191results about How to "Reduce subsequent processing costs" patented technology

The invention discloses a metal wire rod precision alignment cutting device and a method. The device comprises a double-layer machine frame. A front end guiding tank, a revolving alignment tank, a traction mechanism, a back end guiding tank, a cutting mechanism and a machinery sizing mechanism are arranged on the top portion of the double-layer machine frame. The revolving alignment tank comprises a revolving alignment straight tank support seat, an alignment guiding tank, a plurality of alignment modules and a protection cover. The traction mechanism comprises a traction mechanism support seat, a servo motor, a driving friction wheel and a driven friction wheel. The cutting mechanism comprises a cutting wheel support frame, an air cylinder, a cutting wheel motor and a slice-shaped cutting wheel. The machinery sizing mechanism comprises a horizontal scale plate, a pressure sensor, an infrared transmitting sensor and an infrared receiving sensor. The method includes the steps that the metal wire rod enters the revolving alignment tank through a front end guiding rank. The metal wire rod is alignmented, tracted, cut and prepared and enters the next working circulation. The metal wire rod precision alignment cutting device and the method is high in automatic degree. The shape of the cut metal line segment and the size precision are high. The cutting opening is smooth, free of deckle edge and free of splitting off. The metal wire rod precision alignment cutting device and the method are strong in practicality.

The invention discloses a train brake lining with an adjuster, comprising an installation plate, an adjuster, friction blocks and a spring retainer ring, wherein the adjuster comprise an installation lug boss and an adjuster positioning convex pin, a tail connection shaft for the friction blocks passes through a through hole on the adjuster and a friction block installation hole on the installation plate, and the end part of the tail connection shaft is elastically connected with the installation plate through the spring retainer ring; in the friction blocks, first friction blocks are hexagon bodies, second friction bodies are pentagon bodies, one face of five side faces of each second friction block, facing the outside of the installation plate, is a cambered face, the second friction blocks are arranged along the periphery of the front side of the installation plate and surround the first friction blocks in the middle, or the second friction blocks are distributed along the inner and outer arc edges of the front side of the installation plate in two rows and sandwich the first friction blocks. The train brake lining with the adjuster can improve an effective friction area during working and effectively decrease the occurrence of the phenomena of cracking, falling, defecting, performance declination and the like of the friction blocks, and has strong heat dissipation capability.

The invention relates to a method for promoting sludge to be reduced by ozone, in particular to a technology used for pretreating the sludge and accelerating anaerobic sludge digestion speed by utilizing ozone oxidation technique, which is widely applied to the sludge treatment technique of a sewage plant. The method comprises: the residual sludge of the sewage plant is concentrated and then treated by a sludge pretreatment reactor; due to the strong oxidizing property of ozone, the cell wall and the cell membrane of microorganism inside the sludge are broken, and a great deal of organic matter is released out of cells; after being treated by the ozone, the sludge enters into an anaerobic digestion reactor, and anaerobic digestion can be carried out in a closed anaerobic state; gas generated by digestion is treated by a gas purifying device, and methane can be obtained; after anaerobic digestion, the sludge is treated by flocculation and dehydration, and dewatering sludge can be obtained; then, final treatment can be carried out, for example, the sludge can be used for manufacturing agricultural fertilizer, bricks, porcelain granules or auxiliary fuel of fire coal; and anaerobic supernate is treated by biological filtering bed technique, so that the organic matter, ammonia and nitrogen in the solution can be removed.

The invention relates to a method for detecting and classifying pixel defects in inkjet printing of a printed display panel and a device thereof. The method comprises the following steps: obtaining the image of a panel to be tested in blocks; when an original image is received, preprocessing the original image; when the pre-processed original image is received, stitching all the partitioned imagesof the same panel ; when the original image is received, segmenting the image is segmented; when the segmented original image is received, using a classifier in machine learning to classify the image, if there is no defect, the image entering the subsequent process, and if there is any, giving the prompt; when the original image of the defective pixel is prompted after the classification is received, positioning and subclassifying the defective pixel of the image, and carrying out statistical analysis of the category and the number of the defective pixels of the image to indicate corresponding defects. The invention aims at solving the problems that the manual detection and classification exist for a long time, the efficiency is low, the detection result is easy to be influenced by humansubjective factors, and the consistency is poor.

