79results about How to "Does not affect normal operation" patented technology

The invention provides a power business anti-quantum cryptography migration progressive control method based on risk awareness, and belongs to the technical field of migration control, and the method comprises the steps: collecting key parameters of all to-be-migrated businesses in a power system, carrying out the standardization preprocessing of the collected key parameters, and constructing a business feature matrix; acquiring relevant parameters of quantum attacks in real time, and calculating a real-time quantum attack risk value of each service to be migrated; based on the service feature matrix and the real-time quantum attack risk value, constructing a dynamic migration rhythm adaptation model, and calculating a migration priority, a migration rate and a migration interval of each service to be migrated; and constructing a migration fault-tolerant and recovery model, monitoring the migration process in real time, calculating a fault influence range and recovery cost based on fault information, and executing corresponding adjustment operation. Accurate, dynamic and high-reliability control of anti-quantum password migration of the power business is realized, safe and stable operation of the power business in the migration process is guaranteed, and the migration efficiency and the anti-quantum attack capability are improved.

The utility model discloses a kind of lifting hoisting devices for wind power generation equipment installation, it is related to hoisting technical field, and the utility model includes bottom plate, the top surface side of bottom plate is equipped with limiting assembly, the top surface of bottom plate is fixedly connected with lifting assembly, the lifting assembly includes base, the top of base is fixedly connected with two first fixed plate, the opposite side of two first fixed plate One end is rotatably connected with first rotating shaft, the top of base two sides is fixedly connected with support frame, the upper portion of one end of support frame is fixedly connected with two second fixed plate, the opposite side of two second fixed plate One end is rotatably connected with second rotating shaft with the two sides inner wall of support frame, the two sides inner wall of support frame is slidably connected with limiting plate, the utility model can play the specified height of wind power generation equipment hoisting, and wind power generation equipment can be prevented from falling when avoiding power failure and power failure.

This utility model relates to the field of power electronics technology, specifically to a DC common bus current limiting and blocking device. It includes an energy storage converter and a DC bus terminal, with a blocking module disposed between the energy storage converter and the DC bus terminal. The blocking module includes multiple blocking units, and the energy storage converter is connected to the blocking units. The blocking units are connected in parallel to each other and connected to the DC bus terminal. This DC common bus current limiting and blocking device can achieve rapid current limiting and isolation when multiple energy storage converters are connected in parallel to the DC bus. It has high response speed and dynamic detection capability, and can effectively avoid the adverse effects of abnormal current caused by faulty equipment on other equipment.

According to the top heat dissipation type liquid cooling container and the application control method thereof, the cooling tower container top arrangement design is adopted, a CDU module is omitted, the overall cost is reduced, more Tanks can be deployed in the spare space after the CDU module is omitted, and the computing power of a single liquid cooling container is greatly improved. The cooling tower is compact in structural form, low in space occupancy rate, higher in integration degree and good in universality and reliability, and the ground space of the cooling tower is saved. After a certain cooling tower fails, normal operation of other devices is not affected, and the disaster recovery capacity is improved. The cooling tower and the Tank carry out heat exchange one by one, the heat dissipation efficiency is higher, the number of water cooling pipelines is smaller, and the integration degree is higher.

A flue gas desulfurization device of desulfurization absorption tower external crystallization, comprising the following units, a flue gas desulfurization unit: comprising a main flue gas duct subunit, a desulfurization absorption subunit; a flue gas evaporation crystallization unit: comprising a secondary flue gas duct subunit, an evaporation crystallization subunit and a solid-liquid separation subunit connected in sequence; the desulfurization absorption subunit comprises a desulfurization absorption tower, a circulating pump, a circulating tank, a desulfurizer supply device, a process water supply device and an oxidizing air supply device; the main flue gas duct subunit comprises a pipeline connected to the desulfurization absorption tower as an inlet and outlet flue; a boiler induced draft fan and a damper are connected in series on the pipeline; one pipeline of the main flue gas is connected to the desulfurization absorption tower, and another pipeline is connected in parallel to a crystallization booster fan and a flue which is connected to the evaporation crystallization subunit; the evaporation crystallization subunit is additionally provided with two pipelines connected to the desulfurization absorption tower, one of which is used to introduce a desulfurization byproduct solution from the desulfurization absorption tower, and the other of which is used to return low-temperature flue gas to the desulfurization absorption tower.

