502results about How to "Guaranteed continuous production" patented technology

The invention relates to an ablation-resistant anti-aging cover for conveying belt and preparation method thereof which belongs to the technological field of rubber conveying belt production. The preparation comprises the steps of: first mixing the EPDM, reinforcing filler, vulcanization active agent, plasticizer, antioxidant, ablative fiber, flame retardant, charcoal and compatibilizer together to acquire the mixed rubber, then adding the vulcanizing agent and co-crosslinking agent for the secondary mixing, and vulcanizing to obtain the product of ablation-resistant anti-aging cover for conveying belt. With the use of ablation-resistant anti-aging cover provided by the present invention the service life of the conveyor belt under high heat and open fire condition is dramatically prolonged, which guarantees the sustainable production of the enterprises and saves the costs and brings huge economic benefits.

The invention relates to an automatic pushing and material receiving device for a powder hydraulic machine. The automatic blank pushing and material receiving device is characterized by comprising a push rod fixedly arranged at the front end of a material conveying box and a material receiving device arranged between a product support plate and conveying equipment, wherein the material receiving device comprises a material receiving flat plate, a bent plate which is arranged at the lower end of the material receiving flat plate and hinged with the material receiving flat plate, a driving cylinder arranged at the lower end of the bent plate, and a mandril and a material receiving bracket which are arranged at the lower end of the material receiving flat plate; the push rod end of the driving cylinder is fixedly connected with a horizontal part of the bent plate; a guide structure is arranged between a cylinder barrel of the driving cylinder and a vertical part of the bent plate; the material receiving bracket comprises ground jacks and a material receiving bent plate; and the material receiving bent plate comprises an upward inclined part and a horizontal part. By adopting the structure, a molded product is pushed onto a material conveying flat plate by the push rod during powder conveying; and under the action of the driving cylinder and the mandril, the molded product slides to a material pushing bent plate and finally to the conveying equipment through the bent plate. Compared with a special manipulator, the automatic blank pushing and material receiving device with the structure has a simple structure, is low in manufacturing cost and convenient to operate, guarantees continuous production due to one-to-one correspondence of conveying and pushing and meets the requirement of batch production.

The invention provides a 3D printer for integral manufacturing of a functionally graded material and a forming structure, and a working method thereof. A feeding module, a mixing module and a printingsprayer are split; and through ingenious arrangement of the components, integral manufacturing of the continuous functionally graded material and the complex three-dimension structure can be achieved. The 3D printer has the characteristics and outstanding advantages of active, efficient and uniform mixing of various materials, high print resolution (due to micro-nano microscale characteristic structure printing), diverse applicable materials, high production efficiency, low cost and simple structure; and particularly, the 3D printer can achieve integral manufacturing of the continuous functionally graded material and the complex three-dimension structure based on material composition and microstructures.

The invention provides a continuous densification and efficient production line and technology of fiber-reinforced thermosetting plastic pipelines, and belongs to the field of fiber-reinforced thermosetting plastic pipeline manufacturing. After being innovatively improved, a paper tube machine production line is applied to the production field of the fiber-reinforced thermosetting plastic pipelines, the improved paper tube machine production line is sequentially provided with strip frames, a coating device, a curing agent applying device, hollow partition plates and a spiral paper tube machine refit device in the paper tube moving direction. Cylindrical dies transversely arranged above a rack are improved on the basis of an existing spiral paper tube machine, pressure perpendicular to the die direction and thrusting force parallel to the die direction are exerted on film strips wrapping the dies and impregnated and pre-cured fiber strips through a conveying belt, layer-by-layer densification and continuous efficient production are achieved, and the production efficiency is greatly improved. The produced pipelines have the beneficial effects of resisting pressure, being good in impact resistance and rigidity, resisting to corrosion and the like.

The invention discloses a tea seed continuous cold pressing process. The process includes: cleaning camellia seeds, clearing iron from the camellia seeds by an iron remover; employing a flat dryer to conduct moisture drying regulation treatment; and conducting kernel-husk separation by a husking machine to ensure that the camellia seeds are not stuck in the pressing chamber of an oil press and improve the oil yield; adopting multi-row paralleling and automatic material distribution by the oil press, conducting regulation by a material distribution system when the oil press breaks down so as to ensure operation of the whole system; sending crude oil to a slag catching machine, and carrying out primary solid-liquid separation to the impurities contained by the crude oil; after separation, pumping the crude oil into two filters disposed in the filtering system to undergo separation again so as to guarantee continuous production of the production line; conveying the filtered crude oil into a refining workshop by an oil pump to undergo subsequent processes; sending the oil cake from the oil press into a crushing machine by a screw conveyor and a hoister to undergo crushing to undergo crushing; and conveying the crushed cake material into a leaching plant by conveying equipment to undergo oil extraction by leaching.

