5963 results about "Refuse Disposals" patented technology

Relating to the technical field of resource recovery and recycling, the invention discloses a resource-based and harmless treatment method for kitchen waste. The method is directed at the problems of high salt content in fertilizer products, easy cause of soil salinization, and large equipment investment for anaerobic fermentation of total waste in existing kitchen waste treatment methods. The method comprises the steps of: (a) kitchen waste sorting; (b) water bath desalting: adding water, and conducting heating and stirring to dilute salt; (c) solid-liquid separation: dehydrating the waste; (d) solid material aerobic fermentation: crushing the dehydrated solid material into small particles, and conducting aerobic fermentation and drying treatment to obtain an organic fertilizer; and (e) waste liquid anaerobic fermentation: conducting oil-water separation on the waste liquid, recovering grease, subjecting sewage to anaerobic fermentation, making the produced biogas residue and biogas slurry into a liquid fertilizer, and taking the produced biogas as the fuel of a biogas boiler. The method provided by the invention is particularly suitable for resource-based and harmless treatment of kitchen waste.

The invention discloses a kitchen waste disposer. The kitchen waste disposer comprises a rack body, a cylinder lifting and turning device, a switching door cover, a material hopper, a crushing device, a solid-liquid separating device, a squeezing and lifting device, a fermenting and drying device and an oil-water separating device, wherein the cylinder lifting and turning device, the switching door cover, the material hopper, the crushing device, the solid-liquid separating device, the squeezing and lifting device, the fermenting and drying device, and the oil-water separating device are commonly arranged on the rack body. The kitchen waste disposer provided by the invention can sequentially carry out crushing operation and solid-liquid separation operation on kitchen waste, and further carries out squeezing and dehydration operation on solid kitchen waste, fermenting and drying operation on the solid kitchen waste, and oil-water separation operation on liquid kitchen waste, so that the continuous feeding and continuous discharging production process of the kitchen waste disposer can be realized, and the production efficiency is high. The entire kitchen waste disposer is conveniently, intensively and intelligently controlled, and is particularly applicable to kitchen waste disposal in fields in a small-scale area, such as hotels and restaurants.

The invention relates to a harmless disposal method of kitchen garbage, which comprises the following steps of: (1) pretreatment: after unloading the kitchen garbage, performing solid-liquid separation, rough crushing, crushing and sorting and performing magnetic separation, and recycling metal substances mixed in the kitchen garbage; (2) hydrothermal hydrolysis: after the pretreatment, adopting the hydrothermal hydrolysis to fully inactivate viruses and bacteria in the kitchen garbage, separating out animal and vegetable fatty oil from the kitchen garbage, and hydrolyzing organic materials at the same time; (3) using the fatty oil obtained in the step (2) as an industrial fatty oil material or further performing deep processing to obtain fatty acid methyl ester or biodiesel; mixing and proportioning the pasty organic materials and then conveying into an anaerobic fermentation system; and conveying large granular organic materials into an aerobic biological fermentation device. The method provided by the invention realizes harmless disposal of the kitchen garbage mainly by the pretreatment and the hydrothermal hydrolysis process, increases the conversion rate of biological energy of the kitchen garbage and increases the economic benefit of kitchen garbage recycling products.

A bed is provided with a mattress having a removable insert, the insert incorporates an opening therein to receive a seat. The seat includes a flange contacting the top surface of the removable insert. An annular cartridge of compressed disposable tubing is positioned within an annular well formed in the bottom surface of the removable insert. The disposable tubing extends from the annular cartridge upward over the flange of the seat and downward through the opening in the mattress insert.

The invention discloses a treating technical method for food wastes and treating equipment, which relate to the technical field of screening and oil water separation in food waste treatment; the technique method comprises the following steps: the food waste is recycled by bag crushing, magnetic separation, coarse residue screening, hot water washing, solid-liquid separation of fine residue and secondary oil water separation with water in a separator of oil, water and fine residue. The treating equipment of food wastes for realizing the technique method mainly comprises a charging part, a conveying part, a bag-crushing device, a magnetic separator, a coarse residue separating part, a solid-liquid separator, a dehydrating unit, an oil water separator and the like. The invention can carry out grading screening, solid-liquid separation, oil water separation and resource recycling on food wastes, has continuous operation in use, thorough treatment and high efficiency and can protect environment.

