320results about How to "Significant economy" patented technology

The invention discloses a man-machine interactive system and a real-time gesture tracking processing method for the same. The method comprises the following steps of: obtaining image information of user side, executing gesture detection by a gesture detection unit to finish separation of a gesture and a background, and automatically determining a smaller rectangular frame which surrounds the hand as a region of interest in the image information through a vision algorithm; calculating the hand profile state of each frame in a video sequence by a gesture tracking unit; executing validity check on hand actions according to the calculated hand profile state, and determining the gesture action finished by the user; and generating a corresponding gesture action control instruction according to the determined gesture action, and making corresponding feedbacks by a three-dimensional user interface according to the gesture action control instruction. In the system and the method, all or part of gesture actions of the user are sensed so as to finish accurate tracking on the gesture, thus, a real-time robust solution is provided for an effective gesture man-machine interface port based on a common vision sensor.

The invention relates to the technical field of organisms, and particularly relates to a forest cultivation method of morchella crassipes. The forest cultivation method is a cultivation method for producing the morchella crassipes by a free forest land. The cultivation method comprises the following steps of: selecting a forest land suitable for growth of the morchella crassipes as the forest land to be cultivated; preparing the forest land to be cultivated before sowing; spreading solid cultivated species of the morchella crassipes on the prepared forest land to be cultivated; and carrying out forest land management until harvesting the morchella crassipes after sowing. A method for cultivating the morchella crassipes under the forest, expanding the cultivation range of the morchella crassipes, and improving the yield and the quality of the morchella crassipes is provided by the invention; the problem of low yield of the natural morchella crassipes is solved fundamentally; a foundation is provided for large-scale production of the morchella crassipes; and the forest cultivation method has significant economic and ecological benefits and wide application prospect.

The invention belongs to the technical field of environmental engineering, and particularly relates to a process for preparing a sludge autoclaved aerated concrete building block. The process mainly comprises the following steps of: (1) quickly stirring and mixing spare dried sludge, water and lime, coal ash, cement, gypsum and aluminum powder with physical and chemical properties meeting the brick making requirements in a certain ratio and in turn; (2) feeding the mixture obtained in the step (1) into a die, and putting the die into a thermostatic curing box of 40 DEG C or 60 DEG C to perform foaming and curing for 4 hours; (3) putting the blank foamed and cured in the step (2) into an autoclave, and curing the blank for over 8 hours by adopting a stepwise buck-boost curing mode; and (4) piling the product discharged from the autoclave outdoors for over 2 days. The process can reach hazard-free and recycling treatment of urban sludge, save clay resources and save the brick making cost, and has remarkable economic, social and environmental benefits.

The invention belongs to protective fishery field, which in detail relates to two-cycle water treating system for industrialized fish culturing, with main characteristics being: internal recycle pool structure of various shape taking square outside and round inside as representation, cultivating fish in circular pool, the quadrangle outside pool is biological filter; water and pollution discharging pipe are equipped in bottom of pool; the mating outside circular system comprises drainage ditch, out biological filter and artificial wet land, feed ditch, pollution collecting tank; special air raising pump of U shape, high effective aeration, water raising cycle; the artificial wet land and out biological filter are combined together, depositing, filtering, adsorption, bacteria degradation, adsorption by aquatic plant and animal and cleaning water body high effectively; constructing open water inlet and outlet pitch which also used as biological filter by using fish pond to realize omni-bearing restore of cultivating wastewater. The invention is characterized by less equipment investment, low energy consumption, safe and reliable operation, convenient management and maintenance, outstanding ecological, economical and social benefit, low production cost and increased quantity and quality.

The invention discloses a three-layer fabric and a tatting technique thereof. Side openings at both sides of the cloth width of the three-layer fabric are tatted into a single layer, a surface layer and a liner layer comprise foundation tissues and jacquard or pattern tissues, the foundation tissue of the surface layer is tatted by surface warp and surface weft, the jacquard or pattern tissue is tatted by liner warp and liner weft, the foundation tissue of the liner layer is tatted by the liner warp and the liner weft, the jacquard or pattern tissue is tatted by the surface warp and the surface weft, and a middle layer comprises a layer of middle weft and is clamped and fixed by a binding tissue in a complete tissue; at the junction of the foundation tissue and the jacquard or pattern tissue, surface-liner connection and liner-surface connection are carried out to form the binding tissue; the tatting technique comprises seven procedures of fabric design, warp beaming, loom tacking, tatting, desizing, softening and water washing, adopts a set of surface weft yarn system, a set of middle weft yarn system, a set of liner weft yarn system and two sets of warp yarn systems for tatting,and the tatting sequence is the surface firstly, the middle secondly and the liner thirdly or is reverse; and the invention solves the problem that the prior art is difficult to tatt a fabric which can be directly used for producing an air-conditioning bedding and has the required thickness, and has obvious use value and economic value.

