21results about How to "Avoid discontinuation" patented technology

The invention belongs to the technical field of ocean engineering, and discloses a seabed vibration elbow solid-liquid two-phase flow erosion corrosion coupling analysis method and system. The method comprises the following steps: establishing a three-dimensional fine model of a local bent pipe section; constructing a flow accelerated corrosion model by using a mass transfer equation and a solubility equation to calculate a flow accelerated corrosion rate; an E / CRC particle erosive wear model is introduced to calculate the erosive wear rate of particles to the wall surface of the pipeline; an erosion-corrosion coupling model is constructed based on the electrochemical corrosion secondary current model to simulate the erosion corrosion process of solid-liquid two-phase flow in the vibration pipeline, and an erosion corrosion coupling response rule in the vibration elbow is obtained. Compared with an original analysis method which only considers erosion wear, the erosion corrosion rate calculation precision is improved by 36%, the simulation result and experiment comparison error is reduced to be within 20%, and technical support is provided for accurate analysis of pipeline damage under the erosion corrosion coupling effect.

The invention discloses a rolling type sorting system capable of removing large foreign matters on a belt and a sorting method.The sorting system comprises a conveying belt and a control device, an image recognition device and a shifting device are sequentially arranged in the conveying direction of the conveying belt, and a rolling material removing device is arranged on the shifting device; the image recognition device, the shifting device and the rolling material removing device are all in signal connection with the control device. The image recognition device, the shifting device and the rolling material removing device are controlled by the control device, manual participation is not needed in the whole large foreign matter sorting process, the personnel safety is guaranteed, the labor cost is reduced, and the production efficiency is improved. In addition, due to the fact that the foreign matter moves outwards in a rolling mode, sliding friction on the conveying belt is avoided, the conveying belt cannot be scratched, almost no coal briquettes are swept down by the conveying belt, loss of the coal briquettes and the conveying belt is avoided, and production halt caused by tearing of the conveying belt in the process is also avoided.

The invention provides a carburized ethylene cracking furnace tube residual life prediction method based on small punched hole outer surface sampling. The method comprises the following steps: sampling the outer surface of an in-service ethylene cracking furnace tube by using a small punched hole sampling machine; performing a small-punching high-temperature creep test on the sample; carrying out equivalent stress conversion based on a creep test result; establishing an outer surface residual life prediction equation; calculating furnace tube stress and substituting the furnace tube stress into the prediction equation to obtain outer surface residual life; performing carburization-creep finite element simulation on the furnace tube of the ethylene cracking furnace; obtaining a furnace tube damage distribution condition of a finite element test result; and the overall residual life prediction is completed through the outer surface residual life and the damage distribution relationship. According to the method, furnace tube interruption or production halt is avoided, time and cost are saved, residual life prediction is carried out based on actual sampling and finite element data analysis, and the method has high reliability and accuracy and is used for early warning and maintenance decision making in advance, prolonging the service life of equipment and avoiding resource waste and accidents.

The utility model relates to an oil production wellhead hanger, and belongs to the technical field of wellhead devices. The oil production wellhead hanger comprises a flange plate used for being connected with a flange on a casing four-way body and a hanging short section connected to a center channel of the flange plate in a threaded mode. The lower end of the hanging short section is provided with a pipe column connecting end used for being connected with a pipe column, and an overflowing channel penetrating through the upper end and the lower end of the hanging short section is arranged in the hanging short section. According to the oil production wellhead hanger, the situation that an O-shaped rubber ring of a conventional hollow conical built-in hanger is punctured and damaged by mechanical force or is aged and damaged due to long-time soaking in high-temperature, high-pressure, high-acid and / or high-salt fluid, and production halt is caused can be avoided.

