44results about "Material flash-point" patented technology

The invention discloses an electronic oil pump rotating speed intelligent control system for a new energy vehicle, which relates to the field of electronic oil pump rotating speed intelligent control and comprises a data acquisition module, a fuel oil module, a component module, a working condition module and an execution module. According to the method, the conversion-demand degree of the fuel oil of the oil pump of the new energy vehicle is obtained by evaluating the conversion-demand degree of the fuel oil of the oil pump through the physicochemical characteristics, the injection parameters, the combustion sequence characteristics, the electrical characteristics and the quality parameters of the fuel oil, and the conversion-demand degree of a fuel oil supply system is obtained by analyzing the working characteristics of the parts; performing automobile driving, running and battery state judgment analysis on the working condition information to obtain an automobile working condition turning-on-demand value, and performing automobile electronic oil pump rotating speed overall state analysis on the turning-on-demand degree of oil pump fuel, the turning-on-demand degree of a fuel supply system and the automobile working condition turning-on-demand value; the electronic oil pumps in different comprehensive states are matched with corresponding revolution values to work, the revolution speed of the electronic oil pumps can be accurately adjusted, and the energy consumption of the oil pumps is reduced.

The utility model relates to a pneumoelectric integrated ignition head device for an automatic flash point tester, which comprises an ignition head and a control system, the ignition head comprises an alundum tube, a thermocouple, a gas ignition needle and a silicon nitride ignition head, four through holes are uniformly distributed on the alundum tube, and the thermocouple is arranged in the silicon nitride ignition head. Two wires of the thermocouple, the fuel gas ignition needle and the silicon nitride ignition head are respectively inserted into four through holes of the alundum tube and fixed, the silicon nitride ignition head and the fuel gas ignition needle are on the same horizontal plane, a temperature sensing point of the thermocouple is 5 mm above the fuel gas ignition needle, and combustible gas is guided into the tail end of the fuel gas ignition needle through a gas guide tube. An electromagnetic valve and a fine adjustment needle valve are connected to the gas guide pipe in series, the silicon nitride ignition head is connected into a direct-current power source and connected with a normally-open relay in series, and the electromagnetic valve, the normally-open relay and the thermocouple are all electrically connected with the control system. According to the utility model, gas ignition and electronic ignition can be automatically and freely switched, and the flame size and the electronic ignition aging degree can be detected.

The invention discloses an ignition-free closed-cup flash point measuring system for petroleum products. The ignition-free closed-cup flash point measuring system comprises a sample pretreatment unit, a flash separation unit, a constant-temperature control unit, a flash point detection unit and a data processing unit which are communicated in sequence. The sample pretreatment unit is used for removing solid impurities and moisture in a petroleum sample; the flash separation unit is used for converting the pretreated sample into oil vapor and liquid components; the constant-temperature control unit maintains the temperature stability of the system; the flash point detection unit detects the flammable flash state of the oil vapor in an optical mode; the data processing unit records and analyzes the detection data to output a flash point value. The invention further provides auxiliary modules such as a circulating purification unit and a safety monitoring unit, efficient, accurate and safe measurement of flash points of various petroleum products such as gasoline, diesel oil and lubricating oil is achieved through pressure grading flash evaporation and precise temperature control, the detection period is short, the automation degree is high, and the device is suitable for rapid flash point analysis of laboratories and industrial sites.

The invention discloses an oil flash point online prediction method based on multiple physical quantities and temperature and use duration correction, and belongs to the field of oil performance monitoring and equipment health management. The online prediction method comprises the following steps: collecting multi-physical-quantity sensing signals of oil in the operation process of target equipment, and executing timestamp synchronization, interpolation alignment, abnormal value elimination and sample matrix construction; performing benchmark processing on the temperature sensitive variable by using the temperature correction model; the oil temperature is monitored in real time, the accumulated high-temperature operation duration when the temperature exceeds a threshold value is calculated, time correction is conducted on a flash point according to an empirical formula and an exponential decay model, and the flash point decline effect caused by aging is compensated; taking the multi-physical quantity vector after temperature and oil age correction as input, constructing a multi-model fusion prediction framework, and generating a flash point prediction value through a weighted fusion or stacking strategy; and comparing the predicted flash point with a baseline value, executing hierarchical early warning, generating a structured evidence chain log, and recording input parameters, a model version, a prediction result and threshold setting.

