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37results about How to "Solve the problem of excess residue" patented technology
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Antisepsis and antistaling agent for mango as well as preparation method and use thereof
InactiveCN101480202AInhibition of respirationControl anthraxFruit and vegetables preservationFertilizerDisinfectant
The invention relates to a mango preserving technology. In order to achieve integrative pre-plucking and post-plucking preserving effect, the invention comprises four composite preserving pretreatment measures of disinfectant and calcium fertilizer spraying before mango plucking and heat treatment, rot-proof film-coating preservative treatment and ethylene inhibitor treatment after the plucking. The rot-proof film-coating preservative comprises 0.25 percent to 2 percent of glucomannan or / and 0.25 to 2 percent of CTS with 95 percent degree of deacetylation, 0.1 to 1 percent of sucrose fatty acid ester or / and 0.1 to 1 percent of glycerel monostearte, 0.1 to 0.5 percent sorbitol or glycerol, 0.5 to 1.5 percent of calcium chloride or calcium citrate, 0.05 to 0.1 percent of potassium sorbate, 0.01 to 0.1 percent of one or more of the following ingredients: iprodione, Sportak and mancozeb, 0.005 to 0.01 percent of gibberellin and 0.025 to 0.05 percent of vitamin K. The invention can decrease the respiratory intensity, postpone the respiratory climacterics, delay the postripeness time and prolong the freshness period of mangos. Compared with the prior art, the freshness period of the mangos can be prolonged by 10 to 20 days.
Owner:POMOLOGY RES INST GUANGDONG ACADEMY OF AGRI SCI
Nano-modified polypropylene soft packaging material
ActiveCN102020796AImprove mechanical propertiesImprove printing effectProcedure AgentsPolymer science
The invention provides a packaging polyolefin processing agent composition which is a mixture of nano silicon dioxide and ethylene-vinyl acetate copolymer, wherein the mass of the nano silicon dioxide accounts for 10-40% of the total mass of the processing agent composition, and the mass of the ethylene-vinyl acetate copolymer accounts for 60-90% of the total mass of the processing agent composition. The invention also provides packaging polyolefin modified by the processing agent composition. The modification of the nano silicon dioxide has greater influences on the mechanical property, the crystallization property, the polarity, the printing property, the composite property, the residue of organic solvent, and other indexes of the polypropylene. A result shows that after the polypropylene soft packaging material is subjected to nano modification, the toughness of the polypropylene soft packaging material is greatly enhanced; meanwhile, the polarity, the printing ink adhesive force and the peel strength of the material are improved; the adsorption of the modified polypropylene on toluene is greatly reduced. After nano modification, the using performance of the polypropylene used as the soft packaging material can be greatly improved.
Owner:BEIJING INSTITUTE OF GRAPHIC COMMUNICATION
Microbial cleaning agent for pesticides on fruits and vegetables and preparation method for microbial cleaning agent
The invention discloses a microbial cleaning agent for pesticides on fruits and vegetables and a preparation method for the microbial cleaning agent. The microbial cleaning agent mainly comprises saccharomycetes and lactobacillus, wherein the lactobacillus is more than or equal to 1.5*10<7> / ml, and the saccharomycetes is more than or equal to 1*10<6> / ml. The microbial cleaning agent prepared by the technical scheme has the advantages of high removal efficiency and low possibility of being inactivated, can effectively solve the problem of overproof residual pesticides on the fruits and the vegetables in the prior art, and is used for preventing and relieving the harm of the residual pesticides to human bodies effectively.
Owner:SHANGHAI ZHONGHAILONG NEW ENERGY
Medium for producing Paecilomyces cicadae spore, culture method thereof, culture product thereof and application thereof
ActiveCN102242079ASolve the problem of excess residueImmunomodulatoryCosmetic preparationsBiocideBiotechnologyLiquid medium
The invention belongs to the technical field of microbial fermentation, and specifically relates to media for producing Paecilomyces cicadae conidiospores, a culture method thereof, a culture product thereof and application thereof. The media for producing Paecilomyces cicadae conidiospores comprise a solid medium and a liquid medium. The culture method provided in the invention can produce considerable Paecilomyces cicadae conidiospores; the culture product of the method comprises components like polysaccharides, cordycepic acid, adenosine, triterpenoids and a plurality of amino acids, has the functions of regulating immunity, relieving fever and pain, improving renal function, lowering blood pressure, resisting radiation and tumor, reducing blood sugar, etc., and is applicable to the field of human healthy life; considerable spores are generated in the process of fermentation and the generated spores can be used as effective means of biological control, thereby solving the problem that the amount pesticide residues in agricultural products exceed the standard amount from the head stream.