The invention discloses a method for resource recovery and classification utilization of urban domestic wastes, which at least comprises the following steps of: a magnetic separation step, a waste cutting step, a elutriation flotation step, a waste extrusion dehydration step, an anaerobic treatment step and a sludge deposition concentration step; scrap iron is separated by the magnetic separationstep for the recovery and utilization of the scrap iron; anaerobic organic matter is crushed by the waste cutting step; pasty organic matter and block non-anaerobic wastes are thoroughly separated bythe elutriation flotation step so as to allow the pasty anaerobic organic matter to enter a biogas generation pool or tank for an anaerobic reaction and to allow the clean non-anaerobic wastes to be extruded, dehydrated and dried for individual treatment, and the waste decrement is above 90%; after elutriation, the left 10% non-anaerobic wastes are prepared into fuel oil by a cracking reaction; or are recycled through screening with no screening difficulty being caused by dust and organic matter containing in the wastes; or are delivered into a gasifier for fuel gas production, which preventsthe energy consumption of water-containing organic matter during waste incineration treatment, and greatly increases the thermal efficiency of waste treatment.

The invention relates to a method for comprehensively treating municipal solid waste. The method comprises mechanical treatment steps of manual sorting, bag breaking, magnetic separation, screening with a roller, winnowing and pulpifying and biological treatment steps of anaerobic digestion and aerobic composting. By combining all the steps for use, different components in the municipal solid waste are classified according to physicochemical properties of the components and then are treated; magnetic metal, plastic paper and the like which are obtained through sorting are recycled; organic waste obtained through sorting is crushed and pulpified and then is subjected to anaerobic digestion so as to produce methane; sludge is subjected to aerobic composting so as to produce organic fertilizer; the residual inorganic substances which cannot be treated or recycled can be subjected to sanitary landfill; and odor which is produced in the waste treatment process is treated in a centralized way, and then is discharged after reaching the standard. The method has great significance for treating the increasing municipal solid waste.

A biologic process for treating the organic garbage coming from kitchen includes breaking, dewatering, microbial treating, processing tail gas to generate Co2, separating oil from water, and treating sewage. Its advantages are high effect and no secondary pollution.

The invention discloses a kitchen waste disposal method, which comprises the following steps of: (1) screening and crushing kitchen waste; (2) carrying out damp and hot hydrolytic treatment; (3) carrying out solid-liquid separation; (4) carrying out fat separation; (5) pulping; (6) carrying out fermentation pretreatment, and (7) converting solid matter microorganism. According to the kitchen waste disposal method disclosed by the invention, from the view point of improving the biodegradation efficiency and the biogas production efficiency of the kitchen waste, the methane is prepared from compound microorganism bacterium agent and the processed kitchen waste by mixing and fermenting, and the microorganism bacterium agent fundamentally solves the problems of high saline matter and high fat of the kitchen waste and odour in a biological treatment process, and greatly improves the efficiency of producing the methane by anaerobic digestion.

The invention relates to a domestic organic food waste treatment method and domestic organic food waste treatment equipment. The treatment method comprises the following steps of: a, performing solid-liquid separation on domestic organic food wastes on the spot; b, treating solid wastes, namely, putting the solid wastes produced in crushing into a fermentation machine and adding more than one microorganism for deodorization, fermentation and decomposition to obtain a primary bio-organic fertilizer; and c, treating waste liquor, namely, adding more than one microorganism into the waste liquor produced in dehydration and performing degreasing and purification treatment. The treatment equipment comprises a dehydration platform, a crusher, a waste liquor purification tank and the fermentation machine, wherein the crusher is positioned below the dehydration platform. Through the method and the device, before rotten, the domestic organic food wastes are treated to produce the primary bio-organic fertilizer, which reduces waste flow links, and the harmless in-place treatment of the domestic organic food wastes is realized.

An environmentally-friendly medical waste treatment device comprises a base, a treatment box is arranged on the upper end of a pillar, a crushing mechanism is arranged on the upper side of the inner part of the treatment box, a filter screen is arranged on the inner part of the treatment box, a vibration mechanism is arranged at the lower end of the filter screen, a cleaning mechanism is connectedto the left side wall of the treatment box, a conveying mechanism is installed on the upper end of a frame, and a collection mechanism is arranged on the right side of the upper end of the base. Thedevice is reasonable in structure and design, wherein a first crushing roller and a second crushing roller rotate relatively through a counterclockwise first motor to crush medical wastes; the filterscreen realizes solid-liquid separation, and a second motor drives a cam to rotate to slightly vibrate the filter screen, so that the efficiency of the solid-liquid separation is improved; a water pump sprays disinfectant through a spray nozzle to the medical wastes for disinfection treatment; an electromagnet in a sieving room can adsorb and screen some metal needles or scissors in the wastes, sothat the waste of resources is avoided, the rest of the wastes finally enter a collection box for compression, the volume of the wastes is reduced, and the transportation is convenient.