The utility model provides a motor observation window, and relates to the technical field of observation windows, the motor observation window comprises a base, a motor, a rotating shaft, a pointer, a box body, a door body and a dismounting assembly, the motor drives the rotating shaft to rotate, the pointer is fixedly connected with the rotating shaft, the box body covers the motor, the front end of the box body is provided with an opening, and the door body is arranged in the box body. One end of the door body is rotationally connected with the front end of the box body, the other end of the door body is connected with the front end of the box body through the dismounting assembly, and an observation window is embedded in the door body; through the arrangement of the pointer and the observation window, the movement of the motor can be clearly indicated, observation by workers is facilitated, the motor runs reliably, repeated movement is not needed, the production efficiency is improved, production halt caused by the fact that the movement of the motor is not in place is avoided, and normal production is guaranteed; and by arranging the dismounting assembly, a worker can quickly and conveniently open and close the door body, so that the motor or the pointer is overhauled and maintained, and the use convenience is improved.

The present invention provides a parallel two-stage sterilizing filter element online integrity detection process, which belongs to the field of liquid preparation filter element detection technology. It solves the problems of low efficiency of online integrity detection of existing sterilizing filter elements, which leads to shutdown, and difficulty in replacing filter elements. The parallel two-stage sterilizing filter element online integrity detection process includes the following steps: step one, pure steam sterilization; step two, closed detection air circuit; step three, filter element cooling; step four, wetting treatment; step five, system isolation; step six, integrity detection; step seven, integrity detection again: step eight, filter element replacement; step nine, re-integrity detection; step ten, online integrity detection after use. The pipeline layout of the present invention is reasonable, and the integrity detection of the sterilizing filter can be efficiently performed; the parallel two-stage redundant sterilizing filter design avoids shutdown, and the filter element replacement equipment cooperates with the sterilizing filter to facilitate the rapid replacement of the filter element.

The present invention belongs to the technical field of monitoring equipment for oil refining devices, and specifically relates to a monitoring device for solving the technical problem that maintenance personnel cannot timely discover abnormal conditions of a catalytic device, which easily leads to failure of the catalytic device and shutdown. The monitoring device includes a detection device, a controller, a server and a prompt device connected in sequence; the detection device is used to measure the outer wall temperature of the catalytic device; the controller receives the outer wall temperature, and calculates the corrosion thickness of the catalytic device according to the outer wall temperature, and uploads the outer wall temperature and the corresponding corrosion thickness to the server, and the server sends the outer wall temperature and the corresponding corrosion thickness to the prompt device; the prompt device is used to send a prompt message when the corrosion thickness reaches a preset thickness. The above-mentioned monitoring device can monitor the catalytic device in real time, so that maintenance personnel can timely understand the abnormal conditions of the catalytic device, and deal with the abnormal conditions as soon as possible to avoid shutdown caused by failure of the catalytic device.

The utility model relates to the technical field of oil well mouth tools, and discloses a well-flushing shut-down well anti-theft device which comprises an anti-theft protection cover, the inner wall of the anti-theft protection cover is fixedly connected with an anti-theft device body, a side-mounted ball valve is arranged on the side face of the center of the anti-theft device body, and a driving assembly is arranged on the outer wall of the anti-theft device body. A vertically-installed ball valve is arranged in the anti-theft device body, a pressure gauge and a valve are arranged on one side of the outer wall of the anti-theft device body, an anti-theft lock pin is arranged on the outer wall of the anti-theft device body, and an oil pipe pup joint is arranged on one side of the anti-theft device body. According to the anti-theft device, the anti-theft body and the oil well bottom flange are connected and fastened through the wellhead bolt, then the connector of the vertically-installed ball valve is connected with the external water pipe, the problems that an existing anti-theft device can only seal a well and does not have the well washing function, and many troubles are brought to oil well recovery operation are solved, and the purposes of increasing the well washing speed and improving the oil well recovery efficiency are achieved. And the re-well and overall operation efficiency is improved.