A temperature fixing device comprises a fixing body and a hand screw. A thermometer penetrating hole is formed in the fixing main body, the thermometer penetrating hole is of a through hole structure, the two ends of the thermometer penetrating hole are formed in the top face and the bottom face of the fixing main body respectively, and the thermometer penetrating hole is suitable for inserting a thermometer; one side of the fixing main body is provided with a threaded hole, the threaded hole is communicated with the thermometer through hole, the hand screw is in threaded connection with the threaded hole, and the length of the hand screw is greater than that of the threaded hole; a mounting block is arranged on the fixing main body, the mounting block is arranged on the other side opposite to the threaded hole, and the mounting block is suitable for being connected to an open flash point tester; through the arrangement, the height of the thermometer can be independently adjusted, and the fixer can be quickly mounted and dismounted.

The application discloses an oil product online detection device and relates to the technical field of oil product detection.The device comprises a detection mounting piece, an elastic supporting piece is installed on the detection mounting piece, the detection mounting piece is used for collecting oil products to be detected, a flash point control piece is installed on the elastic supporting piece, the flash point control piece is used for preventing evaporation and diffusion, a limiting control piece is inserted into the detection mounting piece, the limiting control piece is used for limiting the flash point control piece, an overflow part is installed on the detection mounting piece, and the overflow part is used for guiding oil liquid; the flash point control piece can be used to automatically control the suction of oil products and the heating and evaporation of the steam, and only when the ignition rod passes through the oil pot, the oil pot can normally generate steam to perform flash point testing, so that the problem that the current oil product online detection device is not convenient for automatically controlling the prevention of steam volatilization and diffusion when non-testing is solved.

The utility model provides a flash point determinator with an automatic dry powder extinguishing device, which comprises a flash point determinator, the flash point determinator comprises a determination table, the rear side of the determination table is provided with a rear side plate, the left side of the determination table is provided with a left side plate, the right side of the determination table is provided with a right side plate, and the determination table is provided with an experiment cup. A fire extinguishing device is arranged above the position, opposite to the experiment cup, of the left side plate, the fire extinguishing device comprises a fire source sensor and a shell, a circuit board is arranged in the shell, and a plurality of probes are connected to the side, opposite to the experiment cup, of the circuit board in a circumferential array mode; the signal output end of the fire source sensor is electrically connected with the signal input end of a programmable logic controller, and the signal output end of the programmable logic controller is electrically connected with a starting valve of a dry powder extinguisher. According to the utility model, the fire extinguishing device can be utilized to quickly and effectively extinguish fire when the experiment cup is on fire or boils over and flows during flash point analysis, the automation degree is high, and the harm caused by fire disasters is reduced as much as possible.

The invention relates to the technical field of cleaning agent detection, and discloses an aviation cleaning agent detection device and a detection method.The aviation cleaning agent detection device comprises a heating plate, a liquid storage cup, an igniter and a flash point detector and further comprises a detection adjusting mechanism, and the detection adjusting mechanism is installed in the liquid storage cup; the detection adjusting mechanism comprises a bottom tray, a positioning ring, a heating layer and an outer cover plate which are movably stacked from bottom to top; the detection adjusting mechanism further comprises a movable shaft penetrating through the bottom tray, the positioning ring, the heating layer and the outer cover plate. The detection adjusting mechanism is arranged and comprises a bottom tray, a positioning ring, a heating layer and an outer cover plate, so that different detection states of the detection device can be conveniently adjusted, the most direct open flash point detection can be conveniently carried out, the flash point detection under the use state of the aviation cleaning agent can be conveniently simulated, the flash point detection under various states can be conveniently carried out, and the detection efficiency is improved. The problem of single detection result can be avoided through the combination of various forms, so that the flash point detection diversity and the flash point detection accuracy of the device are effectively improved.

