50results about How to "Stable processing efficiency" patented technology

Disclosed is a biofilter system for removing volatile organic compounds, generated from various industrial facilities, such as petrochemical plants, refining plants and paint plants, and environmental facilities including sewage treatment plants. The biofilter system comprises a volatile organic compound (VOC) load equilizing portion, a VOC-containing contaminated air transferring portion, a biofiltering portion, and a storing portion for adjusting pH and nutrients in the biofiltering portion. By using such system, an offensive odor and VOC evolved from various industrial facilities and environmental facilities can be efficiently controlled. In addition, even in production processes and storage facilities at which high VOC concentration regulating materials are discontinuously discharged, VOC can be effectively removed.

The invention provides a riverway channel water quality biologically-intensifying device and application thereof, belonging to the field of water treatment. The riverway channel water quality biologically-intensifying device comprises a transferring shaft and a filler area, wherein with the transferring shaft is positioned in the center of the riverway channel water quality biologically-intensifying device; the filler area encloses the transferring shaft. The riverway channel water quality biologically-intensifying device is characterized in that an upper fixed plate (3), a lower fixed plate and the transferring shaft (1) are integrated into a whole by taking the transferring shaft (1) as a center; an impeller (5) is fixed on the lower fixed plate; the filler area (4) is divided into fourregions through a grating sieve mesh (6), and biological fillers are filled in the regions. The integral riverway channel water quality biologically-intensifying device is driven to move by taking water flows as a driving force when being applied to the treatment of riverway channel water bodies, prevents the fillers from washing away by combining the fixed biological fillers with suspension fillers, can achieve the effective elimination and the synchrous denitrification of COD (Chemical Oxygen Demand), achieves the moving bed effect and also greatly enhances the mass transfer rate of nutrient substances and dissolved oxygen; and in addition, the riverway channel water quality biologically-intensifying device can carry out the treatment aiming at the pollution conditions of different water layers of riverway channels and also has the advantages of energy saving, environmental protection, low acquisition cost and operation cost, and the like.

The present invention discloses an integral multistage simultaneous nitrification and denitrification biological membrane system denitrification method and device, and belongs to the technical field of biological treatment of sewage, and the device is integrally constructed sequentially by a regulatory region, a multistage simultaneous nitrification and denitrification region, a flow diversion region and a precipitation region. The multistage simultaneous nitrification and denitrification region is in a multiple-groove pushing flow form, each reaction groove is provided with an aeration system and a multi-section water inlet device; the precipitation region is provided with an overflow port and an inclined plate sedimentation tank; a multi-section water inlet pipe connects each reaction groove of the regulatory region and the multistage simultaneous nitrification and denitrification region, by full use of the advantages of the simultaneous nitrification and denitrification and control of the operation conditions, the nitrification and denitrification are integrated in a reaction zone without adding of additional alkalinity and need of stirring, nitrification liquid reflux and sludge return systems, energy is saved, and cost is reduced, load of shock resistance of the system is enhanced by the multistage pushing flow structure, by multi-section water inlet design, the role of system denitrification is enhanced, the denitrification and carbon removal effects are stable, and maintenance and management are convenient.

The invention relates to the field of wastewater treatment, in particular to a landfill leachate treatment technology. The technology includes: collecting wastewater by a collection pool, introducing the wastewater in the collection pool into an oil separation pool, bringing the wastewater subjected to oil removal by the oil separation pool into a comprehensive regulation pool, adding a small amount of air and conducting stirring to obtain uniform water quality, making the effluent water from the comprehensive regulation pool enter a PH regulation pool I and adding a liquid alkali to regulate the pH value to 8.0-10.0, letting the effluent water from the pH regulation pool I enter a tubular ultrafiltration membrane system through a concentration trough to undergo treatment, leading the effluent water from the tubular ultrafiltration membrane system into a pH regulation pool II, and adding an acid to conduct neutralization, making the neutralized water enter an RO membrane system, and finally carrying out filtration by the RO membrane so as to obtain reusable effluent water. By adopting the tubular ultrafiltration membrane (DF membrane) system and RO membrane equipment, the technology provided in the invention reduces the sedimentation, filtration, clarification and purification, hollow fiber ultrafiltration and other treating processes commonly used in domestic landfill leachate treatment, and has the advantages of stable operation, less investment, low operation cost, and simple treatment process, etc.

