121 results about "Black smoke" patented technology

The invention relates to a novel rotational flow atomization apparatus and an application technology. The structure characteristics of a core unit, namely a novel rotary sprayer is that the upper part, connected with fluid, of the rotary sprayer is fixed, the lower part of the rotary sprayer is connected with the upper part through one or a plurality of nozzles by virtue of bearings, the lower part of the sprayer is pushed to rotate at high speed by reactive force formed when a part of kinetic energy of the fluid under pressure is ejected from the nozzles, and meanwhile, most of kinetic energy can be effectively converted into surface energy which can facilitate water flow atomization when impacting the bevel or oblique seam of the sprayer or passing through a hole. The novel sprayer has the advantages that the use pressure is low, the rotating speed is rapid, fogdrops are small and uniform, and the fog spraying coverage area is large. The novel rotational flow atomization apparatus can be applied to extinguishment, black smoke can be instantaneously eliminated, fire head is suppressed in seconds, and big fire can be extinguished within ten seconds; when the novel rotational flow atomization apparatus is applied to flue gas purification, rotational flow like tornado can be produced in a tower, and high-efficient desulfurization dust removal is realized; the novel rotational flow atomization apparatus can be widely applied to city purification, park green space watering, landscape decoration, and crop watering, fertilization, pesticide application and industrial mixing, separating, mass transfer and heat transfer processes, and the circumjacent PM 2.5 and other gaseous pollutant can be effectively removed.

The present invention discloses one kind of solid alcohol fuel, which is prepared with industrial alcohol 90.73 wt%, stearic acid 4.76 wt%, NaOH 0.62 wt%, paraffin 1.30 wt% and distilled water 2.59 wt%, and through two steps at temperature of 70deg.C. The solid alcohol fuel has easy ignition, high heat value, no black smoke and bad smell produced during burning and other features. Especially, it can burn stably in anoxic condition, so that it is suitable for use in plateau and upland.

An oil-soluble multifunctional additive for heavy oil or fuel oil contains more surfactants, composite catalytic combustion adjuvant and detergent disperser, and is characterized by saving oil by 10-25%, increasing added water to 10-30% and eliminating black smoke. A process for preparing emulsified heavy oil or fuel oil is also disclosed.

The invention discloses a new environmentally-friendly heavy oil additive and a preparation method and use method thereof. The additive comprises the following components in parts by weight: 10-30 parts of nonionic surfactant, 15-60 parts of combustion improver, 10-30 parts of quality stabilizer, 10-55 parts of purification dispersant, 1-8 parts of corrosion inhibitor and 20-50 parts of water. After the materials are combined according to percentages, the materials can be used with heavy oil mixed with water and the fuel properties of heavy oil are improved. The environmentally-friendly heavy oil additive has the following advantages: the combustion performance of heavy oil can be effectively improved, the liquidity of heavy oil can be increased, the heavy oil fuel oil with the additive has stable performance, long storage time, good atomizing effect, no pollution and high oil-saving efficiency, is easy in ignition and can not coke, the fuel oil does not corrode the equipment, has high combustion value and simple process, is difficult in black smoke generation, is convenient in use and can combust completely, and the equipment loss is reduced furthest.

The invention discloses a black smoke vehicle detection method based on a convolutional attention network. The method comprises the following steps: extracting a moving target through a monitoring video; extracting a foreground target of the moving target, and removing a non-vehicle target in the foreground target; extracting a candidate black smoke area of the moving vehicle, and converting the candidate black smoke area into a set specification; extracting static features of the single-frame picture of the candidate black smoke area by using a convolutional attention network; inputting the static characteristics into a full connection layer to identify a black smoke vehicle; when the static features of the candidate black smoke area are extracted, the feature map carries out weight distribution through the channel attention module and the space attention module. According to the method, an attention mechanism is adopted to enhance the representation capability of the convolutional neural network in two dimensions of space and channel, pay attention to the main characteristics of the black smoke area and inhibit unnecessary characteristics of interference areas such as vehicles, roads and shadows, and the misjudgment rate can be effectively reduced.

