48results about How to "Reduce odor emission" patented technology

An article of clothing adapted to be worn by a person has an odor absorbing substance incorporated therein. The odor absorbing substance absorbs odors emitting from that portion of the person which is substantially surrounded by the clothing. Reduction of odors emitting from a person wearing the article of clothing will help to avoid detection of the wearer of the article of clothing by many species of wildlife having an acute sense of smell.

An odor absorbing system for use by a person to reduce odor emanation from the person into an environment surrounding the person includes an article of clothing that is configured to be worn by the person and an odor absorbing insert removably attached to the article of clothing. The article of clothing includes a base layer that is adapted to substantially surround a portion of the person wearing the article of clothing. The base layer includes a vent. The odor absorbing insert is configured to cover the vent and includes a layer of breathable material and an odor absorbing agent on the layer of breathable material.

The invention discloses a kitchen waste three-grade separation pretreatment process. Kitchen waste is poured in a receiving device to primarily realize solid-liquid separation; recoverable impurities and flexible impurities which cannot be recovered but generate adverse effects on subsequent processes are manually separated; magnetic substances in the kitchen waste are separated out by a magnetic force effect; magnetically separated materials are conveyed to a primary crusher by a first-grade spiral; the kitchen waste is crushed below a fixed size by a shearing crusher; crushed materials are conveyed to a large-substance separator by a second-grade spiral; large substances are separated by a steam flushing heating mode; large impurities are separated out, and are conveyed to the external through a spiral for landfilling or incineration; materials not reserved on a separator screen are conveyed to a separation pulping machine by a third-grade spiral; and the kitchen waste is crushed to prepare pulp below 10 mm by separation pulping. The pulp obtained by treatment through the pretreatment process has the characteristics of few impurities, low loss rate of the organic matters and small solid particles.

The invention discloses a method for preparing high quality refuse derived fuel. The method comprises the following steps: biological drying, coarse crushing, first magnetic separation, riddle, sorting, hot air drying, fine crushing and shaping. A biological and mechanical coupling technique is employed to achieve source tempering of household refuse, substantially reduce harmful components in the refuse, increase calorific value, reduce the preparation cost on RDF, and realize more industrial application value. The method provided by the invention has a variety of effects and advantages, can prepare refuse derived fuel with high calorific value and low pollution at low thermal power and improve stability and applicability of the whole system, conforms to the requirements of sustainable development, conserves resources and protects environment.

The invention discloses a mould-embedded insert injection molding processing method which comprises the following steps of: printing a required pattern on a substrate by using ink; processing the substrate into a required shape by using a positive pressure-adding-vacuum method; putting the substrate into a mould to be ejected after superfluous edges are punched by using a punching mould. The invention has the advantages of rich decorative effect, high efficiency and low cost, meets the environmental requirements and is suitable for automotive interiors and the surface decoration of shells of household appliances.

The invention discloses a comprehensive foul smell control system and method for a livestock and poultry farm. The comprehensive foul smell control system for the livestock and poultry farm comprises an open environment foul smell control system and a concentrated environment foul smell control system, wherein the open environment foul smell control system is a photocatalyst-ClO2 combination device around a livestock and poultry house and / or a cesspool; the concentrated environment foul smell control system is a bio-trickling tower-photocatalyst all-in-one machine arranged in a compost place. The comprehensive foul smell control method for the livestock and poultry farm comprises the steps of A, foul smell source control; B, open environment foul smell control; and C, concentrated environment foul smell control. The system can effectively reduce foul smell discharged from the livestock and poultry farm and is beneficial to ecological breeding and the health of workers.

The invention relates to a garbage compression module. The garbage compression module comprises a first inner can, and a second inner can capable of sliding relative to the first inner can; the firstinner can and the second inner are embedded to connect to a common opening in a manner of shrinking the common opening only at the time of relatively sliding at the tops; and when the common opening is gathered, acting force for compressing garbage can be generated. The first inner can and the second inner can, sleeved with each other, relatively slide to shrink the common opening, and the actingforce for compressing the garbage can be generated at the time of gathering the common opening; as a garbage bag is sleeved in the second inner can, an opening of the garbage bag synchronously shrinksalong with the common opening; in the garbage compressing process, a garbage compressing part and the garbage are separated through the garbage bag without causing bacteria; and through gathering ofthe bag opening, outward emission of peculiar smell generated by the garbage can be reduced to a certain extent, the possibility of polluting air by the peculiar smell is reduced, and the user experience is improved.