The invention belongs to the field of building materials and relates to a concrete capable of comprehensively utilizing industrial and constructional waste. The raw material components of the concrete in terms of mass percentage content is as below: calcium materials which include 15-40 percent of high-sulfur petroleum coke clinker and 0-15 percent of cement, 59.95-70 percent of silicon material and 0.05-0.2 percent of foaming agent. The invention provides a new approach for reasonably and cleanly utilizing construction garbage, industrial residuals, high-sulfur petroleum coke clinker and other industrial wastes, breaks through the technical bottleneck of using a low-silicon material to produce aeroconcrete and expands the application scope of aeroconcrete materials. The preparation method is simple; and bricks, building blocks and walling materials of other forms, which are produced through a steam pressure curing process, not only have high strength, but also embody waste utilization, environment protection and resource saving, use raw materials which can be more widely obtained, can absolutely replace the existing walling materials of the same type, and have remarkable economic and social benefit and wide application prospect.

A method for preparing biogas by joint anaerobic fermentation of food waste, urban sludge and urban excrement, comprising the following steps: (1) pretreatment system: food waste, urban sludge and urban excrement undergo a pretreatment process to obtain granules (2) homogeneous system: the materials processed in step (1) enter the homogenizing tank one after another, mix evenly and degrade part of the suspended matter, so that the particle size of the solid material is less than 20-25mm, and obtain Fermentation substrate with a solid content rate of 8 to 12%; (3) anaerobic fermentation system: the fermentation substrate treated in step (2) is transported to an anaerobic fermentation tank by a pump and adopts a continuous fermentation process and a mesophilic anaerobic fermentation The anaerobic fermentation method combined with jet stirring produces biogas, biogas residue and biogas slurry. The combined anaerobic fermentation preparation method of the present invention has the effects of complete material fermentation and high gas production rate.

The invention discloses an ethynylation catalyst for synthesizing 1, 4-butynediol. The ethynylation catalyst is composite oxide of Cu, Bi, Si and Mg, and has the particle size distribution that the particles with the particle sizes less than or equal to 0.710 mum account for 9%, the particles with the particle sizes of 0.711-1.589 mum account for 80%, and the particles with the particle sizes more than or equal to 1.590 mum account for 11%; the ethynylation catalyst is prepared by a coprecipitation method or an impregnation-precipitation method. The ethynylation catalyst is used for synthesizing the 1, 4-butynediol in an ethynylation reaction of formaldehyde and acetylene, and is high in catalytic activity; the conversion rate of the formaldehyde reaches up to more than 97.0%, the selectivity of the 1, 4-butynediol reaches up to more than 98.7%, and the yield of the 1, 4-butynediol reaches 96.2%; furthermore, the ethynylation catalyst is long in service life.

The invention provides a preparation method of a freeze-dried powder standard sample of an animal-sourced substrate drug and a metabolite residue thereof. The method includes following steps: feeding experimental animals with drugs, wherein a drug feeding method is feeding, injecting or medicated bath with one or more drugs; controlling a feeding time; obtain a sample material containing raw drugs and/or metabolites through metabolism in animal bodies; adding a vitamin C solution; performing a mashing and homogenizing process to obtain meat paste; performing a vacuum freeze-drying process, a crushing and sieving process and a nitrogen-filling package process and a vacuum packaging process. In addition, a degreasing, repeated homogenizing and sieving process is included or not included according to fat content in an animal substrate. The standard sample can be transported at normal temperature and is long in preserving time. A situation of combination of a target object and the substrate is coincided with that of an actual detection sample. The standard sample can be used of quality controlling of relative detection and analysis, is homogeneous and stable, is convenient to transport, is reliable in use and has significant economic value and market competitiveness.

