179 results about "Oil terminal" patented technology

The invention discloses an emergency linkage control system for oil depot fire hazard real-time monitoring, and relates to the technical field of safety monitoring, the emergency linkage control system comprises an emergency linkage control center, the emergency linkage control center is in communication connection with the following modules: a multi-source data fusion sensing module used for constructing a multi-mode sensor network, and collecting multi-source heterogeneous data in real time, carrying out fusion analysis, and generating a hidden danger dynamic distribution diagram. Real-time high-frequency acquisition of oil depot environment, equipment and disaster evolution data is realized by constructing a multi-mode sensor network and integrating various sensors, data noise is eliminated and a hidden danger dynamic distribution diagram is generated in combination with a spatio-temporal data fusion engine, so that the monitoring data covers the whole area of the oil depot and the time resolution reaches a second level; compared with a traditional threshold triggering mode, the system can dynamically capture multi-source heterogeneous data of the key area of the oil depot, discover the hidden danger evolution trend in advance, shorten the disaster early warning time and remarkably improve the active suppression capability.

The invention provides a well-station-oil depot coupling simulation-based crude oil coagulation risk optimization method, which comprises the following steps of: firstly, designing a well-station-oil depot pipe network system topological structure, analyzing a pipe network structure, and numbering wells, stations, oil depots and pipelines to obtain the numbers of an upstream pipeline and a downstream pipeline of each pipeline; then, a well-station-oil depot pipe network system is disassembled into a node + pipeline form, each pipeline is dispersed into a plurality of calculation units, and the pipe section length, diameter and dip angle of each calculation unit are obtained; according to the fluid temperature of each wellhead, the fluid entering pressure of each station and a PVT physical property table, assuming the temperature and pressure of all nodes to obtain the average temperature and pressure of each pipe section; and calculating crude oil physical property parameters, crude oil flow parameters, pressure drop and temperature drop parameters of each pipe section by adopting an iterative method to obtain pressure and temperature of all nodes, and finally judging the pipe condensation risk according to the physical property parameters and the pipeline pressure and temperature. The pipe condensation risk can be automatically judged, and the production efficiency and safety are improved.

The invention provides a harbor district oil depot control system, belongs to the technical field of harbor district oil depot management and control, and particularly relates to a harbor district oil depot control system which comprises a multi-source data acquisition module, a data processing module, an index generation module, a production scheduling module, a safety management module, an equipment protection module and a control module. Universe data collection of the storage tank area and the loading and unloading area is achieved through the multi-source monitoring equipment, a scheduling, safety and equipment dynamic index system is formed in combination with the AI algorithm, and the data value density is improved; loading and unloading task allocation, four-level safety early warning and equipment health intervention measures are dynamically generated based on a threshold value, and automatic closed-loop management of'monitoring-analysis-execution 'is achieved; through a multi-stage early warning mechanism, full-process plan triggering from daily maintenance to emergency response is supported, and the accident prevention efficiency is improved; a three-dimensional visual billboard and a data cockpit are provided through the integrated management and control platform, cross-department collaborative decision making is achieved, and the emergency response speed is increased.

The invention belongs to the technical field of intelligent detection and operation and maintenance, and provides a gas station and oil depot inspection and maintenance and inspection system based on AR glasses, and the system comprises the steps that an AR module detects a storage tank to obtain comprehensive multi-source data; the data visualization module superposes and displays the comprehensive multi-source data at the physical position of the storage tank in real time to obtain real-time picture data of the AR glasses; the path optimization module plans a shortest inspection path and guides an inspector through a ground projection arrow; the collaborative maintenance module receives the real-time picture data of the AR glasses through the collaborative platform, marks the real-time picture data and sends a maintenance instruction; the training drilling module simulates the oil unloading process of the oil tank truck, sends out an operation instruction and records the operation duration; the simulation evaluation module compares actual operation with the operation instruction, sends out virtual leakage early warning information and generates a capability evaluation report; the real-time storage tank state is obtained through the AR technology, and the shortest inspection path is obtained, so that the inspection time and energy consumption are reduced, and meanwhile, the maintenance time is shortened.