The invention discloses a preparation method for a Cu-MoCu-Cu composite sheet, which comprises the following steps: 1, adding additives to molybdenum powder, milling for mixing and rolling to form a thin molybdenum plate billet; 2, degreasing the thin molybdenum plate billet; 3, sintering to form a porous molybdenum plate; 4, placing the porous molybdenum plate between two copper plates for copper infiltration and coating to obtain a copper-coated molybdenum-copper alloy plate; and 5, warm rolling, annealing and leveling to obtain the Cu-MoCu-Cu composite sheet. The preparation method is simple, no special equipment is needed, and industrial production can be easily realized. The powder-rolled sheet type molybdenum skeleton capable of facilitating infiltration is subject to the copper infiltration and coating, the preparation process of the copper-coated molybdenum-copper alloy plate is shortened, the follow-up processing cost of the copper-coated molybdenum-copper alloy plate is reduced, the yield is increased, the interface of the prepared copper-coated molybdenum-copper alloy plate has high bonding performance, and the Cu-MoCu-Cu composite sheet can be prepared through rolling the copper-coated molybdenum-copper alloy plate.

The invention discloses a recycling method of waste hydrochloric acid containing aluminum and belongs to the technical field of recycling of waste acid containing aluminum. The method comprises the following steps of: (A) carrying out sand filtration on a waste hydrochloric acid washing liquid of an aluminum casting to remove suspended matters; (B) passing the waste hydrochloric acid washing liquid without the suspended matters through a fixed bed adsorption tower which is filled with strong-alkali anion exchange resin and provided with a heat insulation jacket under the conditions that the temperature is 5-45 DEG C and the work flow is 0.5-3.0BV / h; C) adding industrial hydrochloric acid in the processed effluent liquid so that the concentration of HCl is increased to 8mol / L, and then returning the effluent liquid back to a production process to be used as an aluminum casting hydrochloric acid washing liquid for circulating use; and D) passing distilled water or deionized water which is used as a regenerating agent through a resin bed to exchange and elute aluminum complex anions on a strong-alkali anion exchange resin, so as to form an aqueous solution containing aluminum trichloride, wherein the aqueous solution containing aluminum trichloride can be directly used as a purifying agent byproduct. According to the invention, the strong-alkali anion exchange resin is applied to the treatment and resource recovery of the waste hydrochloric acid washing liquid of the aluminum casting, thereby achieving the zero emission of the waste hydrochloric acid washing liquid of the aluminum casting and realizing the complete recycling of hydrochloric acid.

The invention provides a ceramic filler for wastewater treatment, a production method for the ceramic filler and a wastewater treatment device. Through adoption of the ceramic filler for the wastewater treatment, problems that the improvement of the nitrogen and phosphorus removal efficiency is difficult, the sludge amount is large and the follow-up sludge treatment cost is high, which are caused by low carbon source utilization rate of conventional spherical light ceramic particles, are solved. The ceramic filler comprises a ceramic particle base body in which micro-holes communicated with the outer side are distributed, and is characterized in that carbon sources are filled in the micro-holes; the outer periphery of the ceramic particle base body is coated with a coating used for sealing the carbon sources in the micro-holes. In addition, the invention further provides the production method for the filler and the wastewater treatment device employing the filler.

The invention relates to modified PTFE (polytetrafluoroethylene) fiberglass cloth for copper-clad plates and a preparation method of the fiberglass cloth. The modified PTFE fiberglass cloth comprises a fiberglass cloth body which is coated with modified polytetrafluoroethylene glue solution in the coating amount of 80-260g / m<2>. The preparation method includes uniformly mixing ceramic powder, silicon dioxide powder, silane coupling agent, water and PTFE emulsion to form the modified polytetrafluoroethylene glue solution, soaking the fiberglass cloth in the modified polytetrafluoroethylene glue solution at constant speed, removing excessive glue solution via extrusion of an extrusion roll, putting the soaked fiberglass cloth in a drying oven for drying, and finally cutting and reeling. The preparation method is simple and easy for step operation, the prepared modified PTFE fiberglass cloth can meet the requirements for electrical performance of the plates, subsequent processing cost can be lowered, addition amount of the ceramic powder is controlled to regulate the size of dielectric constant, and the copper-clad plates prepared can be applied to more fields.