The invention discloses a dynamic priority scheduling method and device for a logistics system, and the logistics system. The method includes the steps of receiving material transport information including N warehouse output and input tasks, obtaining the spatial distance Di between a transport device and the start address of the ith task, obtaining the maximum spatial distance Dmax between all regions within the range of the transport device, obtaining the interface equipment material consumption demand degree Ri corresponding to the ith task, obtaining the maximum interface equipment material consumption demand degree Rmax, obtaining the available state E of the transport device, determining the priority Pi of the ith task according to Di, Dmax, Ri, Rmax and E, and controlling the transport device to execute the task with the maximum priority. According to the dynamic priority scheduling method and device and the logistics system, on the premise that the production process requirement is met, scheduling efficiency of the transport device can be improved, continuous production of interface equipment is ensured while logistics efficiency is ensured, the logistics resource, namely, the transport device, can not be wasted, and the unremittance of material transport can be ensured to a larger extent.

The invention discloses a method for preparing medical fiber and the application thereof, and includes the steps of drying, spinning, multilevel heat energy drafting, rolling, fiber placing, flow meshing and curling, and shrink-setting, wherein the multilevel heat energy drafting adopts single-stage process drafting of a plurality of double-rolls heating, and the flow meshing and curling step is carried out by a flow contact wheel for heating and curling. The method of the invention can reduce as much material for the trial run as possible, the double-rolls increase the upper bundle heating area, the interfacial residence time is increased, thereby ensuring the uniformity of the mechanical properties of the medical fiber, such as mightiness; having better crimpability and decentrality; and guaranteeing the continuous production of the medical fiber pipelining.

The invention discloses a supply device used for macromolecule roll goods production. The supply device comprises a discharge mechanism, a discharge buffer mechanism and a collection mechanism arranged sequentially along the conveying direction of macromolecule substrates. The discharge mechanism can automatically correct the position of a discharge rack, and no deviation is ensured when the macromolecule substrates are conveyed to the subsequent procedure. The discharge buffer mechanism can automatically adjust tension degree of the macromolecule substrates, and an alarm can be triggered if the macromolecule substrates are too loose or too tight, so that operators can know relevant faults in time. The collection mechanism is provided with an operating platform used for collection, a pre-storage mechanism is arranged under the operating platform in advance, and the pre-storage mechanism can prestore a certain quantity of macromolecule substrates. In addition, the prestored macromolecule substrates can be distributed slowly for later use when spliced, the system is not halted during collection, continuous of the integral system is ensured and production efficiency is improved.

The invention discloses a gas pipe corrosion defect under-pressure repair method. The gas pipe corrosion defect under-pressure repair method comprises performing surface cleaning on the pipe repair position; filling the pipe perforation leakage position or the outer surface corrosion position with a repairing agent; brushing the epoxy resin primer at the pipe surface position which needs to be wrapped, wherein the thickness of the epoxy resin primer is not less than 0.2 mm; enabling a carbon fiber band to wind the epoxy resin primer brushed pipe surface in a spiral mode, wherein the carbon fiber band winds the first to third layer, a special adhesive is bonded between the layers, and the drum rolling is adopted in the process of winding of the carbon fiber band to avoid the interlayer bulge; brushing the anticorrosive paint at the carbon fiber band wrapping position of the pipe surface. According to the gas pipe corrosion defect under-pressure repair method, the defects of the traditional repair method are overcome; the pipe corrosion and perforation defects are repaired in the running state of a gas pipe, the stress state of the pipe is not changed, the flame operation is not required, and accordingly the potential safety hazard is avoided and the service life is long; the stop operation is not required and accordingly the continuous production is ensured.

The invention discloses a method and device for improving the quality of a narrow lap welder weld joint. The method comprises the steps that (1), automatic tracking of a temperature probe on the weldjoint is controlled; (2), the temperature detected by the temperature measuring probe is kept constant; and (3), online detection and evaluation are conducted on the quality of the weld joint. Onlinedetection and evaluation on the quality of the weld joint comprise the steps that the optimum temperature detected by the temperature measuring probe when welding is conducted is determined; a weldingexperiment is conducted on a substrate plate, an optimum quality information curve and a maximum defect tolerance quality curve are determined, and a quality curve database is built; and the qualityinformation curve is matched with a weld joint quality information curve detected in real time, if the similarity of the quality information curve (the optimum curve similarity) in the database and the weld joint quality information curve detected in real time is 80% or above, a display module displays 'qualified', and if the similarity of the quality information curve (the optimum curve similarity) in the database and the weld joint quality information curve detected in real time is 80% or below, the display module displays 'unqualified', and an alarming device conducts alarming reminding.

