32results about How to "Stable and continuous operation" patented technology

The invention provides a medicine integrating tea weighing with film inner bag making and loading, which comprises a casing, a reel device fixed on the casing and used for installing a film reel for making an inner bag, and a precise automatic tea weighing device and a film inner bag making and loading device which are arranged on the casing from top to bottom. Through reasonably integrating the tea weighing, the film inner bag making and the tea bagging together, the machine is more convenient and practical for use, improves the production efficiency and is more beneficial to massive production.

The medium stirring wet dispersing machine has a cylindrical dispersing tank, a tubular rotation shaft, an outer rotor with blades arranged to form one cylinder for generating centrifugal force, and an inner rotor inside the outer rotor and with also blades arranged to form one cylinder for generating centrifugal force. The outer rotor possesses functions of crushing and dispersing particles, whereas the inner rotor possesses functions of separating and grading medium. Therefore, the present invention can disperse medium in nanometer level and has great capacity and excellent grading performance.

The invention discloses a self-regenerative continuous melt crystallization system and method. The system comprises a crystallization section, a crystal growth section, a refining section, a product recovery section and a heat reuse system, wherein the crystallization section adopts a finned cooling fin structure to provide a cooling interface; a scraper is adopted to separate crystals generated on a cooling surface, so that the supercooled crystals enter a crystal growth section to grow, materials are conveyed to a refining section, crystal particles and high-melting-point product reflux flowreversely in the refining section to perform heat and mass transfer, and finally, high-purity and high-melting-point products are recovered through a product recovery section. The heat recycling system is connected with the finned cooling fins and the product recycling section heat exchanger, and heat recycling is achieved. The self-regenerative continuous melt crystallization system and method disclosed by the invention have the advantages of high production efficiency, high product purity, stable system operation, low energy consumption and the like, so that the defects of complex structure, low production efficiency and low energy utilization rate of the existing melt crystallization system are overcome.

In the distillation purification of (meth)acrylic acid or a (meth)acrylic ester, attachment, deposition and accumulation of solid matter are prevented to thereby stably maintain a high recovery rate for (meth)acrylic acid or a (meth)acrylic ester, realizing stable continuous operation of the distillation column for a prolonged period of time. There is provided a method of distillation of a composition containing (meth)acrylic acid or a (meth)acrylic ester by means of a distillation column having multistage trays in its interior, wherein use is made of a distillation column packed with, as trays, corrugated-plate-type non-weir perforated plates each having a corrugated sectional configuration and multiple through-holes and flat-plate-type non-weir perforated plates each constituted of a flat plate having multiple through-holes.

The present invention provides a biological filter deodorization equipment. It includes a blower fan, said blower fan is connected with biological filter by means of humidifier; said biological filter includes air-permeable filter layer whose interior is filled up with filter filler for adsorbing microbe, under the air-permeable filter layer a gas distribution layer is set, in the gas distribution layer several gas distribution tubes with gas distribution holes are set, these air distribution tubes are connected with the above-mentioned humidifier; over the biological filter a gas outlet is set, and between the biological filter and controlled space a gas circulation pipeline is set.

The invention discloses a buffer regulating technique based extractor control system. The buffer regulating technique based extractor control system comprises a support regulating mechanism distributed at the bottom of an extractor and is characterized in that the support regulating mechanism comprises six second buffer bases distributed circumferentially, a first buffer base is installed in the center of the second buffer bases and is connected with the same through fastening strips, and the first buffer base and the second buffer bases are identical in structure. By the arrangement that the six second buffer bases distributed circumferentially and the first buffer base located in the center of the second buffer bases, the base of the extractor can be well buffered and supported, impact force on the vertical direction can be effectively decomposed under mating reaction of pistons and piston barrels, good using effect is achieved, service life of the extractor is greatly prolonged as well, and steady and continuous running of the extractor in system is guaranteed.

The invention discloses a process for continuously producing calcium naphthenate. The process comprises the following steps: (1) mixing naphthenic acid, methanol, dimethylbenzene and base oil to form a mixed oil raw material; (2) feeding the mixed oil raw material and a calcium hydroxide saturated solution in a first micro-tube type reactor, and carrying out neutralization reaction to obtain an intermediate product; (3) feeding the intermediate product and CO2 in a second micro-tube type reactor, and carrying out carbonation reaction to obtain a coarse product; and (4) directly feeding the coarse product into a coarse product tank from an outlet of the second micro-tube type reactor, distilling the coarse product and carrying out settling filtration on the coarse product to obtain the final product. The process has the beneficial effects that three-phase synthesis of high-base-number nano petroleum calcium naphthenate is carried out in a micro-reaction system, reaction materials can be micro-mixed uniformly instantaneously, the form and the particle size distribution of nanoparticles are controlled effectively, the production efficiency and the quality of products are improved, and stable continuous operation is realized.

