257 results about "Oil terminal" patented technology

The invention relates to the technical field of path planning, in particular to a multi-unmanned aerial vehicle oil depot storage tank inspection intelligent optimization method based on a layering strategy. The method comprises the following steps: constructing an equivalent terrain mathematical model according to oil depot storage tank characteristics, and establishing a multi-objective optimization objective function; performing global path planning inspection of multiple unmanned aerial vehicles by using an improved wolf pack optimization algorithm; abnormities are monitored through a carried sensor, and abnormal information is uploaded to a terminal; the terminal issues the target abnormal point to the single unmanned aerial vehicle; performing single-machine local path optimization by adopting an improved particle swarm optimization algorithm; and updating the state of the inspection task. According to the method, global path planning and local path optimization are effectively combined through a layered inspection strategy, the defects of a traditional method in inspection full coverage and local emergency response are overcome, the intelligent and efficient level of an unmanned aerial vehicle inspection system is improved, and the method is suitable for complex oil depot storage tank inspection tasks and emergency disposal scenes.

The invention discloses an oil depot full-process comprehensive management monitoring method and system, particularly relates to the field of oil depot full-process comprehensive management monitoring, and aims to solve the problems that data correlation analysis among different links is insufficient, and potential systematic risks are difficult to comprehensively identify and predict. A transfer entropy method is introduced into upstream real-time data and historical association mapping, information transmission strength between upstream and downstream key parameters is quantitatively analyzed, and an effective causal link is established; in combination with dynamic time warping and synchronous entropy correlation degree quantity, trace deviation characteristics are matched with downstream key parameter cluster information, and a deviation propagation path is accurately drawn; strictly judging a non-stationary conduction trend from the aspects of time and structure by using a multi-scale complexity increment index and cluster structure change measurement; on the basis, a mixed integer nonlinear programming optimization model is adopted, a downstream link pre-intervention strategy is quantitatively formulated, and efficient solving of parameter adjustment and early warning signal level decision is achieved.

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 present invention belongs to the field of virtual character generation and relates to interactive testing technology, which is used to solve the problem that the existing technology cannot generate virtual characters for simulation training. Specifically, it is a virtual character interaction design generation method based on multimodal perception, including a character generation sub-method and a test optimization sub-method; the character generation sub-method includes the following steps: "Virtual image setting conception": setting basic parameters of the virtual character, the basic parameters include image style, category, positioning and basic information, the basic information includes gender, age, appearance characteristics and personality characteristics, realizing first-person perspective roaming and device interactive operation, allowing users to operate virtual devices; the present invention can simulate gas stations, oil depots and other depot scenes, and can also develop emergency accident scenes for simulation training. At the same time, it combines key technologies such as 3D modeling and emergency simulation to ensure training effects.

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.

Pump unit (1, 110) for a hydraulic system comprising a housing (2) and a connection area (3), wherein the housing (2) defines an interior space (4), the interior space (4) being substantially cylindrical and forming at least a portion of an oil reservoir (T) that can be filled with hydraulic oil; and at least one pump element and at least one submersible electric motor (5) driving the pump element are arranged in the interior (4); wherein the connection area (3) has a pressure channel (6) with a pressure channel opening (7) and a return channel (8), wherein the pressure channel opening (7) is connected to the pump element and the return channel (8) opens into the interior (4) via a return opening (9), wherein the pump unit (1) has a channel element (100, 111) arranged in the interior (4) with a channel element inlet (101) and a channel element outlet (102), wherein the channel element (100) is formed separately from the housing (2), wherein the channel element inlet (101) is connected to the return opening (9), and the channel element outlet (102) is spaced from the connection area (3) such that the channel element outlet (102) projects into the interior (4) below an oil level (S) in the oil reservoir (T) which is established during operation of the pump unit (1), wherein the channel element outlet (102) is offset by at least 45° to 120° relative to the return opening (9) in the circumferential direction of the interior space (4), and the central axis (MA) of the channel element outlet (102) is not parallel to the central axis (MR) of the return opening (9), and wherein the housing (2) has at least one fastening element (11) and wherein the channel element (100) has at least one fastening means (105) fixed to the fastening element (11).

