203results about How to "Reduce production accidents" patented technology

The invention provides a production method of active calcium silicate. The production method of the active calcium silicate is characterized by comprising the following steps of calcining limestone, cooling the limestone, screening the limestone to collect calcium oxide particles with the particle size of over 10 mm, conducting incineration to manufacture lime milk, wherein the concentration of the lime milk is 140-190g/L, conducting centrifugal sedimentation on the manufactured lime milk, collecting refined lime milk with the particle size less than 75 mu, filtering sodium silicate feed liquid of pre-desilication, wherein the content of seston in the sodium silicate feed liquid is enabled to be less than 0.1g/L, obtaining sodium silicate fine liquid, conducting a hydrothermal reaction on the manufactured refined lime milk and the sodium silicate fine liquid, conducting slag removal and washing on a product of the hydrothermal reaction, and obtaining the active calcium silicate. The production method of the active calcium silicate can effectively solve the problem that impurity content of the active calcium silicate serving as pack is high.

The invention discloses a crude oil tank farm scheduling method which can accurately and rapidly provide a comprehensively-planned and comprehensively-optimized scheduling scheme for tank farm scheduling. According to the method, the aim of looking for the optimal working route by supporting a designated device which is sure to be passed by and a designated device which cannot be passed by under the constraint conditions such as tank farm devices and pipeline real-time states and by taking the shortest path as the optimization target is considered. By means of the method, enterprise operation cost is greatly lowered, production accidents caused by human subjective judgment are reduced, work safety of a crude oil tank farm is guaranteed, and the scheduling level and the economical efficiency in the tank farm are improved.

Disclosed is a mechanical arm capable of taking and placing materials, which is used for completing automatic taking and placing operations of workpieces. The mechanical arm comprises a delivery mechanism, a grabbing component, a location device and a supporting girder, wherein the delivery mechanism is used for delivering workpieces to be processed, the grab component is used for grabbing workpieces to be processed, the location device is connected with the grab components and used for locating the grab components so that the grab component can reach a preset position, and the supporting girder is used for fixing the delivery mechanism and the location device. The mechanical arm can automatically take and place workpieces to be processed through the delivery mechanism, the grab component, the location device and the supporting girder, so that production accidents caused by personal factors are reduced and the production efficiency is improved.

The invention discloses a method and a device for monitoring arrester resistance current by introducing unconventional PT. Firstly, the monitoring device accesses sampled value (SV) messages of merging units (MU), decodes the SV messages, detects the time of zero crossing point of busbar voltage, calculates the channel delay accurately by relying on an external synchronous clock, and restores sinusoidal waveform of the busbar voltage accurately. Secondly, the monitoring device collects leakage current sensor information mounted on a grounding wire of an arrester, and decomposes the leakage current of the arrester into resistance current and capacity current. Thirdly, the monitoring device determines the operation condition of the arrester based on the change rate of the resistance current and the ratio of the resistance current value in the arrester leakage current. According to the method and the device for monitoring arrester resistance current, the problem that some online monitoring devices cannot introduce busbar voltage signals for calculating the arrester resistance current when the busbar voltage is digital signals in intelligent substations or digital substations is solved effectively, defects of early aging, insulation hidden dangers and the like of arresters can be found earlier, and application prospect in the market is broad.

The invention discloses a reinforcement chip mounter, comprising two rotary suction cup combinations, wherein each rotary suction cup combination is connected with a suction cup with a suction hole, each suction cup is provided with an adjusting air hole and an adjusting plug capable of being inserted into the adjusting air hole to block the suction hole, the suction force and the suction area can be adjusted through the adjusting plugs, the use requirements of reinforcement plates with different specifications are met, the cost is reduced, and the production efficiency is improved. Through the arrangement of the double rotary suction cup combinations, the reinforcement chip mounter has wider applicability and stronger flexibility and meets the production needs of various production modes, so that the working efficiency is greatly improved.