Owner:ZHEJIANG BIOASIA PHARMA CO LTD
Stenotrophomonas maltophilia XQ08 efficiently degrading deltamethrin and application thereof
InactiveCN105602871AEasy to useReduce manufacturing costBacteriaWater contaminantsInorganic saltsEcological environment
The invention discloses stenotrophomonas maltophilia XQ08 efficiently degrading deltamethrin and application thereof. The strain stenotrophomonas maltophilia XQ08 is preserved in China Center for Type Culture Collection (CCTCC) on December 8th, 2015 at the address of Wuhan University in Wuhan, China and with the preservation number of CCTCC M 2015726. The Bacillus cereus stenotrophomonas maltophilia XQ08 provided by the invention has the advantage that the degradation rate on deltamethrin (50.0mg / L) in an inorganic salt culture medium after 5 days reaches 67.04%, so that the strain can efficiently degrade deltamethrin and can effectively restore deltamethrin-polluted soil and water, the excessive pesticide residue problem in production of agricultural products and environmental pollution problem are solved and ecological environment and human health are protected.
Owner:GUIZHOU UNIV
Degradating bacteria for hexachlorocyclohexane pesticide residue and its produced strain
InactiveCN1648238AEfficient degradationEfficient degradation efficiencyBacteriaMicroorganismSphingomonas sp.
The present invention provides a kind of bacteria preparation for efficiently degrading hexachlorocyclohexane (HCH) pesticide residue. The strain BHC-A is Sphingomonas sp., can growth with HCH as the unique carbon source and energy source, and degrade alpha-HCH, beta-HCH, gamma-HCH and delta-HCH in short time at high efficiency. The present invention solves the difficult problem of aerobically biodegrading beta-HCH, and can mineralize 5 mg / L beta-HCH completely within 12 hr. Applying the degrading bacteria product directly can lower the residual HCH amount in soil by over 95 % to lower the HCH residue in agricultural product.
Owner:NANJING AGRICULTURAL UNIVERSITY
Method for recovering iron in low-iron Bayer process red mud
The invention discloses a method for recovering iron in low-iron Bayer process red mud. The method comprises the steps that de-alkalization treatment is conducted on the Bayer process red mud by adopting calcium oxide to mix the de-alkalization red mud with activated carbon; the mixture is mixed with a binding agent to be pressed into tablets; the tablets are placed into a graphite crucible, high-temperature treatment is conducted under the condition that argon is introduced all the time in a vacuum electromagnetic sensing furnace, the tablets are cooled down along with the furnace, grinding is conducted, and iron slags are separated through magnetic sorting. The method has the advantages that the recovery rate and grade of iron are higher than 80%, the processed Bayer red mud can be usedfor producing building materials, recovered iron is conformed to demands of industrial steel melting, the problem of excessively high red mud accumulation amount is effectively solved, and an excellent guiding meaning is achieved on the recovery of iron in the low-iron Bayer process red mud.
Owner:KUNMING UNIV OF SCI & TECH
Novel method for synthesizing indole-3-carbinol
InactiveCN102766082AGood thermal stabilityThe equipment is less corrosiveOrganic chemistrySolventBenzene
The invention provides a novel method for synthesizing indole-3-carbinol. The new method comprises the following steps: 1, accurately preparing 0.2mol of indole-3-formaldehyde, 200ml of ethanol with concentration being 99% and 0.2mol of potassium borohydride and reacting at a room temperature for 3h; 2, reducing pressure to minus 0.8mpa and concentrating; and adding 500ml of water and separating out a solid product which is the crude product of indole-3-carbinol. According to the new method, since medicinal alcohol is used as a solvent, the problem benzene residues exceed the standard is solved and the cost is reduced.
Owner:XIAN UNION PHARMPRO
Bromoxynil octanoate degrading bacteria and bacterial agent prepared from same
ActiveCN101935627BEasy to useReduce manufacturing costBacteriaMicroorganism based processesBromoxynil octanoateCatalase
The invention provides degrading bacteria for eliminating residue of pesticide, namely bromoxynil octanoate, and a degrading bacterial agent thereof, and belongs to the technical field of biology high-technology. The strain is Gram staining reaction negative bacteria XB2 and is identified as Acinetobacter baumannii. The strain has main biological characteristics that: the strain is G-; the thallus has a short-rod shape with the size of 0.9-1.6*1.5-2.5 mu m, has no spores and is strictly aerobic; and the strain is negative for oxidase and positive for catalase and can grow by taking the bromoxynil octanoate as a unique carbon source. The degrading bacteria is directly applied to make bromoxynil octanoate residue in crops reduced by over 90 percent, solves the problem that the bromoxynil octanoate residue in agricultural production is overproof, and can produce non-toxic and nuisanceless green agricultural products.