The invention provides a continuous producing device of phosphorus pentafluoride, comprising a phosphorus single-substance closing silo, a spiral conveyer, a fluorine-phosphorus reactor, a cooling pipeline and a multi-grade filter. The continuous producing device of phosphorus pentafluoride is characterized in that the upper end of the spiral conveyer is connected to the lower end of the phosphorus single-substance closing silo, the tail end of the spiral conveyer is connected to the upper part of the fluorine-phosphorus reactor; one end of the fluorine-phosphorus reactor is connected with the cooling pipeline, and the other end of the cooling pipeline is connected with the multi-grade filter. The invention further provides a method for continuously producing phosphorus pentafluoride by using the device; the high-purity phosphorus pentafluoride gas is obtained by pre-reaction, continuous reaction, cooling and multi-grade filtering. According to the continuous producing device, the continuous production of phosphorus pentafluoride is realized; the continuous producing device has the advantages of being high in production efficiency, simple, safe and reliable in operation and good in product quality; the product purity can reach 99.8% above; therefore, the continuous producing device can be directly applied to the production of the lithium hexafluorophosphate.

The invention relates to a wallpaper printing system and belongs to the technical field of printing machines. The wallpaper printing system comprises a preheating mechanism, an embossing mechanism, a cooling mechanism, a tension mechanism, a winding mechanism and a machine frame. The preheating mechanism comprises a preheating cover and a heating roller, the preheating cover is arranged on a working surface of the heating roller, the embossing mechanism comprises a press roller and an embossing roller, and the press roller and the embossing roller are parallelly arranged and located on a discharging port of the preheating mechanism. Hot oil single-side inflow and outflow are adopted according to the preheating mechanism for the wallpaper printing system, the number of components in heat exchange with hot oil is reduced, and heat efficiency is improved; according to the preheating mechanism for the wallpaper printing system, an oil guide sleeve is adopted, the area of the hot oil in the heating roller is reduced, the circulation speed of the hot oil is accelerated, and the temperature of a roller can be kept constant to the largest extent.

The invention relates to a method for preparing biomass charcoal fuel from corn stalks through low-temperature carbonization, and belongs to the technical field of biomass pyrolysis. The method comprises the following steps that after nitrogen gas is introduced into a carbonization furnace, oxygen-free or low-oxygen environment is formed in the furnace; corn stalk raw material particles are fed from the top of the carbonization furnace; a hot air flow enters the carbonization furnace from the bottom of the carbonization furnace to form a reverse flow reaction region in the furnace; the reaction temperature at the bottom of the carbonization furnace is controlled to be 200 to 280 DEG C; the pressure inside the furnace is 1010 to 1200 mbar; the biomass charcoal fuel generated through reaction is output from the bottom of the carbonization furnace. The method for preparing biomass charcoal fuel from corn stalks through low-temperature carbonization has the advantages that the heat utilization efficiency is high; the carbonization temperature is low; the energy consumption is reduced; the mass yield of the biomass charcoal fuel obtained after the carbonization is 70 percent to 85 percent; the energy source yield is 85 percent to 95 percent; the energy source yield is high; the energy density of the obtained biomass charcoal is high; the biomass charcoal can be used as the fuel; the product purpose is expanded; a novel path is provided for the recovery and the utilization of the corn stalks.

The invention discloses a method for preparing norfloxacin tablets. The method comprises the following steps of: sieving norfloxacin with a sieve of 40 to 100 meshes, sieving a disintegrating agent with a sieve of 60 to 100 meshes, sieving a lubricating agent and a flow aid with a sieve of 80 to 120 meshes, mixing the norfloxacin with a large part of disintegrating agent uniformly, mixing less than 2 percent of disintegrating agent, the lubricating agent and the flow aid uniformly, adding into the mixed powder, mixing uniformly, tabletting, and thus obtaining the norfloxacin tablets. The norfloxacin tablets comprise the following raw materials in percentage by weight: 20 to 80 percent of norfloxacin, 5 to 79 percent of disintegrating agent, and 1 to 8 percent of lubricating agent and flow aid. 5 to 70 percent of filling agent can also be added. The mixed materials obtain high flowability, excellent compression property and adhesive property, high attachment and low sensitivity to the lubricating agent through a large quantity of tests, advantage complementation of auxiliary materials, proper formula proportioning, reasonable granularity distribution and accurate powder mixing sequence. The method overcomes the defects of common material non-layering, non-uniform content, high tablet height difference, tablet powder fall, slow disintegration and the like in the direct tabletting production process, and solves the problems of color change of tablet cores, low dissolubility and the like of the wet granulation process.

The invention relates to an oral troche which contains repaglinide or pharmaceutically acceptable derivatives of repaglinide as well as a preparation method of the oral troche. According to the preparation method, powder of repaglinide or pharmaceutically acceptable derivatives of repaglinide is directly pressed into troche, so that the production cost is remarkably lowered, and the disintegration and the dissolution rate are greatly improved. The bioavailability and the stability of the medicine can be improved, and the problem of low content uniformity of existing small-dose medicines formed by the direct pressing method is overcome, so that the quality of the troche is better guaranteed.