The invention belongs to the field of digital twin technology and emergency management systems, and particularly relates to an emergency drill evaluation system and method based on a digital twin airport oil depot, and the system comprises a data acquisition and management module, an emergency drill scheme management module, an oil depot twin environment construction module, a simulation deduction module, and a comprehensive analysis and evaluation module. According to the emergency drill evaluation system and method based on the digital twin airport oil depot, through a multi-dimensional evaluation index system constructed by a comprehensive analysis and evaluation module, and in combination with an analytic hierarchy process and a fuzzy comprehensive evaluation method, a drill effect is quantitatively evaluated from multiple aspects of emergency response speed, resource utilization efficiency, loss control degree and the like; various problems in the drilling process can be deeply analyzed, the generated assessment report not only comprises detailed problem analysis, but also provides targeted improvement suggestions, and meanwhile, historical data and industry standards can be compared, so that assessment is more scientific and accurate, and powerful support is provided for emergency management decision making.

The invention provides an oil depot state low-cost monitoring method and system based on the Internet of Things, and relates to the technical field of oil depot detection, and the method comprises the steps: deploying a sensor group at the position of an oil depot storage tank, and collecting original monitoring data; preprocessing the collected original monitoring data, and then uploading the data to a cloud server through an Internet of Things gateway; based on the received data, the cloud server performs inversion calculation on the real-time liquid level height of the storage tank through an intelligent algorithm, and performs calibration calculation on the volume of the special-shaped storage tank; state fusion analysis and abnormity diagnosis are carried out based on the real-time liquid level height, the volume data and the multi-source environment data; and triggering graded early warning according to a preset rule based on results of analysis and abnormality diagnosis. According to the method provided by the invention, hardware deployment cost is revolutionarily reduced, and all-around efficiency leap from manual regular inspection to unmanned real-time monitoring, from single parameter measurement to multi-source fusion diagnosis, and from passive reading to active early warning is realized.

The invention relates to the technical field of gas alarm, in particular to a large oil depot combustible toxic gas alarm system, which comprises a region layout module, a state acquisition module, a state judgment module and a coverage evaluation module, generating a three-dimensional grid according to the geographic information of the oil depot, and forming an initial detection area corresponding to the geographic information of the oil depot for any geographic information of the oil depot; detecting the gas concentration of the initial detection area, acquiring a diffusion path of each detection point on the initial detection area according to a preset simulation path of the initial detection area, and outputting the gas concentration on the diffusion path as gas layering data; establishing a concentration time matrix according to the gas layering data of each detection point on the initial detection area, and judging a candidate area corresponding to gas leakage according to the time sequence correlation of the concentration of each detection point; on the basis of the effective coverage radius of the candidate area, a concentration grid field of gas leakage is reconstructed, and a leakage alarm strategy is set; the response efficiency and accuracy of gas alarm are realized.

The invention discloses an oil depot operation behavior intelligent identification method and system, and relates to the field of oil depot safety monitoring, and the method comprises the steps: obtaining motion image data and operation environment parameter data of an oil depot operator, and the operation environment parameter data comprises temperature, humidity and oil gas concentration; action mode recognition is executed based on the action image data, an electrostatic action risk index is evaluated based on the action of the operator, and the electrostatic action risk index is used for measuring the risk index of static electricity possibly generated by the action of the operator; evaluating an electrostatic environment risk index based on the operation environment parameter data, wherein the electrostatic environment risk index is inversely proportional to humidity, temperature and oil gas concentration; and comprehensively weighting the electrostatic action risk index and the electrostatic environment risk index to obtain a total electrostatic risk index, and triggering an alarm when the total electrostatic risk index exceeds a threshold value. The problem that it is difficult to evaluate and early warn static accumulation risks in oil depot operation in time is solved.