The invention pertains to the technical field of composite material science and environmental protection and relates to opening coal dust polluting inhibitor and the preparation method thereof. The inhibitor is the hydrophilic material compounded by a plurality of compounds, and every compound and the weight percentage thereof is that: 15-20 percent main film forming resin, 25-30 percent auxiliary film forming resin,1-2 percent thickening agent, 15-20 percent dispersant, 2-3 percent mould inhibiting antiseptic agent, 1-2 percent anti-sedimentation agent, 2 percent defoamer, 15-20 percent powder and 3-5 percent color paste. The invention adopts the theory of gravity flow mat gloss solidification, which effectively overcomes the disadvantages of uneven film forming thickness, long film forming time, poor stability of film layer, etc of original self-solidification inhibition materials. The invention has low price, and production thereof is simple and practical; in addition, the invention has remarkable economic, environmental and social benefits, and is applicable to treat raised dust pollution in the fields of shipping, power, mine, road, metallurgy, etc.

The invention discloses an siRNA of a targeted long-chain noncoding RNA DDX11-AS1 and applications thereof in liver cancer treatment. Through designing and synthesizing the siRNA of the DDX11-AS1 andtransfecting a liver cancer cell line with the siRNA, it is proved that the siRNA can targetedly inhibit expression of the DDX11-AS1, can significantly suppress liver cancer cell proliferation, invasion and migration and can induce liver cancer cell apoptosis. A novel target point for research and development of a liver cancer treatment medicine is provided.

The invention relates to a tunnel lining structure using concrete filled steel tubes and laminated plates and a construction method thereof, and belongs to the technical field of tunnel construction.A concrete filled steel tubular arch frame is used as a support to install the laminated plates, longitudinal and circumferential rebars are bound on truss rebars of the laminated plates, and then concrete is poured to form a secondary lining structure of a tunnel. According to the tunnel lining structure using the concrete filled steel tubes and the laminated plates and the construction method thereof, the secondary lining construction technology of the tunnel with saving space, fast construction speed and strong adaptability of special-shaped section is proposed, the construction process oftunnel secondary lining is improved, and it is helpful to quicken construction schedule and save construction cost; the stiffness and bearing capacity of the initial supporting structure are greatly improved, the adaptability of the special-shaped section of the tunnel lining construction is improved, and the section prefabricated assembling construction of steel pipes is convenient and fast.

The invention relates to a preparation method and use of an aqueous polymer/isocyanate adhesive, which belong to the technical field of chemical adhesives. In the invention, recycled polyethylene terephthalate (PET), diethanol amine, caprolactam and aqueous solution of glacial acetic acid are used to prepare a PET water-based polymer; toluene diisocynate and castor oil are used to prepare an isocyanate-terminated polyurethane prepolymer; and when used, PET aqueous polymer emulsion and the isocyanate-terminated polyurethane prepolymer are mixed at room temperature to obtain the aqueous polymer/isocyanate adhesive. The aqueous polymer/isocyanate adhesive is used for adhering wood.

The invention discloses a manufacturing method of flavouring cooking wine, which comprises the following steps: adopting yellow water, squeezing liquid of distiller's grain, wine end and special cavity wine as raw material; predisposing the raw material; boiling; dispensing; filtering; blending the yellow water and distiller's grain with weight rate at 1. 5-5: 1 to do basylous action through hypercritical CO2 extraction; adding 0. 05-0. 1% aromatic yeast in the slurry; culturing at 30 deg. c for 2-5d; adding the cultured slurry into 0. 1-0. 5%. composite condiment material to boil 10-20 min; cooling to 33-35 deg. c to add 20-50% wine end to blend to produce the semi-product; dispensing the semi-product with special cavity wine and edible salt according to the standard of SB/T10416-2007 flavouring cooking wine. The invention prevents environmental pollution of yellow water, wine end and distiller's grain to realize maximum resource transition utility, which saves a large amount of grain and simplifies the technique and operation with low cost and rapid effect in comparison with traditional brewing technique.