The invention discloses a distillation method and a combined ageing method of solid state brewed liquor, and belongs to the field of liquor brewage. In order to overcome the defects of an existing ageing method, such as long ageing time and insufficient flavor after ageing, the invention provides the distillation method and the combined ageing method of the solid state brewed liquor. The method combines distillation ventilation treatment, enzyme treatment, heating temperature control, ultrasonic treatment and micro-oxygenation to promote association of molecules in the liquor and bump of molecular energy while accelerating generation of flavor substances, so as to promote ageing of the liquor. The ageing method can obviously shorten the ageing of liquor, and the total acid and total ester in the liquor reach the national standard; in addition, the method effectively reduces the content of harmful substances in the liquor, and is suitable for demands of large-scale industrialization. Accordingly, the invention has quite wide market prospects.

The invention discloses a method for recovering copper from brownification waste liquid. The method comprises the following steps: within the temperature of 30 to 100 DEG C, adding an alkaline substance in the brownification waste liquid, controlling the adding amount of the alkaline substance to control the pH value of the waste liquid to be 2-3, then filtering the liquid, adding an electrolytic additive into the filtrate, and carrying out electrolysis at 30-60 DEG C. Through the adoption of the method, copper can be effectively recovered from the brownification waste liquid to reduce waste metal pollution. According to the invention, the copper recovery rate is up to 99%, and after liquid is processed, the content of copper in the waste liquid is less than 100 mg / L. After recovery of copper, the follow-up processing cost for the organic waste in the brownification waste liquid is greatly reduced.

The invention relates to the field of high-strength and high-plasticity magnesium lithium alloys, in particular to a novel ultralight high-strength and high-plasticity magnesium lithium alloy and a preparation method thereof, and solves the problem that a magnesium alloy is difficult to synchronously achieve high strength and high plasticity. Alloy elements are reasonably selected; and a long-period structure phase is introduced in a high-Li-content magnesium lithium alloy basal body to prepare a Mg-Li alloy with ultralow density, high strength and high plasticity. The magnesium lithium alloy material is a single-phase alloy in a Mg-Li alloy beta-Li phase area, and comprises the following component elements: 11.5-30% of lithium (Li), 2-6% of zinc (Zn), 3-10% of yttrium (Y) and the balance of magnesium (Mg). The alloy is higher in room-temperature forming capacity, can be cold rolled as a thin plate (0.3-5 mm), and is simple and convenient to operate a machining process. The alloy material reaches the tensile strength of ob=180-320 MPa, the yield strength of o 0.2=130-250 MPa, the ductility of delta more than 40% and the density of 1.1-1.6 g / cm3.

The invention relates to an automatic balance control device and method for copper ion concentration. The device and method are used for automatically adjusting the balance of the copper ion concentration in the process of producing an electroplated copper clad aluminum wire. The device comprises one or more electroplating grooves, a specific groove and an exchanging groove in a sequential connection mode. The specific groove is connected with the electroplating groove through a pipeline, the electroplating groove is connected to a buffering groove through a pipeline, the buffering groove is connected to the specific groove through a pipeline, an automatic pump is further arranged on the pipeline between the specific groove and the buffering groove, a Cu2+ on-line monitor is connected to the buffering groove, a PLC controller is connected to the Cu2+ on-line monitor, a central control module is used for controlling a high-frequency power source to output variable voltage through detecting the concentration of Cu2+ in the buffering groove within a regulated time section, and namely working currents in the specific groove are controlled. In this way, the varying rate of the concentration of Cu2+ in the specific groove is controlled in an adjustable mode, the concentration of copper ions in the electroplating groove is kept at a stable value needed for the technology for a long time, the groove liquid does not need to be kept in a dilution mode, waste liquid is not generated, follow-up processing cost is reduced, and no discharging is generated.