The invention discloses a feeding machine device for sucking furfural residues into a boiler under negative pressure. The feeding machine device comprises a hydrolyzed pan, a gas holder and a residueshed, wherein a residue discharge pipeline is fixedly connected to one side of the hydrolyzed pan, the top of the gas holder is fixedly connected with the residue discharge pipeline, a negative-pressure conveying pipeline is arranged in the residue shed, a suction nozzle is fixedly connected to the bottom of the negative-pressure conveying pipeline, a high-pressure fan is fixedly connected to oneend of the negative-pressure conveying pipeline, a material conveying pipe is fixedly connected to one side of the high-pressure fan, and a material and gas separator is fixedly connected to the bottom of the material conveying pipe. According to the feeding machine device, the gas holder, the residue discharge pipeline, the negative-pressure conveying pipeline, the suction nozzle, an air pipe, the high-pressure fan, the material conveying pipe, a suction fan, an air inlet pipe, an air outlet pipe, an elbow, an exhaust gas buffer bottle and a buffer solution are arranged, so that the problem of large potential safety hazards when employees enter the residue shed to view the production status or load and convey residues due to low visibility in the residue shed because the residue shed is sealed when the furfural residues with high water vapor are discharged to the residue shed is solved.

The invention relates to the technical field of recycle of rubber powder of junked tires, in particular to a rubber floor prepared with the rubber powder of the junked tires as a raw material and a preparation method thereof. Through selection and raw material matching of the rubber powder of the junked tires, PVC powder, ferric oxide powder, potassium-bearing rock powder, polypropylene powder and polyurethane curing agents, all the raw materials interact with one another to enhance the strength of the rubber floor, reduce volatile substances in the rubber floor, lower the emission of peculiar smells of the rubber floor, lower the environmental pollution rate and increase the sound insulation rate of the rubber floor; particularly through selection of potassium-bearing rock, sylvite in the potassium-bearing rock reacts with the rubber powder of the junked tires, and then the purpose of activating the rubber powder of the junked tires is achieved; in combination with the ferric oxide powder, the activation degree of the rubber powder is increased; in combination with the PVC powder, the polypropylene powder and the polyurethane curing agents, the strength of the rubber powder in the curing and shaping process is guaranteed, and the performance of the rubber floor is improved.

The invention discloses a production process of a super-stable solid wood floor. The production process comprises following steps that a floor blank and wax are jointly put into a heating cavity, theheating cavity is in the closed state, air in the heating cavity is pulled away, the heating cavity is in the vacuum state, the floor blank and the wax in the heating cavity are subjected to temperature rise to 100 to 120 DEG C while air exhaust is carried out, after the floor blank is taken out, the floor blank is subjected to standing to be in the normal temperature state, under the natural state, standing is carried out for 15 to 20 days, the floor blank is subjected to sanding thickness fixing, grooving and surface oil or paint coating in sequence, and the finished floor is obtained. The non-deformability, corrosion resistance, and worm eaten preventing effect of the solid wood floor can be obviously improved, and the service life is prolonged.

The invention relates to a garbage can, and in particular to the multifunctional garbage can. The multifunctional garbage can comprises hooks, a supporting handle, a threaded column, deodorization boxes, an upper cover, an outer can, a base, a water plugging plug, a pressing plate, an upper clamping ring, a lower clamping ring, an inner can, a circular sponge block and the like; the two hooks arearranged and are symmetrically and fixedly connected to the two sides of the lower plane of the supporting handle, the upper end of the threaded column is fixedly connected with the lower plane of thesupporting handle, the lower end of the threaded column is fixedly connected with the upper surface of the pressing plate, the two deodorization boxes are arranged and are symmetrically clamped on the upper cover, the upper cover sleeves the upper end of the outer can, the lower end of the outer can sleeves the base, the water plugging plug is plugged in the center of the lower bottom surface ofthe base, the lower end of the inner can is inserted into the base and is in interference fit with the base, the lower clamping ring sleeves the upper end of the inner can, and the upper clamping ringsleeves the lower clamping ring. The garbage can has the beneficial effects that garbage can be compressed, an opening at the upper end of a garbage bag can be sealed, water leaked from the garbage bag can be collected, and peculiar smell in the garbage can can be removed.