The invention relates to a method for recycling arsenic-containing waste residues, which comprises the two steps of the alkaline leaching of the arsenic-containing waste residues and acid-washing separation of extract. The method comprises the following specific steps of: mixing the arsenic-containing waste residues, an inorganic strong alkaline solid and an alkaline leaching medium according to a certain ratio, reacting for 10 to 180 minutes by mechanically stirring and then filtering, and performing safe landfill in the subsequent process, wherein compared with the quality of non-processed residues, the quality of filter residues is reduced by 80 to 98 percent; adding filter liquor into concentrated acid for acid washing at the temperature of between 10 and 25 DEG C for 1 to 2 hours, wherein the added amount of an acid-washing medium is 5 to 10 volume percent of the alkaline leaching solution; filtering the mixture, and after washing filter residues with 0.02 to 1 percent dilute acid, drying to obtain As2O3 powder (the purity is over 95 percent); and returning acid-washing filter liquor and dilute acid washing liquor to the alkaline leaching step. The method has the advantages of simple process, convenience of operation, low cost, small secondary pollution and the like, and at the present, arsenic-containing waste residues pour in the environment, the method has the obvious economic, social and environmental benefits.

The invention discloses an alkali lignin concrete water reducing agent, a preparation method and application thereof. The preparation method comprises the following steps: dissolving the alkali lignin in water, adding amines and dropping aldehydes into the mixed solution, reacting the mixed solution to get aminating alkali lignin; adding sulfonating agent into the aldehydes and reacting to get alkane sulfonate compounds; then mixing the aminating alkali lignin and the alkane suflonate compounds to conduct polycondensation, getting alkali lignin concrete water reducing agent, wherein the alkali lignin is 100 parts, amines are 5-20 parts, aldehydes are 20-50 parts, sulfonating agent is 50-100 parts and the surfactant is 2-6 parts(by weight part). The water reducing agent is used for preparing concrete, and the dosage of the water reducing agent according to the weight percentage is 0.2-0.6% of the cement in the concrete. The concrete water reducing agent of the invention has advantages of abundant material source, no toxic, simple production technology and low cost with a water-reducing rate of 22.5%, which significantly increases the fluidity of the concrete and improves the intension of the concrete.

The invention discloses a method for treating arsenic-containing wastewater by using a multiphase Fenton system based on iron oxide. The method is characterized in that firstly, the pH of the arsenic-containing wastewater is adjusted to range from 2.0 to 9.0, then an iron oxide catalyst and a hydrogen peroxide oxidizing agent are added, so that an organic arsenic compound completes form transformation from organic arsenic to inorganic arsenic in the multiphase Fenton system based on the iron oxide, meanwhile, released inorganic arsenic forms Fe-As chemical coordinate bonds through binding state iron central atoms on the surface of the iron oxide to be effectively adsorbed, and the arsenic pollutant in the arsenic-containing wastewater is removed. Degradation from organic arsenic to inorganic arsenic and adsorption of the inorganic arsenic can be finished simultaneously in one step, the iron oxide serves as an efficient adsorption material of the inorganic arsenic as well as a Fenton reaction catalyst for degrading the organic arsenic to the inorganic arsenic, and the treatment cost of the organic arsenic wastewater is effectively reduced while the reaction efficiency and the operation simplicity are greatly improved.

The invention relates to a combined skin face measuring flexible multi-point support device, adopting a modularization design idea. The whole device is composed of a plurality of positioning plates and shape-regulating components. The positioning plate appears as a flat T-shape, and screw holes and matching faces are arranged on the plate. The shape-regulating component consists of a basic pillow and a nail-height regulating unit. The shape-regulating component is horizontally arranged along X direction, and the central distances are all fixed. The positioning plates are divided into two symmetrical lines along Y direction, and each positioning plate is connected with the same end of two neighboring shape-regulating components. The shape-regulating components and positioning plates of different quantities are connected and combined to form the support devices of different sizes and specifications. The quantity of the shape-regulating components and positioning plates can be determined according to the size of the skin parts. The device of the invention realizes the flexible clamping and greatly reduces the quantity of special clamps and work pieces so as to reduce cost and coordination links and to shorten preparation period, with distinct economical and time benefits.

The invention provides a cementing material containing silicon-calcium slag and a preparation method thereof. The cementing material comprises the following components in percentage by weight: 30-65 percent of the silicon-calcium slag, 5-40 percent of coal powder ash, 10-30 percent of cement clinker, 5-30 percent of pelletized blast furnace slag, 3-10 percent of gypsum and 0.5-3 percent of an additive. The preparation method comprises the following steps: mixing the silicon-calcium slag, the coal powder ash, the cement clinker, the pelletized blast furnace slag, the gypsum and the additive to obtain a mixture; and grinding the mixture to obtain the cementing material. The cementing material provided by the invention has high early strength and high later strength. In particular, the cementing material is prepared of solid wastes such as the silicon-calcium slag and the coal powder ash, so that environmental protection is facilitated, and resources are saved.