This invention relates to a circulating heating wastewater-free tail gas treatment device. A reaction cylinder, a second cooling device, and an adsorption cylinder are sequentially connected. The reaction cylinder includes an inner cylinder, a tail gas inlet pipe, and a heating rod. A solid catalyst is placed inside the inner cylinder, and the heating rod is located inside the inner cylinder. The tail gas inlet pipe is connected to the inside of the inner cylinder. The second cooling device includes a housing, a liquid conveying device connected to both the inside of the inner cylinder and the housing, and an atomizing device outlet connected to the inside of the inner cylinder. This invention uses the liquid conveying device to transport waste liquid from the housing to the inner cylinder. The waste liquid evaporates at high temperature, releasing small bubbles and preventing production stoppages due to excessive waste liquid in the housing. Some of the gas generated in the waste liquid reacts in the high-temperature environment inside the inner cylinder to form harmless products, reducing the amount of harmful gases adsorbed by the adsorption cylinder and increasing the service life of the packing material inside the adsorption cylinder.

The application discloses an activated carbon life prediction and replacement early warning system and method for industrial waste gas treatment, and the system comprises a sensor monitoring module, a data acquisition module, a central processing unit, a data storage module, an early warning display module and a communication module. The method comprises the following steps: collecting VOCs concentration, flow, pressure difference, temperature and humidity and other parameters of the inlet and outlet of the activated carbon adsorption device in real time; calculating cumulative adsorption capacity, adsorption efficiency, temperature and humidity correction coefficient and other characteristic parameters; predicting the remaining life of the activated carbon by using an empirical formula model, a machine learning model and a time series model in parallel, obtaining the final prediction result by dynamic weight weighted fusion based on historical accuracy, establishing a four-level early warning mechanism, and prompting replacement in advance for 15-30 days; and extracting actual operation data after each replacement, and self-learning and optimizing model parameters. The application can realize accurate prediction and early warning of the activated carbon life, the prediction error is controlled within + / - 10%, the service life of the activated carbon is prolonged by 10-20%, and the operation cost and environmental protection risk are reduced.

This utility model discloses a high-precision anti-sticking die punch, relating to the field of punch press technology. It includes a punch press body, an externally fixed mounting base, an internally fixed cylinder, an output block fixedly connected to the cylinder, a die holder fixedly connected to the upper side of the punch press body, a die groove on the upper side of the die holder, a cavity inside the die groove, a slidingly connected top block to the outside of the cavity, a limit plate fixedly connected to the bottom of the top block, a fixed rod fixedly connected to the inside of the cavity, a rebound mechanism mounted on one side of the mounting block, a linkage mechanism mounted between the mounting block and the limit plate, and an auxiliary demolding mechanism mounted inside the cavity. This punch press achieves automatic ejection of the formed part through the energy storage and release of an elastic element, ensuring rapid demolding. An additional manual operation component allows for manual intervention to provide auxiliary ejection force when automatic ejection is obstructed, effectively preventing die sticking and improving operational certainty and convenience.

This invention discloses a process for stabilizing the cooling water supply temperature of a blast furnace, relating to the field of blast furnace ironmaking equipment cooling technology. The process includes the following steps: acquiring first and second real-time operating parameters and real-time status parameters of a shared spray water system; determining the smelting load difference between the first and second blast furnaces based on the first, second, and real-time operating parameters and the real-time status parameters; generating a linkage control command when the smelting load difference meets a preset linkage trigger condition; and allocating the number of air coolers in the first and second blast furnaces to operation by adjusting the linkage control valves between the air cooler branch pipes of the first and second blast furnaces according to the linkage control command. This invention relies on the existing shared spray water system, eliminating the need for adding a large number of new spray water devices, and achieving on-demand allocation of cooling capacity only through linkage and minor equipment modifications.

The utility model relates to a kind of upper-lead continuous casting furnace lifting device for oxygen-free copper production in oxygen-free copper casting technical field, comprising: two of continuous casting rod are spaced apart;Drive chain is located between two continuous casting rods;The side portion of the drive chain close to continuous casting rod has vertical state section, and the upper end of continuous casting rod is connected with the position close to vertical state section;Drive sprocket is engaged in the drive chain;Drive motor, it has two, and the output end of two drive motors is connected with the drive sprocket axle drive;Wherein, when one drive motor fails, another drive motor replaces job;The utility model uses two drive motors symmetrical layout, when one drive motor fails, another drive motor can replace job, solve the problem of shutdown caused by single point failure, guarantee oxygen-free copper continuous casting production line continuous operation.