This invention discloses a catalytic reactive distillation unit, apparatus, and method. The catalytic reactive distillation unit includes: a reaction mass transfer channel, the upper end of which receives low-temperature liquid-phase reactants flowing downwards, and the lower end of which receives high-temperature gas phase flowing upwards; the reaction mass transfer channel contains a catalyst layer and a packing layer, with the catalyst layer positioned above the packing layer, and a first space between them; and a rising gas bypass, located outside the reaction mass transfer channel and connected to the first space. The liquid-phase products after the catalytic reaction merge with the high-temperature gas phase in the packing layer and undergo gas-liquid mass transfer. The rising gas phase after mass transfer carries the light components from the liquid-phase products into the rising gas bypass, completing mass transfer separation. This invention, through the setting of the rising gas bypass, not only increases the gas phase flow rate and effectively reduces the pressure drop within the reaction mass transfer channel, but also effectively solves the space occupation problem of the equipment. This invention can clean the blockage of the catalyst filter without additional power and can realize online replacement of the catalyst and / or packing.

The utility model discloses a filament stretching device for manufacturing synthetic fibers, which comprises a drawing machine, and the drawing machine comprises an equipment box, a drawing roller and a yarn separating column. The replacement assembly comprises a mounting plate, two U-shaped guide grooves, a supporting plate, a mounting hole, a threaded hole and a locking rod, the mounting plate is fixed to the upper end of the side edge of the equipment box, one side edge of the U-shaped guide grooves is fixed to one end of the mounting plate, the supporting plate is fixed between the two U-shaped guide grooves, the mounting hole is formed in the middle of the supporting plate, and the threaded hole is formed in the middle of the supporting plate. The threaded holes are formed in the two ends of the supporting plate and communicate with the mounting holes, and the locking rods are connected into the threaded holes in a threaded mode. The problems that due to the fact that the distance between the yarn separating columns is small, fibers are affected by high temperature, moisture or oil stains exist on the surfaces of the fibers, the middles of the yarn separating columns are blocked, then the fibers are adhered, the stretching quality of the fibers is affected, and the production schedule is affected when the yarn separating columns are cleaned or replaced after a machine is shut down are solved.

The utility model discloses a device for flatness measurement machine table measuring head protection, including the protection cover and gas delivery system of lower end opening, the protection cover is used to cover flatness measurement machine table measuring head downwards, gas delivery system includes gas delivery pipeline, the nozzle of being located gas delivery pipeline terminal and the filter component of being located nozzle upstream, the nozzle is used to the clean gas injection of inside protection cover. This application is through setting up the protection cover of covering measuring head and gas delivery system, through the continuous injection of clean gas in the protection cover of gas delivery system, provides clean, stable environment for machine table measuring head, makes measuring head exempt from environmental dust, chemical gas interference, and this mode does not influence the normal operation of measuring head, makes machine table always be in normal working state, improves flatness measurement machine table measurement data accuracy, accuracy and stability, has important technical value to improve wafer product quality in wafer foundry.

This invention relates to the field of transformer substation fault location technology, specifically disclosing a method and system for locating cable grounding faults on the low-voltage side of a new energy transformer substation. The method includes: plotting three-phase voltage variation curves based on historical three-phase voltage data from the low-voltage side of the transformer substation; clustering detection cycles based on the three-phase voltage variation curves, and determining a voltage tolerance threshold for the detection cycle based on the clustering results; determining voltage fault indicators on the low-voltage side of the transformer substation based on the voltage tolerance threshold, and correcting the initial values ​​based on the voltage fault indicators; extracting abnormal data points from the detection cycle based on the corrected values ​​using the LOF algorithm, and locating the current cable grounding fault location on the low-voltage side of the transformer substation based on the abnormal data points from the fault cycle. This method can promptly detect and accurately locate cable grounding faults on the low-voltage side of the transformer substation, improving the operational reliability of new energy power plants and ensuring power generation efficiency.

