703 results about "Tank truck" patented technology

The invention discloses a method and a system for detecting the safety state of a hazardous chemical substance transportation tank truck based on a digital twinning technology. The system comprises a data acquisition module, a data processing module, a risk assessment module, a digital twinning module and a decision support module. And the data acquisition module can acquire data in various aspects in the transportation process of the tank car. An intelligent assessment algorithm is built in the risk assessment module, and risk diagnosis can be carried out based on the four aspects of people, vehicles, goods and rings. And the digital twin module integrates the digital model and dynamic data to realize visual management of a transportation tank truck structure, a risk evolution process and a coupling relationship among the sub-models. And the decision support module is used for providing decision support for operators in combination with the current situation and historical data. According to the data-model-knowledge-driven multi-domain performance evaluation solution provided by the invention, the safety and reliability of the transportation process can be effectively improved.

The present invention discloses a cryogenic liquid insulated tank truck, comprising a traction pin assembly arranged on an outer container tank body of a double-layer tank body, a wave-proof device arranged in an inner container of the double-layer tank body, and a liquid phase damper for pressure measurement arranged on the double-layer tank body; the traction pin assembly comprises a traction chamber arranged in a traction base, and a composite elastic deformation body installed in the traction chamber, the composite elastic deformation body comprises a rigid body slidably arranged in the traction chamber in a horizontal direction, and an elastic body arranged on the rigid body, an elastic deformation connection is formed between the elastic body in the composite elastic deformation body and the traction chamber in a horizontal direction, and a traction pin is vertically arranged on the rigid body in the composite elastic deformation body; a wave-absorbing module is arranged on the wave-proof device; and a heat transfer balance automatic compensator is arranged on the liquid phase damper for pressure measurement. The present invention improves the safety of cryogenic liquid insulated tank trucks.

The present application relates to the field of crane pipe leak testing, and specifically discloses a crane pipe leak testing system for liquid chlorine unloading. The crane pipe includes a fixed pipe and a movable pipe, and a heat insulation structure is arranged on the fixed pipe and the movable pipe; the heat insulation structure is used to insulate the inside of the fixed pipe and the movable pipe; a temperature detection component for obtaining the temperature of the heat insulation structure is arranged at the heat insulation structure; a socket matching the filling port of the tank truck is formed on the fixed pipe; the movable pipe is inserted into the socket so that the fixed pipe and the movable pipe form a closed loop; a gas thermal imaging component is arranged on the fixed pipe, and the gas thermal imaging component forms a gas detection area, and the gas detection area covers the movable pipe. The present application has the effect of ensuring that the liquid chlorine will not be vaporized when unloading the truck, and better protecting the crane pipe, while using the temperature detection component and the gas thermal imaging component to detect the temperature outside the heat insulation structure, and when the crane pipe leaks, it will cause the temperature outside the heat insulation structure to change significantly, thereby using liquid chlorine to directly perform leak testing.

Provided are a method and apparatus for controlling rollover prevention of a tank truck, a cloud, a tank truck, and a system for controlling rollover prevention of a tank truck. The method includes: obtaining vehicle information sent by the tank truck and liquid filling information obtained based on a sensor; inputting the vehicle information and the liquid filling information into a vehicle fine model and a liquid sloshing fine model respectively, and outputting a first parameter calibration result and a second parameter calibration result respectively; and transmitting the first parameter calibration result and the second parameter calibration result to the tank truck, determining a control target of the tank truck by combining vehicle state sensor information observation and liquid related sensor information observation, and controlling the rollover prevention of the tank truck based on the control target.