The invention relates to the field of municipal roads, and discloses a novel road protection inspection well lid. The novel road protection inspection well lid comprises an inspection well lid body, wherein a positioning base is fixedly arranged in a sewer on the lower side of the inspection well lid body, and positioning assemblies are arranged on the upper end face of the positioning base and in the inspection well lid body. According to the inspection well lid, through mutual cooperation of positioning bolt sleeves and positioning bolts, the inspection well lid body is firmly fixed to the ground and in the sewer, the situation that due to too large water flow, the inspection well lid body is impacted and deviates can be prevented, and the situation that pedestrians fall into the sewer due to the unknown road condition is prevented; meanwhile, through water flow impact force, a filter net and surrounding garbage are driven to rotate, filter net blockage can be effectively prevented, and discharging of road accumulated water is accelerated; a dustproof plate capable of ascending and descending is used for sealing a sealing cavity, and peculiar smell emission in the sewer can be reduced; and through cooperation of a water inlet channel and a flow discharging channel, an external fire source can be prevented from falling into the sewer, and then the sewer explosion event is avoided.

The invention discloses a discharged material cooling heat recovery sludge low-temperature drying device. The device comprises a drying box body, a sludge inlet formed in the top of one end of the drying box body and a sludge outlet formed in the bottom of the other end of the drying box body; a mesh belt group is arranged in the drying box body from the sludge inlet to the sludge outlet. The device is characterized in that: at least a plurality of dehumidification modules are arranged around the mesh belt group in the conveying direction of the mesh belt group; and a cooling heat recovery module for reducing the temperature of discharged sludge and recovering heat of the discharged sludge is arranged around the mesh belt group at the position close to the sludge outlet. Sludge at a lower-layer discharging end is cooled to the normal temperature or below through the cooling heat recovery module, so that sludge fermentation and odor emission are reduced; meanwhile, heat of lower-layer discharged sludge is recovered into upper-layer fed sludge, so that the risk of spontaneous combustion caused by heat accumulation in organic drying sludge is completely eradicated, and meanwhile the running efficiency of a system is improved.

The invention provides a pet toilet comprising a first support plate, a second support plate, a first side plate, a second side plate, a fixed shaft and an integrated intelligent electric device; thefirst support plate and the second support plate are respectively provided with a first cavity and a second cavity; the first support plate and the second support plate are connected; the first side plate, the second plate and the fixed shaft are arranged in the first cavity; the fixed shaft is arranged in the axial direction of the first cavity; the first side plate and the second side plate symmetrically sleeve on a toilet paper roll transmission shaft; the second cavity is provided with a toilet paper outlet hole; the first cavity is provided with a toilet paper inlet hole; a urinal pad roll is arranged in the second cavity; one end of the urinal pad roll is fixed on the toilet paper transmission fixed shaft; an integrated intelligent electric device is installed at one side of the first cavity; an output shaft of the integrated intelligent electric device is in transmission connection with the fixed shaft. By designing a pet toilet, it automatically solves the problem of excretionof pet dogs at home, and cleans up pet excrement in time.

The invention relates to a spare wheel with low smell for passenger cars, and belongs to the field of tires. A rubber material with low smell is used, and the emission degree of the tire smell can bereduced in multiple aspects of tire tread, tire sidewall, tire bead protective rubber, air impervious layer and the like, so that the emission evaluation of the overall smell of a tire meets the requirements. The spare wheel with low smell for passenger cars comprises a tread with low smell, and / or a tire sidewall with low smell, and / or a tire bead with low smell, and / or an air impervious layer with low smell. The tire tread with low smell is prepared from a tire tread rubber composition with low smell, wherein the tire tread rubber composition with low smell is prepared from 100 parts by weight of matrix rubber, and an auxiliary component by weight, and the matrix rubber consists of 60-75 parts of odorless polyisoprene rubber or odorless full latex, and 25-40 parts of high-cis polybutadiene rubber.

The present invention relates to wrap films, especially wrap films for food. More specifically, the present invention pertains to crosslinked laminated polyethylene wrap films which are excellent in clinging property, pulling-out ease from a dispenser box and heat resistance, does not emit much odor, permits suitable food wrapping and can be produced efficiently. Specifically, the present invention provides a crosslinked laminated wrap film having, at least, two surface layers and one intermediate layer, wherein the two surface layers each comprises 20 to 90% by weight of a linear low density polyethylene and 80 to 10% by weight of a high pressure process low density polyethylene, wherein the intermediate layer has at least one layer comprising 50 to 95% by weight of a high density polyethylene and 50 to 5% by weight of a high pressure process low density polyethylene, and wherein the surface layers and intermediate layer each has 0.050 to 0.800 part by weight of glycerin monofatty acid ester based on 100 parts by weight in total of the two polyethylenes constituting the respective layer.