The invention discloses an anode refining method for a high-sulfur blister copper, which comprises the following steps of: continuously introducing inert gas into a furnace in a process of allowing a high-sulfur blister copper liquid produced in a flash converting furnace to pass through a chute and flow into an anode furnace so as to boil the copper liquid inside the furnace; and promoting the sulfur in the copper liquid and the oxygen in the copper liquid to react with the oxygen absorbed from the atmosphere on the surface of the copper liquid to generate SO2 gas to discharge the copper liquid so as to remove the sulfur of more than 90 percent in the blister copper liquid. When the blister copper liquid completely enters the anode furnace, light-oxidation light-reduction work, non-oxidation and light-reduction work or cancellation of oxidation reduction work are respectively adopted according to the sulfur content of the copper liquid. The method overcomes the defects of a fire refining process of the high-sulfur blister copper, thereby effectively shortening operation time, improving production efficiency and production capacity and energy conservation, and eliminating pollution to atmosphere environment due to black smoke.

The invention relates to a low-smoke zero-halogen flame-retarding optical cable sheath material, which comprises main components proportioned as following: polyethylene (PE) 58-62%, fire retardant 32-36%, coupling agent 0.8-1.2%, softening agent 1.0-1.4%, plastic brightening agent 0.6-1.0%, lubricating agent 0.6-1.0%, antioxidant 0.8-1.2% and carbon black 1.0-1.4%. The sheath material does not produce thick black smoke and harmful substance hydrogen chloride (HCI).

The invention discloses a hydraulic excavator control system and method. The method comprises the following steps: a controller acquires oil way pressure signals of a hydraulic excavator, and calculates needed main pump power according to the oil way pressure signals; the controller sends the needed main pump power to an engine ECM; the engine ECM firstly adjusts an engine oil injecting quantity according to the needed main pump power; and then, the controller adjusts the main pump power according to the needed main pump power. The hydraulic excavator control system and method greatly shortenthe engine loading response time, improve the overall working efficiency, prevent the problem of black smoke caused by idle loading, can further reduce the engine idle rotating speed, and reduce the fuel consumption.

The invention belongs to the technical field of plastic pipes, and discloses an inflaming-retarding and smoke-suppressing PVC (polyvinyl chloride) pipe material and a preparation method thereof. A fire retardant Mg(OH)2 is subjected to surface treatment by adopting a special coupling agent, and is prepared into a compound fire retardant together with a modified inflaming-retarding additive, thus due to cooperation of the fire retardant Mg(OH)2 and the modified inflaming-retarding additive, the compound fire retardant can be prepared into a PVC drainage pipe material which is more excellent in processability, mechanical property and inflaming-retarding and smoke-suppressing properties. According to the preparation method disclosed by the invention, black smoke and toxic gases released during combustion of the PVC pipe material are greatly reduced, and a large quantity of casualties caused by smoke asphyxia in a fire accident are reduced.

The invention discloses a black smoke catcher used for a diesel engine. The diesel engine can generate a large amount of black smoke at the cold starting moment and during high-load operation, however, no good solution exists at present. The black smoke catcher used for the diesel engine is composed of a catcher cylinder body, a black smoke particle collecting end connected with the lower end of the catcher cylinder body and a catcher gas outlet end connected with the upper end of the catcher cylinder body. A cylinder of the catcher cylinder body is provided with a gas inlet, a gas inlet baffle enabling air flows to be dispersed is fixed onto the inner wall of the cylinder, a filter element is arranged in the cylinder and an electromagnetic pulse pneumatic control valve is further fixed onto the inner wall of the cylinder. Black smoke tail gas generated during operation of the diesel engine is caught through filtering of the filter element and back flushing of the electromagnetic pulse control valve, and the black smoke removing rate reaches over ninety percent. The black smoke catcher used for the diesel engine has the advantages of being compact in structure, resistant to high temperature, easy to tailor, firm, durable and the like, increases the black smoke capturing rate, further reduces exhausting backpressure, is convenient to install and replace, and reduces the use cost and the maintenance cost.

The invention relates to a novel low-pressure air combustion supporting torch combustor which is jacket structure form that a torch gas distributor is arranged in a barrel. Through design of the direction, the number, the distribution and the hole diameter of spraying holes in the torch gas distributor, torch gas is sprayed towards low-pressure air with a certain angle in space, and in other words, direct current cross mixing is conducted; and through the mixing manner, the torch gas and the low-pressure air can be sufficiently mixed, and the effect of smokeless combustion is achieved. To prevent flame blowoff, a fin plate structure is arranged at the proper position of the torch gas distributor, and fin plates are provided with a plurality of proper holes. Through design of the torch combustor structure, the torch gas and the low-pressure air are subjected to rotational flow mixing, and the purpose of removing black smoke is achieved. By utilization of reasonable control over the combustion area position, the purpose of reducing the combustor surface temperature is achieved, and combustor burning losses are prevented.

