268results about How to "Avoid unqualified" patented technology

The invention discloses a natural gas liquefaction and light dydrocarbon separation integrated process system and process. The process comprises the steps that after natural gas is subjected to precooling, a gas phase and a liquid phase are drawn out of a main heat exchange cold box and enter a washing tower, the tower top gas phase enters the main heat exchange cold box to be cooled, gas-liquid separation is carried out through a washing tower return tank, the liquid phase enters the washing tower to provide the cold reflux for the washing tower, and the gas phase returns to a liquefaction section of the main heat exchange cold box; after being subjected to throttling pressure reduction, the bottom stream of the washing tower enters a dethanizing column, the top gas phase of the dethanizing column enters a precooling section of the main heat exchange box to be cooled, and gas-liquid separation is carried out through a return tank of the dethanizing column; according to low-temperature liquid-phase ethane, on one hand, the cold reflux is provided for the dethanizing column, and on the other hand, part of the low-temperature liquid-phase ethane is extracted to serve as ethane refrigerant to be stored, and the rest is pressurized and conveyed to the liquidation section of the main heat exchange cold box through a pump; propane and butane are pressurized through a propane pump and a butane pump respectively and then mixed to be conveyed to the cold box, extraction is carried out after precooling, methane and ethane stream is combined after throttling, then propane, butane, methane and ethane return to the main heat exchange cold box to be liquefied together, and LNG is produced.

The invention discloses an exclusive welding tool for an annular cooler special-shaped beam. A beam body bearing thereof is used to bear and position the beam body of the special-shaped beam; an upper surface thereof is provided with a first position limitation part adapted with an adapter positioning hole in the bottom of the beam body; two flange end plate bearings thereof are respectively used to bear the inside and outside flange end plates of the special-shaped beam; the opposing side surfaces of the two flange end plate bearings are respectively provided with a second position limitation part adapted with the flange hole group of the corresponding flange end plate; the height from the upper surface of the beam body bearing to the second position limitation part is consistent with the height from the bottom surface of the beam body to the flange hole group on the corresponding flange end plate; and the lengths from the first position limitation part on the beam body bearing to the opposing side surfaces of the two flange end plate bearings are respectively consistent with the lengths from the adapter positioning hole in the bottom of the beam body to the flange surfaces of the inside and outside flange end plates. The exclusive welding tool greatly improves operating efficiency while ensuring processing accuracy for the special-shaped beam. Based on the exclusive welding tool, the invention also provides a processing technology for an annular cooler special-shaped beam.

The invention provides an automatic seal ring loading system for a lead-acid battery after cover closure. The automatic seal ring loading system comprises a conveying mechanism, a material pile arranged at an input end of the conveying mechanism, a feeding device located on the rear side of the material pile, a detection and correction device located on the rear side of the feeding device as wellas a seal ring loading device located on the rear side of the detection and correction device. Perpendicularity of a pole of the lead-acid battery is corrected by the detection and correction device,then the seal ring is loaded to the pole by the seal ring loading device, the seal ring is rotationally pressed by a pressing mechanism in a loading process, the technical problem of low seal ring loading precision for the pole of the lead-acid battery is solved, sealing performance of the seal ring is improved, seal ring loading speed is increased, and poor sealing effect caused by twist in the seal ring loading process is prevented.

The invention relates to a processing method of an austenitic seamless stainless steel rectangle water pipe used for a turbo-generator, which sequentially has the processing steps of hot rolling round bar, continuous extruding round pipe, drawing an elliptic pipe with a non-core bar, drawing a rectangle pipe with a short core bar, and carrying out solution treatment and annealing to obtain the finished product. According to the mass percentage, the stainless steel which is adopted by the water pipe contains carbon less than or equal to 0.030%, silicon less than or equal to 1.0%, manganese less than or equal to 2.0%, sulphur less than or equal to 0.030 %, phosphorus less than or equal to 0.035%, chromium ranging from 18.00% to 20.00%, Ni ranging from 9.0% to 13.0%, rare earth element Re ranging from 0.002% to 0.008%, silver ranging from 0.001% to 0.005%, and iron and other impurities with the residual quantity; wherein, the rare earth element is a compound which consists of 40% to 45% of Ce, 40% to 45% of lanthanum and Yt with residual quantity according to the mass percentage. The processed water pipe has good toughness, strong corrosion resistance and low magnetic permeability, and is an ideal material used for the motor stator water pipes of 1000MW-class turbo-generators.