The invention discloses a multistage exhaust gas washing tower. The multistage exhaust gas washing tower comprises a plurality of exhaust gas washing towers which are connected in series, wherein each exhaust gas washing tower comprises a tower body, a water tank, a circulating pump and a shower pipe; the circulating pumps are connected between the water tanks and the shower pipes to form water circulating loops; the tower bodies of the different exhaust gas washing towers are sequentially communicated through an exhaust gas pipeline in the forward direction; the water tanks of the different exhaust gas washing towers are reversely and sequentially communicated through an overflow pipe; an exhaust gas inlet and an absorption liquid discharge hole are formed in the first exhaust gas washing tower in the forward direction; an exhaust gas outlet and an absorption liquid discharge hole are formed in the first exhaust gas washing tower in the reverse direction. The multistage exhaust gas washing tower disclosed by the invention is forming by connecting the plurality of washing towers in series; the exhaust gas flows forwards in the washing towers; the absorption liquid is continuously added to the towers and flows in the towers reversely in series; the exhaust gas is firstly in contact with the absorption liquid with higher primary pollutant concentration, and at last in contact with the cleanest absorption liquid, so as to ensure that the processing efficiency is stable, and a better processing effect can be achieved.

A method of treating recyclable raw materials containing valuable metals is provided, the method including the steps of: feeding recyclable raw materials (W) containing valuable metals into a rotary kiln furnace (2) in which a refractory product having an Al 2 O 3 -Cr 2 O 3 content of 70% or greater is used for an inner wall; feeding an additive (A) containing SiO 2 as a major component into the rotary kiln furnace (2) so as to increase a viscosity of a slag (S) flowing along the inner wall, thereby the recyclable raw materials (W) are attached on the slag (S) having a high viscosity such that at least part of the recyclable raw materials (W) is exposed to the inside of the rotary kiln furnace; and burning/melting the recyclable raw materials (W) attached on the slag (S) in the rotary kiln furnace (2).

The invention discloses a sodium carboxymethyl cellulose production wastewater treatment process. The treatment process comprises a pretreatment section, an anaerobic treatment section, a preliminary precipitation section, a biological oxidation section, a biological precipitation section, a sludge treatment section and a membrane separation section; sodium carboxymethyl cellulose production wastewater, cleaning wastewater and domestic sewage are subjected to process design, and BVR evaporation desalting, anaerobic, preliminary precipitation, biological aerobic, biological precipitation and MBR (Membrane Bioreactor) treatment processes are adopted, so that the operating cost of sewage treatment is greatly reduced; various properties of equipment are thoroughly optimized and tapped, so as to enable the equipment to have a relatively high processing load; the adaptability to the sudden change of water quality and water volume is relatively high; the treatment efficiency of each section is stable, and the overall treatment effect is stable; and after technical treatment, the treated water reaches the sewage takeover standard of a sewage treatment plant, and partial water meets the requirements of enterprises on sewage recycling and then is recycled.

The invention provides an integrated anammox membrane boelectrochemical system and a sewage denitrification and decarbonization treatment technology. The integrated anammox membrane boelectrochemicalsystem comprises an anode chamber, a cathode chamber and a membrane biological pool; a positive ion exchange membrane is arranged between the membrane biological pool and the anode chamber, a negativeion exchange membrane is arranged between the membrane biological pool and the cathode chamber, the anode chamber is internally provided with an anode material, the cathode chamber is internally provided with a cathode material and an aeration device, and the cathode material and the anode material are connected through an external circuit provided with a resistance-value-adjustable rheostat. Accordingly, by efficiently coupling a microorganism electricity generation technology, a membrane filtration technology and an anaerobic ammonium oxidation technology, according to the concentration ofNH4<+>-N in sewage, the resistance value of the rheostat is adjusted, the proportion of ammonia nitrogen and nitrite nitrogen in the anaerobic ammonia oxidation process can be precisely controlled, operation is easy, convenience is brought to control, the sewage treatment efficiency is high, and the system has the wide application prospect.

The invention provides an industrial wastewater treatment system, which relates to the technical field of industrial wastewater treatment technology, including a waste water treatment system containing lead and zinc, a waste water treatment system containing arsenic, cadmium, lead and zinc, and a comprehensive waste water treatment system containing lead and zinc The waste water treatment system and the waste water treatment system containing arsenic, cadmium, lead and zinc are all connected to the integrated waste water treatment system. Coagulation reaction tank and coagulation sedimentation tank, the waste water treatment system containing arsenic, cadmium, lead and zinc includes a sequentially connected regulating sump, booster pump, reaction tank and sedimentation tank, and the comprehensive wastewater treatment system includes a sequentially connected comprehensive A regulating tank, a pressurizing pump and a microfiltration membrane treatment device; the invention has strong pertinence, obvious treatment effect, and is economical and environment-friendly.

The invention relates to a tail gas treatment method and system for pyrolysis of waste circuit boards. The tail gas treatment method comprises the steps that combustion treatment is carried out on thetail gas pyrolyzed from the waste circuit boards to destroy harmful substances in flue gas; The flue gas after combustion treatment is denitrated, nitrogen and oxygen compounds in the flue gas are reduced to harmless substances; the denitrated flue gas is subjected to cooling treatment for cooling the flue gas; the flue gas after the cooling treatment is subjected to pollutant removal treatment for removing gaseous pollutants and dust in the flue gas; and the flue gas after the pollutant removal treatment is deacidified for removing acid gas in the flue gas. The tail gas treatment method improves the feasibility and treatment efficiency of the implementation scheme, and is environment-friendly.

