314 results about "Waste treatment technologies" patented technology

The invention discloses an integrated restaurant-kitchen garbage treatment machine and belongs to the technical field of waste treatment. The machine comprises a hopper, a crushing device consisting of a primary extrusion shaft pair and a secondary extrusion shaft pair, a solid-liquid separation device consisting of a spiral shaft, a filter cartridge, a spiral brush and a collecting tank, an oil-water separation tank and a garbage collecting barrel, wherein the primary extrusion shaft pair is driven by a motor through a belt pulley and the secondary extrusion shaft pair is driven by a shaft pair gear set; the spiral shaft is driven by a spiral gear set; the spiral brush is driven by a chain wheel; the primary extrusion shaft pair is engaged through a primary gear pair; the secondary extrusion shaft pair is engaged through a secondary gear pair; the hopper is a double-layer primary filtrate type hopper; a gap is formed in an inner layer of the hopper; and a liquid guiding pipe connected with a filter cartridge is arranged on the lower part of the hopper. The treatment machine rapidly and effectively separates restaurant-kitchen residues timely and reduces the waste of organic substances, and pigwash recovery is reduced by over 70 percent. The equipment is not blocked and is convenient to clean; grease is fully recovered; the equipment has high treatment capacity and high degree of automation; and the machine is suitable for various restaurants, dining halls and other places.

The invention belongs to the plasma waste treatment technology field and relates to a high-temperature incineration and solidification method for radioactive waste resin plasma. The method comprises the following steps: mixing a waste resin with a curing agent and heating the obtained product, with organic ingredient generating combustible gas and inorganic ingredient collecting slag; cooling the obtained product to form a vitreous body; subjecting the combustible gas and air to co-combustion to generate fume; cooling the generated fume and filtering out dust; spraying lye into the obtained product, removing the dust, and cooling the fume; and heating the fumes and discharging the remaining fumes. The method in the invention solves technology problems of a small volume-reduction ratio and unstable products in technology of the prior art, and achieves beneficial effects of a large volume-reduction ratio and stable products.

The invention discloses a curing agent for curing radioactive wastes containing borate, belonging to the technical field of a waste treatment. The curing agent is the mixture of cement and sodium silicate, wherein the weight ratio of the cement to the sodium silicate is 100 to (1-15). The invention also discloses a method for curing the radioactive wastes containing the borate by utilizing the curing agent. The mixture of the cement and the sodium silicate in the invention can be used for curing the radioactive wastes generated in a nuclear power station, avoiding the phenomenon of non-condensing cement slurry because of the delayed coagulation of the borate adsorbed in the wastes on the cement and cracking of cement curing bodies after being soaked in water, enhancing the capacity, shortening the initial coagulation time of the cement slurry, and ensuring that no crack is generated on the surfaces of the curing bodies and various performance indexes can meet the requirements of the national standard GB14569.1-93.

The invention discloses a solid waste recycling treatment technology. The technology comprises a solid waste pretreatment stage, a pyrolysis stage, a condensation stage and a classified collection stage. The technology specifically comprises the steps that solid wastes are loaded into a collection hopper to be subject to preliminary screening, magnetic metal is sorted out, smashed and fed into a pyrolysis reactor to be subject to pyrolysis, steam, liquid fractions and gas generated after pyrolysis are cooled through a water cooling tank, components condensed into liquid in the water cooling tank are collected, the condensed gas is subject to low-temperature liquefying through a liquefying device and is collected, and solid residue obtained after pyrolysis is conveyed to an ash dividing hopper; the solid waste treatment technology is simplified, anaerobic heating is carried out through a spiral stirring heating pipe, the pyrolysis steps are simplified, the solid phase, the liquid phase and the gas phase generated after pyrolysis are collected in a classified manner, gas fuel, liquid fuel and solids used for building materials can be obtained, waste disposal is reduced, natural resources are sufficiently utilized, and emissions of harmful substances are reduced.

The present invention discloses a hazardous waste compatibility system, and belongs to the technical field of waste treatment. The hazardous waste compatibility system comprises a basic configurationunit for configuring and modifying basic data; a hazardous waste collection unit for implementing order check and a contamination composition record on the collection process of the hazardous waste; an analysis unit for establishing a database associated with all stored hazardous wastes; a warehouse management unit for implementing functions such as accounting entry of hazardous wastes, inbound/outbound inquiries, and the like; and a compatibility processing unit for performing compatibility processing on the to-be-compatibility processed hazardous waste, in order to obtain at least a compatibility scheme, wherein the waste disposal station staff selects a to-be-compatibility processed hazardous waste from at least one compatibility schemes for compatibility and incineration. Beneficial effects of the technical scheme of the present invention are as follows that: the automatic compatibility of industrial wastes is achieved, the detection function of the waste compatibility is provided,the safety of the compatibility scheme is ensured, and the environmental pollution after waste incineration is reduced.