Owner:NANJING AGRICULTURAL UNIVERSITY
Nano modified polyethylene flexible packing material
The invention provides a processing auxiliary agent composition of polyolefin for food packing. The processing auxiliary agent composition is a mixture of nano silicon dioxide and ethylene-vinyl acetate copolymer, wherein the mass of the nano silicon dioxide accounts for 1 to 20 percent of the total mass of the processing auxiliary agent composition, and the mass of the ethylene-vinyl acetate copolymer accounts for 80 to 99 percent of the total mass of the processing auxiliary agent composition. The invention also provides a polyethylene flexible packing material modified by using the processing auxiliary agent composition. The results show that the toughness of the polyethylene flexible packing material modified by using the processing auxiliary agent composition is greatly improved, and the polarity of the material is well improved at the same time; and the adsorption of the modified polyethylene on methylbenzene and ethyl acetate is greatly reduced, and the friction coefficient of a film is also greatly reduced. Therefore, the service performance of the nano modified polyethylene serving as the flexible packing material is greatly improved.
Owner:BEIJING INSTITUTE OF GRAPHIC COMMUNICATION
Carbofuran pesticide residual degraded bacteria and its produced bacterial agent
InactiveCN1556196AWill not affect the use effectEasy to useBacteriaFermentationSphingomonas agrestisBiological property
A bacterium, Sphingomonas agrestis which shows negative to Gram reaction, and its preparation for degradating the residual carbofuran are disclosed. Said sphingomonas agrestis features that the carbofuran is the only carbon source and nitrogen source needed by its growth and can be mineralized into CO2, water and simple inorganic compound. Its preparation is prepared through slant culture, shake flask culture and culturing in seeding tank.
Owner:南京农大环境生物工程有限公司
Bacillus cereus LGY06 for efficiently degrading napropamide and application and use method of bacillus cereus LGY06
ActiveCN105018396AEasy to useReduce manufacturing costBacteriaWater contaminantsEcological environmentPesticide residue
The invention discloses a bacillus cereus LGY06 for efficiently degrading napropamide and a use method and application of the bacillus cereus LGY06. A strain is preserved in China Center for Type Culture Collection (CCTCC) in June 19, 2015, and the preservation number is CCTCC NO:M 2015398. The rate for degrading napropamide with density of 50.0 mg / L reaches 76.81% when the bacillus cereus LGY06 is placed in a salt medium for 7 days, it shows that the strain can efficiently degrade napropamide and effectively restore soil and water body polluted by napropamide, the problems that the content of pesticide residues exceeds the standard and the environment is polluted during production of agricultural products are solved, and the ecological environment and human health are protected.
Owner:GUIZHOU UNIV
Microbial cleaning agent for pesticides on fruits and vegetables and preparation method for microbial cleaning agent
The invention discloses a microbial cleaning agent for pesticides on fruits and vegetables and a preparation method for the microbial cleaning agent. The microbial cleaning agent mainly comprises saccharomycetes and lactobacillus, wherein the lactobacillus is more than or equal to 1.5*10<7> / ml, and the saccharomycetes is more than or equal to 1*10<6> / ml. The microbial cleaning agent prepared by the technical scheme has the advantages of high removal efficiency and low possibility of being inactivated, can effectively solve the problem of overproof residual pesticides on the fruits and the vegetables in the prior art, and is used for preventing and relieving the harm of the residual pesticides to human bodies effectively.
Owner:SHANGHAI ZHONGHAILONG NEW ENERGY
Insect biological information confrontation system
ActiveCN114158548ASolve the problem of excess residueAchieve green ecological prevention and controlData miningAnimal repellantsInformation processingData information
The invention discloses an insect biological information confrontation system, which comprises an information acquisition module, an information processing module, a control module and an operation module, and is characterized in that the information acquisition module is connected with the information processing module and the control module and is used for acquiring data information of insects; the information processing module is connected with the control module and is used for analyzing and processing the data information of the insects; the control module is connected with the operation module and is used for generating a confrontation instruction; and the operation module performs insect confrontation operation through the special sound effect and the special light effect according to the confrontation instruction.