The present invention relates to an activated coke for absorbing persistent organic pollutant like dioxin in flue gas and a preparation method thereof by using coal quality semi coke as a raw material. The preparation method is as follows: crushing the coal quality semi coke; impregnating the coal quality semi coke with an impregnating solution containing metal hydroxide or alkali metal carbonate activator and compound surfactant, and naturally drying; and finally activating the impregnated and dried semi coke at 800-950 DEG C to prepare the activated coke for absorbing dioxin in flue gas. The activated coke has characteristics of developed porous structure, low manufacturing cost and good adsorption effect, etc.

A low-pressure thermoshrinking material is prepared from waste plastics, LLDPE, EVA, EPT rubber, chlorosulfonated polyethylene, zinc stearate, carbon black, aluminium hydroxide, silane coupling agent, flame-retarding agent FR-E, antioxidant 1010 and light-resisting ageing agent Gw-540.1 through mixing and cross linking.

The invention discloses a method for breeding earthworms through biomass solid waste. The method includes the steps of (1) mixing the biomass solid waste with livestock and poultry feces in a breeding device after the biomass solid waste is smashed, (2) reacting the mixture for 5 days-9 days at 50 DEG C-90 DEG C to obtain earthworm breeding matrixes, (3) placing the earthworms in the earthworm breeding matrixes, and adjusting the pH value, the humidity and the temperature to carry out breeding, (4) after the earthworms are bred for 18 days-22 days, harvesting the earthworms when the weights of the earthworms range from 400 milligrams to 500 milligrams, and the density of the earthworms ranges from 15,000 to 20,000 per square meter, and (5) scraping the breeding matrixes on the upper layer after the earthworms are bred for three days, and adding the new breeding matrixes, wherein the scraped breeding matrixes are earthworm feces organic fertilizers. The method has the advantages that the biomass solid waste is decomposed and converted in the bodies of the earthworms through feeding habits and intermediate propagation and metabolism of the earthworms, the high-quality earthworms and high-quality earthworm feces are obtained, the biomass solid waste is recycled, land resources are saved, the resource use efficiency is improved, and the remarkable economic benefits are obtained.

The invention relates to a method and a device for preparing novel fuel from municipal domestic waste completely and belongs to environmental protection on energy sources. The method comprises the following steps: separating out reusable substances such as plastic, metal and glass bottles from the municipal domestic waste serving as the only raw material; removing unrecoverable substances such as stones, bricks and cement; using the residual garbage as the raw materials of the novel fuel; breaking bags; sorting; sieving; drying; and performing extrusion molding to obtain the novel fuel. The method and the device can solve the problems of treatment and comprehensive utilization of municipal domestic waste. The fuel product can replace the resources such as solid combustible mineral coal, coke and the like, becomes a substituted energy product for large-scale thermal power plant and domestic fuel, is an important energy replacement and supplement measure, and has very important social and economic significance.

The invention discloses an environmentally-friendly multifunctional dust suppressant and a preparation method thereof. The environmentally-friendly multifunctional dust suppressant comprises the materials in percentage by weight: 0.05-2.50% of carboxymethylcellulose, 0.05-2.50% of chitosan, 0.1-0.5% of acetic acid, 0.25-1.00% of glycerol, 0.05-0.15% of sodium alkyl benzene sulfonate, 0.01-0.05% of copper sulfate, 2-20% of magnesium chloride and the balance of water. The dust suppressant provided by the invention is remarkable in dust suppressant and loss preventative effect. Compared with other dust suppressants, the preparation method has the following advantages: the machining process is simple and convenient, the cost is lower, the dust suppressant time is long, the performance cost ratio is high, and the components are independent. The liquor of the dust suppressant is free from any toxic and side effects and corrosive effect, and the dust suppressant can be biodegradable and is free from any secondary pollution. The dust suppressant provided by the invention can be widely applied to the fields of construction sites, cement plants and coal storage and transportation and dust suppression.