The invention relates to the technical field of flushing, and particularly discloses an intelligent concrete tank car flushing platform based on the Internet of Things. When a tank car is flushed through a flushing platform main body and the concrete tank car is driven into the flushing platform, a sensor automatically detects the arrival of the car and sends a signal to an intelligent control module; the intelligent control module starts the multi-degree-of-freedom mechanical arm and the flushing spray head to automatically flush the tank truck, the moving speed of the mechanical arm and the flushing water pressure are adjusted in the flushing process according to the different areas and thicknesses of stains in all the areas of all the soil tank trucks, and meanwhile, if the soil tank trucks are not flushed thoroughly for the first time and are flushed for the second time, the flushing water pressure is adjusted; the secondary flushing water pressure can be automatically adjusted according to the first-time cleaning degree, and water can be saved to the maximum extent while thorough flushing is ensured.

The invention discloses a dynamic scheduling method for a concrete transportation tank truck, and relates to the technical field of intelligent scheduling. According to the method, the position and state information of the concrete transportation tank truck is acquired in real time, the demand data of each construction site is combined, the clustering algorithm and the priority algorithm are utilized to generate the efficient demand list and the scheduling plan, and the scheduling efficiency problem under the condition that multiple construction sites are required at the same time is solved; the optimal driving path is determined through a Dijkstra algorithm and real-time traffic data, congestion is effectively avoided, fuel consumption and vehicle loss are reduced, and therefore the transportation cost is reduced; besides, a multi-objective optimization model and a genetic algorithm are adopted, fuel consumption, vehicle loss and an unloaded driving rate are comprehensively considered, a task allocation scheme is dynamically adjusted, the flexibility and robustness of the scheduling method are improved, the timeliness and reliability of concrete supply are ensured under variable traffic and demand conditions, and the scheduling efficiency is improved. And finally, optimization of the concrete transportation process is realized.

A self-propelled machine with a cabin (6) capable of tilting for a better maneuverability of the same, and which has a hopper (2) on which the harvesting machine unloads, which has augers (7) that homogeneously distribute the product within the hopper, a hopper (2) that is linked to the frame (1) of the machine by means of a scissor-type lifting mechanism (9) controllable from the cabin (6). The hopper (2) has an unloading flap (8), including on its bottom a longitudinal conveyor belt (10) operable from inside the cabin (6). This allows the harvester to continue working and unload at the point (place) where it is located without affecting the harvesting process in addition to avoiding the use of additional machinery in the process.

The invention relates to the technical field of oil tank truck safety monitoring, in particular to an oil tank truck Iot intelligent lead sealing strip system which comprises a lock assembly and further comprises a steel wire rope detection circuit, a wireless communication module, an NFC encryption label and a power supply module. Each lock assembly comprises a main body shell, a lock shell, a lock cylinder, a spring and steel balls, the two lock assemblies are symmetrically arranged relative to the center line of the main body shell, and the three steel balls of the same structure are arranged on the lock cylinder in the radial direction of the lock cylinder; the steel wire rope detection circuit connects a steel wire rope to the circuit through a resistor, and detects the connection state of the steel wire rope in real time by detecting the voltage change on the steel wire rope; the wireless communication module comprises a master control MCU circuit integrated with a wireless transceiver and a wireless antenna, and is used for uploading the connection state information of the steel wire rope in real time; the NFC encryption tag has a repeated read-write function and can be encrypted; and the power supply module is a disposable button cell. According to the application, the safety of lead seal monitoring of the oil tank truck can be improved.

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 provides an automatic inventory management system for an oil tank truck, and relates to the technical field of control and regulation systems, and the system can quickly and reasonably respond to guarantee system safety and oil quality through a graded water level alarm strategy when sealing leakage risks of different degrees occur to a tank body; the sealing leakage influence factor generation module comprehensively evaluates the sealing state of the tank body and detects the leakage risk by collecting multiple parameters such as air pressure difference, humidity and VOC concentration; the target wave-proof partition plate determination module dynamically adjusts an oil product monitoring mode according to the real-time inclination data, and overcomes measurement errors caused by inclination; the fluctuation range simulation and comparison module provides an anomaly detection and alarm mechanism through comparative analysis of actual and simulated data; the introduction of the correction index enables the water level alarm strategy to be more targeted and accurate, reduces the false alarm rate, and improves the real-time accuracy and safety of oil inventory management.