The present invention discloses an automatic pig breeding farm waste treatment system and method. The system comprises inside-pigsty feces and urine separation mechanical manure scraping equipment, outside-pigsty manure automatic transporting equipment, manure fermentation equipment and sewage purification treatment equipment. According to the large-scale pig farm automatic waste treatment technology provided by the present invention, automatic control can be realized, and working efficiency of feeders is raised; with utilization of a mechanical manure scraper, water using amount of a large-scale pig farm is saved, and sewage treatment burdens are also reduced; and an electric transportation dung-cart is used for transporting the manure to a fermentation tank, and organic fertilizers obtained after the fermentation are applied to fields, thereby reducing the using amount of chemical fertilizers.

The invention relates to a wet sludge incinerating treatment device and relates to the waste treatment technology. The treatment device comprises a circulating fluidized bed hearth, a separator, a material returning device, a tail flue, a duster, a chimney and a fluidized bed type sludge drier, wherein an exhaust outlet and a wet sludge inlet are arranged at the top of the sludge drier, an air distributing device and a dry sludge outlet are arranged at the bottom of the sludge drier, and a heat release coil filled with a heat transfer medium is arranged inside the sludge drier; an air preheater and a heat exchanger are arranged in the tail flue; the heat exchanger is communicated with the heat release coil in the sludge drier; a secondary air port, a material returning port and a dry sludge inlet are arranged at the lower part of the sidewall of the circulating fluidized bed hearth; and the dry sludge inlet is communicated with the dry sludge outlet of the sludge drier, and the secondary air port is communicated with the exhaust outlet of the sludge drier. By adopting the device provided by the invention, the heat from sludge incineration is recovered as much as possible by a process as simple as possible, the wet sludge is incinerated with low energy consumption, and the gas is simultaneously subjected to deodorization and harmless treatment.

This invention discloses a method and a device for composting rest materials of kitchens by corrosion-catalyst, which adds a corrosion-catalyst solution into an analog rest material of kitchen composed of potatos, rice, carrots, leaves, meat, soya and plant soil in a certain proportion to process them and keep the compost system under room temperature and ventilation, in which, the application of corrosion-catalyst can increase the degradation rate and degree of organic matters and increases the effect of the compost products, the degradation rate is increased by 76%, the degradation degree of organic matters of the compost products is increased by 16.3% and content of NH4+-N is increased by 62.4%.

The invention provides an extracting solvent, a method for treating waste based on the same and application of the method. The extracting solvent is prepared from halogenated hydrocarbons and alkanes. The method comprises the following steps: mixing and stirring the extracting solvent with oil-containing waste; then separating solid-liquid phases through centrifuging; pouring a separated solid phase into a distillation device for heating and drying, and recycling water and the extracting solvent in the solid phase; pouring a separated liquid phase into the distillation device, and recycling the water, oils and the extracting solvent. According to the extracting solvent, the method and the application, provided by the invention, the problems that an oil-containing waste treatment technology in the prior art is narrow in application range, high in energy consumption, complicated in technology, high in cost, easy to cause secondary pollution and the like are solved; the extracting solvent, the method and the application, provided by the invention, have the advantages that not only can oil-based drillings generated during a drilling process be treated, but also oil-containing sludge generated during oil field exploitation and transportation can be treated, recycling and reutilization of the oil and the extracting solvent can be realized, a technological process is relatively simple, the extracting efficiency is high, centralized treatment is suited, harmlessness and reclamation can be realized, the secondary pollution cannot be caused, and the like.

The invention relates to the technical field of synthesizing of TDI (toluene diisocynate), in particular to the technical field of treatment of wastes in the synthesizing process, and discloses a coarse TDI treatment method. The method is characterized in that coarse TDI is modified through polymerized MDI (methylene diphenyl diisocyanate), and thus novel modified isocyanate can be produced and can be used as a raw material for producing a polyurethane adhesive. The production method is simple; the prepared polyurethane adhesive is high in performances. With the adoption of the method, the technical problems in the prior art that the cost of treating coarse TDI in the TDI synthesizing process is high, the generated tar solid wastes are hardly treated and the environment is polluted can be solved; the tar solid wastes can be effectively reduced, and thus the environmental pollution is reduced; and the economic benefit is high.

