105 results about "Smoke" patented technology

The invention provides a method for effectively restraining generation of sulfur trioxide and waste acid in smelting smoke. By adjusting smoke temperature, and/or controlling the wind leakage amount of a smoke flue, and/or reducing the water content of materials and the sulfate content, generation of the sulfur trioxide and the waste acid in the smoke is restrained. By adjusting parameters such as the smoke temperature, the wind leakage amount, the water content and the sulfate content, generation of the sulfur trioxide and the waste acid is restrained, and compared with the prior art, the method has the beneficial effects that the cost is low, operation is easy, other compounds are not introduced, and generation of the sulfur trioxide and the waste acid in the smoke is restrained from source. The method can be applied to the smoke waste heat recovery and treatment link in the copper sulphide concentrate oxygen enrichment matte smelting process, generation of the sulfur trioxide and the waste acid in the smoke is restrained, and then the problems of corrosion to the smoke flue and waste acid are relieved.

The invention discloses a biomass pyrolysis system and a biomass pyrolysis method. The biomass pyrolysis system comprises a pyrolysis furnace, a combustion lift pipe, a separation device, a biochar heat carrier pipeline and a smoke flue. According to the biomass pyrolysis system, efficient biomass pyrolysis is realized through simultaneous heating by the aid of internal biochar heat carriers and external smoke.

The invention relates to a machine side oven door of stamped coke ovens and an arrestment process and a device of smoke and dust from oven top, the process and device interflow two plumes of smoke in a flap valve which is provided with double nip via a smoke control assembly of the machine side oven door and a smoke dust control assembly of the oven top, and lead the smoke and dust which are interflowed by the process and device into an earth dust elimination station via the flap valve which is provided with double nip. By comparison with the prior art, the invention has the advantages that the process achieves the smoke dust arrestment of the machine side oven door of a stamped coke oven and the oven top via the smoke control assembly of the oven door arranged at the top portion of the machine side and a moveable smoke control assembly of the oven top of a smoke guiding car, and lead the smoke and dust into the earth dust elimination station, thereby controlling the spreading of the pollution to the utmost extent.

The invention relates to a method for analyzing components in calcined lime in desulfurization of smoke. First some calcined lime powder is fetched, which is dried under 100-110 centigrade to thoroughly remove the water contained, then is burnt under 650-700 centigrade to ensure that Ca(OH)2 is completely dissolved into CaO and H2O, and CaCO3 is not dissolved, in this way the mass difference before and after the burning will be the water content generated by the dissolution of Ca(OH)2, and by the water mass, the content of Ca(OH)2 can be calculated; then the method and device disclosed in patent 200610054402.5 is used to detect the content of CaCO3. The invention is easy to operate, needs few equipment and reagent, analyzes accurately, can determine the actual contents of different components especially CaCO3 in calcined lime, because CaCO3 is an inertial substance in the calcined lime and will block the reaction with SO2 and influence the desulfurization efficiency. The invention can also be used for analyzing components in slaked lime.

The invention discloses a flipping type integrated cooker. The flipping type integrated cooker comprises a flipping type cover board, a smoke chamber, a wind box, a lifting device connected with the smoke chamber and a motor for driving the lifting device to lift, wherein the motor is located in the flipping type cover board, and the flipping type cover board can incline in a working state. According to the flipping type integrated cooker, the motor is arranged in the flipping type cover board, the flipping type cover board can incline appropriately while the flipping type integrated cooker is lifted, the inclining range can be adjusted according to the actual use condition, and the fume suction effect of the integrated cooker can be improved.