This invention relates to the field of power equipment testing technology, specifically to a detector and method for detecting the operational status of disconnecting switches in GIS equipment. The method first generates an action signal based on a first current; then generates a second current and a trigger signal based on the action signal; next, it calculates the current change rate based on the first and second currents; and based on the trigger signal, it determines whether the current change rate is less than a first threshold. If the current change rate is less than the first threshold, an alarm signal is generated. Finally, it determines whether the closing and opening of the circuit breaker are qualified based on the alarm signal. By detecting the induced current generated on the conductor of the grounding switch in the energized part of the GIS equipment, the opening and closing status of the internal disconnecting switch of the GIS equipment is judged. Regardless of whether the mechanical structure of the equipment is normal, it can accurately determine whether the disconnecting switch is properly closed or open, effectively avoiding faults such as discharge, short circuit, and explosion caused by improper closing or opening of the equipment.

A purification mechanism for a vacuum system in an extruder includes a housing, a water supply tank, a water storage tank, and a connecting pipe. The housing contains a water seal layer. The top of the housing has an inlet pipe for connecting to the extruder's exhaust gas source and an exhaust pipe for connecting to the vacuum system. The downstream end of the inlet pipe extends downwards into the water seal layer. An overflow port, adapted to the height of the water seal layer, is located on the side wall of the housing. A filter frame is installed on the top of the water storage tank, below the overflow port. The water supply tank is located above the housing and connected to it via a float valve, the float of which floats on the water seal layer. The upstream end of the connecting pipe is connected to the bottom of the water storage tank, and the downstream end supplies water to the water supply tank. A water pump is installed on the connecting pipe. This invention has a simple structure, low operating cost, and can meet the need for removing impurities from extruder exhaust gas for extended periods.

The invention discloses a staged cooling distillation tower, relates to the technical field of distillation equipment, and aims to solve the technical problem of poor condensation effect due to the adoption of a single or two-stage cooling structure in a conventional distillation tower cooling system. A pre-cooling system, a main cooling system and a rear cooling system are designed, and a cooling medium of 20-30 DEG C circulates in the pre-cooling system; the main cooling system serves as a core condensation unit and is matched with a low-temperature cooling medium of-10 DEG C to 0 DEG C, shock cooling of steam can be achieved within an extremely short time, a cooling agent of 10 DEG C to 20 DEG C of the post-cooling system is fully mixed with residual steam in a mist form, and secondary condensation is conducted on a trace amount of uncondensed steam. The three-stage cooling system disclosed by the invention forms a full-process condensation system of buffering, shock cooling and fine treatment through temperature gradient control, so that the condensation effect of the distillation tower is optimized, and products in steam are better separated.

The utility model relates to a thermal power plant thermotechnical cable temperature detection device, which belongs to the technical field of cable detection, and comprises a detection box with an open upper part, the top of the detection box is provided with a box cover for opening or closing the detection box, and two ends of the detection box are respectively provided with a through hole extending upwards to the end part of the upper end of the detection box. A walking mechanism reciprocating between the two ends of the detection box is arranged on the lower portion in the detection box, and an intermittent temperature monitoring assembly is arranged on the walking mechanism and used for intermittently making contact with a cable above and measuring the temperature in the walking process of the walking mechanism. The cable temperature detection device has the advantages that the structural design is reasonable, temperature detection can be carried out on different positions of a cable penetrating through the detection device, the accurate effect during detection can be effectively ensured, the whole detection device does not need to be moved, time and labor are saved in detection operation, normal operation of the cable is not affected, and more convenience is brought to thermal power plant thermotechnical cable temperature detection work.

The utility model belongs to the technical field of belt conveyors, and particularly relates to a sawtooth cam type belt backstop which is characterized in that the sawtooth cam type belt backstop comprises cams, a wheel shaft and baffle rings, the two ends of the wheel shaft are fixedly connected with a belt conveyor rack, the wheel shaft is connected with more than two cams through keys, the baffle rings are arranged on the two sides of the cams, and the baffle rings are arranged on the wheel shaft. A spring retainer ring is arranged on the wheel shaft on the outer side of the baffle ring; a gap is formed between the key and the cam, and the cam is in a movable state within the range of 15 degrees; after the cam is installed, the distance between the upper edge of the cam and the bottom of the belt is not larger than 1 mm. Compared with the prior art, the device has the advantages that the device and the roller backstop can be used at the same time, normal functions of the roller backstop are not affected, and the device serves as an upgrading scheme for preventing material returning of the belt conveyor, friction force between the backstop and a belt can be further increased, resistance for preventing the belt from reversing is enhanced, smooth backstop is achieved, and the service life of the belt conveyor is prolonged. Accident handling time is reduced, and production efficiency is improved.