The floor epoxy curing agent production line comprises a first feeding assembly, a plurality of reaction kettles and a second feeding assembly, the first feeding assembly comprises a plurality of first feeding ends, and each reaction kettle is provided with a first feeding port and a second feeding port which are communicated with the interior of the reaction kettle; the first feeding assembly comprises a plurality of first feeding ends and a plurality of second feeding ends, the first feeding inlets communicate with the first feeding ends correspondingly, and the second feeding assembly comprises a plurality of second feeding ends which communicate with the second feeding inlets correspondingly; the first feeding assembly is used for feeding raw materials for producing the floor epoxy curing agent into the multiple reaction kettles, in order to increase the feeding speed and shorten the feeding time so as to improve the production efficiency, the raw materials can be synchronously fed into the multiple reaction kettles through the second feeding assembly, and meanwhile when one of the first feeding assembly and the second feeding assembly breaks down, the first feeding assembly and the second feeding assembly break down. The feeding speed of the other feeding device can be increased, production halt caused by faults of feeding equipment is avoided, and efficient operation of production is effectively guaranteed.

The utility model relates to an iron ore shaft fullness alarm device which comprises a bin body, a high-sensitivity infrared sensor and a control system, the high-sensitivity infrared sensor is arranged on one side of the inner wall of the bin body, the control system comprises a relay, a time-delay relay and an alarm, the relay is electrically connected with the high-sensitivity infrared sensor, the time-delay relay is electrically connected with the relay, and the alarm is electrically connected with the high-sensitivity infrared sensor. The time-delay relay is electrically connected with the alarm, and the alarm can receive a signal of the time-delay relay to give an alarm; long-distance sensing can be achieved through the non-contact high-sensitivity infrared sensor without fear of ore impact damage, frequent alarming in front of the sensor when ore is lifted each time can be avoided through the time delay relay, the time delay switch action duration set by the time delay relay is larger than the time duration of the ore unloading process, and the alarm works only when the set time is reached.

The utility model relates to a kind of plate straightening machine anti roller system oil leakage device, belong to the maintenance technical field of metallurgical industry plate straightening machine.The technical scheme is: containing oil receiving box (1), oil guide frame (4), drainage pipe (5) and collector (6), oil receiving box (1) is set between straightening machine work roll (01) and support roll (02), oil receiving box (1) is equipped with overflow hole (1006), oil guide frame (4) is below the overflow hole (1006) of oil receiving box (1), oil guide frame (4) is equipped with the oil discharge hole (402) matched with overflow hole (1006), drainage pipe (5) one end is connected with the oil discharge hole (402) of oil guide frame (4), drainage pipe (5) other end is connected with collector (6);The oil receiving box (1) is fixed on straightening machine support roll bearing seat (03).The utility model has the beneficial effects that:the oil leakage collection of straightening machine roll system can be realized, and the contact of oil leakage, work roll and steel plate is avoided.

A sealing plate is arranged in a pressure tank, a low-pressure cavity is communicated with a production device through a process system connector, a separation partition plate is arranged in a liquid separation tank, a liquid separation tank pressure gauge and a torch mechanism are arranged on the liquid separation tank, an oil phase channel is arranged on the top face of the separation partition plate, and liquid level meters are arranged in a water phase cavity and an oil phase cavity. The high-pressure cavity is communicated with the water-phase cavity, the low-pressure cavity is communicated with the oil-phase cavity, the high-pressure cavity and the water-phase cavity are communicated with the cooler, the high-pressure cavity, the water-phase cavity and the oil-phase cavity are all provided with pollution discharge mechanisms, and the motor is electrically connected with the pressure tank. According to the utility model, the vacuumizing effect of the coal tar industrial production device can be effectively controlled, and impurities in raw oil can be removed; catalyst inactivation or bed pressure difference rise caused by catalyst pore channel blockage can be avoided, and operation of a coal tar hydrogenation device is guaranteed; the device is high in automation degree, high in safety coefficient, good in reliability, good in stability, low in manufacturing cost, convenient to operate by personnel and low in labor intensity.