The invention relates to a conicity measuring device and method of an inner taper hole. A pedestal is arranged in the bottom end of a measuring sleeve, and a scale sleeve is arranged in the top end ofthe measuring sleeve; the top end of the scale sleeve is provided with a microdrum and a ratchet sleeve successively; the measuring sleeve is internally provided with a micrometer screw with a taperhead, and the top end of the micrometer screw with the taper head is connected with the ratchet sleeve and integrated with the microdrum; and the pedestal is internally provided with a guide slot, theguide slot is internally provided with measuring claws, the outer ends of the measuring claws are connected with bulbs respectively, and the taper head of the micrometer screw makes contact with thetwo measuring claws. The device and method are mainly used to measure the conicity of the inner taper hole of the sleeve, the measuring device can carry out rapid and accurate measurement in a production site and provides convenience for adjustment of a machine tool, the conicity can be measured at any time, and unqualified products due to out-of-tolerance of the conicity dimension are avoided.

The invention relates to a self-aligning sintering clamp and method for a semiconductor laser chip. The clamp comprises a pedestal, a guide rail support, and a press block. The pedestal is provided with a positioning card slot matched with a heat sink. Two sides of the press block are provided with symmetric positioning racks. The guide rail support is vertically disposed on the pedestal, and is provided with symmetric suspension arms. The interior of each suspension arm is provided with a positioning guide rail. The positioning racks of the press block can be sleeved by the positioning guide rails, and move up and down in the positioning guide rails. The bottom end of the press block is provided with a press column. When the press block moves downwards, the press column compresses a chip on the heat sink. The invention also provides the method for sintering the semiconductor laser chip through the above clamp. The clamp is simple in structure, is low in cost, can achieve the self-aligning, and is convenient for operation and observation. The method can achieve the quick batch sintering of the semiconductor laser chips and heat sinks, and remarkably improves the sintering yield of the clamp.

The invention discloses a manufacturing method of prefabricated bending integrated materials. The manufacturing method of the prefabricated bending integrated materials comprises the following steps that a plurality of wood plates with the preset thickness are provided; a part of wood plates in the plurality of wood plates are in longitudinal finger joint in pairs; the elastic stage maximum interference degree of a plurality of layer plates is measured, and in addition, the bendable minimum curvature radius of each layer plate is calculated; the plurality of layer plates are used for being processed into the prefabricated bending integrated materials with different curvature radii; the prefabricated bending integrated materials are placed until the prefabricated bending integrated materials cannot deform, then, the actual curvature radii of the prefabricated bending integrated materials are measured, and next, the relationship curve and the function relationship of the actual curvature radius and the processing curvature radius are established; according to the actually required curvature radius, the processing curvature radius is obtained through the calculation via the function relationship, and the prefabricated bending integrated materials with the corresponding processing curvature radius can be obtained through processing. The manufacturing method of the prefabricated bending integrated materials is simple and feasible, and the implementation is convenient.

The invention discloses LED lamp belt automated assembling equipment with groove glue injection height detection. The equipment particularly comprises a base, a workbench, a laser displacement sensorand a U-shaped half sleeve, wherein a frame body is installed on one side of the top of the base, a vacuum pump is installed at the middle position of the top of the frame body, electromagnetic sliderails are arranged at both ends of the top of the frame body, sliding blocks are installed inside the electromagnetic slide rails, hydraulic telescopic rods are fixed to the bottom ends of the slidingblocks, and vacuum suction cups are arranged at the bottom ends of the hydraulic telescopic rods. According to the LED lamp belt automated assembling equipment with groove glue injection height detection, through the arrangement of the laser displacement sensor and an alarm, the laser displacement sensor can detect the glue injection groove depth of the U-shaped half sleeve, if the glue injectiongroove depth is detected as unqualified, a control panel can control the alarm to send an alarm to remind staff to take away a bad U-shaped half sleeve, and unqualified assembled LED lamp belts are avoided.

