19 results about "Smoke point" patented technology

The invention provides a heating and deodorizing device, cooking equipment, a cooking method and a self-cleaning method, the heating and deodorizing device comprises a hot air mechanism, a deodorizing mechanism and a control mechanism, a heat transfer flow path is constructed between the hot air mechanism and a cooking liner, and the deodorizing mechanism is connected with the control mechanism and is movably arranged on the heat transfer flow path under control; the control mechanism is used for adjusting the airflow interference area of the deodorizing mechanism. The cooking method comprises the step that the control mechanism drives the odor removal mechanism to move in the formal cooking stage so that the airflow interference area can be increased. The self-cleaning method comprises the following steps: when the internal temperature of the cooking liner is not higher than a preset smoke point, the control mechanism drives the deodorizing mechanism until the airflow interference area is equal to a preset lower limit value; when the internal temperature of the cooking liner is between a preset smoke point and a self-cleaning temperature, the control mechanism drives the odor removal mechanism until the airflow interference area is equal to a preset upper limit value; and when the internal temperature of the cooking liner is not lower than the self-cleaning temperature, the control mechanism drives the deodorizing mechanism until the airflow interference area is equal to a preset lower limit value.

The invention provides a preparation method of peanut oil, which is characterized by comprising the following steps: (1) providing degummed peanut oil A; (2) providing peanut oil B; (3) uniformly mixing the peanut oil A and the peanut oil B according to a mass ratio of 0.5: 9.5-2: 8, growing grains, and filtering to obtain the aromatic peanut oil; the peanut oil B is hot-pressed crude peanut oil. The product oil obtained by the method disclosed by the invention is rich in flavor, high in smoke point and good in oxidation resistance, and the method disclosed by the invention is high in productivity.

The invention relates to the field of chemical engineering, and discloses a production method of a high-smoke-point aviation kerosene product. The method comprises the following steps: (1) in the presence of hydrogen, carrying out gas-phase desulfurization reaction on an aviation kerosene raw material in a hydrodesulfurization reactor to obtain a gas-phase desulfurization reaction product; (2) the gas-phase desulfurization reaction product is subjected to gas-liquid separation, a gas-phase component and a liquid-phase component are obtained, and based on the total amount of the gas-phase desulfurization reaction product, the mass percentage of the liquid-phase component is 15-50%; (3) pressurizing the liquid-phase component, and then carrying out liquid-phase dearomatization reaction in a hydrodearomatization reactor to obtain a liquid-phase dearomatization reaction product; wherein the smoke point of the aviation kerosene raw material is 16-22 mm. According to the method, the aviation kerosene is used as a raw material to produce a high-smoke-point aviation kerosene product under a relatively mild process condition, meanwhile, the chemical reaction efficiency is also improved, and the energy consumption and the hydrogen consumption are reduced.

The utility model relates to the field of edible oil detection, and discloses a smoke point detection device for edible oil, which comprises a main body structure and a stirring structure: the main body structure comprises a detector, the front surface of the detector is provided with a working bin, the top end of the interior of the working bin is provided with a heating furnace, and a round vessel box is placed on the heating furnace; the stirring structure comprises a driving mechanism arranged at the top end in the working bin, and a disc located in the same vertical direction as the circle center of the vessel box is arranged at the bottom end of the driving mechanism. Under the action of the driving mechanism, the disc can be driven to drive the stirring rod to rotate, so that grease in the vessel box is stirred, and the grease can be uniformly heated. Besides, on one hand, the stirring rod is mounted at a non-circle-center position, so that the stirring rod does circular motion in the vessel box instead of rotating in situ, and stirring can be more uniform; on the other hand, the stirring rod is detachable, so that the problem that the stirring rod cannot extend into the vessel box due to structural interference between the stirring rod and the vessel box is avoided.

This utility model relates to the field of laboratory equipment technology, and in particular to an oil smoke point meter, including a smoke point box, a placement opening on the smoke point box, a temperature measuring device on the smoke point box, a heating device inside the smoke point box, a first power line for connecting to an external power source on the smoke point box, and an irradiation device inside the smoke point box for easy repositioning to irradiate smoke.