The invention relates to the technical field of workshop production, and discloses a workshop production process radio frequency identification tracking management system, which monitors products through an RFID tag, an antenna and an RFID reader-writer, and then sends data to an RFID rear-end system, the RFID rear-end system is connected with a production data monitoring module through a network, and the production data monitoring module is connected with the production data monitoring module through a network. A plurality of groups of data in production are collected and numbered to form a plurality of data sets, a production data analysis module calculates production equipment abnormity evaluation SYpg, production evaluation SCpg and actual production number SJsc according to the plurality of data sets, compares the values with corresponding threshold values, judges whether an abnormal condition exists or not, and sends the abnormal condition to a data processing module. When a problem occurs, a signal is sent to the abnormity alarm module, so that the position and the state of a product can be tracked in real time, the smooth proceeding of the production process is ensured, meanwhile, the equipment abnormity is evaluated, the problem is quickly found, the current production progress condition is clearly known, and an alarm is given when the abnormity is found.

This invention discloses a coiler control method and related equipment, relating to the field of metallurgical technology. The method includes: when the rolling task changes, and the changed rolling task requires calling different coilers or the changed rolling task produces hot-rolled strip of different sizes; acquiring a first distance between the finishing mill end stand and the pinch rolls of the second coiler, a second distance between the finishing mill end stand and the head of the second strip, the output speed of the finishing mill end stand, a third distance between the finishing mill end stand and the pinch rolls of the first coiler, a fourth distance between the finishing mill end stand and the tail of the first strip, and the coiling speed of the first coiler; calculating a first time for the head of the second strip to reach the second coiler and a second time for the tail of the first strip to enter the first coiler; determining whether the difference between the first time and the second time meets a preset condition; if the preset condition is not met, then controlling the first coiler based on the target coiling data calculated by the preset condition.

The invention relates to the technical field of residual film recycling machines, and discloses a residual film recycling machine rolling bearing health monitoring device based on fault diagnosis. Comprising a workbench, the upper surface of the workbench is fixedly connected with a fixed supporting plate, the rear surface of the fixed supporting plate is fixedly connected with a motor, and the output end of the motor is fixedly connected with a connecting rod. The first vibration measuring plate can push the vibration measuring rod to slide in the fixed supporting plate through sliding of the vibration measuring rod, the fixed plate can be pushed to jack upwards to pull the first spring, the rolling bearing can push the second vibration measuring plate to push forwards, and the second vibration measuring plate can drive the movable plate to stretch out and draw back to pull the second spring. The vibration frequency of the fixing plate and the second vibration measuring plate can be detected through the vibration sensor, the working state of the rolling bearing of the plastic film residue recycling machine is accurately monitored, then possible faults are prevented, the situation that the machine stops production due to the faults is avoided, the production efficiency is improved, and losses are reduced.

The utility model provides a kind of compound fertilizer feeding device, including support chassis, the inside upper end of support chassis is provided with feeding pipe, and it is fixed between support chassis and feeding pipe by welding, the inside rotation of feeding pipe is provided with spiral feeding piece column, the outer arc surface left side lower end of feeding pipe is provided with three-way discharge shell, and the inside of three-way discharge shell is communicated with feeding pipe, and the outside of three-way discharge shell is slidably provided with extension shell in front and back two sides, and the left end of feeding pipe is provided with adjusting mechanism for adjusting the movement of extension shell. Through the compound fertilizer feeding device of the utility model, the discharge shell is three-way discharge shell, which can realize the discharge of composite waste in two directions, thereby simultaneously or alternately supplying two downstream equipment, and the discharge length can be extended, which can flexibly adapt to two different spacing receiving equipment, ensure the precise docking of discharge port, and avoid the situation of fertilizer spilling.