54results about How to "Reduce downtime losses" patented technology

The invention discloses a balance adjustment device for oil pumping machine and balanced structure adjustment method of oil pumping machine, by which the balanced structure adjustment is changed from using indirect parameter-electric current to using direct parameter-displacement, so that the adjustment is accurate and rapid, and the energy is remarkably saved. The invention also discloses an oil extraction control device, a color power indicator, an oil extraction measurement meter, an oil extraction integrated protection device, an oil extraction integrated testing and diagnosis control device, and a data acquisition and transmission unit for an oil extraction measurement and control system. The color power indicator provides a novel mean and method for diagnosis of oil pumping machine, which remarkably improves the effectiveness of diagnosis. The oil extraction integrated diagnosis control device and the data acquisition and transmission unit for the oil extraction measurement and control system have the advantages of high degree of automation, more monitored and controlled parameters, and large protection range; can perform onsite automatic acquisition and control and can perform long-distance automatic acquisition and control in management center; and provides a fundamental mean with high feasibility for realizing automated management of the full oil field.

The invention discloses a preparation method of a high-temperature-wear-resistant lining plate for a coke pot for coke dry quenching. The high-temperature-wear-resistant lining plate is prepared by cladding a metal ceramic layer on a metal lining plate. The preparation method comprises the following steps: (1) preparing uniformly mixed metal ceramic powder; (2) brushing light absorbing coatings on the surface of the metal lining plate uniformly; (3) after the coating of the light absorbing coatings is dry, feeding the powder pneumatically or feeding the powder by way of powder spreading or gravity, wherein the thickness of the powder layer is 0.5-4.0mm; and (4) scanning the metal ceramic powder which has been spread or delivered in place by virtue of a high power laser and forming the cladded high-temperature-wear-resistant metal ceramic layer on the metal lining plate. By utilizing the method to prepare the high-temperature-wear-resistant metal lining plate for the coke pot for coke dry quenching, low cost and stable production quality are ensured, and implementation is convenient; and the method is convenient for mass production and has prominent economic and social benefits.

The invention discloses a code scanning technology based spare part full life circle tracking method, and relates to a life circle tracking method. At present, a spare part management mode exposes thedefects that the efficiency is low, and the controllability is poor, and very big hidden danger is brought to safety production of a company. The method comprises the following steps of spare part filing application, spare part storage, spare part receiving, equipment replacement, spare part returning/breakage, spare part stock-taking, spare part early warning report, spare part quality evaluation, status tracking, spare part account maintenance and file information maintenance conducted on frequently-used spare parts according to production requirements. According to the technical scheme, normal maintenance of production equipment and smooth maintenance plan implementation are guaranteed, safe and stable production of an automatic production operation system is guaranteed, centralized and unified management of the spared parts is strengthened, spare parts are stocked, people pay adequate attention to four links of use, management, repairing and supplying, and spare part post-use tracking is well conducted.

The invention discloses a color dynamometer for oil extraction and application method thereof. The color power indicator for oil extraction relates to a device for measuring and monitoring curves, figures and related data reflecting operating state of pumping well, in particular to a device for measuring and monitoring various dynamometer diagrams and related data reflecting operating state of oil well pump, and its display device is directly or indirectly provided with a color display screen. During application, the device continuously measures dynamometer diagrams and then stores corresponding data. When analyzing, the device transmits a plurality of curves and figures that is needed to be compared and has been stored in the device, in the form of single curve and figure, multiplex static curves and figures and dynamic curves and figures, to the color display screen for displaying. The invention provides a powerful novel mean for diagnosis of oil well pump, thereby remarkably improving the accuracy and effectiveness of the diagnosis, and is important for failure prediction of oil well pump.

The invention relates to a method for drawing columns and enlarging distances after replacing beams at high altitude in an industrial factory building. The method comprises the following steps: 1) under the condition of maintaining small capital steel columns of to-be-removed reinforced concrete columns of the industrial factory building, locally removing the upper roof from a roof truss joist of the industrial factory building and then removing an original roof truss upright joist in sections; 2) preparing a new reinforcing joist in two sections according to the length of the original roof truss upright joist; 3) hoisting the new reinforcing joist in sections, welding the new reinforcing joist with the small capital steel columns of the columns on two sides of the industrial factory building after placing the new reinforcing joist in position, and then separating the to-be-removed small capital steel columns of the industrial factory building from the original columns, arranging end plates at bottoms of the small capital steel columns of the columns on the two sides of the industrial factory building, and arranging reinforcing rib plates at the joint parts of the small capital steel columns and the upright joist; and 4) after removing a crane beam from the original reinforced concrete columns, removing the original reinforced concrete columns, recovering the roof and mounting a new crane beam.