The invention relates to an exopolysaccharide generated by pseudomonas, a culture method and application. The pseudomonas sp. QL212 is preserved in common microbe center of China Committee for Culture Collection of Microorganisms on September 12, 2014, at the address of Institute of Microbiology of Chinese Academy of Sciences, No.3, Yard No. 1, West Beichen Road, Chaoyang District, Beijing, and having the preservation number of CGMCC NO.9651. The curdlan synthesized by the pseudomonas sp. QL212 serves as the exopolysaccharide; through fermentation condition optimization, the yield of curdlan is up to 5.94 g / L which is higher than the production peak of the already known pseudomonas curdlan.

The invention relates to a method for machining automobile engine large chain wheels. The method is characterized by including the following steps that uncoiling, straightening, and fine blanking are performed to form parts, wherein multiple taper holes are formed in the circumferential direction of each part, a shaft hole is formed in the center of each part, and the shape of each part is in a tooth shape; whether hard scratches exist on the surfaces of the parts or not is checked, then the products without the scratches are selected for cleaning, and it is guaranteed that residual water drops, corrosion and fine blanking oil do not exist; the parts are installed in a double-end-face grinding machine for surface coarse grinding; chamfering machining is performed on the two faces of tooth parts of the parts; burrs generated by the chamfering machining are removed; high-frequency quenching heat treatment is performed; shot blasting machining is performed; single-face accurate grinding is performed on the surfaces of the parts; the parts are placed into the double-end-face grinding machine again for surface accurate grinding; countersink milling machining is performed on the shaft holes formed in the centers of the parts; burr removal is performed; demagnetization is performed; cleaning, packaging and warehousing are performed. The method not only can meet the requirements for size precision and position precision of the products, but also enables the machining technology of the parts to be in the simplest and optimal state, and machining cost is reduced.

The invention discloses a compounded sludge dewatering conditioner and belongs to the technical field of sludge treatment. The compounded sludge dewatering conditioner is prepared through compounding a sludge conditioner A and a sludge conditioner B, wherein the sludge conditioner A is prepared through compounding the following ingredients in parts by weight: 20-30 parts of fly ash, 10-20 parts of quicklime powder, 10-20 parts of magnesia, 20-30 parts of polyaluminum ferric chloride; the sludge conditioner B is an acetic solution of chitosan. The invention further discloses a method of application of the compounded sludge dewatering conditioner.

The invention discloses a method for recovering a heavily polluted water body in a city by utilizing aeration-to-sediments. The method comprises the following steps: (1) aeration to sediments: aerating the sediments in the water body by an aerating apparatus to enable the sediments to suspend and utilizing the suspended sediments to adsorb pollutants such as organics, ammonia, nitrogen and phosphorus in the water body, thereby achieving the purpose of oxidation and removal through the aeration method; (2) sedimentation: naturally sedimenting the suspended sediments. According to the method, resource is saved; no chemical or biological risk is brought to the water body; the sediments in the water body are purified via aeration and oxidation manners to reduce the sediment dredging frequency while pollutants in the water body are removed.

The invention discloses preparation and application of a hierarchical pore-low valent iron Fenton sludge-based heterogeneous catalyst, and belongs to the technical field of water treatment catalysis.The preparation process of the heterogeneous catalyst comprises the following steps: taking Fenton sludge as a raw material, mixing the raw material with biochemical sludge, then carrying out co-pyrolysis to obtain low valent iron biochar; and constructing pores with different sizes in the low valent iron biochar by utilizing a steam explosion method so as to obtain the hierarchical pore-low valent iron Fenton sludge-based heterogeneous catalyst. The heterogeneous catalyst is used for replacing homogeneous Fe<2+> to realize efficient degradation of organic pollutants in wastewater. The heterogeneous catalyst has the advantages of wide pH value application range, high catalytic efficiency and strong stability. The heterogeneous catalyst has the advantages that the reduction treatment and resource utilization of dangerous solid waste namely Fenton sludge can be realized, the cost of exogenous iron and the subsequent treatment cost of Fenton sludge can be saved, and the heterogeneous catalyst has a wide prospect in organic wastewater treatment.

