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57results about How to "Release capacity" patented technology

Online thermal treatment, acid pickling and phosphating process of medium and high-carbon superfine steel wire for rope making

The invention discloses an online thermal treatment, acid pickling and phosphating process of a medium and high-carbon superfine steel wire for rope making. The process is suitable for the production of the products which have diameters of phi 0.8-1.3mm and which are of types of high-quality carbon structural steel 45#, SWRH47A and SWRH62A and high-quality carbon structural steel 65# and SWRH72A on a same production line, and is capable of reducing the energy consumption and the consumption of the main accessories in the production process. In a steel wire heating step, a four-stage heating manner is used and the furnace temperature is respectively set to be 900 DEG C, 885 DEG C, 870 DEG C and 855 DEG C; in a lead pan isothermal cooling step, the lead temperature is set to be 565 DEG C, and the DV value is 63mm.m/min; and in the phosphating process, the phosphating temperature is 85+/-5 DEG C, the total acidity is 80-90, the free acidity is 12-16 and the acid ratio is 5-8. Through setting the optimal acid pickling and phosphating process parameters, the obtained product steel wire for rope making is capable of obtaining favorable mechanical property after undergoing drawing, and meanwhile, the energy consumption is reduced and the production cost is reduced.
Owner:天津市新天钢中兴盛达有限公司

SPE membrane electrode and preparation technology thereof

The invention discloses an SPE membrane electrode which is arranged in an SPE electrolytic cell comprising the SPE membrane electrode, a bipolar plate, an end plate and a sealing gasket. The SPE membrane electrode comprises a proton exchange membrane, a catalyst embedded into the proton exchange membrane, and a polyester frame surrounding the edge of the surface of the bipolar plate and being in charge of connecting with the bipolar plate. The invention further discloses a preparation technology of the SPE membrane electrode. The preparation technology comprises the steps of catalyst sprayingpreparation, catalyst spraying, proton exchange membrane clipping, hot pressing preparation, hot pressing and post treatment. The SPE membrane electrode is simple in structure, convenient to manufacture and low in cost; the utilization ratio of the proton exchange membrane is raised significantly; the consumption of the proton exchange membrane is reduced; the cost of the SPE membrane electrode islowered; the connecting strength between the membrane electrode and the bipolar plate is ensured and improved; the spraying efficiency of the catalyst and the manufacturing efficiency of the SPE membrane electrode are improved substantially; and the productive capacity potential of the SPE electrolytic cell is released fully.
Owner:浙江高成绿能科技有限公司

Multi-coal-seam independent gas-containing system pressure control single-pump drainage device and method

InactiveCN109458161APressure drop funnel lastsExtended stabilitySurveyFluid removalWater flowSystem pressure
The invention discloses a multi-coal-seam independent gas-containing system pressure control single-pump drainage device and method. The device comprises an inner casing pipe and an outer casing pipe,an oil pipe is arranged in the inner casing pipe, an oil pumping rod is arranged inside the oil pipe, the bottom of the oil pumping rod is connected with a tubular pump, a sand settling pipe is arranged at the bottom of the tubular pump, and a sifting pipe is further arranged above the sand settling pipe; a first packer and a second packer are arranged between the inner casing pipe and the outercasing pipe; a pressure meter cable and an annular flow limiting valve cable are fixedly arranged on the pipe wall of the inner side of the inner casing pipe, the bottom of the pressure meter cable isconnected with a pressure meter, the pressure meter is fixedly installed at the bottom of the inner wall of the inner casing pipe, and the bottom of the annular flow limiting valve cable is connectedwith annular flow limiting valves of all independent gas-containing systems. According to the multi-coal-seam independent gas-containing system pressure control single-pump drainage device and method, the annular flow limiting valves are installed to control the volume of water flowing into a pump port of the inner casing pipe; a movable liquid level assisting pipe can separate gas produced by all the independent gas-containing systems, and a gas flowmeter can be installed at the top of the movable liquid level assisting pipe to monitor the gas production yields of all the gas-containing systems.
Owner:CHINA UNIV OF MINING & TECH

