57results about "Solid waste disposal" patented technology

The invention discloses a directional pyrolysis method of combustible wastes. The method comprises the following steps: putting the combustible wastes into a pyrolysis furnace; carrying out air replacement on the pyrolysis furnace, namely feeding nitrogen into the pyrolysis furnace and discharging air from the pyrolysis furnace; maintaining the nitrogen pressure in the pyrolysis furnace within 0.05MPa to 0.1MPa; starting the heating to enter pyrolysis states, namely entering different pyrolysis steps according to different pyrolysis demands for the combustible wastes, wherein the different pyrolysis demands comprise the following steps: obtaining pyrolytic carbon of the combustible wastes, obtaining a pyrolytic tar of the combustible wastes and obtaining a pyrolytic combustible gas of the combustible wastes. According to the method, the combustible wastes are directionally pyrolyzed into the organic carbon, the high-calorific-value gas and the tar by regulating the pyrolysis temperature, the pyrolysis pressure, the heating rate and the catalyst adding mode through the utilization of calorific values of the combustible wastes, so that the utilization rate of the combustible solid wastes is greatly improved; the air is isolated, so that the combustion of the carbon and the volatilization of heavy metals and chlorine are reduced. Thus, the discharge of dioxin is below 0.1ng/Nm<3>.

The invention relates to a processing method of changing food waste into resources. Ethanol, methane, liquid fertilizers, solid fertilizers, pet food and the like can be obtained through the following steps of food waste solid and liquid separation and respectively treatment after the food, the potato type, the vegetable melon and fruit type, the animal meal and fish bone type and rubbish sundries are sorted from the solid, and oil for producing biodiesel, soap and glycerin, purified water used for fish culture, water plant planting and farmland and garden irrigation and the like can be obtained after liquid treatment. The methane is used for combustion after being dewatered, and is used for electric power generation after being desulfurized, and the waste heat of the electric power generation is reused. The method of the invention fully utilizes waste materials, produces various products, and has the advantages of low energy consumption and high yield.

A soybean cultivar designated 7509171 is disclosed. The invention relates to the seed of soybean cultivar 7509171, to the plants of soybean 7509171, to plant parts of soybean cultivar 7509171 and to methods for producing a soybean plant produced by crossing soybean cultivar 7509171 with itself or with another soybean variety. The invention also relates to methods for producing a soybean plant containing in its genetic material one or more transgenes and to the transgenic soybean plants and plant parts produced by those methods. This invention also relates to soybean cultivars or breeding cultivars and plant parts derived from soybean variety 7509171, to methods for producing other soybean cultivars, lines or plant parts derived from soybean cultivar 7509171 and to the soybean plants, varieties, and their parts derived from use of those methods. The invention further relates to hybrid soybean seeds, plants and plant parts produced by crossing the cultivar 7509171 with another soybean cultivar.

The invention relates to a permanent-magnetic-ferrite production method and permanent magnetic ferrite, which belongs to the field of magnets. The invention solves the technical problem that the prior art is low in the utilization value of permanent magnetic ferrite recycled material and incapable of recycling permanent magnetic ferrite recycled material to product high-performance permanent magnetic ferrite. The permanent-magnetic-ferrite production method comprises the steps of preparing material, preparing sizing agents, molding, sintering, grinding and washing. A permanent magnetic ferrite product produced by the method has Br more than or equal to 410 mT, Hcb more than or equal to 290 kA/m, Hcj more than or equal to 306 kA/m and BHmax more than or equal to 31.81 J/m, and the performances of the product meet the performance requirements of FB6B series products. The permanent magnetic ferrite can be used for motors, computers and the like of high-grade automobiles, motorcycles and other motor vehicles, and has broad market and application prospects.