The invention discloses an oil-water separator, which belongs to the technical field of waste treatment. The oil-water separator comprises a case, wherein the upper part of the case is a filter cavity and the lower part of the case is a separating cavity; and a combined tank consisting of an oil storage tank, a mixing tank and a water storage tank, connecting pipelines and valves are arranged in the separating cavity. The oil-water separator has the advantages of high separation efficiency, complete oil-water separation, no need of loading or transporting waste cooking oil, no need of chemical agent or energy source, no secondary pollution, low cost and convenient use. The separator can treat the waste cooking oil produced by catering services in situ; one equipment can simultaneously realize solid-liquid separation and oil-water separation; the recovered grease can be used as a raw material for the chemical industry; and the discharged sewage meets the national emission standard. The separator can retain food residues and grease of kitchen wastes of canteens, hotels and restaurants from the source and reduce grease content in the sewage. The separator realizes effective management of the kitchen wastes, enhances operability of the management, prevents the waste cooking oil from returning to dining tables, ensures food safety and effectively reduces pollution of kitchen sanitary sewage to environment.

The invention relates to the technical field of organic waste treatment and provides a biomass waste treatment device. The biomass waste treatment device comprises a main body, a conveying mechanism, a cutting mechanism and an injection mechanism, wherein the main body comprises a shell, an extrusion plate and a partition plate; the shell encloses to form a working cavity with a feeding opening; the working cavity is divided into a cutting cavity, a material falling cavity and a fermentation cavity by the extrusion plate and the partition plate; the feeding opening is communicated with the cutting cavity; the extrusion plate is provided with a plurality of extrusion meshes; the conveying mechanism is arranged at the feeding opening and is used for feeding raw materials into the cutting cavity; the cutting mechanism comprises a roller and a first motor; the first motor is arranged on the shell; the roller is coaxially arranged on an output shaft of the first motor and positioned in the cutting cavity. According to the embodiment of the invention, the biomass waste is fermented after being shredded, so the fermentation efficiency is greatly improved.

The invention belongs to the technical field of nuclear waste treatment, and relates to a treatment method of radioactive waste negative ion exchange resin. The method includes the steps: adding oxidizing agent hydrogen peroxide solution, catalysts and defoaming agents into the radioactive waste negative ion exchange resin; inorganically treating organic components in the radioactive waste negative ion exchange resin by controlling temperature and pH (potential of hydrogen) of reaction. The catalysts are mixture of Fe2+ and Cu2+. By the treatment method of the radioactive waste negative ion exchange resin, oxidative degradation efficiency of the radioactive waste negative ion exchange resin can be improved within a short reaction time, usage amount of the defoaming agents is reduced in thetreating process, and the utilization rate of oxidizing agents is increased in the treatment process.

The invention provides a waste honeycomb activated carbon regeneration process, and belongs to the technical field of waste treatment. The waste honeycomb activated carbon regeneration process solvesthe problems of resource waste and the like caused by direct incineration disposal of existing waste activated carbon, and comprises the following steps: S01, pyrolysis desorption: firstly preheatingthe waste honeycomb activated carbon, and then performing pyrolysis desorption at the temperature of 500-600 DEG C, S02, activation: at the temperature of 850-950 DEG C, by water vapor, conducting activation treatment on the activated carbon subjected to pyrolysis desorption in the step S01, and S03, cooling: cooling the activated carbon in the step S02 to obtain regenerated activated carbon, wherein the step S01, the step S02 and the step S03 are all carried out under the condition of vacuum oxygen deficit. The process can activate and regenerate the waste activated carbon.

The invention relates to the technical field of oil field waste processing, in particular to an oil field waste classification recovery processing device. The oil field waste classification recovery processing device comprises a shell, a feeding hopper, a slag outlet pipe and a filtering net; and a connecting pipe which is vertically arranged is fixedly connected to the center position of the topend of the shell, a supporting frame which is arranged horizontally is fixedly connected to the inner side of the shell, a fixing pipe which is arranged vertically is arranged on the inner side of thesupporting frame, the feeding hopper is fixedly connected to the bottom end of the fixing pipe, the slag outlet pipe is rotationally connected to the outer side of the bottom end of the feeding hopper, a connecting rod which is horizontally arranged is fixedly connected to the inner side of the bottom end of the shell, a multi-groove cam is rotationally connected to the left end of the connectingrod, and the filtering net is horizontally arranged over the connecting rod. According to the oil field waste classification recovery processing device, solid residues which are separated out can bedischarged, the device can conveniently classify and collect the oil field waste, meanwhile, impurities can be filtered out more completely through the filtering net, waste recovering and using are facilitated, the huge economic benefits and the wide market prospects are achieved, and the device is worthy of use and popularization.