Shock absorber of washing machine and washing machine provided with same

The invention discloses a shock absorber of a washing machine and a washing machine provided with the same. The shock absorber comprises a shock absorber sleeve, a shock absorber rod, elastic members,a first damping member and a second damping member, wherein the shock absorber sleeve internally defines an accommodating cavity; the shock absorber rod is movably connected with the shock absorber sleeve; the elastic members are arranged on the shock absorber rod and/or the shock absorber sleeve; the first damping member is sleeved on the shock absorber rod and mounted on the shock absorber sleeve; the second damping member is mounted on the shock absorber rod and accommodated in the accommodating cavity, wherein a passage for accommodating the first damping member is formed in the shock absorber sleeve and/or the shock absorber rod; the first damping member is capable of moving a predetermined distance in the passage along a direction in which the shock absorber sleeve and the shock absorber rod move relative to each other, and when a distance between the shock absorber sleeve and the shock absorber rod in relative motion is greater than the predetermined distance, the first dampingmember and/or the second damping member produce damping. The shock absorber provided by the embodiment of the invention has good shock absorption and small volume.
Owner:WUXI LITTLE SWAN ELECTRIC CO LTD

Continuous roll forming method for M-shaped steel sheet pile

InactiveCN111014436AReduce torqueCurrent power consumption reductionSteel platesEngineering
The invention discloses a continuous roll forming method for an M-shaped steel sheet pile. The continuous roll forming method is characterized by specifically comprising the following steps that S1, strip steel is longitudinally sheared; S2, uncoiling and flattening are carried out; S3, shearing and butt welding are carried out; S4, continuous roller type cold roll forming is carried out; S5, a semi-finished steel sheet pile is cut; the strip steel is a steel reel with the width matched with the width of the unfolded size of the M-shaped steel sheet pile, or a steel reel with the width matchedwith the width of the unfolded size of the M-shaped steel sheet pile after being machined; and complex hooks and legs are synchronously formed through a downward hook forming process, the process ischanged into simple similar channel steel production, so that cold-bent steel sheet piles of different sizes are produced. In this way, the number of steel sheet pile product molds is greatly reduced,the mold cost is saved, the product development time period is shortened, the product can only be produced by 10 mm or below from an original unit, and 13.5 mm steel sheet pile products can be produced after the new technology is improved.
Owner:南京图信新材料科技有限公司

Efficient concrete prefabricated part production line

The invention discloses an efficient concrete prefabricated part production line. The efficient concrete prefabricated part production line comprises a stirring production line for concrete prefabricated part machining, a material distributing machine production line for concrete prefabricated part machining and a maintaining production line for concrete prefabricated part machining; the stirring production line for concrete prefabricated part machining comprises a bullet vehicle track which is arranged to be annular; a left track and a right track which are parallel to each other are arranged on the two sides of the bullet vehicle track correspondingly; a main stirring station is arranged at the tail end of the left track; an auxiliary stirring station is arranged at the semicircular-arc-shaped end of the side, close to the main stirring station, of the bullet vehicle track; the material distributing machine production line for concrete prefabricated part machining comprises a left material distributing machine vibration table and a right material distributing machine vibration table; and the maintaining production line for concrete prefabricated part machining comprises a maintaining kiln which comprises a left maintaining kiln body and a right maintaining kiln body. The efficient concrete prefabricated part production line is optimized in design and higher in reliability, the machining efficiency is improved, and the productivity is released.
Owner:SUZHOU JIASHENG YUANDA CONSTR IND CO LTD

Coal-bed methane mining method

The invention discloses a coal-bed methane mining method. A plurality of adjacent reservoirs can be opened simultaneously, a main borehole communicates with horizontal sections and branch well sections of the multiple reservoirs, the multiple adjacent reservoirs play a synergistic effect, though the permeability increasing effect of the upper reservoirs, the permeability of the lower reservoirs is increased effectively, and the productivity is released to the utmost extent. According to the coal-bed methane mining method, the productivity is ensured, another borehole does not need to be additionally constructed, and thus the coal-bed methane mining cost of the multilayered-system reservoirs is lowered to a certain extent.
Owner:BEIJING ORION ENERGY TECH DEV +1