According to the intelligent sensing caulking sealing structure and the runway pavement health state monitoring method provided by the invention, the prefabricated sensing rubber strip with the modulus gradient transition embedding material is arranged in the runway shoulder caulking, so that tight coupling and cooperative deformation between the sensing optical cable and the caulking glue made of a silicone material are realized; the problems of modulus mismatch, interface stripping, optical cable bounce and the like are effectively solved, and stable and high-fidelity acquisition of vibration signals is ensured; according to the monitoring method, the system identification technology of center line excitation and runway shoulder response is utilized, the surface wave propagation model and the regularization reconstruction algorithm are combined, the runway center line vibration state is inversed in a high-precision mode from runway shoulder signals, propagation attenuation and time delay are compensated, the monitored space coverage capacity and signal restoration precision are remarkably improved, and the monitoring precision is improved. The low-influence, wide-coverage and continuous real-time monitoring of the stock runway is realized, and finally a more reliable and efficient technical scheme is provided for runway surface health state evaluation and operation safety guarantee.

The utility model relates to the technical field of mechanical engineering, in particular to a slurry circulation pulse anti-sedimentation device for a limestone slurry tank of a thermal power plant. The utility model discloses a slurry circulation pulse anti-sedimentation device for a limestone slurry tank of a thermal power plant. The slurry circulation pulse anti-sedimentation device comprises a limestone feeding device, an outlet main pipeline electric valve, an outlet main pipeline, a tower-entering branch pipe, a tower-entering branch pipe valve and the limestone slurry tank, the limestone feeding device is connected with the outlet main pipeline, and the outlet main pipeline electric valve is located at the joint of the limestone feeding device and the outlet main pipeline; the limestone slurry tank is connected with the outlet main pipeline through a tower-entering branch pipe, and the tower-entering branch pipe is provided with the tower-entering branch pipe valve. The device can maintain the operation of the tank when the stirring fails, determines the washing time according to the slurry condition, is low in manufacturing cost, simple and convenient to operate, safe and stable, and effectively solves the problem of slurry precipitation.

The utility model relates to the technical field of butterfly valves, in particular to a high-temperature-resistant butterfly valve which comprises a butterfly valve body, a connecting pin installed at the top end of the butterfly valve body, an electric actuator installed on the outer side of the connecting pin and an installation base installed on the inner side of the bottom end of the electric actuator, and a cooling ring is arranged on the outer side of the connecting pin. By means of the cooling ring, the sealing ring, the heat conduction plate, the through hole, the heat dissipation plate, the first pagoda connector, the through groove, the sliding groove and the heat conduction assembly, when a high-temperature medium passes through the butterfly valve body, a condensation medium penetrates through the through hole in the heat conduction plate so as to take away heat in the cooling ring, and when an electric actuator is started, a mounting base drives a connecting pin to rotate; at the moment, the heat conduction block rotates along with the connecting pin, the ball rolls on the sliding inner side, heat in the butterfly valve body can be effectively prevented from being transmitted to the electric actuator through the design, the original structure of the device is not changed, and normal operation of the device is not affected.

This utility model relates to the field of carbon black dust recovery technology, specifically a mechanism for online cleaning and recovery of carbon black adhering to the walls of a carbon black dust collection pipeline. To address the problems in existing technologies where cleaning of carbon black requires stopping the machine, is time-consuming and labor-intensive, and can easily cause secondary pollution to the surrounding environment, this invention provides a mechanism for online cleaning and recovery of carbon black adhering to the walls of a carbon black dust collection pipeline. The mechanism includes a collection device for collecting carbon black, a dust collection fan, and a carbon black dust collection pipeline. A pulverizing chamber is coaxially fixed to the bottom end of the pipeline. A pulverizing motor is connected to the bottom end of the pulverizing chamber via a flange. The shaft of the pulverizing motor extends into the pulverizing chamber, and multiple pulverizing blades are circumferentially distributed on the shaft. Multiple compressed air ports are located on the bottom circumferential wall of the pulverizing chamber, and each compressed air port is equipped with a compressed air pipe arranged tangentially to the pulverizing chamber. This structure is simple, low-cost, and highly effective.