The present invention discloses a method for producing aviation kerosene. The method comprises the following steps: (1) aviation kerosene raw materials and hydrogen enter a mixing container, gasify, and obtain a gaseous mixture; (2) the gaseous mixture enters a first reactor after being pressurized, wherein the gaseous components are discharged upward from the first reactor, and the liquid components are subjected to hydrogenation reaction downward, and the first reactor effluent is obtained and discharged from the bottom of the first reactor; (3) the gaseous components are discharged from the first reactor and enter a second reactor, undergo a hydrogenation desulfurization reaction, and obtain a second reactor effluent; (4) the first reactor effluent and the second reactor effluent are stripped to obtain an aviation kerosene product. The present invention can produce high-quality aviation kerosene products with high smoke point and good lubricity under the conditions of simple process, low energy consumption, and low cost.

The present disclosure provides a heat energy absorber (112) for a smoking article. In an exemplary embodiment, the smoking article may include: an outer package (102) surrounding at least a portion of the smoking article (100), wherein the smoking article is defined by an upstream lighting end (104) and a downstream mouthpiece end (106); a carbon heat source (108) located near the lighting end; a tobacco material (110) located downstream of the carbon heat source and spaced apart from the mouthpiece end of the smoking article; and a heat energy absorber (112) at least partially located between the tobacco material and the carbon heat source.

The embodiment of the invention discloses a spraying fire extinguishing method and device, electronic equipment and a storage medium. The spraying fire extinguishing method comprises the steps that a real-time video of a target area is collected; performing smoke and fire identification on the real-time video based on a preset smoke and fire identification algorithm; when the real-time video is identified to have a smoke point or a fire point, sending the real-time video to an authorization platform; when fire alarm confirmation operation of the authorization platform for the real-time video is received, a control instruction is sent to a fire-fighting spraying system corresponding to the target area so as to control the fire-fighting spraying system to start a spraying head to extinguish fire in the target area, and the scheme can improve the fire extinguishing efficiency.

The invention relates to the technical field of plant blend oil, and discloses food and medicine substance synergistically enhanced high-smoke-point plant functional oil and a preparation method and application thereof.The high-smoke-point plant functional oil comprises food and medicine substances and plant oil, and the food and medicine substances comprise at least one of tea leaves, lophatherum gracile, licorice roots, turmeric and Chinese wolfberry fruits; the vegetable oil comprises at least one of linseed oil, walnut oil, highland barley germ oil and crude perilla seed oil, and the mass ratio of the edible and medicinal substances to the vegetable oil is 1: (5-100). The preparation method comprises the following steps: crushing food and medicine substances and filling into an extraction kettle; vegetable oil is injected into an extraction kettle for supercritical carbon dioxide extraction; and a segmented separation mode is adopted for separation, and then discharging is carried out. The oxidation resistance of the oil protects the problems that unsaturated bonds of the oil are damaged and nutritional ingredients such as omega-3 fatty acid and oryzanol are lost in the high-temperature processing process, meanwhile, the smoke point of the vegetable oil is increased, the cooking performance and industrial applicability of the vegetable blend oil are improved, oil smoke emission is reduced, and the environmental protection value is increased.

The invention discloses soothing, bacteriostatic and anti-inflammatory camellia skin moistening oil and a preparation method thereof.The camellia skin moistening oil is prepared from, by mass, 2%-95% of low-temperature water-controlled cold-pressed camellia oil, 2%-45% of refined camellia oil or refined olive fruit oil, 0.5%-30% of squalane, 0-25% of caprylic / capric triglyceride, 0-25% of C15-19 alkane and 0.1%-4% of tocopheryl acetate. And 0-0.5% of essential oil. The low-temperature water-controlled cold pressing process is different from a mainstream camellia oil pressing process, and the clarified camellia oil which can pass a high-temperature test and a smoke point test in related national standards can be produced in a large scale without stir-frying or steaming and chemical refining. The skin moistening oil is characterized by the camellia oil prepared by adopting a low-temperature water-controlled cold pressing process, retains the unique effects of the camellia oil to the greatest extent, has the effects of relieving, inhibiting bacteria and resisting inflammation while protecting skin, and has a relatively wide application prospect.