The invention relates to the technical field of storage and distribution of liquefied gas, and particularly discloses a pre-cooling, filling and waste gas treatment system of an LNG fuel ship, which comprises the following steps: S1, connecting a liquid nitrogen tank car with a gasification pry to pre-cool a fuel cabin of the LNG fuel ship; s11, low-temperature nitrogen / liquid nitrogen of the liquid nitrogen tank car is conveyed to the input pipeline through the gasification pry, and the low-temperature nitrogen / liquid nitrogen is conveyed to the fuel cabin through the input pipeline; s2, the LNG tank car is connected with a gasification pry to generate gasified natural gas to expel nitrogen in a fuel cabin of the LNG fuel ship, and LNG replacement of the fuel cabin is completed; s3, the LNG tank car achieves gas-phase pressurization through a gasification pry, LNG is conveyed to a fuel cabin through an input pipeline, and LNG filling of the fuel cabin is completed; and S4, the LNG tank car achieves gas-phase pressurization through the gasification pry and the filling pry, LNG enters an LNG immersed pump of the filling pry, the LNG is conveyed to the fuel cabin through the LNG immersed pump, and LNG filling of the fuel cabin is completed.

The invention provides an oil tank truck tank body inner wall cleaning robot and a control method, and the cleaning robot comprises a robot body which comprises a machine body, a plurality of advancing legs, a steering engine and a potentiometer; the advancing legs are arranged in parallel, so that the robot body can climb over a wave-proof plate in the tank body; the cleaning assembly comprises an electric telescopic rod, a high-pressure hydraulic rotating nozzle and a telescopic water conveying pipe, one end of the telescopic water conveying pipe is connected with the high-pressure hydraulic rotating nozzle, and the other end of the telescopic water conveying pipe is connected with a conveying pump; the camera is used for acquiring an internal image of the tank body and judging the cleaning degree and / or the cleaning effect in the tank body; the laser radar is used for acquiring a three-dimensional point cloud image in the tank body so as to construct an environment map in real time and locate the position of the robot; the robot body further comprises a main control board, an inertial measurement unit module and a network communication assembly. The automatic cleaning device can overcome the limitation of the material of the tank body and realize the automatic cleaning of the inner wall of the tank body of the oil tank truck with the washboard.

The objective is to provide a railway tank car that can ensure the strength of the handrails while suppressing an increase in the mass of the scaffolding. [Solution] The first reinforcing member 50 connects the base of the support column 41 and the upper surface of the bracket 20. The first reinforcing member 50 is positioned on the outside of the support column 41 in the vehicle width direction (left side of the page in Figure 4(a)). That is, the short side 5b of the first reinforcing member 50 is welded to the upper surface of the bracket 20 in a region that is on the outside of the support column 41 in the vehicle width direction. Therefore, it is not necessary to increase the width dimension of the bracket 20, as in the conventional structure in which a pair of reinforcing members 151 are arranged in a V-shape on both sides of the support column 141 (see Figure 6(b)). Thus, the strength of the handrail 40 can be increased while suppressing an increase in the mass of the scaffolding 2.

The invention relates to the technical field of transportation safety monitoring, in particular to a tank car liquid level on-line detection method which comprises the steps that a medium-wave infrared image and a long-wave infrared image of a tank car are collected, and the environment temperature is synchronously obtained; fusing the medium-wave infrared image and the long-wave infrared image to generate a fused image; liquid level boundary candidate areas are extracted, and effective liquid level boundaries are determined through geometric constraint and temperature gradient verification; the effective liquid temperature is output after environment temperature verification; performing temperature compensation based on the effective liquid temperature and the expansion coefficient, and generating a dynamic threshold by combining vehicle speed vibration compensation; the actual liquid level height is converted according to the position of the effective liquid level boundary and the parameters of the tank body and compared with a dynamic threshold value to trigger grading alarm or emergency locking operation. The low-temperature liquid level line contrast ratio and the rain and fog day recognition rate are enhanced, the over-loading risk caused by thermal expansion is avoided, and the system robustness and the alarm accuracy are improved.

