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84results about How to "Short processing cycle" patented technology

Processing method of thin and long aluminium alloy thin-walled cylinder

The invention provides a processing method of a thin and long aluminium alloy thin-walled cylinder and belongs to a mechanical processing method of a slewing structure, and the processing method is used for carrying out friction stir welding on a shell blank so as to process and mold the shell blank into a bent generatrix thin-walled cylinder shell. The method provided by the invention can be used for solving the problems of poor shell generatrix displacement, poor shell roundness, uneven wall thickness, clearance at welding seams, unqualified performance detection and incapability of ensuring use requirements in the existing processing method. The method comprises a part manufacturing step, a matching step, a caustic washing step, a trial assembly step, a positioned welding step, a friction stir welding step, a welding seam polishing step, a stress-relief annealing step, an X-ray detection step, a shape processing step, a ultrasonic flaw detection step and an end face hole processingstep. The method provided by the invention can be used for solving the problems of poor shell roundness, uneven wall thickness, clearances at the welding seams and unqualified performance detection in the existing processing method, improving the shell processing precision and reliably ensuring the product quality.
Owner:HUBEI SANJIANG AEROSPACE GRP HONGYANG ELECTROMECHANICAL

Angle adjustable corner section bar system for curtain wall

ActiveCN101392569AShort processing cycleConvenient construction and installation positioningWallsAdhesiveMaterial system
The invention discloses an adjustable angle corner section material system for a curtain wall, which relates to a multi-corner section material system for a curtain wall, in particular to a corner section material system for a glass curtain wall. The section material system comprises a corner column, a corner cross beam, a connecting corner connector, an insulation spacer, a cross beam cover plate, a corner auxiliary frame, a common auxiliary frame, a curtain wall panel, a corner press piece and a side sealing gland. The corner column is used for installing the curtain wall; the connecting corner connector is arranged on one end part of the corner cross beam; the insulation spacer is arranged on the corner column together with the corner cross beam and the connecting corner connector through connecting bolts; the cross beam cover plate is arranged on the corner cross beam; the corner auxiliary frame and the common auxiliary frame adhere to a processed curtain wall panel through silicone structural adhesive; after the silicone structural adhesive is solidified, the common auxiliary frame on a horizontal edge of the curtain wall panel is hung onto the corner cross beam, and the corner auxiliary frame on a vertical edge of the curtain wall panel is arranged on the corner column through the corner press piece and a connecting screw; and after all parts are in position, the side sealing gland is installed to form the adjustable angle corner section material system.
Owner:GUANGDONG GOLDEN CURTAIN WALL ENGINEERING CO LTD

Facility agricultural non-point source pollutant on-site intercepting and absorptive method

The invention belongs to the technical field of environment protection, and relates to a facility agricultural non-point source pollutant on-site intercepting and absorptive method. By the aid of a triple intercepting and absorptive method of source control, process blocking and intercepting and destination absorption and fixation of facility agricultural pollutants, non-point source pollution sources-flow-convergence processes and water-fertilizer key factors determining forming of non-point source pollution are subjected to process key point control, and on-site reduction of facility agricultural non-point source pollution is achieved by means of reducing consumption of nitrogen and phosphorus, increasing nitrogen and phosphorus absorption, preventing nitrogen and phosphorus loss and recycling nitrogen and phosphorus. By the method, nitrogenous fertilizer input of facility farmlands is decreased by 35%, phosphate fertilizer input is decreased by 22%, chemical pesticide input is decreased by 41.4%, agricultural waste recycling and harmless treatment utilization rate reaches 91.7%, treatment cycle is shorted by 46.2%, nitrogen is reduced on site by 38.45%, and phosphorus is reduced by 25.42%. The method can be widely applied to interception and control of facility agricultural non-point source pollutants.
Owner:INST OF AGRI ENVIRONMENT & RESOURCES YUNNAN ACAD OF AGRI SCI