The invention relates to a heavy metal Cr(VI) contaminated soil EK-PRB combined remediation method. Under the condition of a certain moisture content, the method depends on electrokinetic remediation (EK), a permeable reactive barrier (PRB) technology is used in a combined manner, and heavy metal Cr(VI) in soil is subject to combined remediation. Materials related in a permeable reactive barrier (PRB) in the method are lamellar double hydroxide CaAl-LDH. According to electrokinetic remediation in the method, the Cr(VI) can be effectively subject to enrichment concentration, the lamellar double hydroxide CaAl-LDH serves as the PRB of a reaction medium to assisting in electrokinetic remediation, Cr(VI) pollution migrated to an anode is fixed, the maneuverability of the electrokinetic technology is improved, and the method is expected to be applied to practical remediation of other anions. The method has the beneficial effects of being safe, reliable, convenient to operate, low in cost and the like. In addition, the lamellar double hydroxide CaAl-LDH in the method can be regenerated within a certain temperature scope to recover to an original lamellar structure to be repeatedly used.

The invention discloses a liquid state liquor distillation method and a combined ageing method thereof, and belongs to the field of liquor brewage. In order to overcome the defects of an existing ageing method, such as long ageing time and insufficient flavor after ageing. The invention provides a liquid state liquor distillation method and a combined ageing method thereof. The distillation technology in the method employs ventilation and temperature control to effectively remove harmful components in the liquor; the ageing method combines distillation ventilation treatment, microbiological treatment, heating temperature control, ultrasonic treatment and micro-oxygenation to promote association of molecules in the liquor and bump of molecular energy while accelerating generation of flavor substances, so as to promote ageing of the liquor. The distillation method and the ageing method can obviously shorten the ageing of liquor, and the total acid and total ester in the liquor reach the national standard; in addition, the methods effectively reduce the content of harmful substances in the liquor, and are suitable for demands of large-scale industrialization. Accordingly, the invention has quite wide market prospects.

The invention discloses a preparation method of a hard alloy pressed blank adapted to general mechanical processing. The preparation method comprises the following steps: a, preparing a pressed blank by pressing a prepared hard alloy mixture through the die-casting and isostatic pressing forming processes; and b, pre-sintering the formed pressed blank at the temperature of 810 to 880 DEG C in a vacuum sintering furnace, maintaining the temperature for 60 to 80 minutes, and then cooling to reach the room temperature after the pre-sintering. According to the preparation method of the hard alloy pressed blank, the pressed blank formed by pressing is pre-sintered; the pre-sintered pressed blank has certain hardness and bending resistance and is relatively high in pressed performance, so that the hard alloy pressed blank can be effectively cut by turning, milling, drilling, boring and other general mechanical processing for further forming before being sintered, the subsequent processing allowance of the sintered product can be greatly reduced, the processing cost can be decreased, and the processing efficiency is increased.

The invention relates to a method for removing proteins in protein-enriched wastewater, which comprises the following steps of: carrying out isoelectric point analysis on ingredients of the proteins in the protein-enriched wastewater and determining a grouped and graded treatment scheme according to isoelectric points of the proteins from large to small; after carrying out pretreatment on the wastewater, transferring the wastewater into a reaction kettle; filling volatile weak acid gas into the reaction kettle, regulating the pH value of the wastewater to guarantee the pH value to reach the relatively large isoelectric point in the grouped and graded treatment scheme and guaranteeing the proteins at the relatively large isoelectric point to be sufficiently precipitated; carrying out solid-liquid separation to remove protein precipitates; continuing to fill the volatile weak acid gas into the reaction kettle and reducing the pH value of the solution grade by grade to sequentially obtain the protein precipitates on each corresponding grade and finally purified supernatant; and releasing the volatile weak acid gas in the finally purified supernatant and recovering the volatile weak acid gas. The volatile weak acid gas is CO2 or CO2 with acetic acid. Due to the adoption of the method disclosed by the invention, the protein removal rate is high; the treated wastewater has low subsequent treatment cost; and the wastewater treatment process is mild and reversible and has strong controllability.

