter is connected with a screw flowmeter through a pipeline, a first low-temperature bevel gear pump and a first pneumatic ball valve. The low-temperature bevel gear pump and the screw flowmeter are adopted, the applicable viscosity range of the low-temperature bevel gear pump is 10-20000 cst, the temperature range is-40-200 DEG C, when the low-temperature viscosity of a medium reaches 9000 cst, the controller is matched with the current temperature and flow to calculate the viscosity, and then the rotating speed of the low-temperature bevel gear pump is adjusted, so that the required flow can be normally output; the viscosity range of the screw flowmeter is between 10 cst and 250000 cst, the temperature range is between-40 DEG C and-210 DEG C, the application range is wide, the precision is high, the test requirements can be met, and correct data can be obtained.