The invention discloses a method for matching cured tobacco leaves by using a tobacco leaf beating and re-drying module. The method comprises the following steps: performing classified collection on tobacco leaf samples of an aroma module, a smoke module and a mouthfeel module to serve as modeling samples by adopting a sensory evaluation method; then preparing the modeling samples into powder, scanning and acquiring a near infrared spectrogram, preprocessing the spectrogram, then performing calculation on principal components, and creating a Naive Bayes classification model by using principle component scores; and then preparing to-be-matched tobacco leaf samples into powder, acquiring a near infrared spectrum, preprocessing the spectrum, then performing principle component decomposition operation on the spectrum of the to-be-matched tobacco leaf samples by using spectrum data loads of the modeling samples to obtain principle component scores of the to-be-matched tobacco leaf samples, classifying the to-be-matched tobacco leaves by using the principle component scores and the Naive Bayes classification model, and performing module matching according to a classification result. By adopting the method disclosed by the invention, the sensory evaluation is only needed at a modeling stage, manpower and time are saved, and the to-be-matched tobacco leaves can be classified and matched quickly and accurately.

The invention relates to a device for testing a contamination characteristic of a segmental temperature control coal burning boiler. The device comprises a hearth and a flue, wherein the lower end of the hearth is connected with a combustor for spraying coal powder and an opposed air pipeline; the combustor is connected with a primary air inlet pipeline and a secondary air inlet pipeline respectively; the primary air inlet pipeline and the secondary air inlet pipeline as well as the opposed air pipeline are communicated with an air blower respectively; a heat preservation layer is arranged on the outer side of the hearth; a plurality of electric heating elements are arranged on the wall of the hearth in a segmental manner; segmental cooling clamping sleeves are arranged outside the flue; the tail of the flue is connected with a heat exchanger; and a plurality of test holes are formed in the hearth and the flue. The device can simulate various temperature situations of the hearth of the actual boiler, so that the stability and the flexibility of a test system are improved; by adopting segmental electric heating, the hearth can be stabilized at test required temperature; by adopting the segmental cooling clamping sleeves, the smoke temperature in the flue can be precisely controlled in a required range, and environments at different positions of the flue in the actual boiler can be simulated; and the contamination characteristic of the coal powder in different smoke temperature regions is convenient to research.

The invention relates to an intelligent fire escape access control system. According to the intelligent fire escape access control system, a novel system structure design is adopted; an access control system is associated with a building master fire extinguishing system; fire alarm signals are taken as the trigger signals of passing through; actual environment conditions can be acquired in real time via combination with smoke sensors and temperature sensors arranged on the two sides of a door main body, and opening of channels leading to places with fire is avoided; so that safety of automatic control of access control systems under emergency fire disasters is improved greatly.

The invention provides a method for recycling rhenium from copper smelting smoke washing waste acid. The method includes the steps that A, the copper smelting smoke washing waste acid is filtered, and clear waste acid and selenium mud are obtained; B, the clear waste acid is mixed with a first precipitation agent to react, and copper-removed later liquid and copper-deposited slag are obtained; and C, the copper-removed later liquid is mixed with a second precipitation agent to react, rhenium-deposited later liquid and rhenium-rich slag are obtained, and in the clear waste acid, the copper content ranges from 0.2 g/L to 3 g/L; or the method includes the steps that A, the copper smelting smoke washing waste acid is filtered, and clear waste acid and selenium mud are obtained; and D, the clear waste acid is mixed with a precipitation agent to react, rhenium-deposited later liquid and rhenium-rich slag are obtained, and in the clear waste acid, the copper content is larger than 0 g/L and smaller than 0.2 g/L. According to the method, the high-copper waste liquid is subjected to copper and rhenium deposition step by step, the low-copper waste liquid is subjected to rhenium deposition in one step, only one kind of auxiliary material sodium thiosulfate is needed in the whole process, the copper recycling rate ranges from 95.3% to 99.8%, and the rhenium recycling rate ranges from 99% to 99.53%.

The invention discloses a straw carbonization furnace with high thermal conversion efficiency. The straw carbonization furnace comprises a furnace body, a large furnace door and a small furnace door, wherein the large furnace door and the small furnace door are arranged at one side of the furnace body; the large furnace door is connected with the furnace body through a large furnace door sealing compression bar and a large furnace door hinge; the small furnace door is connected with the large furnace door through a small furnace door sealing compression bar and a small furnace door hinge; the furnace body is internally provided with a combustion chamber; the furnace body surrounding the combustion chamber is provided with a water interlayer; the upper end of the water interlayer is provided with an exhaust port and a water inlet; the upper end of the combustion chamber is provided with a smoke outlet pipe; the lower end of the furnace body is provided with a hot water outlet pipe and a hot water pump which are connected with the water interlayer; the combustion chamber is internally provided with a temperature detecting probe; the furnace body is provided with a control device connected with the temperature detecting probe.