Automatic accurate adjustment system for instrument movement clearance

The invention discloses an automatic accurate adjustment system for an instrument movement clearance. The automatic accurate adjustment system comprises a work table, a handpiece module, an engine base module, a shifting module, a laser displacement sensor module and a controller. The handpiece module comprises a cutter head and a cutter head drive mechanism; the shifting module comprises a shifting plate and a shifting plate drive mechanism; the laser displacement sensor module comprises a probe, a laser displacement sensor and a probe drive mechanism; the signal output end of the laser displacement sensor is connected with the controller; and the control ends of drive elements in the cutter head drive mechanism, the shifting plate drive mechanism and the probe drive mechanism are connected with the controller. A clearance between a lower bearing and a shaft tip in a measurement mechanism of an electrical measuring instrument to be adjusted is detected by using the shifting plate, the probe and the laser displacement sensor, an adjustment quantity is output by using the controller according to a detection signal, and axial displacement is generated by driving the lower bearing through the cutter head, so that the accurate adjustment of the clearance between the lower bearing and the shaft tip is realized. The automatic accurate adjustment system is short in machining period, low in cost and high in efficiency; and moreover, the batch uniformity and the stability of the accuracy can be improved.
Owner:SHANGHAI COMPLEE INSTR

Formaldehyde exhaust-gas efficient film absorption technique

The invention relates to a formaldehyde waste gas high efficient membrane absorption technique, pertaining to the technical field of physical absorption or chemical absorption treatment and membrane separation. The ratio of diameter to height of a hollow fiber membrane contactor adopted by the technique is 0.1 to 0.3, the loading density is 0.1 to 0.6, the aperture of a membrane micropore is 0.1 to 0.3 Mum and the porosity is 0.1 to 0.6; formaldehyde in the waste gas is absorbed by adopting absorption liquid water or ammonia spirit with the content of 1 percent to 5 percent to generate the hydrates of the formaldehyde, namely, methylene glycol or hexamethylenetetramine, thus realizing the recycling treatment of the formaldehyde waste gas. The technique combines the traditional physical or chemical absorption treatment method and the high efficient membrane separation technique, can be operated under moderate conditions, namely, at normal temperature and normal pressure, has short treatment period and high treatment efficiency and can completely remove the formaldehyde in the waste gas. The technique can remove not only high-concentration formaldehyde but also low-concentration formaldehyde in the waste gas, with high efficiency, and the absorption liquid obtained during the treatment of the high-concentration formaldehyde waste gas can be further utilized, thereby realizing the recycling treatment of the formaldehyde waste gas.
Owner:JIANGNAN UNIV

Petrochemical engineering waste separating processing method

The invention discloses a petrochemical engineering waste separating processing method. The petrochemical engineering waste separating processing method comprises the following steps of: adding petrochemical engineering waste and water into a processor based on a weight ratio of 1: 0.5 to 1.5; heating to reach 60 to 95 DEG C; adding 0.3 to 1.2% of cracking agent to the processor based on weight of the petrochemical engineering waste; fully agitating to obtain oil, the water and impurity; and standing and precipitating so as to completely separate the oil, the water and the impurity. With the adoption of the petrochemical engineering waste separating processing method disclosed by the invention, so that the petrochemical engineering waste can be effectively processed, impurities such as sand and stones, soil, metal filing and surface active agents can be completely separated from the oil; the oil can be recycled, wastewater can be recycled, and processed impurity can be used as fuel, waterproof materials, snow melting agents, cement additives or buried after reaching a standard, therefore, harmless resource comprehensive utilization of the petrochemical engineering waste can be achieved, a good processing effect can be achieved, a short processing period can be ensured, no secondary pollution occurred in a processing procedure, and processing is carried out with low cost.
Owner:ZHUMADIAN YUANYI ENERGY CO LTD