The invention relates to the technical field of oil tank truck safety monitoring, in particular to an oil tank truck primary and secondary lock safety monitoring system based on LoRa communication, which comprises a monitoring center server, a vehicle-mounted terminal and a primary and secondary lock device. The surrounding radio environment of each physical position is complex and difficult to copy, when an attacker carries out GPS spoofing, although GPS coordinates reported by a vehicle are forged, a radio frequency signal set collected by a vehicle-mounted terminal in real time is a real reflection of an illegal position where the vehicle-mounted terminal is located. The radio frequency signal set is obviously different from a pre-stored radio frequency signal set of a legal position stored in a monitoring center database; by comparing the two, the system can immediately identify deception behaviors with mismatched positions and reject an unlocking request; according to the field investigation mechanism based on the physical environment, the problem of vulnerability caused by purely depending on digital coordinates in the prior art is fundamentally solved.

The utility model discloses an automatic bulk system for ash materials, which comprises a tank opening identifying and positioning piece, a controller and a bulk machine, the bulk machine is provided with a bulk head, the tank opening identifying and positioning piece and the bulk head are both electrically connected with the controller, a tank car parking station for parking and feeding of a tank car is arranged below the bulk head, and the tank car parking station is electrically connected with the controller. The tank opening identifying and positioning part is used for identifying a tank opening of the tank car and positioning along with the tank opening, and the controller is used for controlling the bulk head to move to be aligned with the tank opening according to positioning data of the tank opening identifying and positioning part, so that when the tank car is parked at the tank car parking station, the bulk head can move to the tank opening to be aligned with the tank opening. The tank opening of the tank car can be identified by the tank opening identifying and positioning piece, the tank opening is positioned, then three-dimensional coordinate information of the tank opening is transmitted to the controller, the bulk head is controlled by the controller to move to be aligned with the tank opening, and coal ash can be added into the tank car through the bulk head.

The invention discloses a cleaning device for an unmanned multi-interlayer tank car, belongs to the technical field of tank car maintenance, and solves the problem that a lens part of a camera assembly of an existing cleaning device is polluted or damaged due to impurities. A moving assembly is mounted between the mounting supports, a mechanical arm assembly is mounted on the moving assembly, a cleaning mechanism is mounted at the end of the mechanical arm assembly, and the moving assembly can drive the mechanical arm assembly to horizontally move left and right or move in the vertical direction, adjust the position of the mechanical arm assembly and enable the cleaning mechanism to enter the tank body. The cleaning mechanism comprises a telescopic air cylinder, a nozzle assembly, a conveying hose and a detection camera, the telescopic air cylinder is installed on the side face of the mechanical arm assembly, the nozzle assembly is arranged at the end of the telescopic air cylinder, the nozzle assembly communicates with the conveying hose, the detection camera is installed on the telescopic air cylinder, and a shielding assembly for protecting a lens of the detection camera is installed on the detection camera.

The invention discloses a mass concrete pouring system. The technical problems that in the prior art, mass concrete pouring efficiency is low, and the construction period is prolonged are solved. The device comprises a hopper arranged on the ground beside a concrete pouring pit and a conveying pipe with one end connected out of the hopper and the other end extending into the concrete pouring pit. A plurality of concrete pouring mechanisms used for pouring concrete in the material conveying pipe into the concrete pouring pit are arranged between the material conveying pipe and the concrete pouring pit, and an included angle of 10-30 degrees is formed between the material conveying pipe and the horizontal plane. Prefabricated concrete is fed into the hopper through the concrete conveying tank truck, the concrete sequentially passes through the concrete conveying articulated chute, the material distributing barrel, the material distributing hopper, the concrete pouring pipe, the bent pipe, the discharging pipe and the material distributing plate and then enters the concrete pouring pit, the whole process is smooth and efficient, the pouring effect is good, and the concrete pouring construction period can be effectively shortened.