The invention belongs to the technical field of potato pulp dewatering devices, and particularly relates to a hollow tube type variable-pitch spiral conveyor for a potato pulp dewatering device. The spiral conveyor comprises a screw (1) and screw blades (2) arranged on the screw (1) and is mainly composed of a dense spiral section (3) located at the front end of the screw (1), a wide spiral section (4) located in the middle of the screw (1) and a reverse acting spiral section (5) located at the tail end of the screw (1). The spiral conveyor is characterized in that a hollow pipeline (6) is arranged in the screw (1), and the hollow pipeline (6) penetrates through the whole screw (1) and is connected with external equipment. The spiral conveyor has the advantages that bearing blocking is prevented, long-time stable and continuous spiral conveyance is guaranteed, and potato pulp is pressurized and heated to be dried through external hot air.

The invention discloses a physiotherapy driver system based on high frequency ultrasonic wave and a driving method thereof. The physiotherapy driver system comprises a main control chip, a signal generation circuit, a MOS tube switch network module, an LCC resonant network module, and network optimization and its matching circuit. The method adjusts the parameters of the LCC resonant network to match the loaded parameters of a corresponding ultrasonic transducer, so that the output of an entire system is optimized. the ultrasonic transducer operates in a resonant frequency range, so that the driver and the ultrasonic transducer are optimally matched, the energy conversion efficiency is effectively improved and the output of the ultrasonic amplitude is increased, the heat generation is small, the reliability and stability of a driver are effectively improved, the driver can continue to operate safely and stably, a more accurate optimization model is provided, the parameter design is relatively simple, the voltage amplification factor is further improved, the physiotherapy effect is improved, and the system facilitates widespread use.

The invention discloses a method for precooling a centrifugal pump which is used for transporting low temperature ethylene, comprising the following steps: using mini-flow low temperature liquid phaseethylene to constantly precool a back-up centrifugal pump, a liquid-in pipeline and a liquid-out pipeline and obtain gasified ethylene, constantly rolling the pump in the precooling and gasifying process, discharging gaseous phase ethylene into a low pressure gaseous phase ethylene system when the pressure of gaseous phase ethylene in the pump reaches 1.5-1.7Mpa, continuously discharging for 20-30min to lead the temperature of the pump and the liquid-in and liquid-out pipelines to be up to -40 to -20 DEG C, by now, closing corresponding hand stop valves of liquid phase ethylene entering pipeand gaseous phase ethylene discharge pipe and then opening corresponding hand stop valves on the liquid-in pipeline and the liquid-out pipeline, adopting liquid phase ethylene at the temperature of -40 to -20 DEG C to pour into the back-up centrifugal pump, successfully starting the back-up centrifugal pump by once, and closing the operation of the centrifugal pump at the moment. By adopting the method, the switchover of the centrifugal pump can be easily realized, the safe and stable continuous operation of an ethylene purification device can be ensured, and the production cost can be lowered.

The invention discloses an automatic forming machine for auto parts. The automatic forming machine comprises a blanking bin, a material ordering bottom plate, a discharging groove, a feeding device, arack, an upper punching die, a lower jacking die and a discharging device. According to the automatic forming machine, by combing the blanking bin, the material ordering bottom plate, the discharginggroove, the feeding device, the rack, the upper punching die, the lower jacking die and the discharging device together, through experimental optimization, raw materials can be subjected to initial ordering output by matching the material ordering bottom plate with the discharging groove, the raw materials can be conveyed into a limiting jacking hole of the lower jacking die accurately and quickly through mutual matching of a lifting guiding rail, a lifting sliding block, a telescopic air cylinder arm and a material sucking block on the feeding device, workpieces are subjected to cold extruding through mutual matching of the upper punching die and the lower jacking die, the workpieces are jacked out by the discharging device, and the workpieces are shifted out of the rack range by a horizontal material pushing device. According to the automatic forming machine, the auto parts can be automatically subjected to cold extruding forming in the forming machine, operation is stable and continuous, the production efficiency is high, a formed product is high in strength and good in appearance, the manpower and cost are saved, and promotion is facilitated.

To provide a PFA porous sheet comprising a PFA (tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer) microfilament group and has enhanced tensile strength and a specific surface area. ; SOLUTION: There are provided the PFA porous sheet includes a filament group comprising PFA having an average filament diameter of not more than 10 [mu]m, and the filament contains many fine PFA particles having an average filament diameter or smaller, and a method for producing the same is further provided.