A coagulation-separation apparatus has a coagulation-separation tank (1). Raw water flows from a mixing tank (2) to a coagulation-separation tank (1) through a raw water introduction pipe (3), a facility (4) for adding a high specific gravity material and a raw water introduction pipe (5). The coagulation-separation tank (1) is provided with a water-flow generator which agitates water to be treated to generate a water flow. The coagulation-separation tank (1) has a discharge port (13) for a sludge and a box (14) for collecting sludge in the lower portion thereof, wherein a sludge inside the box (14) for collecting sludge is transferred to a separator (8) through a sludge transfer pipe (15). The separator (8) is used for separating a high specific gravity material (9) from the sludge and supplying it to the facility (4) for adding a high specific gravity material.

The invention relates to a double-dielectric-barrier low-temperature plasma synergistic catalytic treatment VOCs line pipe reaction unit. The unit is composed of an insulating medium kit, an inner electrode, an outer electrode, an end cover kit and a filling particle catalyst, the insulating medium kit comprises an inner pipe, an outer pipe, a perforated sealing plate and a threaded seat, the inner electrode is installed in the inner pipe of the insulating medium kit, one end of the inner electrode is connected with the threaded seat through a thread, an outer electrode is tightly attached tothe outer wall of the outer pipe of the insulating medium kit, one end of an outer pipe of the insulating medium kit is connected with the end cover sleeve through threads, and the other end is fixedly connected with a perforated sealing plate, and the filling particle catalyst is uniformly placed between the inner pipe and the outer pipe of an insulating medium external member, and is fixed in the reaction unit by the perforated sealing plate and the end cover external member to form an one-section cooperative structure. The one-section cooperative structure is adopted, the synergistic effectof low-temperature plasma and photocatalysis is fully utilized, the VOCs removal rate is high, and the yield of a byproduct O3 is low.

The invention discloses a batch automatic production line for small-dose bottled liquid preparations, and belongs to the technical field of pharmaceutical production equipment. The batch automatic production line comprises a bottle body feeding section, a washing, drying, filling and sealing section, a sterilizing and lamp inspection section and a labeling and packaging section which are sequentially connected, a conveying device used for transferring materials is arranged among the sections, and a bottle falling prevention assembly is arranged on the conveying device. The bottle body feeding section comprises an unboxing station and a plurality of unpacking stations, the washing, drying, filling and sealing section comprises a washing and drying station and a filling and sealing station, the sterilizing and lamp inspecting section comprises a sterilizing station and a lamp inspecting station, and the labeling and packaging section comprises a labeling station and a packaging station. The batch automatic production line has the advantages that the automation degree is high, the production process is continuous and stable, and bottle bodies are stable and not prone to toppling over in the conveying process.

The invention discloses a correction method of a laser drilling machine and the laser drilling machine adopting the correction method. The laser drilling machine comprises a galvanometer machining system, a visual positioning system in linkage with the galvanometer machining system and a workbench, and the workbench is provided with a correction area and a machining area. The correction method comprises the following steps: acquiring a correction period and a correction position; automatically controlling the galvanometer machining system to process a graph in the correction area according to the correction period and the correction position, and controlling the galvanometer machining system to move by a preset distance after machining is completed so as to enable the visual positioning system to obtain the offset of the graph; automatically updating an offset parameter between the galvanometer machining system and the visual positioning system according to the offset; and conducting continuous positioning machining on a workpiece to be machined in the machining area through the laser drilling machine by using the updated offset parameters. Therefore, the machining precision and the machining efficiency of the laser drilling machine can be improved.

The invention relates to the technical field of machining wastewater treatment, in particular to a waste cutting fluid purification treatment system, which comprises a waste cutting fluid collecting box, a waste cutting fluid inlet pipe, a sewage pump, a waste cutting fluid outlet pipe, a shell, an electrode group, a direct current power supply, a first partition plate, a second partition plate, athird partition plate, a floating oil sludge collecting groove, a liquid outlet collecting pipe, a vortex pump, a gas conveying pipe, an ozone generator, a container water pipe, a first liquid outletpipe, a liquid outlet collecting box, a second liquid outlet pipe, an alkali liquor conveying pipe, an alkali liquor metering pump, an alkali liquor box, an emulsion conveying pipe, an emulsion metering pump, an emulsion box, an antirust conveying pipe, an antirust metering pump, an antirust box, a mixer, a third liquid outlet pipe, a mixing reaction box, a blender, a floating oil collecting weirand a fourth liquid outlet pipe. By the adoption of the waste cutting fluid purification treatment system, the principle of electrolysis and coagulation can be utilized to carry out various physicaland chemical actions such as redox, neutralization, coagulation, air flotation separation and the like on pollutants in the wastewater, so that sewage treatment is completed rapidly and effectively.