The invention belongs to the technical field of safety production management, and discloses a safety production management system, which comprises a production data processing module used for storing preprocessed production management data into a database; the production equipment management module is used for extracting the operation data of the production equipment from the database and predicting the health state of each piece of production equipment based on the operation data of the production equipment; the oil depot environment management module is used for analyzing an oil quantity change trend according to the oil depot environment monitoring data; and the production risk control management module is used for formulating and implementing risk control measures in combination with the abnormal behaviors of the personnel in the production field and the potential operation risk factors. Based on periodic law and trend analysis, the future deformation and settlement trend of the oil storage tank can be predicted, and then potential problems of the oil storage tank can be found in time.

The invention discloses a fuel oil pressure reducing device which comprises a fuel oil pressure reducing device for supplying fuel oil to an engine according to the original pressure of an oil depot or supplying the fuel oil to the engine after the fuel oil is subjected to pressure reduction. Fuel oil can be supplied to engines of different models at different pressures through the oil discharging and pressure releasing path, the fuel oil pressure reducing path and the pressure supplying path, and the fuel oil pressure adjusting function needed by tests of the engines of different models is matched.

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.

A scroll electric compressor includes a housing, a rotary shaft, an electric motor, a fixed scroll, an orbiting scroll, a compression chamber, a discharge chamber, and an oil storage chamber. The housing has a discharge housing including an end wall, a first peripheral wall, a stepped portion, and a second peripheral wall. The fixed scroll has a flange in contact with the second peripheral wall. The stepped portion, the second peripheral wall, the flange, the outer peripheral wall cooperate to define an annular space around the fixed scroll. The annular space is in communication with the discharge chamber or the oil storage chamber.

The invention belongs to the field of oil depot management, and discloses an intelligent application management system and device, and the intelligent application management system comprises a personnel positioning management module, an intelligent inspection module, a video intelligent analysis module and a mobile application module. According to the method, different alarm levels are divided, response is carried out according to the emergency degree and potential risk of the situation, it is ensured that resources and attention are focused on the most needed place, abnormal behavior recognition based on deep learning and emotional state monitoring based on sound features can accurately evaluate the behavior and psychological state of personnel, and the accuracy of the abnormal behavior recognition is improved. Early identification of factors which may cause errors; by continuously updating the position of the target object in the continuous frames, movement of the object can be monitored in real time, it is ensured that the position of the object can be accurately known at any moment, potential unsafe behaviors or abnormal activities can be recognized in real time through tracking data, and early warning is given out in time.

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 provides a target positioning method and system, computer equipment and a readable storage medium. The target positioning method comprises the following steps: acquiring identification information in an oil depot area based on a VPDN security tunnel, and identifying a positioning label in the identification information; obtaining the positioning tag, and determining whether the positioning tag is an effective positioning tag based on information in an oil depot data information base; in response to the fact that the positioning tag is an effective positioning tag, determining position information of the effective positioning tag through a positioning module; and determining positioning information of the to-be-positioned target based on the position information, and displaying the positioning information of the to-be-positioned target through a display device in real time. According to the positioning method, real-time positioning display and management can be carried out on the to-be-positioned target in the oil depot area, potential safety hazards are reduced, and safety management of the oil depot area is improved.

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.

1. The name of this design product: Oil-retaining pool guardrail (assembled straight board). 2. Purpose of this design product: used for the construction of assembled oil-blocking pools in oil depots. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention provides an oil depot product oil inventory prediction method and device based on two-stage linkage, and the method comprises the steps: determining the product oil purchase amount at the next moment based on the historical product oil purchase amount; based on the historical third-party wholesale amount, the third-party wholesale amount at the next moment is determined; based on the historical product oil sales volume and the historical oil tank liquid level meter inventory, the gas station demand at the next moment is determined; and determining the stock of the oil depot product oil at the next moment based on the incoming quantity of the product oil at the next moment, the third-party wholesale quantity at the next moment and the gas station demand quantity at the next moment. According to the method, the oil depot product oil inventory at the next moment can be accurately determined, effective prediction of the oil depot product oil inventory is realized, and stable operation between the oil depot and the gas station is ensured.

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.