The utility model relates to queen bee honey processing equipment technical field, concretely is a kind of queen bee honey protein peptide nutrient solution stirring filter device, it includes: stirring box, its top surface is provided with opening, the bottom surface of stirring box is provided with discharge pipe, the outer wall of stirring box is fixed with fixed ring, the bottom surface of stirring box is fixedly connected with four support legs;Stirring mechanism, including top plate, the top of stirring box is fixedly connected with the top plate, the top surface of top plate is fixedly connected with speed reducer, the output shaft of speed reducer is connected with connecting shaft through coupling, the bottom end of connecting shaft is fixedly connected with a plurality of stirring rods.In the utility model, the top surface of stirring box is provided with filter mechanism, and filter mechanism includes filter plate one and filter plate two that can be mutually spliced to form circular filter screen, and the outer wall of connecting shaft is clamped by the two, so that filter screen is replaced, it is easy to operate, does not influence the normal operation of stirring mechanism, improves production efficiency.

The utility model relates to the technical field of wastewater recycling, in particular to an incineration wet-process high-salinity wastewater recycling system. The incineration wet-process high-salinity wastewater recycling system comprises a wet-process deacidification tower and a high-salinity wastewater treatment tank, a siphon piece which enables the wet-process deacidification tower and the high-salinity wastewater treatment tank to be communicated with each other is installed between the wet-process deacidification tower and the high-salinity wastewater treatment tank, and a filtering piece is connected to the siphon piece, so that pretreatment of most suspended solids and part of precipitated salt particles in high-salinity wastewater is achieved; the problems of pipeline resistance and scaling at the rear end are reduced, the use of the pump body can be effectively reduced by utilizing the siphon piece, and the production cost is reduced; the gas outlet end of the high-salinity wastewater treatment tank is communicated with a buffer tank, the water outlet end of the buffer tank is connected with a flow adjusting part, the water outlet end of the flow adjusting part is connected with a quenching spray tower, and the gas inlet end of the quenching spray tower is communicated with the wet deacidification tower and the gas outlet end of the buffer tank through pipelines, so that the pipeline pressure and the pipeline flow can be adjusted, and the system load is reduced; and cooling emission of high-temperature flue gas is realized.

The application relates to an automatic blockage cleaning device, method and electronic equipment for a coal conveying and screening system, wherein the automatic blockage cleaning device comprises a control system and an execution device for dredging screen holes; the control system comprises a monitoring unit, a processing unit and an output unit; the monitoring unit is used for acquiring screen underflow material information of the coal conveying and screening system in real time, the screen underflow material information being material yield meeting screening conditions; the processing unit is used for calculating average yield within a preset time according to the screen underflow material information; and the output unit is used for outputting a first control signal according to the average yield, the first control signal being used for controlling running or closing of the execution device. The application has the effect of realizing mechanicalization and automatic blockage cleaning of the coal conveying and screening system, and avoids various problems generated in the process of manually cleaning blockage.

The application provides a water distribution lane structure of a mine underground drainage pump house, belongs to the technical field of mine underground drainage, and is characterized in that: a first water distribution well and a second water distribution well which are independently arranged are respectively connected with a water sump and a water distribution lane, and a shared intermediate water distribution lane is further connected between the first water distribution well and the second water distribution well; each water distribution lane is respectively connected with a water suction well, and at least one water distribution gate valve is arranged at the connection between the first water distribution well, the second water distribution well, the water sump and the intermediate water distribution lane; the application can ensure the operation of the mine underground drainage system when any water sump is cleaned under normal water inflow, can facilitate cleaning and reduce the labor intensity of workers, and can reduce the engineering quantity.

This utility model provides a device to prevent derailment of a lift window, relating to the field of building door and window technology, and applied to lift windows. The lift window includes a window frame and a movable sash. A set of variable track is provided on the side frame of the window frame, and a set of roller plates is provided on one side of the movable sash. Rollers are rotatably mounted on the roller plates, and the rollers are slidably connected within the variable track. The device includes an anti-derailment top and an anti-derailment track. The anti-derailment top is installed on one side of the movable sash, and the anti-derailment track is installed on the side frame of the window frame. The anti-derailment top is fitted within the anti-derailment track, forming an anti-derailment protection for the movable sash. This device, through the cooperation of the anti-derailment top and the anti-derailment track, ensures that when the lift window derails, the pendulum of the anti-derailment top hooks and interacts with the anti-derailment track, forcibly fixing the movable sash and preventing it from tilting outwards, effectively avoiding derailment accidents and providing a good anti-derailment effect.