The invention discloses a vertical mechanical vibrating hydraulic extruder, which comprises four pillars, wherein the two ends of the four pillars are respectively connected with an upper cross beam and a base, a first hydraulic cylinder is fixed on the upper cross beam, the end part of a piston rod of the first hydraulic cylinder is matched with a first sliding rail by a first slide block, a second hydraulic cylinder is fixed at the lower part of the first slide block, a mold is connected to the lower part of the second hydraulic cylinder, a vibrating mechanism is fixed in a base and connected with the bottom of a workbench, a clamping mechanism is arranged at the upper part of the workbench, a second slide block connected with the workbench is matched with a second sliding rail, the second sliding rail is connected to the base, the clamping mechanism clamps workpieces, and the vibrating mechanism drives the workbench to vibrate. According to the invention, axial feeding is separated from a vibrating process, therefore, the extruder is easy to control; the structure of the hydraulic cylinder is simplified, and the seal requirements of the hydraulic cylinder are reduced; and the extruder is compact in overall structure, and more stable and reliable in the extrusion process.

The invention discloses a gyrotheodolite integrating north-finding and south-finding function and a method of realizing the same. The gyrotheodolite comprises a gyro power and a gyro motor; the gyro power supplies three phase alternating voltage or a one path direct voltage to the gyro motor; the gyrotheodolite is characterized that: the gyrotheodolite further comprises a controlling unit for controlling the phase sequence change of the three phase alternating voltage or controlling the polarity change of the one path direct voltage. The method comprises changing the phase sequence or polarity of the supplying power of the gyro motor in the gyrotheodolite to realize the positive rotation and reversing switch of the gyro motor, thereby realizing the switch of the north-finding and south-finding function of the gyrotheodolite. When the gyrotheodolite produced or remodeled by the invention is located, the gyrotheodolite is not affected by measuring controlling point set and the surrounding environment, that is to say it is measured at each environment, which solves the long-standing problem of affecting the measuring work in orientation of the gyrotheodolite.

The invention discloses a nozzle on-line replacement method and a replacement device thereof. The invention is characterized that an excessive pressure tank (3) is arranged on the flange of a furnace mouth (23); the excessive pressure tank is provided with an in-service nozzle (5) and a waiting-for-service nozzle (18); and the in-service nozzle (5) and the waiting-for-service nozzle (18) are arranged in the excessive pressure tank (3) and no pressure difference exists between the furnace and the tank. Through the effect of the driving mechanism in the replacement device and the off-on switch of a quickly assembling and disassembling sealed connection module (1), the on-line replacement of the in-service nozzle (5) and the waiting-for-service nozzle (18) can be completed. The invention has the advantages that the invention can carry on the nozzle on-line replacement without stopping the use of the furnace, and without replacement, drawing and warm-up heating; can prevent furnace blocks from suffering the damages caused by rapid cooling and heating, thereby extending the service life of the furnace blocks; can conduct the replacement before the worsening of the nozzle gasification index, thereby ensuring that the nozzle performance index always run under good conditions; and can ensure the gasification furnace achieves long-term smooth running, thereby reducing the cost caused by replacement of nozzles and furnace blocks and avoiding the loss of off production.

The invention discloses a rotary kiln building structure, relates to the technical field of rotary kiln manufacturing and maintaining, and provides a rotary kiln building structure not prone to being damaged. The rotary kiln building structure comprises a rotary kiln barrel body, a building structure and blocking brick rings. The building structure comprises fire-resisting insulating bricks, bottoming bricks and fixed steel bars. The fire-resisting insulating brick are built in the length direction of the rotary kiln barrel body to form multiple fire-resisting insulating brick lines in a circumferential array, and connecting steel bars welded to the rotary kiln barrel body are arranged at the bottoms of the fire-resisting insulating bricks. The bottoming bricks are arranged between the adjacent fire-resisting insulating brick lines. Each fixed steel bar is in a V shape. The fixed steel bars are located in space between the adjacent bottoming bricks, and the pointed ends of the fixed steel bars and the rotary kiln barrel body are welded, and the bottoming bricks are pressed down. The remaining space between the adjacent fire-resisting insulating brick lines is filled with refractory castables. The blocking brick rings are arranged in the length direction of the rotary kiln barrel body at intervals and are connected with the rotary kiln barrel body, and the building structure is divided by the blocking brick rings into multiple sections. The rotary kiln building structure can be applied to manufacturing or maintaining of a rotary kiln.

