26 results about "Flash point" patented technology

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 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.

An embodiment provides: a foaming agent composition comprising a foaming agent having a flash point of less than 50°C and an ignition inhibitor, wherein the foaming agent composition has a flash point of 100°C or higher or the flash point is not measured; and a polyurethane resin composition comprising an isocyanate component, an isocyanate-reactive component having reactivity with the isocyanate component, and the foaming agent composition.

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.

This utility model discloses a liquid fuel oil gasification burner head, including an outer shell, an inner liner, a multi-layered sleeve-type gasification core, and a high-pressure ignition needle. The inner liner is nested inside the outer shell to form a U-shaped annular sealed space, and the inner liner wall is provided with upwardly inclined air injection holes. The core is vertically arranged at the center of the inner liner and consists of an inner thin tube, a middle coarse tube, and an outer conical sleeve, forming a two-stage oil passage: the inner thin tube and the middle coarse tube form a first oil passage, and the outer conical sleeve and the middle coarse tube form a second oil passage. An oil outlet is opened at the bottom of the outer conical sleeve, and the tube wall is provided with upwardly inclined air holes. The tip of the high-pressure ignition needle is directly opposite the oil outlet. The technical solution of this utility model can extend the heating path of fuel oil through the multi-layered sleeve, realize the complete gasification of high / low flash point fuel oil (such as ethylene glycol, light white oil, alcohol-based fuels, etc.), and solve the problems of traditional burners not being able to achieve small-flame combustion, incomplete combustion, and black smoke after ignition and shutdown.

Stirring device for stirring a sample in a container which is closable by a lid, for a flash point determination test and / or combustion point determination test, wherein the stirring device comprises a stirring unit which may extend at least partially through the lid for stirring the sample which is arranged in the container, a drive unit which is to be arranged at least partially outside of the lid, for driving, in particular rotationally driving, the stirring unit, a coupling unit for coupling the stirring unit with the drive unit, and an actuation unit which, in particular for adjusting the coupling unit, is actuatable such that selectively in a first actuation position, when pulling up the drive unit, the lid is detachable from the container commonly with the stirring device, or in a second actuation position, when pulling up the drive unit, the drive unit is detachable from the container, and the stirring unit and the lid remain at the container.

The utility model relates to a rapid cooling device of a closed-cup flash point detection instrument, which comprises a shell (2), more than two cooling tanks (1) are arranged at the upper part of the shell (2), a through ice injection port (3) is arranged beside the cooling tanks (1), a water outlet (4) is arranged at the bottom of the shell (2), the cooling tanks (1) are not communicated, cooling cups are arranged in the cooling tanks (1), and the water outlet (4) is arranged at the bottom of the shell (2). High-temperature oil needing to be cooled after an experiment is finished is contained in the cooling cup, an ice containing cavity (5) for containing ice is formed in the shell (2), and the cooling groove (1) is not communicated with the ice containing cavity (5). By means of the design that the cooling grooves are isolated from the ice containing cavity, the cooling cups containing the high-temperature oil are arranged in the cooling grooves, ice blocks are added into the ice containing cavity from the ice injection openings, the high-temperature oil can be rapidly cooled, the cooling grooves are not communicated with one another, mutual influence is avoided, and molten ice water can be conveniently drained through the water drainage openings.

A process for the explosion-proof storage of nitrous oxide in the liquid phase in a container comprising filling the container with nitrous oxide and an inert component selected from nitrogen, oxygen, carbon dioxide, water, argon, helium, krypton, xenon and mixtures thereof, and keeping it at a temperature of 190 to 273 K, wherein (i) the container has in all three spatial directions an inner distance between two opposite interior walls of ≥10 cm, (ii) the concentration of the inert components comprises 2 to 20 wt.-% in total, based on the nitrous oxide in the liquid phase, and (iii) compounds selected from—gases having a flammable range with air at 293.15 K and 101.3 kPa abs,—liquids having a flash point of ≤366.15 K at 101.3 kPa abs, and—mixtures thereof are kept at 0 to 2 wt.-% in total, based on the nitrous oxide in the liquid phase.

The invention belongs to the technical field of mixed explosive preparation, relates to a preparation method of special coal-based synthetic oil for mixed explosives, and belongs to the technical field of coal-based liquid fuel and explosive auxiliary materials. According to the method, the coal-based synthetic oil with proper viscosity, high flash point, good low-temperature fluidity, excellent oxidation stability and good compatibility with ammonium nitrate is prepared through specific coal liquefaction, hydrofining, isomerization and component blending processes. The product can safely and efficiently replace traditional diesel oil to be applied to on-site mixed loading explosives, has the characteristics of controllable performance, controllable cost and high adaptability, and can effectively solve the problems of property fluctuation, potential safety hazards, poor environmental adaptability and the like when the traditional diesel oil is used as a fuel phase of the mixed loading explosives.