The utility model relates to the technical field of oil-containing wastewater treatment, and discloses an oil removal device for oil depot oil-containing wastewater treatment, which comprises a shell, a treatment cylinder arranged in the shell, a stirring component arranged in the shell, and a delivery pump arranged on the outer side of the shell, the input end of the conveying pump is fixedly connected with a floating type oil suction head through a connecting hose, the output end of the conveying pump is communicated with the bottom of the treatment barrel through a connecting hose, a filter screen is fixedly connected into the shell, a drainage pipe is installed at the bottom of the shell, and a chemical adding assembly is installed at the top of the shell. An aeration assembly is mounted on the outer side of the shell. According to the oil removal device, a sucked oil-water mixture is subjected to chemical adding treatment in the treatment barrel and is filtered after being stirred, so that the oil removal operation on the wastewater is completed, and chemicals are added in a dropwise adding manner so as to adapt to the continuous oil removal operation on the wastewater.

The invention discloses an engine pedestal oil supply pressure regulating system which comprises an engine assembly, a plurality of oil depots, an oil tank and a regulating assembly, the engine assembly is used for measuring oil consumption, the oil depots are arranged side by side and used for storing different types of oil products, and the oil tank is arranged above the engine assembly and used for temporarily storing the oil products. The oil tank can communicate with the multiple oil depots and the engine assembly, and the regulation and control assembly is arranged between the oil tank and the engine assembly and between the oil depots and used for controlling the oil tank to communicate with the engine assembly and the oil depots. According to the invention, the problems that gas exists in fuel oil and the pressure is violently fluctuated after pressure reduction due to relatively large pressure fluctuation when a pressure reducing and regulating valve group is used for supplying oil and regulating pressure for an engine pedestal can be effectively solved.

The utility model provides a multistage filtering device for an oil depot pipeline, which relates to the technical field of oil depot instruments and comprises a waste tank, a main pipe, a filter screen, a transmission pipe, a propelling screw and a switch panel, the filter screen is tightly connected into a middle round hole of the main pipe, and the upper side and the lower side of the middle round pipe of the main pipe are respectively tightly connected with a group of flange connecting pipes; a group of rotary control buttons are arranged at the upper part of the switch disc, and the switch disc and the rotary control buttons are rotationally connected in the circular holes in the circular pipes on the two sides of the main pipe; the transmission pipe is fixedly connected to the two sides of the main pipe and one side of the circular pipe, and the propelling screw is rotationally connected into the transmission pipe; one side of the waste tank is fixedly connected to a multi-stage filter screen on a round pipe head on one side of the conveying pipe through a round pipe, so that layered filtration of impurities is realized, and the purification effect is improved; the propulsion screw and the waste tank timely remove impurities to guarantee the stability of the system; the detachable flange connecting pipe and the conveying pipe are convenient to install and maintain, sealing is ensured through threaded connection, the leakage risk is reduced, and the service life of equipment is prolonged.

The utility model belongs to the field of swan pipe, especially a double -sealed oil depot swan pipe, it includes swan pipe support, the output of swan pipe support is fixedly installed with swan pipe main part, the swan pipe main part is fixedly covered with sealing rubber ring and clamping base, the inside of clamping base is provided with clamping chamber, the outside of clamping base is provided with a plurality of turnover mouth, a plurality of turnover mouth all are linked with same clamping chamber, the outside of swan pipe main part is fixedly covered with sealing rubber block. The utility model discloses a plurality of clamps can be set up to the tank mouth of tank truck is held, prevents the relative displacement of swan pipe and tank truck tank mouth in the oil transfer process because of vibration, shaking and so on, makes swan pipe and tank truck keep solid connection, ensures the loading and unloading oil operation to carry out smoothly, avoids the sealing effect of junction to reduce, causes oil gas leakage, has increased the practicality and security of equipment.

The utility model relates to the technical field of oil depot delivery, in particular to an intelligent delivery system. Comprising batch control equipment for loading, interlocking control equipment for checking safety conditions before loading, access control equipment for controlling vehicles to enter and exit, a data server for collecting and processing information, a batch interlocking control module for controlling the batch control equipment and the interlocking control equipment, and a self-service billing machine for self-service billing of a driver, the PLC system / ERP system is used for counting delivery conditions and calculating residual goods quantity, the security check module is used for controlling security check equipment, the access control module is used for controlling access control equipment, the vehicle management module is used for vehicle queuing management, and the user terminal is used for customer ordering. The data server is in communication connection with the batch interlocking control module, the self-service billing machine, the PLC system / ERP system, the security check module, the access control module, the vehicle management module and the user terminal. The system is efficient in delivery and high in intelligent degree, does not need to be guided and operated by a specially-assigned person, and intelligently checks safety conditions before loading.