A device for a flash point: determination and / or combustion point determination of a liquid sample which is receivable in a container and for a flame detection is described, comprising: a container reception for receiving the container; an infrared sensor which is arranged to detect light which is generated by a flame in a region around or within the container; an evaluation system which is coupled with the infrared sensor and is configured to evaluate infrared sensor data of the infrared sensor, to indicate a fire or a burn based on the evaluation.

The present application provides a method and device for determining the flash point decay value of diesel, which belongs to the field of oil pipeline transportation technology. The method includes: determining the amount of diesel and the transportation pipeline of diesel; determining the first flash point value of diesel after being transported through the transportation pipeline when there is no gasoline tail oil in the transportation pipeline; determining the first volume ratio corresponding to the first flash point value according to the mapping relationship between the flash point value of diesel and the volume ratio of gasoline allowed to be mixed; determining the second volume ratio based on the amount of gasoline tail oil and diesel in the transportation pipeline; determining the difference between the first volume ratio and the second volume ratio as the third volume ratio; determining the second flash point value corresponding to the third volume ratio according to the mapping relationship; determining the difference between the third flash point value and the second flash point value of diesel before transportation as the flash point decay value. The above method can ensure the accuracy of the determined flash point decay value of diesel.

The invention relates to the technical field of petroleum detection, in particular to a petroleum sample flash point detector which comprises a first shell, a controller, a touch display screen, an electric heating furnace, a ventilation opening and a second shell, the controller is arranged at the top end of the first shell, the touch display screen is arranged on the controller, the ventilation opening is formed in the front end of the first shell, and the electric heating furnace is arranged in the second shell. A second shell is arranged at the top end of the first shell, the second shell is in a concave shape, the double-station temperature measuring assembly is arranged on the second shell, the ignition assembly is arranged on the second shell, the heat dissipation assembly is arranged on the first shell, the oil cup assembly is arranged on the second shell, and the heat dissipation assembly is arranged on the oil cup assembly. The number of the oil cup assemblies is two. According to the oil product detection device, the heat dissipation assembly rapidly cools the first temperature measurement assembly of the double-station temperature measurement assembly, oil product wiping is conducted on the first temperature measurement assembly after cooling is completed, meanwhile, the cooling assembly cools the first oil product assembly, the oil product detection efficiency is improved, and meanwhile electric energy resources are saved.

The utility model relates to the field of oil detection, in particular to an oil quality comprehensive detector, which is characterized in that a viscosity detection module, a moisture detection module, a flash point detection module, a micro oil pump and a control valve are arranged in a case; one end of the micro oil pump is connected with the control valve, and the other end is connected with an external oil sample bottle; the control valve is respectively connected with the viscosity detection module and the moisture detection module; an oil inlet and an oil outlet are formed in a case body of the case, the micro oil pump is connected with an external oil sample bottle through the oil inlet, and the viscosity detection module is connected with the external oil sample bottle through the oil outlet. The oil sample comprehensive detection device integrates the viscosity detection module, the moisture detection module and the flash point detection module, is compact in structure and convenient to carry, and can rapidly and conveniently carry out oil sample comprehensive or independent detection. The oil viscosity is detected through a falling ball method, and compared with traditional capillary detection, the applicable viscosity range is wider, and the adaptability is better. The moisture detection adopts a chemical detection principle, is more accurate and is not easy to interfere.

The invention discloses a method for evaluating the aging performance of flame-retardant insulating oil, and relates to the technical field of performance evaluation of insulating materials of power equipment, and the method comprises the following steps: S1, sample preparation; s2, a sequential coupling aging test: sequentially performing an accelerated thermal aging test and a disruptive discharge aging test on the flame-retardant insulating oil sample; s3, performance parameter testing and characteristic rule identification: testing a flash point, a breakdown voltage, a dielectric loss factor tan delta and an acid value of the sample at different stages of the sequential coupling aging test; analyzing an evolution rule of a flash point along with thermal aging time, change characteristics of a breakdown voltage in thermal aging and breakdown discharge aging processes, and change trends of a dielectric loss factor and an acid value; and S4, comprehensive performance and service life evaluation. According to the invention, through a sequential coupling aging test, a complex working condition of a thermal-electric stress synergistic effect in the transformer is comprehensively simulated, and the limitation of a traditional single aging mode is overcome.