The invention relates to the technical field of smoke management, in particular to a method and equipment for evaluating the influence of smoke on a master control room, and a storage medium. A method for evaluating the influence of smoke on a master control room comprises the following steps: dividing an electrical plant into at least three smoke event partitions according to the position relationship between smoke points inside and outside the electrical plant and the master control room and the function planning of the smoke points; obtaining a corresponding partition system design and a partition program guide according to the smoke event partition; verifying the partition system design and the partition program guide according to the influence verification standard to obtain a verification result; and judging whether the verification result meets a main control room smoke evaluation standard or not to obtain a main control room smoke risk evaluation result. An electrical plant is divided into a plurality of smoke event subareas. And the system design and the program guide of the smoke event partition are verified, so that the evaluation when the smoke event occurs in each partition is realized.

The invention provides a smoke detection method based on time sequence feature fusion and residual self-cleaning, and the method comprises the steps: obtaining a background difference feature map, a time sequence change intensity feature map, a multi-scale texture feature map, a time-space gradient feature map and a frequency domain feature map based on a video image frame; and fusing the feature maps to obtain a comprehensive smoke confidence score map. Based on the comprehensive smoke confidence score plot, screening pixel points of which the smoke confidence is greater than a set threshold value as seed points for growth of a smoke area, and adding a preliminary smoke mask; screening out pixel points of which the detection support probability is greater than a set threshold value in a support domain of the seed points as grown smoke points, and adding the smoke points into a primary smoke mask; traversing all seed points to obtain a smog growth area; and eliminating artifacts in the smoke growth region to obtain the smoke mask. According to the invention, the accuracy and robustness of smoke detection can be improved.

The invention provides peanut oil with low oil smoke, sweet and fragrant flavor and rich resveratrol and a preparation method thereof. The preparation method of the peanut oil comprises the steps of steam explosion treatment, enzymolysis, heat treatment and oil cleaning. Wherein the steam pressure of the steam explosion treatment ranges from 0.7 MPa to 2.0 MPa, and the pressure maintaining time ranges from 30 seconds to 150 seconds; when the steam pressure is less than or equal to 0.8 MPa, the pressure holding time is 100-150 seconds; wherein the step of cleaning the oil comprises the following steps: adding peanut shell powder accounting for 5-10% of the weight of the oil into the oil obtained by heat treatment, and stirring at 40-100 DEG C for 0.5-2 hours. The peanut oil prepared by the method disclosed by the invention is rich in sweet flavor and high in smoke point, and contains high-content resveratrol.

The application discloses a tunnel reversing ventilation device and belongs to the technical field of tunnel reversing ventilation. The device comprises a mounting air duct, sound attenuation inner cylinders are arranged on the two sides of the mounting air duct, movable outer cylinders are movably arranged on the two sound attenuation inner cylinders, an elastic hose is arranged at the bottom of the outer wall of the mounting air duct, drive motors are fixedly arranged on the left and right sides of the outer wall of the mounting air duct, and an elastic mechanism is arranged on the output shaft of the drive motor. The elastic mechanism drives the elastic hose to be stretched and retracted. An unfolding mechanism is arranged between the sound attenuation inner cylinder and the movable outer cylinder arranged thereon, and the unfolding mechanism is in transmission connection with the drive motor. The movable outer cylinder is driven by the unfolding mechanism to slide along the corresponding sound attenuation inner cylinder, so that the length of the mounting air duct is prolonged. The application solves the problems that the ventilation device cannot timely exhaust the smoke around the smoke point when the ventilation device is far away from the smoke point, and the ventilation devices are far away from each other, which is not conducive to the centralized exhaust of the smoke.