The utility model discloses a waste oil recovery device for a sewage pool of an oil depot, which comprises a waste oil recovery part, a waste oil recovery part, a waste oil recovery part and a waste oil recovery part, and the waste oil recovery part comprises a mounting plate and a hydrophobic oleophylic sponge; the lower end of the mounting plate is fixedly connected with hydrophobic oleophylic sponge; the anti-bending adjusting part comprises a mounting block, a torsional spring, a bracket and a guide wheel; the mounting blocks are symmetrically and fixedly connected to the two ends of the middle of one side of the mounting plate, a torsional spring penetrates through the middle of one end of each mounting block, a support is fixedly connected to the inner side of each torsional spring, and a guide wheel is rotationally connected to the middle of one end of each support. The angle needed by the pumping water pipe can be adjusted in a self-adaptive mode, the bending degree of the connecting position of the pumping water pipe can be effectively reduced, the probability of separation between the pumping water pipe and a connecting pipe is reduced, the damage degree of the pumping water pipe is reduced, and cost is reduced.

This invention discloses a method for configuring oil and gas recovery facilities at coastal refined oil terminals adaptable to multiple operating conditions. It relates to the technical field of environmental pollution control, particularly air and water pollution control. Oil and gas pollution from terminals has a significant destructive impact on the environment. To protect the environment, terminals need to be equipped with oil and gas recovery facilities. This method first collects the basic operating parameters of the target terminal and the pipeline laying distance, and determines the spatial constraints. A multi-objective evaluation matrix is ​​constructed, and candidate scheme scores are calculated and ranked using a comprehensive evaluation model. Finally, the footprint of the optimal scheme is used, combined with the spatial constraints, to determine the physical boundaries. Based on the pipeline laying distance, selection parameters for the induced draft module used to overcome long-distance pressure drop are simultaneously output, generating spatial layout instructions that include physical arrangement and fluid compensation. This invention deeply couples process quantitative optimization with the physical space of the terminal, significantly reducing the overall operating energy consumption of the oil and gas recovery process and contributing to energy conservation and emission reduction in ports.

The invention provides an oil depot accident emergency pool system which is characterized in that a remote control water inlet valve, a water surface sewage online monitor and a bolt camera are arranged in a front end valve well; a siphon, an oil containment boom, an oily water separation device and a liquid level display device are arranged in the oil tank; a remote control water outlet valve is arranged in the rear end valve well; a combustible oil gas concentration alarm device, a water quality monitoring device, a bolt camera and a water seal well are arranged in the observation well; the dome camera is arranged at a high position outside the accident emergency pool; the rear end of the siphon is connected with the rear-end valve well, the rear-end valve well is connected with the observation well through the drainage pipeline, and remote control and monitoring are achieved through the control system. The siphon in the accident emergency pool is combined with the remote control water outlet valve, automatic drainage and water storage functions are achieved, the water level in the emergency pool can be flexibly and accurately controlled under daily operation and emergency conditions by accurately controlling the opening degree of the valve, and the adaptability and reliability of the system are improved.

The invention provides a refined oil product scheduling optimization method based on multi-agent reinforcement learning, and belongs to the technical field of refined oil product secondary logistics distribution. Modeling a product oil dynamic scheduling optimization problem into a process based on constrained Markov decision; independent agents are deployed in each gas station and each oil depot, and an agent interaction framework is constructed; the gas station agent generates a delivery order through a near-end strategy optimization method in combination with a hierarchical action space and risk constraint by taking minimization of delivery cost as a target and taking avoidance of empty warehouse and explosion warehouse as safety constraint conditions; all the delivery orders serve as initial delivery schemes and are sent to an oil depot agent; the oil depot agent optimizes the single-warehouse order in the preliminary distribution scheme through a tabu search method, and updates the distribution scheme; and the oil depot distributes the product oil based on the updated distribution scheme. According to the method, a flexible, efficient and safe scheme is provided for gas station replenishment in a dynamic environment, the inventory management efficiency is improved, and the operation cost and risk are reduced.