The invention relates to treatment equipment for kitchen waste. The treatment equipment comprises a stirring device, a solid-liquid separation device, a solid processing treatment device and an oil-water separator; the stirring device is positioned above the solid-liquid separation device; the lower end of the solid-liquid separation device is provided with a solid outlet pipe and a liquid outletpipe; the solid processing treatment device is arranged at the lower end of the solid outlet pipe; and the oil-water separator is arranged at the lower end of the liquid outlet pipe. According to thetreatment equipment for the kitchen waste, the kitchen waste can be automatically stirred evenly and cut, then solid waste and liquid waste are separated through the solid-liquid separation device, the liquid waste is discharged through the oil-water separator, the solid waste is converted into feed used for fowl after being processed by the solid processing treatment equipment, operation is convenient and labor-saving, and actual production and processing requirements are met.

The invention discloses a kitchen waste collecting and processing device for domestic use. The kitchen waste collecting and processing device comprises a shell, a squeezing device, a drying device and a deodorization device. The squeezing device comprises a hollowed-out material barrel, a squeezing screw rod and a drive handle, the lower right bottom face of the hollowed-out material barrel is provided with a discharging pipe, and the lower side of the circumferential wall of the hollowed-out material barrel is furthermore provided with a sewage channel. The drying device comprises a warm air machine, a cooling fan, transmission wheels and a conveyer belt, the transmission wheels are internally and fixedly provided with transmission shafts, and a discharging opening is formed in the lower right direction of the conveyer belt. The deodorization device comprises an air inlet, a deodorization chamber and an air outlet. Fine and soft kitchen waste is subjected to smashing, squeezing and solid-liquid separation through the squeezing device, the smashed waste and the hard large pieces of waste are dried through the drying device, the bad smell left by the waste is purified and eliminated through the deodorization device, the effects of firstly processing the waste and then classifying and collecting the waste are achieved, and the waste can be better processed and reutilized.

The invention discloses a construction solid waste pick-up box and a recovery processing device thereof and belongs to the technical field of construction solid waste recovery and utilization. The construction solid waste pick-up box comprises a processing box and a collecting box arranged at the front end of the processing box. The processing box comprises a box body, and a conveying device, a crushing device and a screening device arranged in the box body. The collecting box comprises a shell, two scrapers and three cutters. The two scrapers are located at a front opening of the collecting box and are used for scraping the construction solid waste into the processing box from the front end of the collecting box to the back end of the collecting box. A first rotating shaft drives the three cutters to move up and down simultaneously. The three cutters are separately located between two sides of the two scrapers and between the two scrapers in a top view direction of the collecting box.The construction solid waste pick-up box can scrap and pick up the construction waste automatically and efficiently, can prevent jamming and is suitable for different field terrains.

The invention discloses a garbage sorting system and a method. The garbage sorting system comprises a large garbage sorting apparatus (02000), and the large garbage sorting apparatus (02000) comprises a basal part (02017), a sorting plate (0.003) and a driving mechanism (02004); the sorting plate (02003) is provided with screening holes (02005); the back end of the sorting plate (02003) is hinged to the basal part (02017); and the driving mechanism (02004) is capable of driving the sorting plate (02003) to have reciprocating motion relative to the basal part (02017). The provided large garbage sorting apparatus is capable of screening out large garbage through vertical bumping movement of the sorting plate and conveying the large garbage to a designated position for processing, and is capable of furthest providing mechanized operations, and no manual sorting operation space need arranging.

The invention discloses a method and a device for water quenching of yellow phosphorus furnace slag. The method comprises the steps of water-quenching the molten phosphorus slag in a sluiceway by slag flushing water, and separating the phosphorus slag from the water through a dehydrator so as to achieve the aim of separating the quenched slag from the slag water. The method and the device have a good water-quenching effect and a high automation degree and can ensure a clean field environment and guarantee that vapor and harmful substances are orderly collected.

Methods for extracting metalloid and metal species from a solid or liquid material by exposing the material to a fluid solvent, particularly supercritical CO2, and a chelating agent are described. The chelating agent forms a chelate with the species, the chelate being soluble in the fluid to allow removal of the species from the material. In preferred embodiments the extraction solvent is supercritical CO2 and the chelating agent comprises an organophosphorous chelating agent, particularly sulfur-containing organophosphorous chelating agents, including mixtures of chelating agents. Examples of chelating agents include monothiophosphinic acid, di-thiophosphinic acid, phosphine sulfite, phosphorothioic acid, and mixtures thereof. The method provides an environmentally benign process for removing metal and metalloids from industrial waste solutions, particularly acidic solutions. Both the chelate and the supercritical fluid can be regenerated and the contaminant species recovered to provide an economic, efficient process.