The utility model belongs to the technical field of detection devices, and particularly relates to a plant oil smoke point detection device which comprises a device body, a hollowed test space is arranged in the middle section of the device body, an air inlet channel is arranged between the bottom of the device body and the test space in a penetrating mode, and a filter screen is fixedly arranged at the bottom of the air inlet channel. The inner side of the air inlet channel is fixedly provided with a fan mounting rack, the top of the fan mounting rack is provided with a fan, the bottom of the test space is provided with a fixed seat above the air inlet channel, the inner side of the fixed seat is fixedly provided with a bearing seat, and an annularly distributed ventilation slot is arranged between the top and the bottom of the bearing seat in a penetrating manner. Compared with the prior art, the cooling device has the advantages that samples in the test cup can be cooled quickly, so that test operators can take out the test cup more quickly without other tools, careless scalding is avoided, and compared with the mode of waiting for natural cooling of the samples, the cooling speed is greatly increased, and the waiting time between the test processes of the two groups of samples is shortened.

The invention discloses a tunnel reversing ventilation device, and belongs to the technical field of tunnel reversing ventilation. The device comprises a mounting air cylinder, inner silencing cylinders are arranged on the two sides of the mounting air cylinder, movable outer cylinders are movably arranged on the two inner silencing cylinders, a telescopic hose is arranged at the bottom of the outer wall of the mounting air cylinder, driving motors are fixedly mounted on the left side and the right side of the outer wall of the mounting air cylinder, and telescopic mechanisms are mounted on output shafts of the driving motors; the telescopic mechanism drives the telescopic hose to stretch out and draw back; an unfolding mechanism is mounted between the silencing inner cylinder and the movable outer cylinder on the silencing inner cylinder, and is in transmission connection with a driving motor; the movable outer barrel is driven by the unfolding mechanism to slide along the corresponding silencing inner barrel, so that the length of the installed air barrel is increased; the problems that ventilation devices are far away from a smoke point, smoke around the smoke point cannot be exhausted in time, and the distance between every two ventilation devices is far, so that concentrated exhaust of the smoke is not facilitated are solved.

The utility model discloses an edible oil smoke point detection device, and belongs to the technical field of edible oil detection equipment. The edible oil smoke point detection device overcomes the defects that an edible oil smoke point detection device in the prior art can only detect one sample at a time and is low in detection efficiency. The device mainly comprises a base, heating furnaces are installed on the two sides of the base respectively, a supporting frame is installed on the base, detection shells are installed on the supporting frame and located on the upper sides of the heating furnaces on the two sides respectively, a flue is formed in the middle of each detection shell, and photoelectric sensors matched with the flues are further installed in the detection shells. A temperature sensor is further installed at the bottom of the detection shell.

The invention belongs to the technical field of environmental protection and dust removal, and particularly relates to a multi-stream stainless steel slab continuous casting machine under-machine dust removal purification system which comprises a continuous casting machine and a flame cutting machine, a plurality of sets of under-machine dust removal covers are arranged below the continuous casting machine and arranged on the side wall of a slag sluice in a staggered mode, and the flame cutting machine is arranged on the side wall of the slag sluice. And the under-machine dust removal cover is communicated with the dust removal flue. The dust removal pipeline is placed below the continuous casting machine, space is not occupied, and continuous casting equipment is convenient to overhaul and maintain; in addition, the dust removal cover is close to a smoke production point, the air suction effect is good, and the power of a motor to be used is small under the condition of achieving the same dust removal efficiency; meanwhile, flue gas containing iron powder does not pass through a flame cutting machine, and the service life of equipment is prolonged.

This application relates to the field of smart home appliance technology, and discloses a control method for a range hood. The method includes: determining a first smoke point temperature and a second smoke point temperature based on the temperature of the cooking oil; controlling the range hood fan to start at a first speed when the cooking oil temperature is greater than or equal to the first smoke point temperature; and adjusting the fan speed to a second speed when the cooking oil temperature is greater than or equal to the second smoke point temperature; wherein the first smoke point temperature is lower than the second smoke point temperature, and the first speed is lower than the second speed. By obtaining the temperature of the cooking oil and matching process parameters to form the first and second smoke point temperatures, the cooking process and its corresponding exhaust airflow can be graded, effectively preventing the escape of fumes due to insufficient airflow and achieving advance matching of exhaust airflow. This application also discloses a control device for a range hood and a range hood itself.