The utility model relates to the technical field of oil gas recovery processing, and particularly discloses an oil depot oil gas recovery processing device which comprises a frame and a digital display control panel, and a plurality of oil gas processing tanks used for processing oil gas are arranged in the main frame. The interior of each oil-gas treatment tank is hollow, one end of each oil-gas treatment tank is open, and a sealing tank cover is detachably arranged at each opening; the gas inlet pipeline structure is communicated with the oil gas treatment tank and is used for introducing oil gas; the gas outlet pipeline structure is communicated with the oil gas treatment tank and is used for discharging the treated gas; the gland structure is used for pressing the tank sealing cover to realize sealing fit between the tank sealing cover and the oil-gas treatment tank; the oil gas treatment tank, the gas inlet pipeline structure, the gas outlet pipeline structure, the gland structure, the sealing tank cover, the inner spiral filtering assembly and the like are matched with one another, so that the inner spiral filtering assembly can be disassembled, replaced or maintained and cleaned under the condition of uninterrupted recovery treatment.

The utility model belongs to the technical field of static elimination, and particularly relates to a portable static grounding device which comprises a grounding base. The top of the grounding base is fixedly connected with a fixed side plate; the fixed side plates are arranged on the two sides of the top of the grounding base; the top of the fixed side plate is fixedly connected with an output motor; the side wall of the fixed side plate is rotationally connected with a first gear; the output motor is connected with a first gear; in the working process, through mutual cooperation of a second rotating plate, a limiting sliding rail and a connecting rod, a limiting lantern ring is driven to move in a reciprocating mode, in the moving process of the limiting lantern ring, an electrostatic connecting wire can be regularly wound around the outer side of a winding roller, and therefore the neatness of the electrostatic connecting wire on the outer side of the winding roller is improved; by using the grounding base, the dead zone of the oil depot static electricity elimination device is covered, the oil depot static electricity elimination device is eliminated at any time, the operation is convenient, an ignition source is cut off from the source, the intrinsic safety of an oil depot is improved, and the portability of the whole device is improved.

The invention discloses an oil depot oil gas recovery system operation monitoring and early warning device and method, a computer and a storage medium, belongs to the technical field of oil depot oil gas monitoring, and solves the technical problem that abnormal working condition early warning is not timely due to incomplete operation state monitoring of an oil depot oil gas recovery system. The device comprises a data acquisition module used for acquiring operation parameters of the oil depot oil gas recovery system in real time; the state monitoring module is used for monitoring the operation state of the oil depot oil gas recovery system; an equipment file module; the maintenance early warning module is used for sending an equipment maintenance expiration early warning prompt; the service life early warning module is used for outputting service life expiration early warning information; the automatic monitoring module is used for establishing a standard operation curve and an early warning threshold value of the operation parameters, and is also used for identifying an abnormal working condition based on the standard curve and the early warning threshold value; and the early warning grading module is used for triggering grading early warning. The method is suitable for the technical field of oil depot oil gas monitoring and can be applied to operation monitoring and early warning of an oil depot oil gas recovery system.

The utility model discloses an oil depot drainage system, and relates to the field of drainage, and the oil depot drainage system specifically comprises a water collecting well, and a liquid level device is arranged in the water collecting well; a first valve is arranged on the first drainage pipe; a second valve is arranged on the second drainage pipe; the control device comprises a delay controller; the first drainage pipe and the second drainage pipe are connected with the side wall of the water collecting well. One end of the control device is connected with the liquid level device, and the other end is connected with the first valve and the second valve. According to the technical scheme, sewage can be discharged timely and reasonably.