The utility model provides a pressure calibration device for a closed-cup flash point instrument, which belongs to the field of flash point instruments and comprises a flash point instrument body, the flash point instrument body comprises a mechanical arm and a sealing cover, the mechanical arm is mounted on the flash point instrument body and is connected with the flash point instrument body in a matched manner, and the sealing cover is mounted at the bottom end of the mechanical arm and is connected with the mechanical arm in a matched manner; and the adjusting assembly comprises an air pump, a connecting pipe, an electromagnetic valve and a pressurizing pipe. The adjusting assembly is arranged, pressure can be automatically calibrated, working efficiency and adjusting precision are improved, abrasion is not prone to being caused, accuracy and stability are further improved, the dustproof assembly and the cleaning assembly are further arranged, dust can be automatically collected, a dustproof net can be automatically cleaned, and the working efficiency and the adjusting precision are improved. Dust is prevented from entering the flash point instrument body to influence the work of the flash point instrument body, and practicability is improved.

The utility model relates to the field of liquid flash point testing device design, and discloses a liquid flash point tester which comprises a machine body, a drying pump is fixedly connected to the upper portion of the machine body, a check valve is fixedly connected to one side of the drying pump, an operation table is arranged on the front side of the machine body, and a cooling fan is fixedly connected to the rear side of the machine body. A water tank is slidably connected to the interior of the machine body, a connecting block is fixedly connected to the outer side of the water tank, an observation window is arranged in the middle of the machine body, a circulating box is fixedly connected to the interior of the machine body, an input pipe is fixedly connected to the upper portion of the circulating box, an output pipe is fixedly connected to one side of the circulating box, and a valve is arranged in the output pipe. And a water pump is fixedly connected into the machine body. According to the water cooling device, through cooperation of the water pump, the circulating water pipe, the cooling fan, the circulating box, the input pipe and the quantifying assembly, rapid water cooling is achieved, and through cooperation of the disassembling assembly and the handle, the water tank can be conveniently disassembled to be cleaned.

The utility model relates to flash point tester technical field, specifically is a kind of oil cup structure of flash point tester, including annular reinforcing rib one side top portion is provided with shaft head, the cup handle subassembly includes fixed arm and movable arm, the clamping end of fixed arm is located annular reinforcing rib top portion, the clamping end of movable arm is located annular reinforcing rib bottom portion.The assembly of brass cup and cup handle subassembly, realize to provide a set of oil cup structure with good convenient use for flash point tester, through the design of rotatable cup handle subassembly, cup handle subassembly can be rotated when necessary, the angle between cup handle subassembly and brass cup is reduced, cup handle subassembly generates certain storage, to reduce the occupied space of overall oil cup, significantly reduce the storage and transportation space of oil cup, especially suitable for laboratory equipment dense scene.

The invention relates to the technical field of detection, and discloses a purity detection device for lubricating oil production, which comprises a detection mechanism, the detection mechanism comprises a support frame, the outer wall of the support frame is fixedly connected with support legs, and the top of the support frame is fixedly connected with a glass tube. A first connecting block is fixedly connected to the end, away from the supporting frame, of the glass tube, a liquid inlet tube is fixedly connected to the top of the first connecting block, and a second fixing rod is fixedly connected to the top of the first connecting block. Different areas and depths in the lubricating oil storage device can be sampled through the sampling mechanism, so that errors of a detection result caused by a single sampling point are avoided, and meanwhile, when the purity of the lubricating oil is detected, a viscosity detector, a flash point tester and a detection light source are used for detecting the appearance of the lubricating oil in a glass tube. Therefore, the accuracy of lubricating oil purity detection results is improved.