The application discloses a high-flash-point diluent dispersing device and a dispersing method thereof, which comprises a liquid inlet, a fixing ring, a supporting frame, a hose, a hard pipe, a discharge pipe and a spherical pipe. The high-flash-point diluent is uniformly mixed and dispersed through multiple modes in a coordinated and synchronous manner, the dispersing effect is improved, the diluent is transported in an uninterrupted flow mode, and the dispersing operation is performed in the process, so that the overall efficiency is improved. The dispersing modes include spreading flow, spraying, pushing and pulling and stirring, and each mode is realized through a diluent flow matching device structure, without the need of adding various equipment.

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 invention relates to the field of electrochemical energy storage devices, and discloses an electrolyte of a flame-retardant high-power electric double-layer capacitor suitable for an energy storage scene and an electric double-layer capacitor containing the electrolyte, and the electrolyte comprises a liquid-phase flame retardant, a gas-phase flame retardant, a diluent and an optional additive besides a solvent and an electrolyte salt which form the electrolyte; wherein the liquid-phase flame retardant is a macromolecular fluorinated siloxane compound with a silicon-oxygen six-membered ring or eight-membered ring as a skeleton; the gas phase flame retardant is a halogenated phosphazene alkane compound; the diluent is a fluorinated ether diluent; and the additive is a silazane additive. According to the electrolyte, through collaborative design of a gas-liquid two-phase flame-retardant system, the potential safety hazards that an existing acetonitrile-based electrolyte is low in flash point and prone to jetting combustion due to thermal runaway are greatly solved, high safety, long service life and high energy density are guaranteed, and meanwhile the economical efficiency of large-scale mass production and process feasibility are achieved; the method is especially suitable for large-scale energy storage scenes with strict safety requirements.

This invention provides a high-calorific-value, high-flash-point bio-liquid fuel and its preparation method, comprising the following raw materials: bio-based butanol, ethylene glycol, dimethyl carbonate, butanone, cyclohexylamine carbonate, and methyl acetate, in the following mass percentage proportions: bio-based butanol 60-75%, ethylene glycol 5-10%, dimethyl carbonate 15-20%, butanone 0.5-1.0%, cyclohexylamine carbonate 2.0%-6.0%, and methyl acetate 5-10%. The high-calorific-value, high-flash-point bio-liquid fuel and its preparation method provided by this invention have the characteristics of high calorific value, high flash point, high freezing point, stable flame combustion, clean and smokeless operation, and high safety in storage tank transportation and use.

The invention discloses a novel water-based integrated fuel, and relates to the technical field of liquid fuels. The water-based fuel reaches an oil-in-water state by adding a water-oil solvation agent and high-shear emulsification dispersion, water and oil are mixed into a whole, and an additive for increasing the heat value is added, so that the water-based fuel reaches a relatively high heat value, thereby being capable of meeting the requirements of kitchens and boilers, and being more environment-friendly than environment-friendly oil and liquefied gas. Diesel oil and other fuels are safer and cleaner, and cost is saved. The closed-cup flash point of the product is more than 100, black smoke and residues are avoided after combustion, and the calorific value can be 7 thousand to 11 thousand calories. The product has a high flash point and is difficult to ignite by open fire, so that the product can be used only by matching with a special gas appliance. The method is also designed, produced and provided by the company. In the production process of the product, the feeding sequence of various substances must be strictly executed, the emulsifying and dispersing time must be timed and quantified, and the product can be produced until the product is transparent and not layered.

The invention provides a preparation method of low-flash-point cover plate AG glass and the AG glass. On the basis of existing equipment, a two-step chemical etching process is adopted, in the first step, the glass surface is frosted and etched to form a certain primary pit structure and lay a basic particle size, in the second step, the rough surface is subjected to secondary frosting and etching, the rough surface is refined, and a finer pit structure is formed; and the particle size is homogenized, the flash point is obviously reduced, and an AG product with low flash point, high definition and high roughness is produced.

The application provides a fuel efficiency improver and a preparation method thereof, and relates to the field of fuel additives, and comprises the following raw materials in proportion by weight: isopropyl alcohol 7000-7600 parts, butyl ether 2100-2500 parts, isooctanol 180-580 parts, ferrocene 2-10 parts, glyceride 2-6 parts, sodium sulfate 1-3 parts, cationic active agent 2-6 parts and anionic active agent 2-6 parts. The fuel efficiency improver not only has the effects of cleaning carbon deposition and reducing exhaust pollution, but also can change the tension of fuel, control the flash point of fuel, make fuel burn fully, improve the power of fuel and greatly improve the oil saving rate.