The invention provides a silicate silicone noise-reduction aid and preparation of a noise-reducing low-odor PC / ABS alloy. The alloy is composed of the following components in percentage by weight: PC(polycarbonate) 35-80%, ABS (acrylonitrile-butadiene-styrene copolymer) 20-40%, the silicate silicone noise-reduction aid 1-15%, toughening agent 2-8%, compatibilizer 1-5%, antioxidant 0.1-1%, and lubricant 0.1-1%. The self-made novel silicate silicone noise-reduction aid has a reducing effect on noise transmission, and has adsorption effect on high-efficiency volatile organic substances and harmful gases, and the noise-reducing low-odor PC / ABS alloy prepared by preparation method of the invention has the advantages of excellent mechanical properties, noise reduction and low odor emission.

The invention discloses a method for preparing a rubber floor by utilizing rubber reclaimed from old tires. The method comprises the following steps: firstly carrying out normal temperature smashing rubber of the old tires under normal temperature condition, activating by utilizing potassium hydroxide, and then carrying out magnetic separation, so that rubber powder with larger specific surface area is obtained; then adding a desulfurization catalyst into the old tire rubber powder under microwave condition, carrying out high-speed shearing, and cutting off sulfur-sulfur bonds and sulfur-carbon bonds by utilizing microwave energy without destroying carbon-carbon bonds, so that the aim of regenerating is achieved; and finally compounding ingredients such as the old tire rubber powder, liquid polyurethane, nano kaolin and zinc oxide by virtue of a scientific and reasonable composition proportion, and achieving moulding effect under the actions of a polyurethane curing agent and a curingagent, so that performance of the rubber floor is improved. Compared with a common rubber floor production technology, discharge of odor and discharge of volatile matters are reduced, technological conditions of each step are strictly controlled, and the defect of delamination of the rubber floor due to high ash content and defects such as no wear resistance and low intensity are avoided.

The invention discloses a live pig transport vehicle, and relates to the field of animal transport. The main points of the technical scheme are that the live pig transport vehicle comprises a vehicle frame, a carriage for transporting live pigs is arranged in the vehicle frame, a feed trough for feeding the live pigs is arranged on one side of the carriage, and a feeding device capable of being automatically triggered to feed the pigs when the live pigs are hungry is arranged in the feed trough; the feeding device comprises a grain conveying mechanism for intermittently, unidirectionally and quantitatively conveying feed through a grooved wheel structure, a grain discharging mechanism for feeding the output feed into the feed trough through linkage with the grain conveying mechanism, and a control mechanism for controlling the discharging mechanism to be opened or closed by pushing the feed trough through the live pigs. The technical effects are that when pigs are hungry, feeding is carried out in real time, so that feeding of live pigs is guaranteed, the weight reduction is small, feeding is quantitative each time, and feed is not prone to scattering.

The invention relates to the field of textile fabrics, and particularly discloses a deodorizing and moisture-absorbing textile fabric. The deodorizing and moisture-absorbing textile fabric comprises a base layer and a coating layer; the base layer is a fabric prepared by blending coffee carbon fibers, coconut carbon fibers and cotton fibers according to the mass ratio of (1-2): (1-2): (6-8); the coating layer is prepared from the following substances in parts by weight of 0.5-1 part of chitosan powder, 50-100 parts of water and 0.1-0.2 part of waterborne polyurethane; the preparation method comprises the following steps of S1, coating a self-cleaning layer: putting a to-be-treated fabric into a cleaning finishing solution, dipping for 20-40 minutes, padding, pre-drying and baking to obtain a to-be-finished fabric; and S2, moisture absorption layer coating: dipping a cross-linked fabric in moisture absorption gel for 1-2h, padding, drying at 40-80 DEG C, washing, and baking at 40-60 DEG C. The deodorizing and moisture-absorbing textile fabric prepared by the invention has the advantages of excellent deodorizing, self-cleaning and moisture-absorbing effects.