The invention provides a real-time closed-cup flash point prediction method based on a trace distillation range measuring device, and relates to the technical field of distillation ranges and flash point tests.The method comprises the following steps that a preorder distillation range temperature set is obtained in real time, and the preorder distillation range temperature set comprises initial steam temperatures corresponding to a plurality of preset recovery volume percentage nodes; the steam pressure and the liquid temperature are obtained in real time to obtain the steam pressure change rate and the liquid temperature change gradient, and then the heat capacity disturbance factor of the device is calculated; correcting each initial steam temperature in the preorder distillation range temperature group in real time by using a heat capacity disturbance factor to obtain a corresponding first corrected steam temperature; and calculating and predicting the closed-cup flash point through linear weighting calculation of each first corrected steam temperature based on a weight distribution relation pre-established by the test steam temperature of the preset recovery volume percentage node and the linear correlation characteristic of the closed-cup flash point. According to the method, the closed-cup flash point is predicted while the distillation range is measured, and time and samples are remarkably saved.

The utility model provides a detector for quickly detecting a flash point, which comprises an experiment cup, a connecting mechanism and a heat insulation sleeve are respectively arranged on the outer side of the experiment cup, a top cover is arranged at the top of the experiment cup, and a stirring mechanism, a temperature display panel, a gas outlet pipe and a gas nozzle are respectively arranged at the top of the top cover. A heating rod is arranged at the bottom of the top cover, and a temperature sensing probe is arranged at the bottom of the temperature display panel. The detector for rapidly detecting the flash point provided by the utility model solves the problems that although an existing device achieves the purpose of detecting the flash point of lubricating oil, stirring blades in the device are inconvenient to disassemble, so that a heating pipe and the stirring blades need to be integrally replaced when the stirring blades are damaged after long-term use, and the cost is high. And the use cost is greatly improved.

The invention belongs to the technical field of asphalt flash point detection, and particularly relates to an asphalt flash point detection device and a method thereof.The top of a storage barrel is provided with a first barrel cover, the first barrel cover is provided with an ignition part, and the ignition part is used for being inserted into the storage barrel and used for igniting heated materials in the storage barrel; an air storage tank is installed at the top of the first barrel cover, a first air extracting pump is installed on the side edge of the air storage tank and used for extracting outside air into the air storage tank, and a humidifying part is installed in the air storage tank; through cooperative use of the humidifying part and the heating plate in the air storage tank and the temperature sensor and the humidity sensor, the air temperature and humidity conditions required by detection can be accurately adjusted and maintained, so that a scene closer to an actual use environment is simulated, and the accuracy and reliability of asphalt flash point detection are improved. The precise environment control capability is beneficial for reducing detection errors caused by environment factors and improving the reference value of a detection result.

The invention discloses a safety performance evaluation method for a cooling liquid. The method comprises the following steps: measuring the flash point temperature and the ignition point temperature of the cooling liquid; respectively adjusting the measured flash point temperature and ignition point temperature of the cooling liquid to temperatures under standard atmospheric pressure to obtain a cooling liquid standard flash point temperature and a cooling liquid standard ignition point temperature corresponding to the cooling liquid; obtaining a mixture of the cooling liquid and the electrolyte; the flash point temperature and the ignition point temperature of the mixture are measured, the measured flash point temperature and the measured ignition point temperature of the mixture are adjusted to the temperature under the standard atmospheric pressure, and the mixture standard flash point temperature and the mixture standard ignition point temperature corresponding to the mixture are obtained; and evaluating the influence of electrolyte leakage on the safety performance of the cooling liquid based on the standard flash point temperature of the cooling liquid, the standard ignition point temperature of the cooling liquid, the standard flash point temperature of the mixture and the standard ignition point temperature of the mixture. According to the safety performance evaluation scheme of the cooling liquid, the influence of electrolyte leakage on the safety performance of the cooling liquid can be accurately evaluated, and an important technical support is provided for design and operation of an energy storage system.

The invention relates to the technical field of flash point tests, and discloses a closed-cup flash point tester for preparing a diesel oil anti-wear agent, the closed-cup flash point tester comprises an instrument, the instrument is provided with a swing arm, the bottom of the swing arm is provided with a cover plate, and the cover plate is provided with an ignition assembly and a stirring assembly. Through cooperation of the extending limiting plate and the lifting assembly, the situation that the measuring cup excessively ascends to collide with the stirring assembly due to misoperation of workers in the whole taking-out process is avoided, materials in the measuring cup are prevented from being spilled out, the stirring assembly can be protected, the stirring assembly is prevented from being cracked up, and by lifting the bottom of the measuring cup, the measuring cup can be taken out conveniently. The bottom of the measuring cup does not make contact with an instrument, dust is prevented from being attached to the instrument, the bottom of the measuring cup is clean in the subsequent heating process, the situation that dust is burnt in the heating process is avoided, dust falling when a ball in the lifting assembly is put away can be collected, and the falling dust can be prevented from entering a heating groove.

