31results about How to "Reasonable operation process" patented technology

The invention provides equipment for extruding / molding a polymer nano-composite through water-assisted mixing. The equipment for extruding / molding the polymer nano-composite through the water-assisted mixing comprises an extruder, a water-based nano particle suspension injection device and an exhausting device which is capable of discharging vapor formed after vaporization of a water-based nano particle suspension from a machine cylinder of the extruder; the equipment for extruding / molding the polymer nano-composite through the water-assisted mixing comprises an injection molding machine, an injection molding mould, a water-based nano particle suspension injection device and a mould cavity gas back-pressure device which is capable of supplying back-pressure gas into a cavity of the injection molding mould and discharging the back-pressure gas. The invention further provides a method for extruding and molding the polymer nano-composite through the water-assisted mixing. The equipment and the method provided by the invention can be used for uniformly dispersing nano particles into a polymer matrix, have the advantages of low cost, compact structure, simplicity and convenience in operation, and are applicable to industrial application.

The invention provides a nanofluid-assisted rapid heating cycle injection molding system. The nanofluid-assisted rapid heating cycle injection molding system comprises a high-temperature nanofluid generation and storage device, a low-temperature nanofluid storage tank, a nanofluid recycle tank, a high-pressure gas supply device, a gas booster pump, an injection mold and a mold temperature control unit. The invention further provides a nanofluid-assisted rapid heating cycle injection molding method realized through the system. Compared with the existing rapid heating cycle injection molding technology based on high-temperature oil, superheated water or steam heating and cooling water cooling of molds, the system and the method have the advantages that the new heat transfer enhancement working medium, namely nanofluid is adopted as the heating medium and the cooling medium of the mold, and therefore the heating efficiency and the cooling efficiency of the mold can be remarkably improved. In addition, the system has the advantages that the structure is simple, the material is saved, the consumption is lowered, the work flow is reasonable and the structure of the existing molds do not need to be transformed when the prior art is replaced, thereby being suitable for being widely applied and popularized in industrial production. The invention belongs to the technical field of rapid heating cycle injection molding of high polymer material.

The invention relates to a pulling-rod-free two-plate type blow molding machine electric mould opening and closing device with a quick mould adjusting function. The device comprises a cavity half module installation plate, a mould core half module installation plate, mould adjusting assemblies, connection rod mechanisms, a guide element, a mould closing rack, a mould moving rack and a mould opening and closing electric driving unit. The cavity half module installation plate and the mould core half module installation plate directly face and are installed on the guide element fixed to the top end of the mould closing rack. The back of the cavity half module and the back of the mould core half module installation plate are each provided with a mould adjusting assembly. The mould opening and closing electric driving unit is installed at the lower end of the mould closing rack. The connection rod mechanisms are hinged to the mould adjusting assemblies, the mould closing rack and the mould opening and closing electric driving unit through hinge pins respectively. The cavity half module, the mould core half module installation plate, the mould adjusting assemblies, the connection rod mechanisms, the guide element, the mould closing rack and the mould opening and closing electric driving unit are integrally installed on the mould moving rack. The invention further relates to a blow molding machine electric mould opening and closing method. The device is compact in structure, the mould opening and closing stroke can be quickly adjusted, industrial application is convenient, and the device belongs to the technical field of high-molecular material blow molding machines.

The invention provides a single-motor-driven all-electric mold closing and moving system. The system comprises a motor, a main coupler, a steering device, a mold closing device, a mold moving device, a support plate and a base, wherein the motor is connected with the steering device through the main coupler; the steering device is provided with a plurality of output ends and is respectively connected with the mold closing device and the mold moving device; the motor, the main coupler, the steering device and the mold closing device are connected into a whole and fixed on the support plate; and the support plate and the mold moving device are connected with each other and are arranged on the base. Meanwhile, the invention provides a single-motor-driven all-electric mold closing and moving method realized by the system. The all-electric mold closing and moving system has a compact structure and is easy to popularize and apply, the manufacturing cost and energy consumption can be reduced, materials can be saved, reliability can be improved, and the service life of the motor and a ball screw can be obviously prolonged.

A parallel balanced filling method for a high-capacity semi-management surface tension storage tank comprises steps as follows: (1) a satellite propellant filling pipeline is connected, and the leakage rate of a filling pipeline system is ensured to meet the requirements; (2) two parallel storage tanks are simultaneously filled with helium or release helium for replacement until sampled gas is tested to be qualified; (3) the propellant filling pipeline and pipelines at the downstream of the parallel storage tanks are vacuumized; (4) valve ports of filling and drainage valves of the parallel storage tanks are filled with the propellant; (5) the parallel storage tanks are simultaneously and stably filled until 90% or above of the rated filling quantity is reached; (6) refilling is performed on the parallel storage tanks until the filling quantity of each storage tank meets the task requirement; (7) air cushions are added to the storage tanks until required air cushion pressure is reached. By means of the method, parallel balanced filling of the high-capacity semi-management surface tension storage tank can be realized, time for filling the parallel storage tanks with the propellant is shortened, and the reliability and the safety of the satellite filling process are guaranteed.

The invention discloses a wind power comprehensive lightning protection monitoring method, which solves the problem that the current lightning protection detection method in the wind power field cannot accurately grasp the time, frequency and amplitude of lightning strikes suffered by a wind power generator in real time, and cannot efficiently perform fault early warning. The method of the present invention includes the following steps: S1: use the central controller configuration software to initialize and monitor the site, equipment, network information, touch screen calibration, lightning current acquisition module, SPD unit module, grounding resistance module, and connection resistance module of the lightning monitoring device Parameter setting; S2: Set parameters according to step S1 to continuously collect the lightning current information when the wind turbine blades, nacelle, and tower foundation are struck by lightning, the SPD status information of the wind turbine nacelle and tower foundation, the connection resistance of the carbon brushes in the nacelle, and the tower foundation The value of the grounding resistance; S3: According to step S2, read or transmit by connecting to the fan control system, the remote monitoring platform or the local connection terminal, and monitor, analyze and warn each measured value.