The invention discloses a method for removing organic matters in water through catalytic ozonization of FeOCl, relates to the method for removing the organic matters in the water and aims to solve theproblems of long degradation time, high cost and low removing rate of an existing method for removing the organic matters in the water are solved. The method comprises the following steps: adding a water body containing the organic matters in a reactor; adding 2 to 1000 mg / L of an FeOCl catalyst into the water body containing the organic matters under the condition that the stirring speed is 300to 800 r / min, and simultaneously introducing ozone to the water body containing the organic matters, wherein the introduction amount is 20.5 to 250 mg / L; reacting for 10 to 40 minutes under the condition that the temperature is 2 to 85 DEG C, i.e., the method for removing the organic matters in the water through catalytic ozonization of the FeOCl is completed.

The invention discloses a method and a device for cyclically treating breeding wastewater and / or improving soil by utilizing livestock and poultry manure. The method comprises the following steps: adding a conditioner into livestock and poultry manure for mixing and conditioning; then pre-drying and dehydrating at low temperature to reduce the moisture content to be less than 10% to obtain dried livestock and poultry manure, indirectly heating the livestock and poultry manure in a pyrolysis and carbonization device, indirectly cooling the obtained charcoal powder, and adding the obtained cooled charcoal into breeding wastewater; and forming charcoal particles; the invention can be directly used for soil improvement; part of COD, ammonia nitrogen, phosphorus and other effective elements andantibiotics and other micropollutants can be pre-removed, and the biochemical treatment load of the aquaculture wastewater is reduced; or the invention is used for deep adsorption and purification ofaquaculture wastewater before tail water is discharged. According to the method and device, pollution caused by simple composting of livestock and poultry manure is avoided, comprehensive treatment of breeding waste is fully achieved, and good social benefits, economic benefits and environmental benefits are achieved.

The invention relates to a landfill leachate treatment method. The landfill leachate treatment method comprises following steps in sequence: pretreatment comprising steps of flocculating sedimentation, ammonia stripping, ammonia adsorption and processes of regulating pH and adjusting the temperature of the leachate to be not lower than 15 DEG C, primary anoxic-aerobic biological treatment, primary sedimentation treatment, chemical oxidation treatment, secondary sedimentation treatment, secondary anoxic-aerobic biological treatment, tertiary sedimentation treatment and disinfection treatment. According to the landfill leachate treatment method, a physicochemical and biochemical combined treatment system is adopted based on the characteristics of the municipal solid waste landfill site leachate, so that stable and efficient operation of the whole system is guaranteed, and the landfill leachate reaches the emission standard of Standard for Pollution Control on the Landfill Site Of Municipal Solid Waste (GB16889-2008) finally.

The invention belongs to the field of manufacturing of powder metallurgy automobile parts, and in particular relates to a double-material powder-forging gear with high performance and low cost, and amanufacturing method thereof. The gear structure comprises a gear tooth part, a gear core part and a middle gradient layer, wherein the gear tooth part is Fe-based alloy containing alloy elements suchas Ni, Cr and Mo and with high hardness and high wear resistance; and the gear core part is Fe-C-Cu alloy with low cost. The interface is provided with alloy powder consisting of two kinds of powderaccording to a specific ratio and the alloy powder is added according to the gradient layer design mode. Through design and powder forging forming of three parts of materials such as the tooth part, the gradient layer and the core part, the production cost of the gear is reduced, the performance of the gear is improved, and the problem that the interfaces are not matched, for example, the interfaces are cracked, bended and deformed, which is caused by the component difference between the two sides of the double-material powder-forging gear is great is solved through design of the gradient layer.

The invention belongs to the technical field of sewage treatment and provides a sewage treatment system. The sewage treatment system comprises a sewage treatment passage which at least comprises an anaerobic tank, an aerobic tank, a sedimentation tank and a reaction tank, ferrate is adopted for sewage treatment in the reaction tank, and the anaerobic tank, the aerobic tank and the sedimentation tank are in sequential communication. A first output end of the sedimentation tank is communicated with the anaerobic tank or the aerobic tank, an input end of the reaction tank is communicated with a second output end of the sedimentation tank, an output end of the reaction tank is communicated with the sewage treatment passage, and sludge generated in the sedimentation tank is outputted through the first output end and the second output end respectively. The sewage treatment system has the advantages that sludge output in a sewage treatment process can be greatly reduced, and accordingly sludge treatment cost is reduced, and sewage treatment cost is reduced as well; in addition, ammonia nitrogen, phosphorus and organics in the sludge can be reduced, and consequently quality of water discharged from the sewage treatment system is improved.