The utility model relates to the technical field of accident water in an oil depot area, and discloses a system for treating accident water in a fire dike of a crude benzene storage tank, which comprises a fire-proof container, a first crude benzene storage tank, a second crude benzene storage tank and a crude benzene emptying tank, the first crude benzene storage tank and the second crude benzene storage tank are arranged in the fire-proof container, and the first crude benzene storage tank and the second crude benzene storage tank are arranged in the fire-proof container. The crude benzene emptying groove is placed in a pit outside the fire dike, a water collecting pit is formed in the fire dike, a drainage pipeline is pre-buried in the right side of the interior of the water collecting pit, and a crude benzene discharging pipeline is pre-buried in the left side of the interior of the water collecting pit. According to the accident water treatment system in the fire dike with the crude benzene storage tanks, rainwater and accident water are respectively conveyed to the rainwater collecting tank and the crude benzene emptying tank in a self-flowing manner through a reserved pipeline in the fire dike, are filtered and then are pumped to the two groups of crude benzene storage tanks through the underground emptying tank, and crude benzene in an accident state is quickly collected, so that volatilization of the crude benzene can be reduced, and the safety of the fire dike is improved. And the problem that a large amount of crude benzene accident water enters the accident water pool to cause large loss is solved.

The application provides a crude oil pipeline transportation differentiation control method considering the differences between the stoppable pipeline and the non-stoppable pipeline, and comprises the following steps: S1, collecting pipeline transportation end parameters, upstream end parameters and downstream end parameters, and performing pretreatment; S2, defining the constraints and rules of the top layer framework of differentiation control; S3, scene judgment and classification processing: based on the collected real-time parameters, judging whether the pipeline transportation network is currently in a regular scene or a sudden scene; S4, executing corresponding differentiation control strategies for the regular scene or the sudden scene. The application realizes the deep cooperation between pipeline transportation control and oil depots and refineries, completely solves the problems of "pressure holding" and "oil shortage for volume adjustment" caused by the disconnection between supply and demand in the prior art, and improves the supply-demand matching degree M of the whole link to more than 95%.

The utility model belongs to tar production processing technical field relates to a kind of tar intermediate tank body including intermediate tank body, feed pipe is equipped on the intermediate tank body, feed pipe is connected with external tar supply pipe, the lower end of intermediate tank body is rotatably installed with conical discharge pipe, driving assembly that is compatible with conical discharge pipe is equipped on the intermediate tank body, the inner wall of conical discharge pipe is equipped with extruding piece, extruding piece is helical, discharge pipe is rotatably connected in the lower end of conical discharge pipe, discharge pipe is connected with external tar depot, conical discharge pipe outside is equipped with heating assembly. The utility model is discharged to internal tar by setting conical structure's conical discharge groove in the lower end of its intermediate tank body, so that it can utilize gravity to accelerate material to slide down, compared with flat bottom, can reduce the retention area of tar in tank bottom, avoid deposition dead angle, while its inside is also equipped with helical extruding piece, rotate with conical discharge pipe, push tar to discharge port, further improve the discharging efficiency of the device.

This invention provides a method, apparatus, and device for generating clues about abnormal gas stations. The method includes: determining the effective stopping locations of each vehicle before arriving at each target gas station based on electronic waybill data of each vehicle of the target type and location information of each target gas station; the effective stopping location represents a location where the stopping time exceeds a first threshold; determining the location of a target oil depot based on the effective stopping locations of each vehicle before arriving at each target gas station and the location information of the target object in a geographic information system; determining the location information of the abnormal gas station based on the location of the target oil depot and the electronic waybill data of each vehicle; and generating clues about the abnormal gas station based on the location information of the abnormal gas station. This method improves the efficiency and accuracy of identifying abnormal gas stations.

This invention belongs to the field of petroleum testing technology, and specifically relates to a liquid petroleum sampler for use in oil storage and transportation depots. It includes a mounting plate with a vertical rod rotatably connected to it. A motor for driving the vertical rod to rotate is mounted on the mounting plate. Several sampling components are arranged equidistantly from top to bottom on the vertical rod. Each sampling component includes: a fixed collar, which is fixedly sleeved on the vertical rod; at least one swing tube, which is hinged to the outer wall of the fixed collar, causing the swing tube to deflect upwards when the motor drives the vertical rod to rotate; and a fixed frame, which has a cylindrical structure. This invention utilizes the rotation of the vertical rod to achieve the extension and retraction of the swing tube, facilitating the insertion of the device through the sampling port of the oil tank. It also controls the opening and closing of the heating wire and the sealing and opening of the sampling tube, ensuring close coordination between the heating and sampling steps of the petroleum, thus improving sampling efficiency.