The invention relates to an anti-dripping flame-retardant finishing method for high-tenacity polyester, which comprises the following steps: adding a compound flame retardant, an adhesive and an anti-dripping agent into a solvent at 100-160 DEG C, and stirring to obtain a flame-retardant solution; and adding polyester fabrics into the flame-retardant solution for soaking and rolling twice respectively, then pre-baking at 80-120 DEG C for 3-6min, baking at 140-180 DEG C for 2-4min, taking out, and cooling to obtain the high-tenacity polyester. The polyester fabrics finished by the finishing process provided by the invention have the characteristics of flame resistance, smoke suppression, high tenacity and anti-dripping capability so as to meet the high-tenacity requirement for polyester and have broad market prospects. The polyester fabrics obtained by the finishing method provided by the invention have the tenacity of 6.6-8.0cN/dtex, the limited oxygen index of 28-40% and the breaking elongation of 13-16%.

The invention relates to a smoke and fire detection method based on deep learning and image recognition. The method comprises the following steps: step 1, reading a video frame from a to-be-identifiedvideo, and extracting a part of pixel sets in the video frame according to color characteristics of pixels in the video frame and difference characteristics of the pixels between the video frames toform one or more pre-processing areas for identification; Step 2, intercepting the extracted preprocessing area into pictures to serve as input of a smoke and fire detection model; Step 3, extractingfeatures from the picture through the smoke and fire detection model; 4, determining the confidence coefficient of the smoke and fire scene in the picture according to the extracted characteristics; and step 5, if the confidence coefficient exceeds a confidence coefficient threshold, marking an area corresponding to the picture in the video frame.

The invention relates to a tobacco cartridge flavoring and cooling filter tip and a preparation method thereof. The tobacco cartridge flavoring and cooling filter tip comprises a paper tube, a sealingfilter sheet, a spacing filter sheet and a filter tip body, wherein the sealing filter sheet and the spacing filter sheet are sequentially fixed in the paper tube at intervals, so that the paper tubeis divided into a sealing part, a partition part and a flavoring cavity; and the flavoring cavity is filled with flavor substances, including but not limited to sustained-release flavor microspheres,gel flavors, solid particle flavors, nano microcapsule flavors, nano microcapsule formed paper and the like. According to the tobacco cartridge flavoring and cooling filter tip, the paper tube, the sealing filter sheet, the spacing filter sheet, the flavoring cavity and the filter tip body are arranged, and tipping paper is connected with a smoke formation section. The flavoring cavity is clampedbetween the sealing filter sheet and the spacing filter sheet; the flavoring cavity is filled with the flavor substances; the flavoring cavity has the functions of realizing flavoring and reducing the temperature of smoke, so that an inlet is not hot, the smoke flavors are rich, and the experience of various different flavors is brought.

The invention relates to the field of environmental protection equipment, specifically relates to flue gas white smoke removal equipment for an intelligent production factory of a rubber plant. The equipment has a chimney tube; an air inlet ring is inserted into the bottom of the chimney tube; a plurality of groups of air inlet pipes are uniformly welded on the air inlet ring at equal intervals; adriving motor is arranged in the center of the bottom of the chimney tube; a dustproof sleeve is arranged outside the driving motor in a sleeving manner; a connecting shaft sleeve sleeves a rotatingshaft at the top of the driving motor; a threaded rod is inserted into the top of the connecting shaft sleeve, a waste liquid ring is attached to the bottom of the inner wall face of the chimney tube,a collecting funnel is welded to the edge of the inner side of the upper surface of the waste liquid ring, the threaded rod is sleeved with a rotating sleeve, and four sets of cleaning blades are evenly welded to the side face of the rotating sleeve at equal intervals in a surrounding mode. According to the equipment, cleaning rollers are attached to the inner wall face of the chimney tube to roll through elastic force of compression springs, and sundries attached to the inner wall face of the chimney tube are cleaned through rotation of the cleaning rollers.