The invention relates to a deep treatment process of garbage percolate biochemical effluent. The deep treatment process of the garbage percolate biochemical effluent comprises the following steps: adding a flocculating agent into the garbage percolate biochemical effluent, entering a coagulative precipitation tank, mixing uniformly, standing and precipitating; enabling the precipitated garbage percolate to enter a low-temperature plasma reactor to remove most of organic matters from the garbage percolate; enabling the garbage percolate treated by the low-temperature plasma reactor to enter a biological aerated filter to remove the residual organic matters from water; enabling one part of the percolate treated by the biological aerated filter to return the to-be-treated garbage percolate biochemical effluent through a reflux pipeline, adding the flocculating agent into the coagulative precipitation tank, and repeating the cycle; and performing up-to-standard discharge on the other part of the percolate through a discharge pipe of the biological aerated filter. The process is used for treating the percolate biochemical effluent, so stable and up-to-standard discharge can be realized and concentrated liquid is avoided.

The invention discloses an anaerobic electrochemical sludge disposal device of an electrode coupled flat sheet membrane. The device is characterized in that membrane hanging electrodes formed by carbon felts and titanium nets are arranged on two sides of the flat sheet membrane; the membrane hanging electrodes and a flat sheet membrane assembly are supported by two fixed baffle plates and are arranged above an aerating pipe; the carbon felts / carbon cloth are / is arranged on two sides of the flat sheet membrane assembly at an interval of 10-15 mm; the titanium nets are attached to the outer sides of the carbon felts / carbon cloth. Compared with the prior art, the anaerobic electrochemical sludge disposal device has an electric active biological membrane structure, enriches the microbial population diversity, domesticates electric active microorganisms directionally, stabilizes the metabolic environment of anaerobes inside quickly, improves the inner digestion efficiency, and can reduce deposition of flocs, colloids and the like on the flat sheet membrane, alleviates membrane pollution, improves the primer digestion efficiency, improves the effluent quality, and achieves methanation ofCO2 and in-situ upgraded purification of biogas, so that CO2 emission is reduced and recycle of a biological energy source is enhanced.

The invention discloses an electrolytic manganese residue innocent treatment method and a device thereof, belongs to the field of common industrial solid waste treatment, and aims to solve the problems that in an existing electrolytic manganese residue innocent treatment method, soluble manganese cannot be effectively utilized and manganese residue innocent treatment is in sore need of being realized. The electrolytic manganese residue innocent treatment method can be adopted to effectively realize innocent treatment on electrolytic manganese residues, and effectively solves the problem that electrolytic manganese residues are greatly accumulated and pollute the environment. The electrolytic manganese residue innocent treatment method is adopted to treat electrolytic manganese residues, sothat equipment investment cost is relatively small, energy consumption is relatively low, and treatment cost and operation cost can be effectively reduced. Meanwhile, the electrolytic manganese residue innocent treatment method is short in process flow, is stable in operation, is high in reliability, can meet industrial and large-scale production and application needs, has a relatively high application value and a relatively good application prospect in treating electrolytic manganese residues, and is worthy of being popularized and applied on a large scale. Besides, products treated by the electrolytic manganese residue innocent treatment method are stored and transported conveniently, use is wide, dosage is great, and economic values are relatively high.

The invention provides a novel brown algae chemical waste calcium water recycling process. The process comprises the steps that: a decalcification agent is added into waste calcium water, such that a decalcification treatment is carried out; a sand filtration pre-treatment is carried out; salt removing and calcium removing are carried out by electrodialysis; residual calcium ions in low-concentration water obtained after electrodialysis are further removed by using cation exchange resin; water obtained from the treatments is mixed with tap water according to a certain ratio, and the mixed water is reutilized as a process water for diluting a digestion solution; and the diluted solution is filtered and calcified, and the produced waste calcium water enters a new circulation. According to the invention, a chemical precipitation, electrodialysis and ion exchange combined process is adopted, such that defects such as poor water quality and high cost of traditional waste calcium water treatment processes are overcome. A recycling water quality index is ensured, and waste calcium water treatment cost is reduced, such that economic and high-efficiency recycling is realized.