The invention relates to the technical field of safety protection of industrial equipment, and particularly discloses an anti-falling device of a die-casting edge trimmer. The problem that a middle base of the edge casting and cutting machine falls off in the overhauling process is solved. Comprising a fixed base, an abutting plate, a push ring and a transmission connecting rod mechanism, the base comprises two semi-annular fixed shells which are detachably connected, and the two fixed shells can be jointly clamped and fixed to a guide column of the edge trimmer; an annular groove is formed in the top of the fixed shell, and the abutting plate is arranged in the annular groove in a sliding mode and can slide in the radial direction of the guide column; the push ring is arranged above the annular groove; the transmission connecting rod mechanism is arranged between the push ring and the abutting plate, and when the push ring is subjected to pressure of falling of the edge trimmer middle base, the transmission connecting rod mechanism drives the abutting plate to abut against and lock the guide column. According to the die-casting edge trimmer, the situation that the middle base falls in the overhauling process is reduced.

This utility model relates to the field of connector assembly technology, specifically disclosing a pressure gauge valve with a leakage detection interface, comprising: a pressure gauge valve body, a fixed pipe fixedly installed at the lower end of the pressure gauge valve body, a connecting pipe threadedly connected to the lower end of the fixed pipe, a hand-tightening bolt threadedly connected to one end of the connecting pipe, and a drive rod fixedly installed at the inner end of the hand-tightening bolt, the drive rod being located inside the connecting pipe; this utility model requires subsequent maintenance and inspection of the pressure gauge. During inspection, by rotating the hand-tightening bolt, the hand-tightening bolt drives the drive rod to move, the ramp of the drive rod contacts the ramp on the drive ring, pushing the drive ring downwards, and the drive ring moves downwards synchronously with the sealing plate, so that the sealing gasket and the fixed ring are in tight contact, sealing the inner end of the connecting pipe, thereby allowing the pressure gauge valve body to be replaced. The operation is convenient and does not affect the normal operation of the main airflow channel during the inspection process.

The utility model discloses an outdoor energy storage power supply device, and relates to the technical field of outdoor energy storage. The outdoor energy storage power supply device comprises a base, a connecting mechanism and a sunshade mechanism, the top of the base is fixedly connected with a placement table, the top of the placement table is in lap joint with a placement box, the connecting mechanism comprises an assembling assembly arranged on the base and a connecting assembly arranged on the assembling assembly, and a fan is arranged on the assembling assembly; the assembling assembly is located at the top of the containing table, and the awning mechanism comprises a supporting assembly arranged in the connecting assembly and a shielding assembly arranged on the supporting assembly. According to the device, the shielding assembly is driven by the supporting assembly to conduct shielding and storage, so that adjustment can be conducted according to cloudy and rainy weather or weather with sufficient sunlight, the solar panel and the power source body are protected, normal operation of the solar panel is not affected, and meanwhile the mechanism can be detached and is convenient to use. And a user can conveniently and rapidly assemble the device on site, and the user can conveniently transport the device.

The utility model relates to the technical field of switches, in particular to an anti-mistaken-touch button switch, which comprises a control box, a switch, a rotating rod, a shielding block and an elastic assembly, the switch is arranged on the control box, the rotating rod comprises a connecting part and a guide part, one surface of the connecting part, which is deviated from the control box, is provided with a limiting groove, and the shielding block is arranged in the limiting groove. The shielding block comprises a movable part, a protection part and a limiting part, the movable part is rotationally connected with the guide part and slides in the length direction of the guide part, the protection part is connected with the movable part and correspondingly covers the switch, and the limiting part is arranged on the face, close to the limiting groove, of the movable part and is correspondingly connected with the limiting groove in a clamped mode. The elastic assembly is installed on the guide part and used for providing elastic force for the limiting part to be clamped into the limiting groove. According to the mistaken touch prevention button switch, mistaken triggering caused by the fact that the switch is directly touched by the outside world is effectively avoided, the shielding block is stably locked in a non-operation state, and the aim of greatly improving the mistaken touch prevention effect of the button switch is achieved.