The utility model relates to the technical field of washboard assembly, in particular to a tank truck washboard assembly special device which comprises a heavy load manipulator unit, a grabbing device, a feeding device, a clamp type positioner and a rear blocking and limiting unit. The heavy-load manipulator unit has lifting and telescopic functions; the grabbing device is mounted on the heavy-load manipulator unit; the feeding device has a centering function and is arranged below the grabbing device. The clamp type positioner is installed in the moving range of the grabbing device and used for fixing the liquid tank. The rear blocking and limiting unit abuts against the rear end of the liquid tank. The utility model has the advantages that: 1, the labor intensity is reduced, the assembly difficulty is reduced, the entry and exit of the washboard are both completed by the heavy-load manipulator and the gripping device, and the centering adjustment of the washboard and the shaping of the tank body are both completed by the equipment; and 2, the assembly quality is improved, the washboard is jacked and positioned through a hydraulic jacking assembly on the grabbing device, and the influence of impact force on a workpiece is reduced.

The invention provides a pressurization storage tank and a pressure filling tank truck with the pressurization storage tank. The pressurization storage tank comprises a tank body, a liquid level detection device, a pressurization pipeline, a pressurizer and a liquid outlet valve. The liquid level detection device is used for detecting liquid level information in the tank body; one end of each pressurizing pipeline communicates with the bottom of an inner cavity of the tank body, the other end of each pressurizing pipeline communicates with the top of the inner cavity of the tank body, and the multiple pressurizing pipelines are arranged in parallel; the superchargers are communicated with the supercharging pipelines, and each supercharging pipeline is provided with one supercharger; the liquid outlet valves are communicated with the pressurizing pipelines and located on the upstream of the pressurizer, and each pressurizing pipeline is provided with one liquid outlet valve. When a worker uses the pressurizing storage tank to unload liquid, the superchargers with different numbers or different powers can be started and stopped according to the liquid level information detected by the liquid level detection device, so that the self-adaptive matching between the pressurizing capacity and the size of a gas phase space in the tank body is realized, and the whole liquid unloading process is more stable and efficient.

The invention discloses a cement tanker cleaning waste recycling mechanism which comprises a circulating pool and a circulating pump, the circulating pump can continuously convey slurry waste in the circulating pool into a tanker, the slurry waste repeatedly cleans the tanker, the concentration of the slurry waste is increased, and the standard of semi-finished products of materials is met; the grain recycling pool can be used for collecting rainwater, hardened waste on the outer wall of the tank car and particle waste; and the arc-shaped scraping plate is used for conveying the hardened waste materials and the particle waste materials in the grain material recycling pool into the grain material storage pool. The grain recycling system has the beneficial effects that through the arrangement of the circulating pool, the grain recycling pool and the grain storage pool, the grain recycling pool can collect particle waste on a tank car body, particle waste washed in along with rainwater in a plant and particle waste separated by a solid-liquid separator, the recycling range is expanded, waste water in the plant is fully utilized, and the grain recycling system is environmentally friendly and free of pollution. And zero emission is realized.

The application discloses a drilling fluid performance measurement and control system and an operation method, and relates to the field of drilling fluid performance measurement and control. The drilling fluid performance measurement and control system comprises: a horizontal tank truck having a plurality of storage bins for storing different types of treating agents; a process centralized control platform signal connected to the horizontal tank truck to control the start or stop of the unloading operation of the storage bins, realize automatic delivery of the treating agents to a drilling site, and avoid the generation of solid waste without manual operation; a material cloud platform signal connected to the process centralized control platform to receive the ingredient demand of the process centralized control platform and control the type and distribution amount of the treating agents in each storage bin; and an automatic mixing device comprising an ingredient bin for receiving the treating agents in the storage bins, wherein the ingredient bin is connected with a mixing bin for mixing and slurry preparation through a pipeline; and the process centralized control platform is used for controlling the feeding and slurry preparation operation of the ingredient bin and the mixing bin according to the drilling fluid performance information monitored by a monitoring device, realizing automatic regulation and control of the drilling fluid performance and improving the automation and intelligent level.