The present invention relates to a comprehensive treatment method of refuse. Said method includes the following several steps: spraying biological chemical solution, deodorizing by using ozone, UV ray sterilization, separation, including biological solution separation, magnetic separation, pneumatic separation, vortex flow separation, drum sieve separation and vibration sieve separation, so that the refuse can be separated into 10-odd substances of iron, aluminium, other metal, plastic film, hard plastics, waste fabric, waste glass, organics, broken brick and waste battery, etc. The above-mentioned wastes can be used for making fertilizer, can be recovered and can be made into other useful resources.

The invention discloses a restaurant-kitchen garbage sorting system. The system orderly comprises a scrubbing oil groove for separating grease from residues, a bag breaking conveyor for tearing a plastic package and a drum screening machine for screening the residues into coarse material and fine material, and a coarse material outlet and a fine material outlet are arranged on the drum screening machine, a coarse material spiral conveyor and a fine material spiral conveyor are respectively arranged corresponding to the coarse material outlet and the fine material outlet, a crusher is arranged at an outlet of the coarse material spiral conveyor, a pulping machine is arranged at an outlet of the fine material spiral conveyor, and a horizontal flow pool for dividing the pulp from the crusher and the pulping machine into light material and heavy material. Therefore, the restaurant-kitchen garbage sorting system can effectively treat the bagged garage without manual operation, and improve the garage processing efficiency; and the garage can be classified so as to be convenient for recycle.

The invention relates to a treating method for energy regeneration, resource recovery and pollution free of restaurant garbage, which comprises the steps that separated liquid material is pumped into a swage concentrating pool; then the concentrated liquid material is discharged into a regulating and pretreating pool, in which methane bacteria are inoculated; the pretreated liquid material is discharged into an anaerobic fermentation pool, in which anaerobic bacteria groups are added so that methane gas is generated and the overflowing liquid material from the anaerobic fermentation pool is led to enter an aerobic aerated pool for aerobic reaction; the liquid material after the aerobic reaction is discharged into a sedimentation tank for sedimentation. In the comprehensive utilization of 'swill', the disposing method of the invention carries out anaerobic fermentation and aerobic aerated biochemical treatment to transform part of the energy in the swill into bio-energy which is then transformed into heat energy and finally into electrical energy that is connected with power grid for use. The separated solid material is smashed, dried, sterilized, dehydrated and then added with Chinese herbal medicine to be processed into Chinese herbal medicine compound feeds and fertilizers; meanwhile, the treatment of energy regeneration, resource recovery and pollution free of restaurant garbage for restaurant garbage is realized.

The invention relates to a water washing garbage treatment method, wherein a purpose of the invention is to achieve urban garbage resource comprehensive utilization. According to the method, urban garbage is cleaned by using a running water washing manner, processes of dehydration, drying, winnowing, ??fine sorting and the like are performed, and classification centralization comprehensive utilization is performed; the water washing garbage sewage is treated through a sewage purifier to be rapidly recycled; and the production process adopts a cleaning production process, and no secondary pollution is generated. According to the present invention, the integrated design comprises water washing garbage sorting classification, fertilizer production through organic matter fermentation, heat supply through combustible combustion, a biogas engineering technology, a sewage treatment system and a plurality of mature application technologies; the urban garbage is adopted as a new urban mineral resource, and a water washing garbage resource comprehensive utilization workshop is established in a garbage landfill collection field so as to eliminate garbage pollution hazards; and sustainable development of large-scale garbage treatment industry is promoted, high economic benefits, social benefits and environmental benefits are generated, and good benefits are provided for humans.

The invention discloses a technology for treating landfill leachate, which comprises the steps of pretreatment, upflow type sludge bed reaction, nitrification and denitrification reaction, mud-water separation and membrane treating. The technology for treating landfill leachate treats the landfill leachate by comprehensively using physics and biochemistry method, which largely reduces the cost for treating the leachate, simultaneously promotes effluent water quality at large amplitude, and can be widely used for treating landfill leachate in a waste treatment plant.