The invention discloses a garbage feeding and decomposing device and relates to the field of garbage treatment equipment. The garbage feeding and decomposing device comprises a material cavity, a rotating stirring plate, a feeding auger and a decomposing cavity. A rotating shaft is arranged in the material cavity, and the rotating stirring plate is arranged on the rotating shaft in a sleeving manner. The movement track of the rotating stirring plate and the track of garbage entering the material cavity are crossed. A garbage outlet is formed in the bottom of the material cavity. One end of an auger cylinder of the feeding auger is connected to the garbage outlet, and the other end of the auger cylinder of the feeding auger is led to the top of a fermentation cavity. The fermentation cavity is a barrel-shaped cavity. A stirring shaft is horizontally erected in the fermentation cavity, and the two ends of the stirring shaft are fixed to a wall board of the fermentation cavity through ball bearings. The stirring shaft is provided with protruding shaft shoulders, and the ball bearings and the shaft shoulders are fixed and clamped through bearing end covers. Sealing rings are arranged between the shaft shoulders and the ball bearings. Packing parts are arranged between the shaft shoulders and the bearing end covers. A heating coil is fixed to the top of the fermentation cavity. A fan is arranged between the heating coil and the top wall of the fermentation cavity. The fan is aligned with the heating coil for blowing, and hot air is blown to the garbage in the fermentation cavity.

The invention discloses a comprehensive foul smell control system and method for a livestock and poultry farm. The comprehensive foul smell control system for the livestock and poultry farm comprises an open environment foul smell control system and a concentrated environment foul smell control system, wherein the open environment foul smell control system is a photocatalyst-ClO2 combination device around a livestock and poultry house and / or a cesspool; the concentrated environment foul smell control system is a bio-trickling tower-photocatalyst all-in-one machine arranged in a compost place. The comprehensive foul smell control method for the livestock and poultry farm comprises the steps of A, foul smell source control; B, open environment foul smell control; and C, concentrated environment foul smell control. The system can effectively reduce foul smell discharged from the livestock and poultry farm and is beneficial to ecological breeding and the health of workers.

The invention provides a treatment device for oncologic nursing. The treatment device comprises a bed board, supporting legs, a headrest, an electrical heating blanket, a leg bracket, a positioned heating device, a placing rack, a vomiting drum, a storage battery and a control panel, wherein the bed board is fixedly arranged at the upper sides of the supporting legs; the head pillow is arranged at one side of the bed board; the electrical heating blanket is laid on the upper surface of the bed board and is electrically connected to the storage battery and the control panel; the leg bracket is arranged at the side, away from the head pillow, of the bed board; and the positioned heating device is fixed to the middle of the bottom of the bed board. With the arrangement of a baking lamp, an adjusting rod and the electrical heating blanket, the treatment device provided by the invention is conducive to implementation of continuous heating treatment below a body and to targeted heating on key parts, so that a treatment effect is enhanced; by arranging the control panel, the treatment device is conducive to flexible operation of a patient or accompanying personnel and is more convenient to use; and with the arrangement of the leg bracket and vomiting drum, the treatment device is beneficial for relaxing of the patient and for responding to discomfort statuses; therefore, the treatment device is richer in functions.

The invention discloses a method for comprehensive improvement of coastal saline soil, comprising: a. building a curtain wall formed by grouting between the coastal saline soil to be improved and a seawall; b. inside the coastal saline soil surrounded by the curtain wall, Build a salt drainage system underground for coastal saline soil; c. Build a freshwater pipeline irrigation system. The curtain wall can effectively block the sea water and prolong the effectiveness of the coastal greening landscape. In step b, a number of salt drainage ditches are dug in the soil body, a salt drainage well is arranged in the salt drainage trench, and the bottom of the salt drainage well is connected with a drainage pipe; a coarse sand cushion is arranged around the salt drainage well, and a salt drainage pipe is arranged in the coarse sand cushion , the salt discharge pipe is connected with a water collection pipe, and the water collection pipe is arranged lower than the salt discharge pipe; a fixed pipe is set outside the salt discharge pipe, and the fixed pipe is provided with a permeable hole. The fixed pipe can prevent the salt discharge branch pipe from being deformed and blocked under pressure.

The invention discloses an industrial wastewater purification device which comprises a first shell, a first filter screen plate and two material agent boxes, a hydraulic telescopic rod is arranged on the side face of the first shell, the upper end of the hydraulic telescopic rod is connected with a filter frame, the filter frame is arranged in the first shell in a penetrating mode, and the two material agent boxes are arranged in the first shell. The two material boxes are arranged on the side face of the first shell and the side face of the second shell correspondingly, the upper end of the second shell is connected with the first shell through a connecting pipe, a control panel is arranged on the front side of the second shell, a liquid conveying pump is arranged on the right side of the second shell, and the liquid conveying pump is connected with a third shell through an external pipe. And the third shell is arranged on the right side of the second shell. According to the industrial wastewater purification device, treated wastewater is pumped into the third shell, and the industrial wastewater is sterilized under the action of ultraviolet lamps, so that the purification effect on the industrial wastewater is improved, peculiar smell discharge is reduced, bolts are disassembled, and the ultraviolet lamps can be maintained or replaced by pulling out the corresponding ultraviolet lamps through pulling plates.