The utility model discloses a yellow phosphorus filling lifting platform which aims at solving the problems that an existing loading platform is not matched with a tank car, and the operation risk of personnel is large. The platform comprises a filling frame and a lifting platform capable of vertically sliding, the filling frame and the lifting platform are connected through a servo electric cylinder, the filling frame is provided with a guide structure, a guardrail and an anti-collision assembly, and the anti-collision assembly is in control connection with the servo electric cylinder. A connecting beam is arranged on the top of the lifting platform, and servo electric cylinders are arranged on the two sides in pairs and connected through connecting rods. A mounting seat of the filling frame is provided with a limiting bearing and a limiting notch. The anti-collision assembly comprises an anti-collision rod and a limiting switch. The platform can adapt to different tank trucks through the lifting platform and the servo electric cylinder, so that people can get on and off the truck conveniently; the operation safety is improved through a guardrail and a lifting function; a servo electric cylinder, a connecting beam and the like guarantee stable lifting; the anti-collision assembly can prevent equipment from being damaged. The existing problems are effectively solved, and the safety and convenience of yellow phosphorus filling operation are improved.

A partition-type tank truck cleaning device is provided with a main body and a cleaning arm, the cleaning arm being assembled to the main body; the cleaning arm being provided with a fixed plate, a multi-section curved tube assembly for spraying cleaning liquid, a telescopic mechanism for driving the multi-section curved tube assembly to fold or extend, a bending mechanism for bending the telescopic mechanism and the multi-section curved tube assembly as a whole, and a rotating mechanism for rotating the multi-section curved tube assembly, the telescopic mechanism, and the bending mechanism as a whole; the rotating mechanism being fixedly assembled to the fixed plate, the multi-section curved tube assembly, the telescopic mechanism, and the bending mechanism being all transmission-connected to the rotating mechanism, the telescopic mechanism being fixedly connected to the multi-section curved tube assembly, and the bending mechanism being transmission-connected to the telescopic mechanism. The cleaning arm drives the multi-section curved tube assembly to extend via the telescopic mechanism, and can also be bent via the telescopic mechanism and the multi-section curved tube assembly as a whole, passing through a through hole in the partition plate, so that the cleaning arm extends into other compartments to clean different compartments.

This utility model relates to the field of workpiece disassembly and assembly technology, specifically a disassembly device for a liquefied petroleum gas tanker safety valve. It includes a base plate, a second clamp fixedly connected to the upper surface of the base plate, a first clamp slidably connected to the upper surface of the base plate, a hydraulic jack fixedly connected to the upper surface of the base plate, and a positioning device on the upper surface of the base plate. The positioning device includes a first support plate slidably connected to the upper surface of the base plate, and a second support plate slidably connected to the upper surface of the base plate. A support plate is installed on the side of the first and second support plates that are close to each other. This utility model solves the problem that when disassembling a liquefied petroleum gas tanker safety valve, workers typically need to hold the safety valve to adjust its position and then use clamps to fix it, making the clamping of the safety valve difficult to complete independently and resulting in a complex disassembly process.