The invention discloses a garbage treatment device for new energy production and a using method thereof. The garbage treatment device comprises a supporting seat, a treatment box is arranged at the upper end of the supporting seat, the rear end of a first rotating shaft is connected with a transmission assembly, a water-pressing assembly is arranged at the upper end of a supporting plate and communicates with a spraying assembly, a material-squeezing assembly is arranged on a transverse plate, and the left side of the material-squeezing assembly is connected with a material-blocking assembly.Crushing rollers on the two sides rotate oppositely to grind and crush garbage, the two crushing rollers and the garbage are cleaned through the water-squeezing assembly and the spraying assembly, through a material-passing cylinder, most of alloys in the garbage can be attracted by electromagnets, a filter plate realizes solid-liquid separation of garbage waste liquid, through downward moving ofa material-blocking plate, the garbage can be intermittently discharged, and the garbage is squeezed by the material-squeezing assembly so that more spaces can be saved for storing the more garbage, the treatment frequency is lowered, smashing rollers on the two sides rotate oppositely to further smash the garbage, thus the garbage is crushed more thoroughly, and the solid-liquid separation efficiency is improved through a vibrating assembly.

An intelligent and information multi-vehicle collaboratively operating municipal refuse collection and transfer system and method are provided. The system comprises an automated system with multiple-degree of freedom intelligent dustbin grabbing, an operating system with two types of refuse vehicles collaborating, a multi-vehicle collaborative operation information system, and a fixed-point refuse collection operation confirmation and remote monitoring information management system for coordinating overall operation of the systems. The automated system with multiple-degree of freedom intelligent dustbin grabbing system is used for the refuse vehicles to automatically collect dustbins; the operating system with two types of refuse vehicles collaborating comprises a plurality of small- and medium-sized refuse vehicles and large capacity refuse vehicles. The small- and medium-sized refuse vehicles collect refuse in the dustbins according to multi-vehicle collaborative operation information with the support of the multi-vehicle collaborative operation information system, and the large capacity refuse vehicles are used to dock with the collected refuse and transport the refuse out of town with the support of the multi-vehicle collaborative operation information system. The method is the implementation of the above system. The system and method have good operability and high degree of intelligence and provide good results of refuse disposal.

A method of immersing-burning-evaporating percolating water of second-phrase landfills, which could dispose percolating water of landfills, leach liquor of refuse burning factories and high concentration organic waste water. Burning landfilled gases or other goods as sources of energy, the resultant high-temperature gases are entered the inner of liquid of a two-stage evaporating unit, evaporating and concentrating the percolating water,the condensated liquor could be discharged for coming up to standards, the concentrated water should be solidified, landfilled, burned or recharged. The process could separate volatile organic compounds and water from percolating water, volatile organic components are mostly oxidizing into CO2 and H2O, which reduces the pollution on environment. Steam produced in the second-step evaporating unit could preheat the original percolating water, which improved heat conductive efficiency, and saving energy.

The invention discloses a treating method of resource recycling of wastes, comprising the following steps of: (1) coarse classification of wastes; (2) pretreatment and gasification of combustible components; (3) an overall process of resource classification, treatment and utilization of the wastes; and (4) combustion power generation of combustible gases, comprising thermal gases generated in the step (2) and the step (3) and combustion power generation of methane introduced into an internal combustion engine. In aspect of municipal solid waste aerobic-anaerobic highly-efficient fermentation technology, the invention solves the difficult problems of slow fermentation starting, long period, difficult bacteria culture and circulation and easy acidosis of municipal solid wastes and simultaneously develops an organic fertilizer production technology aiming at resource utilization of corrodible organic matters; under the same scale, by adopting the treating method, the landfill site is greatly saved and the capitalized cost is only 30 to 50 percent of incineration power generation, which is equivalent to sanitary landfill; and the waste treatment and operation cost does not reach one half of incineration and is close to the cost of the sanitary landfill.

The invention discloses an urban waste classification treatment monitoring system based on the Internet of Things. The system provided by the invention contains a central processing module; a satellite positioning module which forms a wireless connection with the central processing module; several wet waste treatment monitoring systems which respectively form a wireless connection with the central processing module and are used to monitor the wet waste treatment flow of a wet waste recycling bin, a regional wet waste centralized recycling station, a wet waste transport station, a wet waste transport vehicle and a wet waste disposal factory at real time; and several dry waste treatment monitoring systems which respectively form a wireless connection with the central processing module and are used to monitor the dry waste treatment flow of a dry waste recycling bin, a regional dry waste centralized recycling station, a dry waste transport station, a dry waste transport vehicle and a dry waste disposal factory at real time. According to the invention, dry and wet wastes are separated for processing so as to minimize waste moisture and burning fetor, increase burning calorific value, promote energy conversion and raise waste utilization rate.