The utility model relates to the field of petroleum detection instruments, in particular to an automatic detection device for a micro-flash point measurer, which comprises a square-barrel-shaped bottom plate placed on a workbench, a left side plate and a right side plate fixedly connected with the bottom plate, parallel to each other and perpendicular to the bottom plate, and the top end of the left side plate is higher than the right side plate. A top plate is arranged above the bottom plate, an embedding hole is formed in the top plate, a cup cover is fixedly connected in the embedding hole, a lifting plate is arranged between the top plate and the bottom plate, the lifting plate is connected with a lifting assembly, the lifting assembly is connected to the left side plate, and the lifting assembly drives the lifting plate to reciprocate between the bottom plate and the top plate; a sample cup is placed on the lifting plate and is aligned to the cup cover, so that the effects of preventing the cup cover from generating a gap between the sample cup and the cup cover and improving the connection and closing tightness between the cup cover and the sample cup are achieved.

An industrial process vessel isolator monitoring system for monitoring an isolated section of a process vessel containing process material includes one or more condition sensors and a controller. The condition sensor is configured to sense at least one environmental condition, such as temperature, humidity, humidity, and / or chemical composition, and generate a condition output indicative of the corresponding sensed condition. The controller is configured to detect at least one segment condition related to the isolated segment based on the condition output and generate condition information related to the at least one detected segment condition. Examples of segment conditions include thermal resistance of the isolator of the isolated segment, damage or degradation of the isolator of the isolated segment, corrosion of the process vessel at the isolated segment, conditions that promote corrosion of the process vessel, and moisture intrusion into the isolator.

The invention belongs to the technical field of flash point testers, and discloses an open flash point tester for preparing defoaming agents, comprising a box body, wherein a fixed plate is fixedly connected to the middle part of the upper end of the box body, a limiting sleeve and a fixed frame are fixedly connected to the bottom end of the fixed plate, the fixed frame is located on the outside of the limiting sleeve, a Y-shaped mounting frame is slidably connected to the bottom end of the fixed plate, a limiting arc plate is installed on the Y-shaped mounting frame, a spring telescopic rod is fixedly connected between opposite surfaces of adjacent Y-shaped mounting frames, an L-shaped sliding frame is slidably connected to the bottom end of the middle part of the fixed frame, the L-shaped sliding frame is connected to the Y-shaped sliding frame through a first shock absorber, a limiting spring rod is fixedly connected between opposite surfaces of adjacent Y-shaped sliding frames, the inner side surface of the Y-shaped sliding frame is rotatably connected to the limiting roller, and a driving motor is fixedly connected to the bottom end of the front Y-shaped sliding frame. The invention solves the problems of uneven heating of a handle-type oil cup and incomplete positioning and fixing of the oil cup.

The utility model relates to the technical field of flash point instruments, and discloses an automatic low-temperature balance flash point instrument which comprises a flash point instrument body and an unlocking assembly, the unlocking assembly is arranged in the flash point instrument body, a disc cover is arranged in a groove in the top of the flash point instrument body, an igniter is installed at the top of the flash point instrument body, and the flash point instrument body is connected with the disc cover. A stabilizing assembly is arranged at the top of the flash point instrument body and is used for keeping the state of the disc cover stable during an experiment; the stabilizing assembly comprises a mounting groove, and the bottom of the mounting groove is fixedly connected to the top of the flash point instrument body. According to the utility model, experimental materials are put into the disc cover, the L-shaped rotating plate is rotated to separate the clamping block from the clamping hole, and the L-shaped limiting block quickly moves to press the top of the disc cover under the elastic force of the spring, so that the disc cover is prevented from shaking due to material combustion and the like in an experiment, and the experiment stability is prevented from being influenced; operators can select two modes for free switching according to actual needs, so that the use flexibility of the whole equipment is better.