The invention discloses an intelligent smoke gas image sensing method for a release torch, and the method comprises the steps: collecting a release torch image, carrying out the existence detection of black smoke, extracting an image smoke gas area through a significance method, removing the image noise in a Gaussian filtering mode, improving the image quality through a super-resolution method. and calculating the blackness grade of the smoke gas to analyze the smoke gas quality. According to the invention, the target area concentrate around the smoke gas and the flame, so that the influence of other objects around the release torch is reduced, and the anti-interference capability is enhanced; image denoising is carried out by using a Gaussian filtering mode, so that the gray level of image noise points is reduced, and the number of noise in the image is reduced; the smoke image is mapped into the high-quality image by using a super-resolution method, so that the smoke quality in the image can be analyzed conveniently, and the accuracy of a judgment result is improved.

The invention provides a deep learning-based black smoke blackness detection method and device. The method comprises the following steps: acquiring a video stream of a vehicle shot by a camera; inputting a video frame in the video stream into a target detection network to obtain a vehicle position; determining black smoke position information of a black smoke to-be-detected area in the video frame based on the vehicle position; and determining the relative gray scale of the black smoke based on the gray scale value of the black smoke position in the video frame and the background reference image. The video frame in the video stream of the vehicle shot by the camera is processed in a deep learning mode, and the relative gray scale of the black smoke of the black smoke vehicle is calculated by using the background reference image, so that the calculation result is more accurate. Therefore, the black smoke blackness of the black smoke vehicle can be accurately detected in real time, the vehicle does not need to be stopped, and meanwhile, the equipment cost and the maintenance cost are reduced.

The invention is applicable to the technical field of tail gas monitoring, and provides a motor vehicle tail gas black smoke simulation system. The system comprises a meteorological acquisition instrument, a camera, a display device, a central processing unit and a ground camera, wherein the meteorological acquisition instrument and the camera are installed on a test road, the display device, thecentral processing unit and the ground camera are arranged on a tested vehicle, the meteorological acquisition instrument and the camera are communicated with the central processing unit through a communication device, the meteorological acquisition instrument is used for acquiring meteorological data in real time, and the camera is used for snapshotting the tested vehicle; and the display deviceand the ground camera are communicated with the central processing unit, the ground camera is used for acquiring picture characteristics of the ground, and the central processing unit generates a black smoke simulation image. The system has the beneficial effects that an augmented reality (AR) technology, an air fluid mechanics diffusion model and a high-frequency LED wide-view-angle display technology are combined, reusable, parameter-adjustable and pollution-free simulation of the motor vehicle tail gas black smoke is achieved, and an available metering calibration standard reference is provided for black smoke vehicle video snapshot equipment.

The invention discloses a multi-video-frame black smoke diesel vehicle detection method and system based on a space-time optical flow network, and the method comprises the steps: carrying out the key frame extraction and processing of a video containing a detection target based on an obtained video; establishing a model required for detecting the black smoke diesel vehicle, and training the model; analyzing the relation between continuous video frames by using an improved LK space-time optical flow network, capturing and segmenting a video dynamic region, and screening out a suspected black smoke region; inputting the framed region which is suspected to contain the black smoke into a trained target detection model, and carrying out secondary detection; and if the black smoke is finally detected, carrying out frame selection on the diesel vehicles discharging the black smoke, and outputting a detection result. According to the invention, through the LK optical flow network, the space-time relation among the continuous multiple video frames is established, the dynamic area is quickly and efficiently selected, the identification and false detection of non-black smoke images in the static area are effectively reduced, and through the end-to-end target detection model, the accuracy and high efficiency of video black smoke detection are ensured.

The invention discloses a halogen-free flame-retardant ethylene composition and application thereof to artificial plants, the composition comprises an intumescent halogen-free flame retardant and a softening agent, and the intumescent halogen-free flame retardant is composed of a polyethylene carrier, a phosphorus flame retardant, a charring agent, an anti-dripping agent and a dispersing agent. When the halogen-free flame-retardant ethylene composition is applied to the artificial plants, the obtained artificial plants cannot release a large amount of toxic gas and black smoke in the combustion process, the combustion rate is low, and meanwhile, strong cancerogenic substances cannot be generated.