Rotary drying device suitable for high moisture material

The invention provides a rotary type dryer which is suitable for high moisture materials. The dryer comprises a cylinder body, a driving device and a riding wheel device; a preheating zone, a baking zone and a drying zone are successively divided in an inner cavity of the cylinder body from head to tail; a plurality of lifting blades I rearward inclined with the bus of the cylinder body, a lifting blade II perpendicular to the bus of the cylinder body, a lifting blade III frontward inclined with the bus of the cylinder body and a lifting blade IV rearward inclined with the bus of the cylinder body are respectively arranged on the inner walls of the cylinder bodies of the preheating zone, the front zone and rear zone of the baking zone and the drying zone, and a plurality of the gammadia lifting blades with crisscross brackets are arranged in the cylinder body of the drying zone; a plurality of arch breaking chains, the two ends of which are fixed with the inner wall of the cylinder body, are arranged on the inner wall of the cylinder body. The rotary type dryer has the advantages that the dry processing can be directly performed to the high moisture materials, the equipment investment and the occupied area are effectively reduced, the processing period is shortened, the secondary pollution is avoided, the energy consumption and the operating cost are decreased, the moisture content can be decreased to 3 to 5 percent after the dry processing, and the dry processing effect is good.
Owner:JIANGSU KEHANG ENVIRONMENT ENG TECH

Treatment device for crop seeds

The invention relates to a treatment device for crop seeds, which greatly improves the screening efficiency and screening effect of the seeds, and improves a germination rate of the seeds. The top ofa screening cylinder is provided with a charging port, the middle of the screening cylinder is provided with a separating port, and the bottom of the screening cylinder is provided with a returning port and a discharging port; a filter net is arranged between the separating port and the charging port, and the aperture of the filter net is larger than the particle size of the seeds; the separatingport is communicated with a fan by a separating pipe, and the fan is further communicated with a cloth bag; the returning port is closer to the separating port than the discharging port, the discharging port is movably connected to a material baffle plate, and the material baffle plate is driven by a first power device to move horizontally; the bottom of a returning cylinder is communicated with the returning port of the screening cylinder by a first returning pipe, and the top of the returning cylinder is communicated with the charging port of the screening cylinder by a second returning pipe; a feeding screw rod is rotatably connected in a feeding channel in the returning cylinder, and the feeding screw rod can be driven by a second power device to rotate; a mounting rod is connected ina mixing cylinder along the axial direction, blades sleeve the periphery of the mounting rod, and the mounting rod is driven by a third power device to rotate.
Owner:MAANSHAN QUANRUN AGRI SCI & TECH

Half-module pivoted window mechanism applied to sub transonic speed wind tunnel

The invention relates to a half-module pivoted window mechanism applied to a sub transonic speed wind tunnel. The half-module pivoted window mechanism comprises a driving transmission module, a feedback and measurement module and a rotating module, wherein the driving transmission module consists of a support seat, a large cylindrical straight gear, an alternating current servo motor, a speed reducer, a gear press cover, a small cylindrical straight gear, a compression cover and a compression screw, the feedback and measurement module consists of a potentiometer support seat, a potentiometer, a press sheet, a shaft coupler, a small shaft and a connecting cover, and the rotating module consists of a right bearing cover, a bearing seat, a pair of precise conical roller bearings, a left bearing cover and a main shaft. Through the adoption of a cylindrical straight gear group, the half-module pivoted window mechanism can realize the movement for positive 360 degrees and negative 360 degrees, in addition, the integral hosting of the mechanism can be realized, a measurement part adopting the potentiometer as the core is adopted for the transmission matching of the cylindrical straight gear group, and the attack angle control precision being +/-3' can be realized.
Owner:CHINA ACAD OF AEROSPACE AERODYNAMICS

Turning, closing-up and rib rolling device for tube parts

InactiveCN102728683ASimple clampingShort processing cycleGasketScrew thread
A turning, closing-up and rib rolling device for tube parts relates to closing-up and rib rolling devices for tube parts and solves the problem that a die used for closing up tube parts is complicated in structure, long in processing cycle, high in cost and poor in universality. Stepped holes are arranged at an axial center of a roller, the outer surface of the roller is an outwardly protruded arc surface, a bearing is arranged in a bearing mounting hole, a pressing section on a press ring is disposed in the bearing mounting hole, the end surface of the pressing section presses an outer ring of the bearing tightly, the press ring is connected with the roller through screws, a roller rack is of a shifting fork structure, an assembly consisting of the roller, the bearing and the press ring is disposed in a groove, a threaded end of a shaft sequentially penetrates through a lateral shaft mounting hole, a roller inner hole, an inner hole of the bearing, a through hole and another lateral shaft mounting hole, a limiting sleeve is sleeved on the shaft and presses an inner ring of the bearing tightly, a gasket is sleeved at the threaded end of the shaft, and a nut is connected with the threaded end of the shaft in a threaded manner. The turning, closing-up and rib rolling device of the invention is used for realizing turning, closing-up and rib rolling on serial tube parts with identical shapes and different outer diameters.
Owner:HARBIN JIANCHENG GRP