A disclosed waste oil recovery system for an airport oil depot sewage pool comprises a sewage treatment tank, one side of the sewage treatment tank is provided with a solid waste collection tank, a filter cartridge is fixed above the sewage treatment tank, and one side, close to the solid waste collection tank, of the filter cartridge is provided with a vertical gap; a circulating conveying belt is arranged on the side, away from the solid waste collecting tank, of the filter cartridge, the surface of the circulating conveying belt makes close contact with the filter cartridge, a plurality of filter frames are distributed on the outer portion of the circulating conveying belt at equal intervals, and the circulating conveying belt can circularly convey every two adjacent filter frames into the filter cartridge; and the connecting part of the filter cartridge and the circulating conveying belt penetrates through the vertical notch. The circulating conveyor belt drives the alternately distributed filter frames to circularly work, when a single filter frame is moved out for cleaning, a new filter frame can be immediately replaced, 24-hour uninterrupted filtering is realized, the treatment efficiency is greatly improved, and the problem of efficiency loss caused by shutdown cleaning of traditional equipment is solved.

Disclosed is a marine oil hose reel, including a mounting frame, a reel, a hose, an oil pump assembly and a driving assembly. The reel is rotatably mounted on the mounting frame. The hose is wound around the periphery of the reel. The oil pump assembly is arranged on the mounting frame and provided with a first port communicated with an oil depot and a second port connected to an end of the hose. The driving assembly is arranged on the mounting frame and provided with two driving parts spaced apart, one of the driving parts is connected to the reel to drive the reel to rotate, and the other one is connected to the oil pump assembly to drive the oil pump assembly to pump oil. The integrated structural design of the present disclosure allows for integration of the reel and an oil pump device, reducing the occupied space.

The invention relates to an oil tank truck delivery method and system for a refueling station replenishment order and a medium, and the method comprises the steps: S1, sequentially selecting an order from an order demand table, and judging whether the refueling station replenishment order is subjected to one-time splitting or not according to the effective volume of a refueling station storage tank; s2, the vehicle information table is traversed in sequence, oil tank truck compartments matched with order demands are screened out for the independent orders or the sub-orders in the S1, and full-load transportation of the tank trucks is achieved with the compartment capacity as the actual delivery quantity R of the orders; and S3, if the oil tank truck compartments meeting the conditions cannot be found in the step S2, carrying out multi-compartment distribution or non-full-compartment transportation on the order. Under the special conditions that the order demand is large or the storage tank of the gas station is small, the order can be reasonably split, the oil loading / unloading operation frequency of the oil depot and the gas station is reduced as much as possible under the condition that safe oil supply is guaranteed, and the delivery efficiency of the oil tank truck is improved.

The utility model discloses an assembly type building applied to an oil depot, and belongs to the technical field of assembly type buildings, the assembly type building comprises a wall body and two supporting frames, a protrusion is vertically formed on one side of the wall body, a groove is vertically formed in the other side of the wall body, and a plurality of connecting holes are formed in the side wall of the protrusion and the side wall of the groove; a limiting groove is formed in the bottom face of the wall body, the two supporting frames are located on the two sides of the wall body correspondingly, and the two supporting frames are detachably connected with the wall body and an external structure correspondingly. The limiting groove is formed in the bottom face of the wall body, so that an external structure can extend into the limiting groove, pre-positioning of the wall body can be achieved, positioning operation of constructors is simplified, construction efficiency is improved, displacement of the wall body can be limited, the probability that the wall body topples over is reduced, and construction quality is improved. The connection tightness of the wall body and an external structure is improved; the wall body can be supported and limited through the two supporting frames, the wall body is effectively prevented from toppling over, and the anti-explosion or anti-impact capacity of the wall body is improved.