The automatic bag opening and slitting machine has a spike star wheels assembly comprising either of one or a combination of star wheels or cylindroid drum like object. The star wheels assembly is provided with spikes which convey a bag, impaled on the spikes when in an extended position, and extends beneath rotary cutting disks driven by two independent pneumatic or electric motors, that may make a continuous cut around three sides of the bag, so that after cutting thereof, the bag comprises two halves joined only at the rear or trailing side of the bag. These two bag halves are unfolded as one half of the bag engaged by the spikes is drawn around the upstream end of the star wheels assembly, while the other half slides over the rocker arm/bag separation bar/slide guide bar, thus emptying the powder/granular content of the bag into a hopper and releasing the emptied bag by retraction of the spikes from the bag for collection therebelow into a chute, for disposal into an endless screw which extrudes the bag into a compaction tube. The compacted bags are thereafter pushed into a waste plastic bag for refuse disposal.

The invention discloses a house refuse treatment method, which comprises the following steps: crushing and fermenting refuse at normal pressure and under normal pressure; executing a screening process, crushing large or large-grain inorganic materials among oversize materials on a coarse screen, and making an urban coal material; coarsely screening, crushing stone and brick blocks among oversize materials on a medium screen, and making a roadbed material or pavior brick base material; making fertilizer by using organic materials or fermented products of the organic materials among the oversize materials and undersize materials of the medium screen and a fine screen, wherein materials with recycling value among magnetic materials screen out are sold directly, and materials without recycling value are collected and subjected to innocent treatment; and performing manual sorting, wherein materials with recycling value are directly sold. When the method is used for refuse treatment, the construction investment is small, the operation cost is low, the operation is simple, the treatment effect is desirable, and the resource recycling degree is high. The method can be widely used for treatment of refuse of different sizes and qualities without causing secondary pollution.

The invention relates to sorting refuse disposal system and its method. The system comprises distributing device, feeding belt conveyer equipped at outlet of distributing device, sorting device under the outlet of feeding conveyor, two outlets on sorting device, regrading device under the outlet of organic matter, organic matter discharging belt device equipped at discharging side, garbage container under the discharging side, and discharging belt device under the inorganic matter outlet. The invention comprises the following steps: anti-odor treatment, sending garbage to sorting device to complete selective breaking sorting; organic refuse biological treatment or composting process. The invention is adapted to various garbages and sorting garbage at its source.

The invention relates to a municipal refuse handling method and equipment. The handling method includes the steps of squeezing for water removal, magnetic separation sorting, first-stage smashing, blasting separation, second-stage smashing, biomass fuel adding, pelletizing and particle burning heating and steam generation or power generation; and the handling equipment comprises a feeding conveying device, a magnetic separation conveying device, a material collecting hopper, a discharging plate, a magnetic separation device, an air blower, a mixing and stirring machine, a refuse water removal roller press, a biomass particle machine, a refuse smashing machine and a smokeless burning device. According to the municipal refuse handling method and equipment, the refuse handling process is simple, a bonding assistant does not need to be added during pelletizing, and manufactured municipal refuse combustible particles are smooth in surface, compact in structure, higher in calorific value, high in drying degree and free of pollution during burning.

The invention discloses a garbage disposal waste heat power generation system with an internal steam pipe, which comprises a garbage gasifier and a turbine steam power generation device. The turbine steam power generation device comprises a steam generator, a steam discharge pipe, a steam drum, a steam turbine and a power generator, wherein the steam drum, the steam turbine and the power generator are sequentially connected, and the steam generator is arranged in the garbage gasifier and is of a cylindrical cage type structure comprising an upper annular pipe, a plurality of straight pipes and a lower annular pipe. As the steam generator is arranged in the garbage gasifier to realize primary heat exchange and a heat exchanger is additionally arranged in a flue gas channel to realize secondary utilization, heat generated in garbage disposal is used to the maximum extent, the technique with low heat utilization rate of a waste heat boiler for traditional garbage disposal steam power generation in the past is thoroughly changed, and garbage disposal heat recovery is maximized. Owing to a four-step hydraulic pusher, garbage is increasingly looser in the process of entering the garbage gasifier, and is not blocked.