Recycling and emission reduction method of gases in sludge aerobic treatment

The invention relates to the field of sludge treatment, in particular to a recycling and emission reduction method of gaseous substances in sludge aerobic treatment. The international patent classification (IPC) number of the invention is C02F1/74. The sludge aerobic treatment is divided into two stages, namely a main gas production stage and a microbiological gas production stage, wherein the gaseous substances generated in the main gas production stage are utilized to improve the active environment of microorganisms in the microbiological gas production stage, thus the microorganisms in the microbiological gas production stage can be used for further completing the oxygenolysis of organic substances and removing main smelly substances in the aerobic treatment; and finally the gases generated in the microbiological gas production stage are collected and discharged when meeting the related standard. By adopting the method provided by the invention in the sludge oxidation treatment process, according to the relation between the activity of microorganisms in sludge and the environment, the gases generated in the high temperature oxidation stage are recycled to improve and regulate the microbiological environment in the low temperature stage; in the entire process, no foreign microbial agent is used, and no biological deodorization equipment is required; and the investment cost and the operating cost are low, no smelly gases is discharged in the whole process, the production cycle is shortened, and the fertilizer efficiency of the product is greatly increased.
Owner:北京圣海林生态环境科技股份有限公司

Small combined spring type quick unfolding mechanism

The invention discloses a small combined spring type unfolding mechanism which comprises a rudder surface, a compression spring, a rudder seat and a rotating unit. The compression spring is arranged on the rudder surface, the rudder surface is in the shape of a right trapezoid, and the compression spring, the rudder seat and the rotating unit are sequentially arranged at the trapezoidal bottom of the rudder surface from bottom to top. The rotating unit comprises a rotary shaft, a rudder surface cylindrical pin, a first torsion spring, a second torsion spring, a screw pin and a spring seat, the middle of the rotary shaft is fixed to the rudder surface by the aid of the rudder surface cylindrical pin, the first torsion spring and the second torsion spring are respectively arranged on two sides of the rudder surface cylindrical pin and are disposed in the rotary shaft, the other side of the first torsion spring is connected with the rudder seat, and the other side of the second torsion spring is connected with the spring seat. The small combined spring type unfolding mechanism has the advantages that a combined spring mode is adopted, the maximum thickness of the integral mechanism is only 10mm, accordingly, the small combined spring type unfolding mechanism can be applied to mechanisms with small space, and is low in cost.
Owner:SHANGHAI AEROSPACE CONTROL TECH INST

Polycyclic aromatic hydrocarbon-heavy metal contaminated soil leaching device and restoration system

The invention discloses a polycyclic aromatic hydrocarbon-heavy metal contaminated soil leaching device and restoration system, and belongs to the technical field of contaminated soil restoration. Thepolycyclic aromatic hydrocarbon-heavy metal contaminated soil restoration system comprises a crushing and sorting device, the leaching device, a vacuum dehydration device, a primary treatment tank and a secondary treatment tank, wherein a feed inlet of the leaching device is connected with the crushing and sorting device, and a discharge hole of the leaching device is connected with the vacuum dehydration device. The polycyclic aromatic hydrocarbon-heavy metal contaminated soil restoration system adopts ectopic soil leaching, wherein ectopic soil leaching specifically comprises the steps of digging out contaminated soil, then transferring pollutants in a soil solid phase to a liquid phase through ion exchange, precipitation, adsorption, chelation and the like by using an eluting agent, and then treating a leaching solution containing the pollutants. The polycyclic aromatic hydrocarbon-heavy metal contaminated soil restoration system has the characteristics of short treatment period, good effect, low cost, no hidden danger of heavy metal migration and the like.
Owner:上海松沅环境修复技术有限公司
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