Owner:北京司雷植保科技有限公司 +1
Method for controlling fructus-lycii-fruit-boring pests and crown-surface-and-earth-surface bi-directional capturing device
PendingCN107306934ADoes not affect food qualityDoes not affect food safetyAnimal repellantsInsect catchers and killersPesticide residueEarth surface
The invention discloses a method for controlling fructus-lycii-fruit-boring pests and a crown-surface-and-earth-surface bi-directional capturing device. A physical device is arranged to prevent the fructus-lycii-fruit-boring pests, and according to the characteristic that the fructus-lycii-fruit-boring pests conduct buried pupating, overwintering, soil-leaving emerging, growing and breeding through the crown surface of a fructus-lycii tree and the earth surface, a physical intercepting device is erected between the crown surface of the fructus-lycii tree and the earth surface, the intercepted fructus-lycii-fruit-boring pests are captured and killed, and the fructus-lycii-fruit-boring pests are fundamentally eliminated. The method has the advantages that the controlling process is environmentally friendly and free of pollution, the food quality and safety of fructus-lycii fruits are not influenced, and the problem that pesticide residues of fructus-lycii fruits are out of limits is solved; the controlling effect is good, it is effective for a long time after one-time arrangement, the fructus-lycii-fruit-boring pests can be fundamentally killed, damage of the fructus-lycii-fruit-boring pests can be stably controlled, and damage of the fructus-lycii-fruit-boring pests is smaller and smaller; the capturing device is simple in structure, convenient to install and capable of being reused for a long time and reducing the controlling cost of the fructus-lycii-fruit-boring pests.
Owner:INST OF PLANT PROTECTION NINGXIA ACAD OF AGRI & FORESTRY SCI KEY LAB OF NINGXIA PLANT DISEASE & INSECT PESTS CONTROL
Hardware plate oiling device
InactiveCN112354779AOil evenlySolve the problem of excess residueLiquid surface applicatorsCoatingsOil canPrinting press
The invention relates to a hardware plate oiling device which comprises a rack. A bottom plate is fixed onto the rack; a transmission mechanism used for transmitting hardware plates is arranged on thebottom plate; a printing mechanism used for coating oil on the hardware plates and an oil scraping mechanism are further arranged on the bottom plate; the oil scraping mechanism comprises an upper scraping plate and a lower scraping plate which are arranged on the upper side of the bottom plate, and an oil collecting tank fixed onto the bottom plate; the upper scraping plate and the lower scraping plate are positioned on the upper side of the oil collecting tank; two mounting frames which are oppositely arranged and extend upwards are fixed into the oil collecting tank; and the upper scrapingplate is movably mounted between the two mounting frames. According to the hardware plate oiling device provided by the invention, through the arrangement of the printing mechanism, oil is brushed ona hardware plate in a rolling mode through an anilox roller, so that compared with original intrusive oiling, the problem that oil residues on the surface of the hardware plate are too much due to intrusive oiling is solved through the mechanism, and oil cannot be polluted.
Owner:浙江坚迪五金制造有限公司
Textile swabbing cleaning and winding device based on mechanical transmission
InactiveCN111560719ASolve the problem of excess residueNo wasteFilament handlingTextile treatment machine arrangementsYarnStructural engineering
The invention relates to the technical field of textile equipment, and discloses a textile swabbing cleaning and winding device based on mechanical transmission. The textile swabbing cleaning and winding device comprises a base, wherein the surface of the base is movably connected with a first bracket; the outer side of the first bracket is movably connected with a first connecting rod; the innerpart of a first gear is movably connected with a fifth connecting shaft; the outer side of the fifth connecting shaft is movably connected with a third connecting part; one end of a sixth connecting shaft is movably connected with a fifth connecting part; and the inner part of the fifth connecting part is movably connected with a seventh connecting shaft. According to the textile swabbing cleaningand winding device based on mechanical transmission disclosed by the invention, the base is connected with the first connecting shaft, so that the problem that an existing yarn swabbing device soaksyarns into size, so that too much size is remained on the yarns after sizing is finished is solved, waste is not caused, practicability is high, and unequal size content of the yarns is not caused, and therefore, yarn fabrics are more beautiful, and operation of drying the yarns in winding drying equipment is convenient.