The invention discloses a hydraulic lifting pipe conveyer for an oil drilling platform and belongs to a pipe conveyer. The hydraulic lifting pipe conveyer structurally comprises a bottom frame, supporting rods, an upper frame, an inclined platform surface, an inclined slideway auxiliary support and a telescopic platform surface; lifting oil cylinders are arranged between the bottom frame and the supporting rods; the inclined platform surface is arranged at the upper part of the upper frame and is hinged with one end of the upper frame; an inclined lifting oil cylinder and the inclined slideway auxiliary support are arranged between the inclined platform surface and the upper frame; the telescopic platform surface comprises a V-shaped platform surface and an upper frame telescopic pipe, wherein the V-shaped platform surface is arranged at the upper part of the upper frame telescopic pipe; telescopic oil cylinders are arranged between the inclined platform surface and the V-shaped platform surface; platform supporting legs are arranged on the periphery of the bottom frame; a hydraulic valve component is arranged on the bottom frame; and the lifting oil cylinders, the inclined lifting oil cylinder and the telescopic oil cylinders are respectively connected with a pump station and a control cabinet through the hydraulic valve component. The invention has the characteristics that the height, the inclined surface and the telescopic platform surface can be adjusted according to the production site, so that the hydraulic lifting pipe conveyer achieves the best working position, thereby the labor intensity is reduced, the production safety is greatly improved, the safe production environment of workers is ensured, and the like.

The invention belongs to processing of organic junk and organic waste water and resource technology field, more particularly relates to a method of producing biological active water by livestock and poultry dung urine. The invention utilizes rocks containing various mineral matters and humus to culture soil microorganism crowd with humification function for clearing environmental pollution of livestock and poultry dung urine at the same time, processed effluent can improve sprouting rate and germinating biability of paddy seeds apparently, can be applied to organic farm production, improvement of livestock and poultry drinking water on farm, environmental improvement of hut microorganism; applied to paddy may strengthen resistance of rice blast, raise edible taste value of paddy, applied to vegetable and fruit may raise output and quality, strengthen the ability of resistance disease, reduce even avoid the use of pesticide and chemical fertilizer; applied to farm may avoid that livestock and poultry use antibiotic to reduce production accident. The invention not only reduce environmental burden, but also has ability of restoration destroyed environmental; may form cycle type agriculture in area, promote development of organic agriculture.

The invention relates to a wedge-shaped block type clamp pushing and pulling mechanism. The wedge-shaped block type clamp pushing and pulling mechanism is characterized in that a pushing block is connected to the front end of a piston rod of a cylinder; a wedge-shaped block is connected to the front end of the pushing block; two magnetic switches are mounted at the left side of the cylinder, and while a limiting block is mounted at the right side of the cylinder; a limiting nut is mounted on the limiting block; a solenoid valve is connected to the rear end of the pushing block and located above the cylinder; a cam groove is formed in the wedge-shaped block; the limiting nut is of a cylinder structure and can be adjusted relative to the position of the limiting block; a circular hole in which the limiting nut is inserted is formed in the limiting block; the cam groove is in match with a connecting rod on a clamp; the wedge-shaped block pushes the connecting rod to drive the clamp to move to be opened and closed; the magnetic switches are used for feeding back the state of the cylinder on real time so as to control the solenoid valve to be on and off, and therefore, disordering of the movement due to known state off the cylinder can be avoided, the time can be saved, the probability of production accident is decreased, and as a result, the production cost is decreased, and the working efficiency is increased.

The invention relates to a horizontal type C-type steel transverse moving and turnover device. The device is characterized by comprising a transverse moving mechanism and a turnover clamping mechanism. The turnover clamping mechanism comprises a support, a rotating frame, a first ejecting air cylinder, a second ejecting air cylinder, a third ejecting air cylinder, a hooking and pressing air cylinder, an L-shaped hooking and pressing plate, a feeding frame, a feeding air cylinder and a turnover driving motor; the support and the rotating frame are in opening ring shapes; a first opening is formed in the support, and a second opening is formed in the rotating frame; the rotating frame is rotatably assembled on the support; the first ejecting air cylinder and the second ejecting air cylinder are arranged on the rotating frame, and a circumferential rack is arranged on the periphery of the rotating frame; a gear is mounted on an output shaft of the turnover driving motor, and the feeding air cylinder is provided with a feeding cylinder rod which can stretch out downwards; the feeding cylinder rod is connected with the feeding frame, and the third ejecting air cylinder and the hooking and pressing air cylinder are mounted on the feeding frame; and the L-shaped hooking and pressing plate is mounted on a hooking and pressing cylinder rod of the hooking and pressing air cylinder. The horizontal type C-type steel transverse moving and turnover device can achieve full automation, and the production efficiency can be improved.