The invention discloses a non-road mobile machinery black smoke monitoring system based on a tracking and positioning technology, spherical video acquisition equipment and flying dust monitoring equipment are mounted on a fixed mounting rod, the fixed mounting rod is mounted around a construction site, each set of spherical video acquisition equipment is connected with monitoring software; a virtual coil in the monitoring software divides a monitoring area into a plurality of areas, and each set of spherical video acquisition equipment is responsible for monitoring the corresponding area to realize dead-corner-free coverage of a construction site; the spherical video acquisition device automatically adjusts the angle or manually adjusts the angle through a control holder, the spherical video acquisition device and the flying dust monitoring device are respectively connected with the intelligent analysis terminal through a network cable and a 485 interface, and the intelligent analysis terminal, the automatic alarm device and the wireless communication device are installed in the outdoor protection cabinet. Through the target identification and tracking technology, the black smoke emission condition of the construction machinery on the construction site can be automatically captured and uploaded to related departments of environmental protection supervision in real time.

The invention discloses a motor vehicle tail gas emission detection method and device. The method comprises the steps of acquiring tail gas parameters of motor vehicle tail gas emission according to a set frequency, wherein the tail gas parameters comprise nitrogen oxide concentration, carbon monoxide concentration, black smoke concentration, light absorption coefficient and opaque degree; in a set period, taking respective average values of the tail gas parameters, and according to a set weight, carrying out weighted calculation on all the tail gas parameters to obtain a weighted result; and if the average value of any tail gas parameter or the weighting result is not within the set standard value range, judging that the current tail gas emission exceeds the standard. According to the embodiment, motor vehicle tail gas emission can be qualitatively and quantitatively detected, and the effectiveness of motor vehicle tail gas emission detection is improved.

The embodiment of the invention discloses a black smoke vehicle electronic snapshot system calibration method, which comprises the steps of setting a multi-level standard blackness plate, obtaining first measurement data of the black smoke vehicle electronic snapshot system for snapshot of the multi-level standard blackness plate, and obtaining a blackness level indication error of the black smokevehicle electronic snapshot system based on the first measurement data; and setting a set-level standard blackness plate, obtaining second measurement data of the set-level standard blackness plate captured by the black smoke vehicle electronic snapshot system, and obtaining blackness-level repeatability of the black smoke vehicle electronic snapshot system based on the second measurement data. The performance of the black smoke vehicle electronic snapshot system is calibrated through the two parameters, i.e., the blackness-level indication error and the blackness-level repeatability, and therefore the purpose of accurately calibrating the black smoke vehicle electronic snapshot system is achieved.

The invention belongs to the field of environmental protection monitoring, and particularly relates to a high-pollution-discharge motor vehicle comprehensive supervision system and method. According to the high-pollution-discharge motor vehicle comprehensive supervision method, pollution index calculation with unified indexes is carried out on all recorded vehicles, and the motor vehicles with a high pollution index are vehicles which discharge more tail gas and need to be rectified. The supervision system is derived from four aspects of evaluation of different weights: environmental measurement, remote measurement, black smoke and OBD. In the system, the contribution degrees of environmental measurement, remote measurement, black smoke and OBD to the comprehensive supervision system are analyzed and researched by experts to obtain the weights, the four weights are multiplied by the scores obtained by a motor vehicle in the environmental measurement, remote measurement, black smoke andOBD respectively, and then the products are added to obtain the pollution index of the motor vehicle.

The invention discloses a solid reducing agent for preparing an electrolytic anode copper plate, prepared by 97-99% of low-sulfur anthracite and1-3% of low-sulfur candle coal used as raw materials, wherein the low-sulfur anthracite has S content with not more than 0.3% and volatile component content with about 8-12%; the low-sulfur candle coal has S content with not more than 0.2% and volatile component content with about 22-28%. The reducing agent disclosed by the invention takes the anthracite as a matrix and mixes the quantitative candle coal with proper volatile components, so that the reducing agent does not produce black smoke when performing reduction and contacting with copper water, reduces and deoxidizes cuprous oxide in the melted copper efficiently and fully due to proper stirring in the melted copper to prepare the anode copper plate. The reducing cost of the solid reducing agent is reduced by 60% in comparison with that adopting raw wood or saw timber, and the raw material can be supplied fully due to a wide source. The solid reducing agent has safety, reliability, little pollution and high cost performance.