The invention relates to a rubbish treatment system and method in order to solve the problem that low-cost rubbish treatment cannot be effectively conducted easily in the prior art. When the rubbish treatment method is used for treating rubbish, the rubbish manufactured by citizens is directly discharged into a municipal sewage pipe network after being smashed and is further scoured continuously by an intermittent siphon scouring and silting device, and accordingly pipeline silting can be prevented. The smashed rubbish is mixed into original municipal sewage and then is conveyed to a service reservoir through the municipal sewage pipe network, the rubbish is matched with farmer market rubbish collected to be made into sewage with the COD content and power of hydrogen being suitable for meeting the growing requirements of methane bacteria, part of organic matter in the sewage can be decomposed into biogas quickly after the sewage passes through a fast biogas digester, and biogas slurry which is not decomposed in the fast biogas digester is then conveyed into a low-speed biogas digester to be fully decomposed to produce a large amount of biogas in the low-speed biogas digester together with collected food waste. By means of the rubbish treatment system and method, the municipal rubbish and sewage can be recovered and treated to the greatest degree, and meanwhile the blocking problem of city sewer lines can be solved.

The invention discloses an improved separating device for a power battery module for a vehicle. The improved separating device comprises a bearing plate, a rack, a first air cylinder, a second air cylinder, a dismounting device, a first conveying device, a second conveying device and a crushing device, wherein the second conveying device is pivoted on the rack through a first pivot; the first air cylinder is used for driving the second conveying device to rotate around the first pivot; the second conveying device is pivoted with a single power battery receiving plate through a second pivot; the second air cylinder is used for driving the single power battery receiving plate to rotate around the second pivot; a blowing device is arranged on the single power battery receiving plate; the dismounting device mainly comprises a parallel frame fixedly arranged on the rack, a sliding sleeve movably sleeved on the parallel frame, a screw-nut pair connected to the sliding sleeve, and a milling cutter assembly connected to the screw-nut pair. By using the improved separating device, the work efficiency and mechanical degree for power battery module separation can be remarkably improved, the safety of operating staff can be sufficiently ensured, and the harmless dismounting of the power battery can be better realized.

The invention provides an integrated totally-enclosed harmless treatment automatic processing combination equipment system of livestock and poultry died from diseases. According to the integrated totally-enclosed harmless treatment automatic processing combination equipment system, acidic electrolyzed oxidizing water technology, screw technology, high temperature hydrolysis technology, microwave drying sterilization technology, and anaerobic fermentation organic fertilizer and biogas technology are adopted.

The invention belongs to the technical field of alkali residue recycling and discloses a reutilization method for alkali-making waste residue liquid. The reutilization method for the alkali-making waste residue liquid comprises the following steps of 1, carrying out rotary liquid separation on the alkali-making waste residue liquid to obtain clear liquid and alkali residues; 2, washing the alkaliresidues with clear water and then drying the alkali residues for sale; 3, clarifying the clear liquid to obtain supernate and thick liquid at the bottom; 4, guiding the supernate out for injection well brine extraction; and 5, dividing the thick liquid at the bottom into dilute-base thick liquid and dry-base thick liquid, wherein the dilute-base thick liquid is used as a raw material for preparing gypsum by reacting with ammonium sulfate, or, serving as a raw material for brick making or desulfurizing agents, and the dry-base thick liquid is directly sent to an anti-seepage treatment site forbackfilling. The invention further discloses a reutilization system for the alkali-making waste residue liquid. The reutilization system comprises rotary liquid separators, a sand separator, a conveyor, a sand washer, a clarifying barrel, a washer and a filter press. According to the reutilization method for the alkali-making waste residue liquid and the system using the reutilization method, theindustrial alkali-making waste residue liquid is treated so that the external emission of solid wastes of enterprises can be reduced and the alkali residue products can be turned from waste into wealth for sale.