This invention belongs to the field of fuel stove technology and provides a safe, environmentally friendly, and energy-saving stove with a powder-sintered core for high flash point alcohol oil. The stove includes a table, a cooking utensil support, a core, and an oil filling sight glass. By eliminating asbestos and metal mesh, the burner head uses nickel-based alloy powder sintered at high temperatures, which is heat-resistant and wear-free, eliminating the need for frequent replacements. Combustion produces no odor, volatiles, or dust. The ceramic fiber oil-absorbing cotton does not accumulate moisture, making re-ignition convenient. Flame adjustment does not require adding or removing the cotton core; precise flame control is achieved by adjusting the air intake ring with an adjustment rod. The burner head's micron-level pores and air chamber work together to achieve a uniform supply of alcohol oil in a small amount, preventing excessive absorption, ensuring complete combustion, saving oil, and eliminating carbon buildup. Furthermore, in the event of accidental flameout, no high-temperature metal mesh remains, and the alcohol oil does not evaporate, producing any odor. This invention balances environmental protection and user experience, and is suitable for the combustion requirements of high flash point alcohol oil.

The application discloses a multifunctional modified mutual solvent for alcohol ether fuel and a preparation method thereof, and belongs to the technical field of fuel additives. The application aims at solving the problems of poor mutual solubility, strong corrosion to metal parts, difficult low-temperature starting and poor storage stability of the existing alcohol ether fuel mutual solvent. The modified mutual solvent is composed of the following raw materials in parts by weight: mutual solubility main agent 45-65 parts, corrosion-resistant composite agent 15-25 parts, low-temperature starting composite agent 8-18 parts and synergistic stabilizer 5-12 parts. The product of the application is mutually soluble and stable in a wide temperature range of-30 DEG C to 40 DEG C, the copper sheet corrosion reaches 1 a grade, the cold starting time at-30 DEG C is less than or equal to 3.5 seconds, the performance attenuation after storage for 6 months is less than or equal to 15%, the flash point is increased by more than 10 DEG C, and the comprehensive performance is significantly better than that of the prior art.

The utility model relates to the technical field of pesticide preparation testing, in particular to a pesticide preparation flash point testing system which comprises a flash point testing box, a base is arranged at the bottom end of the flash point testing box, a flame generator is arranged on one side of the top end of the flash point testing box, heat dissipation holes are formed in the side face of the flash point testing box, and an air inlet is formed in the other side of the flash point testing box. A cooling fan is arranged in the air inlet, threaded rods are arranged at the two ends in the flash point testing box, after a pesticide preparation flash point test is completed, the pump body and the cooling fan are started at the same time, the cooling fan can blow air into the flash point testing box, and flowing of air in the flash point testing box is accelerated; meanwhile, cold water in the water tank is pumped into the coiled pipe by the pump body, cold air is generated at the coiled pipe at the moment, the cold air is blown into the flash point testing box by the cooling fan, and the loading cup in the container is cooled and cooled, so that the loading cup is rapidly cooled, the cooled loading cup can be rapidly taken out, the detection efficiency is improved, and the practicability is higher.

A marine fuel oil composition is disclosed. The marine fuel oil composition comprises an acid number of less than about 2.5 mg KOH / g, a flash point temperature greater than about 140°F, and an oxygen concentration of at least about 2 wt%. Further, a process for producing marine fuel oil is disclosed.

The utility model relates to the technical field of flash point experiment, disclose a kind of ignition device of oil product flash point test, including: the sample jar body of installation in testing machine, and the cover body of being arranged above sample jar body, the sealing of can body is carried out oil product flash point test;Ignition mechanism is arranged on the upper surface of cover body, and the aperture of being opened on the upper surface of cover body is passed through for ignition mechanism;Through the cooperation between ignition mechanism and movable sealing mechanism, the up-down sliding displacement of ignition part can be accurately controlled by driving part, and the position of ignition part is monitored in real time, ensure the accuracy of ignition position, it is convenient to accurately ignite sample steam, improve the reliability of ignition and the repeatability of test, movable sealing mechanism can be opened when ignition part is inserted into sample jar body, and after ignition part is extracted, sample jar body is closed, to guarantee the environment of sealing carries out flash point test, improve the accuracy of the result of flash point test.