Owner:杭州林备商贸有限公司
A kind of royal jelly automatic insect suction device
InactiveCN110432185BEliminate the need for manual worm extraction and pulpingImprove work efficiencyHoney collectionRatchetAnimal science
The invention provides a royal jelly automatic insect taking and jelly sucking device which comprises a rack, a working platform, a transmission device, an insect taking device and a jelly sucking device. Each conveying belt is used to cooperate with a ratchet mechanism, each ratchet wheel, a corresponding ratchet and a corresponding ratchet rod are in intermittent motion, the intermittent motionis transmitted to the insect taking device and the jelly sucking device through a rocker and a connection rod mechanism to enable a jelly generating strip, the insect taking device and the jelly sucking device to correspondingly act, and insect taking and jelly sucking can be performed at the same time; a filtering interception net is arranged above an insect clamp, so that the problem that too much royal jelly is left in the filtering interception net. The royal jelly automatic insect taking and jelly sucking device is high in jelly taking speed and low in residual rate, condition of the royal jelly is well ensured, and jelly generating quality is fully guaranteed.
Owner:JIANGXI AGRICULTURAL UNIVERSITY
A kind of composition for treating diarrhea of livestock and poultry and preparation method thereof
ActiveCN104784182BQuick treatmentStrong antibacterial effectAntibacterial agentsDigestive systemMedicineComposition process
Owner:SICHUAN ANIMAL SCI ACAD
Antisepsis and antistaling agent for mango as well as preparation method and use thereof
InactiveCN101480202BReduce usageInhibition of transpirationFruit and vegetables preservationSucroseDisinfectant
The invention relates to a mango preserving technology. In order to achieve integrative pre-plucking and post-plucking preserving effect, the invention comprises four composite preserving pretreatment measures of disinfectant and calcium fertilizer spraying before mango plucking and heat treatment, rot-proof film-coating preservative treatment and ethylene inhibitor treatment after the plucking. The rot-proof film-coating preservative comprises 0.25 percent to 2 percent of glucomannan or / and 0.25 to 2 percent of CTS with 95 percent degree of deacetylation, 0.1 to 1 percent of sucrose fatty acid ester or / and 0.1 to 1 percent of glycerel monostearte, 0.1 to 0.5 percent sorbitol or glycerol, 0.5 to 1.5 percent of calcium chloride or calcium citrate, 0.05 to 0.1 percent of potassium sorbate, 0.01 to 0.1 percent of one or more of the following ingredients: iprodione, Sportak and mancozeb, 0.005 to 0.01 percent of gibberellin and 0.025 to 0.05 percent of vitamin K. The invention can decrease the respiratory intensity, postpone the respiratory climacterics, delay the postripeness time and prolong the freshness period of mangos. Compared with the prior art, the freshness period of the mangos can be prolonged by 10 to 20 days.
Owner:POMOLOGY RES INST GUANGDONG ACADEMY OF AGRI SCI
A kind of application of the fermentation product of Paecilomyces cicadae
ActiveCN103349286BSolve the problem of excess residueImmunomodulatoryCosmetic preparationsToilet preparationsAdenosineChemical products
Owner:ZHEJIANG BIOASIA PHARMA CO LTD
Degradating bacteria for hexachlorocyclohexane pesticide residue and its produced strain
InactiveCN1276972CEfficient degradationEfficient degradation efficiencyBacteriaMicroorganism based processesMicroorganismSphingomonas sp.
Owner:NANJING AGRICULTURAL UNIVERSITY
Nicosulfuron pesticide residue degrading bacterium and inocula produced therefrom
InactiveCN101486985BEasy to useReduce production and use costsBacteriaContaminated soil reclamationPesticide residueCulture fluid
Owner:NANJING AGRICULTURAL UNIVERSITY
A lactofafe-prop pesticide residue degrading bacterium and the bacterial agent for its production
ActiveCN104560814BEasy to useReduce production and use costsBacteriaContaminated soil reclamationFungicideDeforestation
The invention discloses a lactoforin pesticide residue degrading bacterium and the bacterial agent produced therefrom. The strain is a Gram-positive bacterium, which was identified as Bacillus sp., and was preserved in the China Center for Type Culture Collection on February 27, 2014. The strain preservation number is CCTCC NO: M 2014050. The culture solution after the Za strain is fermented is the bacterial agent. The Za strain can reduce the pesticide residue of lactoferin in the soil by more than 70%, and can solve the problem of exceeding the standard of the pesticide residue of lactoferrin in agricultural production.