The invention discloses an oil tank truck energy-saving dispatching method, device and equipment, a storage medium and a product, and relates to the technical field of low carbon and energy conservation, and the oil tank truck energy-saving dispatching method comprises the steps that oil tank truck dispatching path information and oil tank truck liquid load information are acquired; the oil tank truck scheduling path information and the oil tank truck liquid load information are input to a pre-trained oil tank truck energy-saving scheduling model, an optimal energy-saving scheduling scheme is generated, and the oil tank truck energy-saving scheduling model is obtained by combining a path optimization sub-model and an energy-saving optimization sub-model. According to the method, the energy-saving optimization sub-model is adopted to carry out scheduling decision optimization on the scheduling path according to the liquid load, the optimal path is generated according to the path optimization sub-model, finally, the scheduling decision and the optimal path are considered to generate the optimal energy-saving scheduling scheme, and scheduling strategy optimization of energy conservation and emission reduction is completed.

The utility model discloses a dust pelletizing, recycling and dust removing device which comprises a dust removing mechanism used for removing dust in gas; the feeding mechanism is used for conveying dust, and a feeding port of the feeding mechanism is connected with a dust outlet of the dust removal mechanism; the granulating mechanism is used for pressing the dust into granules, and a feeding port of the granulating mechanism is connected with a discharging port of the feeding mechanism; the conveying mechanism is used for conveying and recycling particles pressed by the granulating mechanism, and a feeding port of the conveying mechanism is connected with a discharging port of the granulating mechanism; the exhaust mechanism is used for exhausting gas passing through the dust removal mechanism, and a gas inlet of the exhaust mechanism is connected with a gas outlet of the dust removal mechanism. The dust removal device provided by the utility model can be used for pressing collected dust into large-particle-size particles which are directly used as raw materials for recycling, so that reentrainment of dust is avoided, the dust does not need to be conveyed to other places through pneumatic conveying or dust suction and discharge tank trucks for additional treatment, the treatment mode is simple and efficient, and the dust removal device is particularly suitable for dust removal of remote transfer stations.

A pumping assembly for a fuel delivery vehicle having main and auxiliary inlets, an outlet, and one or more hose connections. A pump moves fluid through the assembly, and the fluid can pass through a filter separator to remove contaminants. A specific manifold in combination with multiple, two-way valves enable control of the fluid flow to produce multiple fluid pathways. At least ten different configurations are available depending on the need. The assembly is mounted in a frame that is mounted to a vehicle, such as a fuel truck. In some cases, sensors are employed to measure and monitor various parameters throughout the assembly.

The utility model relates to the technical field of corrosive liquid material unloading, in particular to a corrosive liquid material constant-pressure automatic unloading device which comprises a tank car used for conveying corrosive liquid materials and a liquid storage tank used for storing the corrosive liquid materials, and a nitrogen pressure valve is arranged on one side of the upper end of an upper tank body of the tank car. An emptying valve is arranged in the middle of the upper end of the tank car upper tank body, a discharging valve is arranged at the lower end of the end face of the side, close to the liquid storage tank, of the tank car upper tank body, a feeding pipe is fixedly connected to one side of the upper end of the liquid storage tank, a first feeding valve is arranged at the lower end of the feeding pipe, and a discharging hose is fixedly connected to the lower end of the first feeding valve; the end, away from the first feeding valve, of the discharging hose is connected with a discharging valve flange, and a remote liquid level transmitter is arranged on one side of the liquid storage tank. Compared with the prior art, the problems that in the prior art, the danger coefficient is high and the efficiency is low when corrosive liquid materials are manually unloaded are solved.

An embodiment of the utility model provides an oil tank truck liquid level monitoring device, which relates to the technical field of oil tank truck liquid level monitoring and comprises a monitoring system, the monitoring system comprises a radar liquid level meter and a data transmission device connected with the radar liquid level meter, and the data transmission device is connected with a data processing device. The radar liquid level meter and the data transmission device are connected with the power supply device, liquid level changes in the tank body of the oil tank truck are measured in real time through the radar liquid level meter, and the radar liquid level meter has high precision, high stability and strong anti-jamming capability, can accurately reflect liquid level fluctuation, can stably work even under severe working conditions, and is high in reliability. The liquid level data collected by the radar liquid level meter is transmitted to the data processing device through the data transmission device, so that the real-time performance and accuracy of the data are ensured.