The invention provides a kitchen garbage treatment device and relates to the field of waste treatment technologies. The kitchen garbage treatment device comprises a solid-liquid separation bin, an oil-water separation bin and a garbage compression bin, wherein a filter plate is arranged in the solid-liquid separation bin, filtrate holes are formed in the filter plate, the oil-water separation binis arranged at the lower side of the filter plate, a water-seeping oil-isolating layer, an oil storage tank and a water storage tank are arranged in the oil-water separation bin, the water-seeping oil-isolating layer is arranged obliquely, an oil discharging groove is formed in a bottom edge position of the water-seeping oil-isolating layer, the oil discharging groove communicates with the oil storage tank, the water storage tank is located at the lower side of the water-seeping oil-isolating layer, the garbage compression bin is arranged at the outer side of the filter plate and communicateswith the solid-liquid separation bin, an inner cylinder is movably installed in the garbage compression bin, an opening is formed in the top of the inner cylinder, a driving mechanism and an extrudingplate are arranged, corresponding to the opening, at the top of the garbage compression bin, and the extruding plate is matched with the opening of the inner cylinder in shape.

The invention belongs to the technical field of waste treatment, and particularly discloses an environment-friendly waste incineration treatment device. The environment-friendly waste incineration treatment device comprises an incinerator, a feeding opening, an igniter, a motor, a smoke discharging cabin and a controller; the igniter is located on one side of the lower side of the incinerator; themotor is located at the top of the incinerator; the output end of the motor penetrates through the top of the incinerator and extends into the incinerator; a heat collection unit is arranged at the top inside the incinerator; a stirring unit is arranged below the heat collection unit; and a filtering unit is arranged on one side of the incinerator. By the aid of the environment-friendly waste incineration treatment device, the waste incineration efficiency can be improved, and heat and smoke produced by waste incineration can be utilized, so that the utilization rate of resources is increased.

The invention relates to a technology for making environment-friendly composite pavement bricks and in particular relates to a waste treatment technology for making composite pavement bricks by utilizing domestic wastes and construction wastes. The waste treatment technology is characterized by drying, screening and grinding the domestic wastes to prepare solid wastes, grinding the construction wastes into powder or fine granules after screening the construction wastes, grinding fluorine gypsum and fly ash into powder, adding 25-35% of domestic wastes, 25-35% of construction wastes, 10-15% of fly ash, 15-20% of fluorine gypsum, 5-10% of cement, 3-5% of aluminium potassium sulfate and 2-5% of acrylic construction gelatine powder to a stirrer and fully stirring the materials uniformly, then sprinkling water and stirring the materials until the raw materials are moist and loose and have certain viscosity, throwing the raw materials into a brick making machine to undergo press forming, curing the formed bricks for 5-7 days in a storeroom with relatively stable temperature and humidity, and delivering the bricks.

The invention provides a plastic garbage smashing and drying device and belongs to the technical field of waste treatment. The plastic garbage smashing and drying device comprises two feeding holes, asmashing cavity, a drying cavity and a base, wherein the two feeding holes are formed in the upper end of a box; an air inlet pipe is arranged at the upper ends of the feeding holes; tremie pipes arearranged at the lower ends of the feeding holes; an air compressor is arranged at the upper end of the air inlet pipe; and the air inlet pipe is connected with the air compressor. When the plastic garbage smashing and drying device is used, plastic garbage is put into the device from the feeding holes; the air compressor drives the plastic garbage to enter into dispersing discharging pipes; the plastic garbage is uniformly discharged through the dispersing discharging pipes to prevent too-fast discharging from damaging smashing teeth; the plastic garbage is smashed through smashing rollers; the internal diameters of each of upper-end smashing rollers and each of lower-end smashing rollers are different, and the smashing degrees of the upper-end smashing rollers and the lower-end smashingrollers are different, so that thorough smashing is ensured; the plastic garbage falls down on a spiral blade through a partition board, and the spiral blade conveys and smashes the plastic garbage; during the conveying process, the drying device dries the plastic garbage; and the conveying is uniform to ensure complete drying.