Car roof flexible assembling and welding clamp system

The invention relates to the technical field of railway passenger car manufacturing equipment, in particular to a car roof flexible assembling and welding clamp system. The technical problems that inthe prior art, when a stainless steel car roof welding manufacturing process is used for manufacturing and remodeling, a clamp system is complex in adjustment, and effective production time is wastedare solved. The method specifically comprises the steps that a control unit receives car roof model information of a railway passenger car based on hardware equipment, and the hardware equipment classifies the car roof model information into a plurality of execution signals based on a loaded solidification program; the preset moving distance or the preset moving height formed by execution units drives the corresponding execution units to move and act based on the instructions of the execution signals; and the execution units feed back the coordinates of the X axis, the Y axis and the Z axis ofthe execution units to the control unit, and the coordinates are received by the hardware equipment. According to the technical scheme, stainless steel car roof welding production is effectively improved and optimized, the tool remodeling time can be greatly shortened, and the capacity of a stainless steel production line is released.
Owner:CRRC CHANGCHUN RAILWAY VEHICLES CO LTD

Non-quenched-tempered ocean engineering structure pipe with steel grade of more than 360MPa

The invention relates to a non-quenched-tempered ocean engineering structure pipe with steel grade of more than 360MPa. The non-quenched-tempered ocean engineering structure pipe comprises the following component elements in percentage by weight: 0.02-0.12% of C, 0.17-0.35% of Si, 1.20-2.10% of Mn, less than or equal to 0.015% of P, less than or equal to 0.010% of S, less than or equal to 0.30% of Cu, 0.05-0.30% of Ni, less than or equal to 0.30% of Cr, less than or equal to 0.30% of Mo, 0.005-0.060% of Al, 0.03-0.12% of Nb, 0.005-0.030% of Ti, less than or equal to 0.40% of CE, 0.21% of Pcm, and the balance of Fe. The non-quenched-tempered ocean engineering structure pipe is scientific and reasonable in design, and adopts a low-carbon high-niobium steel design and a thermo-mechanically rolled non-quenching-tempering technology, and the non-quenched-tempered ocean engineering structure pipe with the steel grade of more than 360MPa is realized through transforming a rolling production line. Starting from the metallurgical design conception, offline quenching and tempering processing is not required, the production of the seamless steel pipe can be achieved only through thermo-mechanical rolling, the procedure cost of per ton can be reduced greatly, more importantly, the capacity can be greatly released, and the market competitiveness of domestic enterprises can be effectively improved.
Owner:天津市精成伟业机器制造有限公司

Stainless steel sheet annealing and pickling line acceleration method and system

The invention provides a stainless steel sheet annealing and pickling line acceleration method and system. The method comprises the steps that the maximum speed of a to-be-processed steel belt in thefeeding area and the maximum speed of the to-be-processed steel belt in the discharging area are calculated, specifically, the maximum speed of the to-be-processed steel belt in the feeding area and the maximum speed of the to-be-processed steel belt in the discharging area are calculated according to the preset acceleration of the feeding area, the preset technological processing speed of the technological processing area, the length of the to-be-processed steel belt, the preset deceleration of the discharging area and the head-tail welding time of the to-be-processed steel belt and an adjacent to-be-processed steel belt in the feeding area in a pickling line, and the numerical value of the preset deceleration of the discharging area is equal to that of the preset acceleration of the feeding area; and parameters of a frequency converter are corrected, specifically, the parameters of the frequency converter in the pickling line are corrected according to the maximum speed of the feeding area and the maximum speed of the discharging area, and the frequency converter is used for conducting frequency conversion speed regulation on a motor in the feeding area and a motor in the discharging area so that the pickling line can conduct production according to the preset technological processing speed.
Owner:广西北港不锈钢有限公司
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