The utility model relates to lubricating oil testing equipment technical field, and specifically discloses a kind of lubricating oil flash point tester, including test cylinder, rotating installation is equipped with mounting shaft in the test cylinder, several electric heating rods are installed in mounting shaft outer wall, electric heating rod end is equipped with scraper, and the side of scraper away from mounting shaft is equipped with wiping sponge, and wiping sponge is contacted with test cylinder inner wall.This utility model utilizes wiping sponge and test cylinder inner wall contact, and wiping sponge rotation and test cylinder inner wall produce friction, i.e., can utilize wiping sponge to clean the liquid for oil dirt to be applied in test cylinder inner wall at the same time using wiping sponge to clean the lubricating oil that test cylinder inner wall residual carries out cleaning processing, and then can be convenient for the lubricating oil that test cylinder inner wall residual carries out cleaning processing, guarantee the cleanness of test cylinder inner wall, guarantee test cylinder next time use is in clean state.

The invention discloses an oil product online detection device, and relates to the technical field of oil product detection. Comprising a detection installation part, an elastic supporting part is installed on the detection installation part, and the detection installation part is used for collecting oil products to be detected; a flash point control piece is mounted on the elastic supporting piece; the flash point control piece is used for preventing evaporation diffusion; a limiting control piece is inserted into the detection mounting piece; the limiting control piece is used for limiting the flash point control piece; an overflow part is mounted on the detection mounting piece; the overflow part is used for draining oil liquid; the flash point control piece can be matched with the suction mounting ring to automatically control and suck steam generated by heating and evaporating an oil product, and when a flash point test is carried out, the oil pot can normally generate steam to carry out the flash point test only when an ignition rod passes through the oil pot; the problem that an existing oil product on-line detection device is inconvenient to automatically control steam volatilization and diffusion during non-test is solved.

The utility model relates to the technical field of fuel oil flash point detection, in particular to a fuel oil flash point detector which comprises a working table, a limiting mechanism is fixedly connected to the middle of the upper end of the working table, an experiment cup is connected in the limiting mechanism in a clamped mode, and an igniter is arranged on one side of the limiting mechanism. A limiting mechanism is arranged on one side of the workbench, a stirring mechanism is arranged on the other side of the limiting mechanism, a thermometer is connected to the upper end of the stirring mechanism in a penetrating mode, an L-shaped fixing strip is fixedly connected to the side, close to the stirring mechanism, of the workbench, a limiting ring is fixedly connected to the end, away from the workbench, of the L-shaped fixing strip, and anti-skid pads are fixedly connected to the four corners of the lower end of the workbench. According to the fuel oil flash point detector, fuel oil in the experiment cup can be stirred, the temperature in the fuel oil can be uniform, the fuel oil flash point detection efficiency can be improved, and the stability of the experiment cup can be improved when the fuel oil in the experiment cup is stirred.

The invention relates to a gas-electricity integrated ignition head device for an automatic flash point tester and a control method thereof.The gas-electricity integrated ignition head device comprises an ignition head and a control system, the ignition head comprises an alundum tube, a thermocouple, a gas ignition needle and a silicon nitride ignition head, and four through holes are evenly distributed in the alundum tube; two wires of the thermocouple, the fuel gas ignition needle and the silicon oxide ignition head are respectively inserted into four through holes of the alundum tube and are fixed, the silicon oxide ignition head and the fuel gas ignition needle are on the same horizontal plane, a temperature sensing point of the thermocouple is 5 mm above the fuel gas ignition needle, and combustible gas is guided into the tail end of the fuel gas ignition needle through a gas guide tube. An electromagnetic valve and a fine adjustment needle valve are connected to the gas guide pipe in series, the silicon nitride ignition head is connected into a direct-current power source and connected with a normally-open relay in series, and the electromagnetic valve, the normally-open relay and the thermocouple are all electrically connected with the control system. Automatic free switching between gas ignition and electronic ignition can be achieved, and the flame size and the electronic ignition aging degree can be detected.