The invention relates to a new process for treating coal gasification wastewater with active coke, which comprises the following steps: first-stage absorption is carried out on coal gasification wastewater by directly using active coke to remove most of COD, suspended matters and chroma; after the absorption treatment, the outlet water enters an immobilized microbe-anaerobe filter chamber (hereinafter referred to as I-AF) and immobilized microbe-aerobe aeration biological filter (hereinafter referred to as I-BAF) system to be biologically treated, thereby removing most of ammonia nitrogen and COD in the wastewater; second-stage deep absorption is carried out on the outlet water performed by I-AF+I-BAF processing by using active coke; and the outlet water satisfies Grade 1 in Sewage Comprehensive Emission Standard GB8978-96. Compared with the traditional treatment process, the invention has the advantages of simple technical process, low treatment cost, favorable COD and ammonia nitrogen removal effect, small occupation area of facilities, and convenient operational management. In addition, the saturated active coke can be recycled by heating in the anaerobic atmosphere, and the phenols in the saturated active coke can be recycled or the saturated active coke can be directly used as fuel. The invention can be used for treating coal gasification wastewater, coked wastewater and the like at low cost, and has unique effects for treating various high-concentration industrial wastewaters and modifying the prior processes.

The invention discloses a slow sinking type puffing aquatic product matched pellet feed. The pellet feed contains 9-15% of carbohydrate and 8-22% of grease. The puffing degree of the pellet feed is 1.1-1.25, and the volume mass is 380-420kg/m<3>. The pellet feed is a special feed with low sugar and high grease for artificial carnivorous fish culture. The invention also provides producing equipment and method of the pellet feed. The producing equipment comprises a crusher, a mixer, a quality controlling machine, a dual-screw puffing machine, a granulating machine, a dryer and the like which are sequentially connected. A screw assembly in the dual-screw puffing machine consists of a delivering area screw, a kneading area screw and a forming area screw. The invention can obviously enhance the quality of the fish, greatly reduce the generation of fatty liver in the fishes, and ensure the uniform size of the finished fishes.

The invention discloses a method for the preparation of menthone. A palladium-ruthenium catalyst is used for heterogeneous catalysis under mild conditions, and isopulegol is used for the preparation of the menthone. The palladium-ruthenium catalyst can be used for efficiently catalyzing the isopulegol and making the isopulegol convert into menthone under the mild conditions.

The invention discloses a method for improving the ability of paddy parasitoids to control rice hoppers and rice leaf tiers, which pertains to a technical filed of agricultural biological control of insect pests. The method comprises the following steps: (1) a bund is consolidated 30 days before seedling transplanting of single cropping rice or double-cropping late rice; (2) sesame seed is sowed in the bund 30 days before seedling transplanting, and urea is applied after sesame is in bloom and potassium dihydrogen phosphate is applied on leaf area; (3) pesticide is not allowed to use within 40 days after seedling transplanting and steps such as spraying pesticide under the condition of no wind 40 days after seedling transplanting are carried out. The method of the invention is characterized by labor saving, time saving, simple operation, etc. and can not only improve the ability of paddy parasitoids to control rice hoppers and rice leaf roller but also reduce the application of pesticide with obvious economic, ecological and social benefits. The method can be widely applied in rice cultivation areas.

The invention discloses a steel slag-desulfurized gypsum based soil solidification agent applicable to arsenic contaminated soil. The soil solidification agent contains the ingredients in percentage by weight: 40% to 45% of steel slag, 15% to 25% of desulfurized gypsum, 22% to 30% of slag, 7% to 10% of cement clinker and 3% of excitant. According to the soil solidification agent disclosed by the invention, arsenic is solidified and stabilized mainly by means of chemical wrapping and in-phase replaced solidifying, and the age of a solidifying reaction can be shortened and the mixed amount of the solidification agent and solidified volume increase ratio in engineering applications can be lowered while a solidifying effect is guaranteed, so that the solidifying efficiency is increased greatly.

The invention discloses a method for oil sludge tempering and solidification pelletizing. The method comprises the steps that oil sludge is injected into an oil sludge concentration pot to be subjected to demulsification, flocculation, settling and separation, oil sludge containing water on the lower portion and a flocculation modifying agent are mixed and then enter a horizontal type spiral centrifugal machine to be separated, separation liquid enters a pressure filter to be filtered under pressure, an obtained filter cake and an oil sludge cake obtained through centrifugal separation are mixed to be used as oil sludge to be treated, and the oil sludge, a solidifying agent and a tempering addition agent are mixed to form an uniform-form material to be added into a pelletizer to be pelletized. The compatibility and miscible adsorbability are improved, a guarantee is provided for harmless treatment and resource utilization of oil sludge, and economic and environmental protection comprehensive benefits are remarkable.