The invention relates to a predication method for a dynamic tail-escaping amount of strip steel. The method is characterized by comprising the following steps: (1) collecting strip shape flatness data of section measuring points of the strip steel in a width direction and data information of the distance away from a strip steel head corresponding each set of the data, and forming a data file with a text format; (2) carrying out effective data extraction on each independent strip steel strip shape data file and carrying out meshing distributed processing; (3) fitting a partial waveform of the strip steel and formulating a judgment standard; (4) carrying out wave shape judgment on certain length data of the tail part of the strip steel section by section and combining a wave shape severe degree to judge whether tail escaping is needed or not; and (5) carrying out process correction on a predicated length and correcting an undersize tail-escaping amount in tail-escaping amount predication according to a minimum cutting length requirement of the process. According to the method, the tail-escaping amount of the strip steel of an application set is reduced and the yield of the application set is improved; a production accident is prevented from occurring; the method is simple and easy to operate.

A separable tow of elongated polymeric filaments comprises a plurality of distinct sub-tows lightly and individually and separably joined, as by light crimping together along their edges or, if uncrimped, joined by presence of moisture, and capable of being packed into a container and later removed and separated. The filaments are preferably acrylic and have a total fineness of about 300,00-1,500,000 denier and the sub-tows each of which has a total fineness of about 50,000-250,000 denier, with a filament fineness of about 1-2 denier, and each sub-tow has a degree of entanglement of about 10-40 m.sup.-1 as measured by the hook drop test. The separable tow is made of a plurality of sub-tows, after separately drawing the sub-tows and subsequently removably joining the sub-tows into a single tow.

The invention provides a distributed task scheduling method and device, electronic equipment and a storage medium. The distributed task scheduling method comprises the steps of triggering execution ofa current task for each task of a task chain according to an observation state of the current task and execution states of all tasks on which the current task depends according to a sequence of dependency relationships of the tasks in the task chain; and triggering to change the observation states of all tasks depending on the current task when the execution of the current task is completed. Themethod and the device provided by the invention can improve the task execution efficiency.

The invention belongs to the technical field of batching and feeding production, and relates to a dual-verification batching and feeding production method. The method comprises the steps of productionorder generation and issuing, raw material two-dimensional code verification, raw material disinfection and image verification, weight processing and batching two-dimensional code printing, raw material transfer and batching information transmission, batching two-dimensional code verification, feeding image verification, feeding weight verification and feeding weighing and acceptance list generation. The double-verification type batching and feeding production method can be used in cooperation with a batching and feeding weighing system, double-verification type weighing mistake-proofing devices are arranged at a batching position and a feeding position, and batching needed by production is fed after being subjected to two-dimensional code verification at the batching position and the feeding position, image verification, weight weighing, weight verification and other processes. The production method is reasonable and complete in process and accurate in batching, raw materials can berecognized and verified, verification and feeding information tracing can be conducted in the feeding area, it is guaranteed that raw material feeding is accurate, and labor cost is saved.

The invention relates to a stacking and reclaiming system with statistics of material information of a stocking yard. The system comprises a stacking and reclaiming device, a control module and a detection module, the detection module at least comprises a geographical morphology detection apparatus, the detection module transmits detected data information to the control module, the control modulecomprises a data server and a calculating module, the control module stores the received data information in the data server and updates the data information in real time, geographical morphology dataof the whole stocking yard is stored in the data server in the format of DEM topographic data, the control module can convert the geographical morphology data of the whole stocking yard to 2D or 3D stacked display through the calculating module, and the 2D or 3D stacked display at least comprises the material name, the stacked volume, the stacked angle of repose and stacked profile map information of each material pile in the whole stocking yard. According to the system, the material statistical information of the whole stocking yard can be recorded in real time, the material statistical information of the whole stocking yard can be inquired through the control module, and the stocktaking function of the whole stocking yard is realized.