The invention discloses a fireproof door with a smoke-proof function, which comprises a door panel made of a flame-retardant plate, and the four edges of the door panel are fixed with screws and installed with a sealing strip made of flame-retardant rubber; the outer edge of the door panel is There is an embedding groove on the top, and an air duct is embedded and fixed in the embedding groove, the air duct is arranged in a ring shape, and air holes are evenly opened on the outside of the air duct; in the event of a fire, the present invention can use a suction fan to Produce a strong air extraction effect, draw the smoke from the gap of the door panel into the exhaust pipe from the air hole, then send it into the exhaust pipe, and finally discharge it from the air hole to the room where the fire occurred. When using the equipment, it is necessary to ensure that the indoor When there are no people left, the personnel in the escape passage can choose to turn on the suction fan. At this time, the amount of dense smoke permeating into the escape passage will be greatly reduced, which prevents the personnel in the escape passage from being hurt by the thick smoke, thus improving safety. high.

The invention provides a southward propagation generation-adding breeding method for flattop ridge twin-row high density plantation of tobaccos. The method comprises the following steps of ridging the tobaccos to be a flattop ridge, wherein the width of the top of the ridge is 80cm, and the distance of two adjacent ridge furrow center lines is 140cm; planting the tobaccos in twin rows on each ridge body, wherein the line spacing in each ridge is 50cm, and 2100 plants are planted per mu. One or more breeding materials can be provided for each ridge body. According to the method, the pure nitrogen quantity applied to per mu is required to be increased by 40 percent compared with pure nitrogen applied to per mu in a southward propagation conventional planting way, the fertilization for a single plant does not exceed 120 plants, and the number of capsules harvested by the single plant does not exceed 100. By adopting the method, the seed quality can be ensured, the aim of southward propagation generation-adding is achieved, the planting and breeding material number of a unit area land can be increased, the southward propagation leasing area is reduced, and the cost is reduced. The method is applicable to southward propagation of the tobaccos such as flue-cured tobaccos, burley tobaccos and maryland tobaccos.

The invention discloses a method for rapid determination of isothiazolinone compounds in a water-based adhesive for cigarettes. The method comprises the following steps: adding an extraction agent into the water-based adhesive for cigarettes, wherein a volume mass ratio of the extraction agent to a water-based adhesive sample is 5-40 mL: 0.3 g; then carrying out ultrasonic extraction for 5 to 45 min so as to obtain extract liquor; subjecting the obtained extract liquor to centrifugation, taking supernatant and introducing nitrogen into the supernatant so as to obtain concentrated supernatant; allowing the concentrated supernatant to pass through a filter membrane so as to obtain a to-be-detected solution; and carrying out quantitative analysis on the isothiazolinone compounds in the to-be-detected solution by using ultrahigh performance liquid chromatography-diode array. The method provided by the invention can carry out simultaneous analysis and detection on at least three isothiazolinone compounds in the water-based adhesive for cigarettes; the method is simple in treatment and fast in analysis speed; detection results are good in repeatability and high in sensitivity; and the method is applicable to determination of three isothiazolinone compounds in the water-based adhesive for cigarettes or in other complex matrixes.

The invention discloses a method and device for monitoring ash dirt on a convection heating surface of a boiler. The device comprises a sound wave guide tube, a sound wave receiver, a sound wave generator, a signal conditioner, a junction box, an input and output device, a power amplifier and an industrial personal computer. The method comprises the steps of: firstly, sending a sound wave signal by the industrial personal computer, amplifying with the power amplifier and then sending to the sound generator; secondly emitting sound wave by the wave generator, spreading the sound wave to a hearth of the boiler through the sound wave guide tube, receiving a sound wave return signal of the hearth of the boiler by the sound wave receiver, transmitting the sound wave return signal to the industrial personal computer; thirdly, measuring sound wave crossing time by the industrial personal computer, and solving the smoke side temperature of the boiler; and finally, solving an actual heat exchange coefficient and obtaining an ash dirt coefficient. The invention adopts a non-contact measurement manner, and can be applied to environments with high temperature and much dirt and pollution; and the device is simple in operation, and provides a clear and simple visualization interface.