The invention discloses a transfer device used for lithium ion battery machining, and belongs to the technical field of lithium ion battery machining. The transfer device used for lithium ion batterymachining comprises a base, a first box body and a second box body. The first box body and the second box body are both fixedly connected to the base. The second box body is located above the first box body. The bottom of the base is connected with walking wheels. A containing cavity is formed in the second box body. Two first clamping plates are connected in the containing cavity. Second clampingplates are elastically connected to the two first clamping plates. The bottom of the containing cavity is elastically connected with a bottom plate. A first gas bag is connected to each second clamping plate. Second gas bags are connected between the bottom plate and the containing cavity. A clamping device further comprises an inflation mechanism used for conducting inflation on the first gas bags and the second gas bags. The power end of the inflation mechanism is connected with the walking wheels. The clamping device further comprises a drive part. When the transfer device moves, the inflation mechanism can be driven by the walking wheels to conduct inflation on the first gas bags and the second gas bags, and therefore the function of protecting workpieces is achieved.

The invention discloses a control method for the loop height. Before a rolled piece enters a rolling mill N-1 and the front end of the rolled piece enters a rolling mill N, the speed of the rolling mill N is decreased to a set linear speed VN. After the rolled piece is bitten into the rolling mill N, a loop rising roll is lifted, a loop is formed by the rolled piece between the rolling mill N and the rolling mill N-1. A parameter RN is obtained by a control system through the rolled piece sectional area FN of the rolling mill N and the rolled piece sectional area FN-1 of the rolling mill N-1. The control system regulates the linear speed VN-1 of the rolling mill N-1 through the RN and the set linear speed VN of the rolling mill N. The control method for the loop height has the beneficial effects of being high in percent of pass and easy to control.

The invention discloses a printed matter cutting device, and belongs to printed matter cutting equipment. The printed matter cutting device comprises a fixed base and a movable base, the upper surfaceof the fixed base is provided with a stand column, the stand column is provided with a vertical slide rail, a vertical sliding block matched with the vertical sliding rail is arranged on the movablebase, a horizontal sliding rail is arranged on the lower surface of the movable base, a plurality of working tables are arranged on the horizontal sliding rails, a cutting knife and a paper fixing device are arranged on the surface of the working tables, the paper fixing device comprises a telescopic rod fixedly arranged on the surface of the working table, the telescopic rod is a sleeve type telescopic rod, the telescopic rod is sleeved with a reset spring, and the lower end of the telescopic rod is provided with an idler wheel; the working tables are provided with a first locking screw, andthe movable base is provided with a lifting device. According to the printed matter cutting device, the position error of the printed matter in the cutting process can be kept, and can also be adaptedto cutting of printed matters of various sizes and specifications, so that the cutting efficiency is improved.

The invention discloses a plastic injection molding machine with a cooling mechanism. The plastic injection molding machine with the cooling mechanism comprises an operation platform. A first baffle and a second baffle are fixedly installed on the operation platform. The side portion of the first baffle is fixedly provided with a first hydraulic cylinder and a limiting column. One end of the firsthydraulic cylinder is fixedly connected with a supporting plate. The side portion of the supporting plate is fixedly connected with a connection rod. One end of the connection rod is fixedly connected with a moving mold. One side of the moving film is fixedly connected with a guide mechanism. One side of the second baffle is fixedly provided with a fixed mold matched with the moving mold. An injection molding hole is formed in one side of the second baffle. The operation platform is provided with an injection molding mechanism in a sliding manner through a sliding platform. The injection molding hole communicates with an injection molding opening of the injection molding mechanism. The plastic injection molding machine with the cooling mechanism can improve the cooling efficiency, cool cooling water and guarantees cooling efficiency, the moving mold is located and monitored, and the situation that the moving mold shifts, so that unqualified products are caused is avoided.