The invention discloses a steelmaking whole process logistics informatization method based on Internet of things. The method includes the following steps: 1) establishing underlying Internet of thingsbased on a PLC, collecting sensor or MES and secondary system data, and providing an underlying real-time signal; 2) providing positions of a crown block and a trolley prepared in real time based onpositioning of the crown block and the trolley of a coding cable. 3) identifying package numbers of containers, and identifying iron package and steel package numbers by scanning high temperature resistant bar codes; 4) tracking the container to realize real-time spatial positions of the steel packages, iron packages and scrap steel hoppers in a whole steelmaking workshop during steelmaking, and displaying the real-time spatial positions in an animated manner; 5) managing scrap steel, according to a scrap steel addition formula and the scrap steel added in the scrap hoppers, a plan of scrap steel addition amount and a specific executing crown block are given; 6) displaying the operation plan, and switching the display of Gantt charts of produced, in-production and unproduced tasks; and 7)displaying a steelmaking whole process in an animated manner, and marking all stop points of the steel/iron packages in the steelmaking whole process in detail. The steelmaking whole process logisticsinformatization method based on Internet of things saves energy, reduces consumption, optimizes the operation time of the crown block, improves the utilization rate and production efficiency of the containers and realizes the maximization of the enterprise benefit.

The invention provides an intelligent high precision flow control system which comprises a system body. The system body comprises a detection module, a flow meter, a control valve and a feedback circuit. The control valve and the detection module are electrically connected with the flow meter through the feedback circuit. The detection module detects a flow signal and transmits the flow signal to the flow meter through the feedback circuit. The flow meter transmits a correction feedback value to the control valve through the feedback circuit operation and processing. The control valve controls the flow value according to the correction feedback value. According to the invention, the detection module feeds back the signal to the flow meter through the feedback circuit to improve the control accuracy and avoid control malfunction, and then send a feedback signal to the control valve to precisely adjust the control valve; through two feedback signals, the control accuracy of the control valve is high; the use of intelligent microcomputers such as a controller is reduced; the cost of industrial production investment is greatly reduced; the flow is accurately controlled; production accidents are reduced; the production efficiency is improved; and the production cost is reduced.

The invention discloses a power slip, and belongs to the technical field of petroleum drilling corollary equipment. The power slip comprises a base, a slip body guide device is arranged on the base, and a locating sliding block is arranged on the outer side face of the slip body guide device. A sliding groove matched with the locating sliding block is arranged on the base, and the locating sliding block slides in or slides off the sliding groove in the circumferential direction. After the locating sliding block enters the sliding groove and is located, the axial movement of the slip body guide device is limited. After the locating sliding block leaves the sliding groove, the slip body guide device can be demounted from the base. Through the power slip with the structure, the slip body guide device is detachably mounted on the base, only the slip body guide device, a turntable bushing and the slip which are matched with tubular columns are replaced when the tubular columns with the different pipe diameters are replaced, the workload for mounting the slip is small, and the working efficiency of well drilling is high.

The invention discloses a system for remotely controlling an industrial robot. The system comprises a remote terminal, a processing unit and a production unit, wherein the remote terminal is in data connection with the processing unit through a wireless local area network, and the processing unit is connected with the production unit through a cable. The invention further provides a working methodof the system for remotely controlling the industrial robot. The industrial robot is remotely controlled and controlled to operate and work according to a preset route, speed, working frequency and the like, and the intelligent degree is high. When the industrial robot operates, various data are collected in real time and converted, and real-time monitoring is conducted; and when the data exceeda preset value range, the industrial robot is immediately controlled to stop working, and an alarm is given off, so that production accidents are greatly reduced, production smoothness is guaranteed,the production efficiency is improved, and good usage and safety value is achieved.

The invention relates to a method for measuring the material level of a storage tank in the production of trichlorosilane, which belongs to the production field of halogenated silicane. The invention solves the technical problem of providing the method for measuring the material level of the storage tank in the production of the trichlorosilane, and the method is free from the interference of floating dust. The method for measuring the material level of the storage tank in the production of the trichlorosilane measures the material level of the storage tank which is connected with a pipeline, and calculates the material level L of a material in the storage tank according to a formula L=m/(Sp) by measuring the total mass m of the storage tank and the material in the storage tank, wherein S is the cross-section area of the storage tank, and p is the stacking density of the material. The method can avoid the influence of the floating dust on a detection result, can measure the material level of the material in the storage tank more accurately, is beneficial to replenishing silicon powder or eliminating silicon dust in time, can effectively reduce the generation of production accidents and has extensive application prospect.