The invention discloses a low-temperature drying device for discharging cooling heat to recover sludge, which comprises a drying box, a sludge inlet arranged at the top of one end of the drying box, and a sludge outlet at the bottom of the other end. In the drying box, a mesh belt set is provided from the sludge inlet to the sludge outlet, and it is characterized in that, along the conveying direction of the mesh belt set, at least a plurality of dehumidifiers are arranged around the mesh belt set. A cooling heat recovery module for reducing the temperature of the discharged sludge and recovering its heat is provided around the mesh belt group at a position close to the sludge outlet. The invention cools the sludge at the discharge end of the lower layer to normal temperature or below through the cooling heat recovery module, reduces sludge fermentation and odor emission, and at the same time recovers the heat of the discharge sludge from the lower layer to the sludge fed from the upper layer to prevent organic waste. The risk of spontaneous combustion caused by heat accumulation inside the dried sludge, while improving the efficiency of system operation.

The invention discloses a method for preparing high quality refuse derived fuel. The method comprises the following steps: biological drying, coarse crushing, first magnetic separation, riddle, sorting, hot air drying, fine crushing and shaping. A biological and mechanical coupling technique is employed to achieve source tempering of household refuse, substantially reduce harmful components in the refuse, increase calorific value, reduce the preparation cost on RDF, and realize more industrial application value. The method provided by the invention has a variety of effects and advantages, can prepare refuse derived fuel with high calorific value and low pollution at low thermal power and improve stability and applicability of the whole system, conforms to the requirements of sustainable development, conserves resources and protects environment.

The invention discloses air conditioner refrigeration defrosting equipment and a condensate water treatment device. A power source, a gaseous phase detector, a water quality detector, a first circulation water pipe, an organic wastewater tank, a solid oxidant, an ozonation system, a liquid oxidant, a crystallizer, a reaction tank and an ultraviolet lamp oxidation system. The power source is electrically connected with the gaseous phase detector and the water quality detector. The gaseous phase detector is connected with the crystallizer and the ozonation system through the first circulation water pipe, and the upper end of the crystallizer is provided with a connecting pipe connected with the organic wastewater tank fixedly in a penetrating mode. A high temperature crystallizer and a low temperature crystallizer are arranged in the crystallizer and are each internally provided with a stirring shaft, wherein a plurality of stirring blades are fixedly arranged on the stirring shaft, andthe upper portion of the stirring shaft is provided with a strainer. Traditional multiple-effect evaporation is designed into the crystallizer and a heterogeneous catalysis oxidation system, electricenergy is the only operating cost, catalysis treatment of organic wastewater is conducted effectively in an environmentally friendly mode, and the actual demand of incessant and continuous treatment of the organic wastewater is achieved.

The invention discloses an intelligent outdoor classification garbage can based on voice. The intelligent outdoor classification garbage can comprises a base, a kitchen garbage can, throwing indicating lamps, infrared emitters and infrared receivers, and is characterized in that other garbage cans, a recycling garbage can, a harmful garbage can and a kitchen garbage can are sequentially arranged at the top end of the base; the throwing indicating lamps are installed on the outer walls of the tops of the other garbage cans, the recycling garbage can, the harmful garbage can and the kitchen garbage can, dustbins are arranged in the other garbage cans, the recycling garbage can, the harmful garbage can and the kitchen garbage can, and infrared emitters are installed on the inner walls of one sides of the garbage cans; and the infrared receivers are mounted on the inner walls of the other sides of the garbage cans. According to the intelligent outdoor classification garbage can, friendly garbage classification voice prompt can be provided for a garbage thrower, the functions of detecting whether the garbage can is full or not, early warning, automatically dumping garbage and the like are achieved, automatic charging can be achieved to provide electric power guarantee for normal work of the system, and emission of peculiar smell is reduced.

The invention is used in the field of enzyme technology. The invention relates to lipases and to the production thereof, the amino acid sequence of which has been modified in particular with regard to the use thereof in detergents and cleaning agents, all sufficiently similar lipases having a corresponding modification and nucleic acids coding for them. The invention further relates to methods and uses of said lipases and to agents containing them, in particular detergents and cleaning agents.