The invention discloses a paint processing production line supervision and feedback system based on the Internet, and relates to the technical field of production line supervision and feedback. The technical problem that in the prior art, the production pressure is increased due to the fact that paint orders cannot be preprocessed is solved, the paint orders are analyzed through the preprocessing unit, the paint orders which are not produced are sorted, the orders are divided into loose orders and tension orders, the production pressure is effectively relieved, the production efficiency is improved, the unproduced paint orders are sorted according to the time values, the reliability of order production completion is improved, meanwhile, the situation that the orders cannot be completed due to improper order allocation is effectively prevented, information feedback is conducted on administrators and workers after information feedback signals and corresponding procedures are received through the information feedback platform, The information transmission time can be shortened by establishing an information feedback channel, meanwhile, the communication efficiency is improved by direct information communication between the administrator and the worker, and the production problem can be solved easily.

The invention discloses a double-twisting strander of an external take-up and internal pay-off type. A left main shaft (3) and a right main shaft (4) are connected to the left side and the right side of a rotating body (2) respectively and rotate along with the rotating body (2), a pay-off spool combination (5) is arranged in the rotating body (2), a noseplate (6) is correspondingly arranged on the thread outlet side of the pay-off spool combination (5), one side of the noseplate (6) corresponds to the thread outlet side of the pay-off spool combination (5), a thread pressing die (7) is arranged on the other side of the noseplate (6) and corresponds to the right main shaft (4), a thread passing guide wheel (8) is arranged between the right main shaft (4) and the left main shaft (3), the left main shaft (3) corresponds to a traction wheel combination (9), and the traction wheel combination (9) corresponds to a take-up spool (1).

The invention discloses a surface marking device for processing mechanical parts, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a fixed table, and the top of the fixed table is fixedly connected with a motor, and the surface of the output shaft of the motor is sleeved with a The first pulley, the top of the fixed table is fixedly connected with the first support rod, the top of the first support rod is rotatably connected with the first rotating rod, and the surface of the first rotating rod close to the motor end is provided with the second pulley, and the second pulley The surface is connected to the first pulley through a belt, and a turntable is sheathed on the surface of the first rotating rod away from the motor. The invention belongs to the technical field of marking equipment. The surface marking device for processing mechanical parts ensures the marking depth of the marking plate on the mechanical parts, avoids unqualified products caused by insufficient depth reaching the standard, and reduces the need for The processing cycle of mechanical parts improves the efficiency of overall processing of products.

The invention discloses a bottle cap screening device and method. The bottle cap screening device comprises a connecting plate, a first guard plate, a second guard plate, an upper guard plate and a lower guard plate, wherein a bottle cap inlet is formed in the connecting plate; the first ends of the first guard plate and the second guard plate are oppositely arranged on the left side and the right side of the bottle cap inlet; the first end of the upper guard plate is arranged on the upper side of the bottle cap inlet; the first end of the lower guard plate is arranged on the lower side of the bottle cap inlet and is arranged near the first guard plate; a space formed by the first guard plate, the second guard plate, the upper guard plate and the lower guard plate is a screening passage; a screening opening is formed between the lower guard plate and the second guard plate; the width of the screening opening is smaller than the thickness of a bottle cap with an anti-theft ring, and is greater than or equal to the thickness of the bottle cap which loses the anti-theft ring; a side blowing gas nozzle which blows towards the second guard plate is arranged on the first guard plate. The bottle cap screening device and method can quickly and accurately screen the bottle cap which loses the anti-theft ring, so that the situation that unqualified products appear is avoided.

The invention relates to a preparation method for a preparation of Chinese medicine, particularly relates to a bilobalide injection and a preparation method thereof and belongs to the field of medicine. The technical problem is solved by the invention by providing the bilobalide injection. The bilobalide injection has the advantages of clear components and fixed proportion; the bilobalide injection with high purity, clear component and fixed proportion is taken as an active ingredient; the content of the effective component is above 95%; and the bilobalide injection contains the following components.