The invention relates to the technical field of garbage disposal, in particular to a domestic garbage comprehensive treatment system and process. The system comprises a material bin used for containing domestic garbage, a comprehensive sorting device, a waste plastic disintegrating and oil refining device, a combustible gasification device and a high temperature and high pressure hydrolyzing device, wherein the domestic garbage is dewatered in the material bin to form solid garbage and leachate; the comprehensive sorting device is used for sorting the obtained solid garbage, and the solid garbage is classified into waste plastic, waste metal, combustible, inorganic matter and kitchen garbage in the comprehensive sorting device; the combustible gasification device is used for performing combustion treatment on the combustible; and the high temperature and high pressure hydrolyzing device is used for hydrolyzing the leachate and the kitchen garbage. By means of the system and process, reduction and resourceful treatment of the domestic garbage can be achieved, recycling and cyclic utilization of energy are achieved in the treatment process, and no secondary pollution is generated in the production process.

The invention relates to the technical field of environment protection and energy saving, and particularly relates to an environment-friendly treatment device for animal carcasses. The environment-friendly treatment device for the animal carcasses comprises a humidification case, a gear pump, an oil outlet pipe, an oil-water separation box and a box body, wherein the gear pump is fixedly connectedto the left end of the oil outlet pipe; the gear pump is fixedly connected to the top end of the oil-water separation box; a water outlet pipe, a partition, an oil absorption pipe and a filter screenare sequentially arranged in the oil-water separation box from right to left; the humidification case is slidably connected to the bottom end of the inner side of the box body; an oil collection water pipe is arranged at a lower part in the humidification case; a collection plate is fixedly connected above the oil collection water pipe; steam generators are fixedly connected above the two ends ofthe collection plate; a large blade is fixedly connected to a first rotary shaft; a small blade is fixedly connected to a second rotary shaft; and a charge plate is connected to the top end of the box body in a hinging manner. The environment-friendly treatment device for the animal carcasses is scientific and reasonable in structure, reutilizes the animal carcasses to achieve the effects of environment protection and energy saving, has great economic benefits, meets a wide market need, and is worthy of popularization.

The invention discloses a device capable of separating and recycling metal filings and cutting oil. The device comprises a shell, a connecting cavity is formed in the shell, a working cavity communicating with the connecting cavity is formed in the upper side of the connecting cavity, and a horizontal transmission shaft is rotationally connected to the inner wall of the left side of the working cavity. According to the device, metal strips generated after cutting are crushed through a crushing device, then metal chips and cutting oil can be separated in a centrifugal dewatering mode, workers can conveniently conduct subsequent treatment by extruding the metal chips and the cutting oil, secondary utilization is formed through separation and recovery of the metal chips and the cutting oil, and the economic loss is reduced, so that resources can be utilized more sufficiently.

The invention discloses an electric energy meter scrap disposition device. The electric energy meter scrap disposition device comprises a shell, a conveying mechanism, a smashing mechanism and a connecting rod mechanism, a feeding opening is formed in one side of the top end of the interior of the shell, the side, away from the feeding opening, of the shell is movably provided with a discharging box, the side, close to the feeding opening, of the shell is fixedly provided with the conveying mechanism, the conveying mechanism comprises a first conveying belt, a vertical conveying belt, supporting plates, a fixed clamping groove, a first driving shaft, a driven shaft, a support and a second conveying belt, the side, away from the shell, of the feeding opening is movably provided with the first conveying belt, the side, away from the feeding opening, of the first conveying belt is movably provided with the vertical conveying belt, and the multiple supporting plates are arranged on the positions, close to the two sides of the shell, of the vertical conveying belt. Automatic scrap disposition of an electric energy meter can be facilitated, preparation work is provided for the subsequentclassification operation, the scrap effect is further improved, and the advantages of being simple in structure, convenient to use and good in use effect are achieved.