Owner:NANJING AGRICULTURAL UNIVERSITY
Medium for producing Paecilomyces cicadae spore, culture method thereof, culture product thereof and application thereof
ActiveCN102242079BSolve the problem of excess residueImmunomodulatoryBiocideCosmetic preparationsBiotechnologyLiquid medium
The invention belongs to the technical field of microbial fermentation, and specifically relates to media for producing Paecilomyces cicadae conidiospores, a culture method thereof, a culture product thereof and application thereof. The media for producing Paecilomyces cicadae conidiospores comprise a solid medium and a liquid medium. The culture method provided in the invention can produce considerable Paecilomyces cicadae conidiospores; the culture product of the method comprises components like polysaccharides, cordycepic acid, adenosine, triterpenoids and a plurality of amino acids, has the functions of regulating immunity, relieving fever and pain, improving renal function, lowering blood pressure, resisting radiation and tumor, reducing blood sugar, etc., and is applicable to the field of human healthy life; considerable spores are generated in the process of fermentation and the generated spores can be used as effective means of biological control, thereby solving the problem that the amount pesticide residues in agricultural products exceed the standard amount from the head stream.
Owner:ZHEJIANG BIOASIA PHARMA CO LTD
Lactofen pesticide residue degradation bacterium and Lactofen pesticide residue degradation bacterium agent
ActiveCN104560814AEasy to useReduce production and use costsBacteriaContaminated soil reclamationPesticide residueMicrobiology
The invention discloses a Lactofen pesticide residue degradation bacterium and a Lactofen pesticide residue degradation bacterium agent. The strain is a gram-positive bacterium which is identified as Bacillus sp. and preserved in the CCTCC on February 27, 2014 with the strain preservation number of CCTCC NO:M 2014050. A culture solution after fermentation of the strain Za is the bacterium agent. The strain Za can reduce the Lactofen pesticide residues in soil by more than 70% and can solve the problem that Lactofen pesticide residues exceed the standard in agricultural production.
Owner:NANJING AGRICULTURAL UNIVERSITY
A strain of Providencia stutzeri jd and its application
ActiveCN108300679BEasy to useSolve the problem of excess residueBacteriaWater contaminantsInorganic saltsEcological environment
The present invention discloses a strain of Providencia stutzeri JD and its application. The strain has been preserved in the China Center for Type Culture Collection (CCTCC) on December 22, 2017. The address is Wuhan, China, Wuhan University, and the preservation number is for CCTCC M 2017738. The Providencia stuartii JD provided by the present invention can degrade 59.67% of the sclerotia with an initial concentration of 50 mg / L within 5 days in an inorganic salt medium, and 70.75% of the sclerotia can be degraded within 7 days. This shows that the strain can efficiently degrade Sclerotin, can effectively repair the soil and water polluted by Sclerotin, solve the problem of excessive pesticide residues and environmental pollution in the production of agricultural products, and protect the ecological environment and human health.
Owner:GUIZHOU UNIV
Buprofezin pesticide residual degrading bacteria and produced microbial inoculum thereof
InactiveCN101560482BEasy to useReduce production and use costsBacteriaMicroorganism based processesGram stain negativeBiological property
Owner:NANJING AGRICULTURAL UNIVERSITY
Variable-combustion-chamber two-stroke gasoline engine
ActiveCN108625980ASolve the problem of excess residueAchieve lubricationInternal combustion piston enginesCylinder headsCombustion chamberExhaust gas emissions
The invention discloses a variable-combustion-chamber two-stroke gasoline engine comprising a cylinder sleeve, a top plug and a top plug cover. A through hole used for correspondingly holding a pistonis arranged at the center of the cylinder sleeve. The two sides of the hole wall on the lower part of the through hole are provided with an exhaust hole and an intake hole. The intake hole is lower than the exhaust hole. The upper portion of the cylinder sleeve is provided with a spark plug corresponding to the through hole in position. The portions, corresponding to the two sides of the intake hole, of the hole wall of the through hole are each provided with a ventilation groove. The groove top of each ventilation groove is provided with an oil-air channel communicating with the top face ofthe cylinder sleeve. By the adoption of the variable-combustion-chamber two-stroke gasoline engine, residual waste gas on the upper portion inside the cylinder sleeve can be discharged out of the cylinder sleeve, so that more fresh oil-air can be sucked in, the combustion efficiency of the engine is improved beneficially, the oil consumption and the discharge mount of the waste gas are reduced, lubricating, cleaning and cooling conducted inside the cylinder sleeve can be assisted, and the service life of the engine is prolonged.
Owner:高文峰
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