The utility model discloses an insulating paint flash point detection device which comprises a base, a detection cup is installed at the top of one side of the base, a hydraulic rod is installed at the top of the other side of the base, and a top frame is installed at the top end of the hydraulic rod. According to the insulating paint flash point detection device, when the flash point detection device needs to be used, a hydraulic rod drives a sealing cover to move downwards through a top frame, a detection cup is opened, to-be-detected insulating paint is injected into the detection cup, then the sealing cover seals the detection cup, the insulating paint is heated through a heater, the temperature of the insulating paint is gradually increased, and the flash point of the insulating paint is detected. The temperature of the insulating paint is monitored through the temperature sensor, continuous ignition is conducted through the electric igniter, the flash point of the insulating paint is detected, the electric igniter, the heater, the temperature sensor and the like are integrated to the sealing cover, the detection cup and the base are detachably connected, and therefore the detection cup can be detached and cleaned; therefore, the detection cup can be cleaned.

The application discloses a multi-effect flame retardant, a high-flash-point fireproof coating and a preparation method thereof, and belongs to the technical field of fireproof coatings. The high-flash-point fireproof coating comprises the following components in mass fractions: 100-120 parts of polyether polyol, 70-90 parts of isocyanate, 10-25 parts of multi-effect flame retardant, 2-5 parts of catalyst, 5-12 parts of defoaming agent and 5-15 parts of flame-retardant auxiliary agent. The multi-effect flame retardant is prepared from hexachlorocyclotriphosphazene and 3-bromo-4-chloroaniline. The multi-effect flame retardant is used to synergistically improve the fireproof effect of the polyurethane fireproof coating by virtue of multiple flame-retardant effects, and the prepared fireproof coating has good flame-retardant effect and high flash point.

The utility model relates to the technical field of flash point detection, in particular to a cooling device for a flash point instrument heating furnace. The device comprises an air blowing cylinder erected above a flash point instrument heating furnace, and a fan fixedly connected to the interior of the air blowing cylinder, wherein a cooling assembly for cooling is arranged at the downstream of the fan; a plurality of supporting legs are fixedly connected to the circumferential wall of the air blowing cylinder and are arranged at equal intervals in the circumferential direction of the air blowing cylinder. The fan of the device can accelerate heat exchange and take away heat on the heating furnace, the cooling assembly refrigerates, the temperature of the heating furnace can be further reduced, the fan and the cooling assembly act at the same time, the instrument cooling time is greatly shortened, and workers can conveniently carry out next flash point measurement; the device can adjust the transverse length of the supporting legs according to the diameter of the heating furnace, and can be suitable for different types of flash point instruments within a certain range.

The invention discloses a rapid balance cup closed-cup flash point tester, and relates to the technical field of flash point testers, the rapid balance cup closed-cup flash point tester comprises a tester main body, one side of the tester main body is provided with a display screen, the other side of the tester main body is provided with a lifting device, one end of the lifting device is fixedly connected with a cup cover, and the other end of the lifting device is fixedly connected with a handle. A cavity is formed in the detector main body, and a heating sleeve corresponding to the cup cover in position is mounted on the inner wall of the cavity. Firstly, the measuring cup is placed in the heating sleeve, then the cup cover is driven by the lifting device to move downwards to form sealing with the top of the measuring cup, then a proper amount of a to-be-detected sample is added into the measuring cup through the feeding pipe, the measuring cup is heated by the heating sleeve and is continuously ignited by the ignition device until a flash point is measured, and recording is performed. Then measurement waste liquid is guided out through the flow guide mechanism, and after the measurement cup is cleaned through the cleaning mechanism, the next detection can be carried out, so that the situation that the equipment needs to be manually cleaned due to multiple measurements is avoided.

The application relates to the technical field of flash point testing, in particular to a steam treatment device of an open flash point tester, which comprises a flash point detection structure, the outer side of the flash point detection structure is fixedly connected with a closed air-permeable structure; the inside of the closed air-permeable structure is provided with a flue gas sensor for detecting the flue gas content entering the inside of the closed air-permeable structure; the flash point detection structure comprises a detector, the right side of the detector is fixedly connected with a positive pressure processor for carrying out positive pressure blowing treatment on the inside of the detector; the detector comprises a base, the upper surface of the base is fixedly installed with a display screen and a sealed partition frame, the upper surface of the base is provided with a reactor, the middle part of the reactor is provided with a containing groove; through the setting of the closed air-permeable structure and the flash point detection structure, the technical problem that the volatilized oil testing is easy to be artificially absorbed to cause damage to the human body and thus the use effect of the oil testing intelligent open flash point testing device is reduced in the background art is solved.