The invention discloses a D-shaped bolt U-shaped pipe high-pressure heat exchanger. The D-shaped bolt U-shaped pipe high-pressure heat exchanger is mainly used for solving the problem existing in an existing bolt flange type heat exchanger, an existing omega sealing ring heat exchanger, an existing screw locking ring heat exchanger and an existing diaphragm seal heat exchanger. A flat deck roof (3) is arranged at the end portion of a pipe chamber cylinder (13), and the pipe chamber cylinder (13) is connected with the flat deck roof (3) through a round of eccentrically and uniformly distributed D-shaped bolts (7) to bear axial force. The D-shaped bolts (7) can be fixed into about 3/4 threaded holes of the flat deck roof or the end portion of the pipe chamber cylinder, and an outer sealing gasket (12) can select a winding gasket or a wave tooth composite gasket or a stainless steel C-shaped sealing ring. Inner ring compression bolts (6) and outer ring compression bolts (8) are arranged on the flat deck roof, internal bolts (29) are arranged in grooves of the pipe chamber cylinder, both the inner ring compression bolts and the internal bolts can provide sealing force for an inner sealing gasket (19), and the outer ring compression bolts provide sealing force for the outer sealing gasket. The D-shaped bolt U-shaped pipe high-pressure heat exchanger is mainly used for the heat exchange process of petroleum refining hydro-treatment technology.

The invention discloses mine transportation equipment provided with a safety slow speed device and a safe operation method thereof. The mine transportation equipment comprises a cage, a slow speed guide rail, a permanent magnet retarder and a trigger device, wherein the slow speed guide rail comprises a guide rail body and a metal cover plate, and the metal cover plate is fixedly connected with the side surface of the guide rail body; the permanent magnet retarder is fixedly connected with the cage; a permanent magnetic braking unit of the permanent magnet retarder is arranged on the side surface of the slow speed guide rail, and in a non-triggering state, the interval distance between the permanent magnetic braking unit and the slow speed guide rail is a non-braking distance; and the trigger device is connected with a lifting steel wire rope, and when the lifting steel wire rope breaks, the trigger device drives the permanent magnetic braking unit of the permanent magnet retarder to be close to the slow speed guide rail so that the interval distance between the permanent magnet braking unit and the slow speed guide rail can meet a braking gap. The transport equipment has the advantages of being simple in principle, reliable in action, and high in reliability and capable of ensuring the safety of personnel in the cage under the condition of cage failing; and moreover, based onthe working characteristics of the equipment, a cage body is prevented from being damaged after falling of the cage, so that the production loss of an enterprise is reduced.

The invention relates to the field of the metallurgical industry, and discloses a heating method for a chute. According to the heating method, fuel and mixed gas containing high-concentration oxygen or oxygen-rich air serving as accelerants are fed into the chute through a combustion spraying-in assembly to be combusted in a mixed mode, and the heat generated during mixed combustion is used for achieving heating and heat preservation of the chute. According to the method, the combustion spraying-in assembly used for feeding the fuel and the accelerants into the chute comprises a group of coaxial metal sleeve pipe spraying guns and/or metal single-pipe spraying guns arranged on a chute covering plate at intervals. The heating method for the chute can greatly reduce fuel consumption, improve the heating speed and uniformity of the chute, and greatly reduce combustion smoke amount and emission of pollutants.

The invention relates to the technical field of ore dressing devices, and particularly discloses a polyurethane arc-shaped screen which is characterized in that a supporting frame is of a latticed structure composed of transverse supporting strips and longitudinal supporting strips, and transverse frameworks and longitudinal frameworks are embedded in the transverse supporting strips and the longitudinal supporting strips respectively; a screen piece comprises a frame, a plurality of transverse screen bars and a plurality of longitudinal screen bars, the transverse screen bars and the longitudinal screen bars are connected to the inner edge of the frame, the bottom ends of the transverse screen bars are fixedly clamped in the connecting grooves, and the two ends of each transverse screen bar are perpendicularly and fixedly connected to the two side walls of an inner cavity of the frame respectively. The cross section of the upper portion of each screen strip is in an obtuse triangle shape, the lower surface of the upper portion of each screen strip is flush with the upper surface of the frame, the screen pieces are integrally formed through thermoplastic polyurethane elastic materials, the supporting frame body and the screen pieces form an integral structure through secondary pouring, and the supporting frame body is made of polyurethane materials. The problems that a screen for an arc-shaped screen is short in service life and low in screening efficiency are solved.

The invention relates to the technical field of environmental protection equipment, and discloses an anti-backflow perforated aerator, which comprises an air inlet pipe, a clamping device, an oxygen supply aeration diaphragm, an anti-backflow rubber diaphragm, a locking ring and a pressing cover, wherein the oxygen supply aeration diaphragm is in a circular ring shape, oxygen supply aeration holes are formed in the ring surface of the oxygen supply aeration diaphragm at equal intervals, a boss is arranged at the bottom of the air inlet pipe, the inner ring of the oxygen supply aeration diaphragm is clamped between the clamping device and the boss, the anti-backflow rubber diaphragm is arranged below the oxygen supply aeration diaphragm and is provided with a groove matched with the boss, and the outer ring of the oxygen supply aeration diaphragm and the outer ring of the anti-backflow rubber diaphragm abut against each other and are fixedly clamped between the locking ring and the pressing cover. According to the invention, the oxygen supply function and the stirring function can work independently and can also work cooperatively, and the oxygen supply power efficiency and stability are greatly improved.