The invention relates to a marine low-smoke halogen-free low-toxicity frame-retardant fire-resistant soft optical cable and a manufacturing method thereof, and belongs to the technical field of optical communication special optical cable manufacturing. The marine low-smoke halogen-free low-toxicity frame-retardant fire-resistant soft optical cable is a special fire-resistant optical cable for data communication, and is composed of ultra-low-loss low-temperature-resistant tightly-sleeved optical fiber units, a high-modulus aramid fiber and waterproof aramid fiber mixed reinforcing piece, a halogen-free low-smoke flame-retardant polyolefin oxygen-isolation layer inner protective sleeve, a fire-resistant white mica tape wrapping layer, a stainless steel wire woven wire layer and a crosslinked polyolefin outer protective sleeve. The ultra-low-loss low-temperature-resistant tightly-sleeved optical fiber units are twisted, high-modulus aramid fiber and waterproof aramid fiber are adopted for making the high-modulus aramid fiber and waterproof aramid fiber mixed reinforcing piece, the oxygen-isolation layer inner protective sleeve wraps the reinforcing piece in an extruded mode, the fire-resistant white mica tape wrapping layer wraps the oxygen-isolation layer inner protective sleeve, stainless steel wires are woven outside the fire-resistant white mica tape wrapping layer to form the stainless steel wire woven wire layer, and the crosslinked polyolefin outer protective sleeve wraps the fire-resistant white mica tape wrapping layer and the stainless steel wire woven wire layer in an extruded mode.

The invention relates to the field of automatic vending, and provides an automatic tobacco seller. The automatic tobacco seller comprises a cabinet body, a second goods path, and a tobacco strip delivering mechanism; the second goods path is arranged in the cabinet body and comprises a second tobacco storage rack for storing the tobacco strips; a tobacco strip outlet is arranged on the second tobacco storage rack; the tobacco strip delivering mechanism is arranged at the lower part of the tobacco strip outlet, and comprises two second lifting levers arranged at intervals. Compared with the prior art, the tobacco strip delivering mechanism of the automatic tobacco seller of the embodiment can reduce the dimension of the lifting lever through two second lifting levers arranged at intervals,thus the intensity of the lifting levers is increased, and the service life of the lifting rods is prolonged.

The invention relates to a technology for relieving scorification of a convection heated surface of a boiler, in particular to a system for relieving scorification of the convection heated surface of a boiler. The system comprises a crust block machine arranged in a flue of a boiler, wherein the crust block machine is positioned at the front end of the windward side of a convection superheater at the top of the flue; the crust block machine comprises two symmetrically arranged disks and a straight pipe fixedly arranged between the two disks; and the crust block machine can roll in the axial direction of the flue. The crust block machine is applicable to various boilers using high-alkali metal content coal; scorification can be made in advance; safe operation of the convection heated surface is ensured; the operation time of the boiler is increased; offset of smoke temperature at a hearth outlet and uneven flow field caused by combustion of a quadrangle tangent circle boiler are reduced by the arrangement of the crust block machine; frequent explosion of the convection superheater and the reheater is avoided; normal operation of the boiler is not affected in the process of slag removal and scorification cleaning; the operation time of the boiler is prolonged; and the economical efficiency of a power plant is improved.

The invention discloses an efficient pure aluminum alloy environment-friendly refining agent and a preparation method thereof. The environment-friendly refining agent comprises the raw materials of, by weight, 40-50 parts of magnesium chloride, 20-30 parts of potassium chloride, 30-40 parts of aluminum fluoride, 1-2 parts of copper chloride and 0.5-1 part of calcium chloride, and then the refiningagent is finally obtained through special fusion treatment. Compared with the prior art, the refining agent and the method have the advantages that proportioning is simple, no sodium is contained, smoke is not generated in the smelting process, the industry blank is made up, and the refining agent and the method have great significance on green and environment-friendly modern metallurgy.