1124results about How to "Ensure water quality" patented technology

The invention provides an integrated internal circulation type denitrification and decarburization bio-membrane reactor and an operating method thereof. The main body of the reactor consists of an anoxic zone on the lower part, an aerobic zone on the upper part and a settling zone on the periphery of the aerobic zone; a composite filler is filled in the anoxic zone, and a water inlet pipe is communicated with the bottom of the anoxic zone; the aerobic zone is partitioned into a filler zone for adding a carrier on the upper part and a mud-water mixing zone on the lower part by adopting an orifice plate, the anoxic zone and the aerobic zone are partitioned through an impermeable partition plate, and a plurality of aeration pipes are arranged at the bottom of the aerobic zone and provided with air inlet pores; and the settling zone consists of three parts, namely a clean water zone, a contact settling zone and a sludge returning zone which are sequentially arranged from top to bottom, wherein the bottom of the sludge returning zone is provided with a sludge returning seam and communicated with the bottom of the aerobic zone. The reactor realizes zero power consumption in sludge returning, and is compact in structure; and a back flushing system is not required in the contact settling zone, and additional agents and carbon sources are not required, so that the reactor is low in running cost.

The invention provides a system for carrying out collection, purification and utilization on rainwater on road surfaces, and the system comprises a groove and one or more packing units arranged in the groove, wherein the two sides of each packing unit are respectively provided with a baffle, a ventilation well is formed between two baffles arranged at the head end and tail end of two adjacent packing units, and a ventilation well is formed among the baffles at the two ends of the groove and the inner side wall of the groove; the bottom surface of each packing unit is provided with a concrete grating, a water collecting sump is formed between the concrete grating and the internal bottom surface of the groove, and the water collecting sump is mutually communicated with all the ventilation wells; and the packing unit on the concrete grating is composed of a cobble layer, a gravel layer, a matrix layer and a planting soil layer which are sequentially arranged from bottom to top, and plants are planted in the planting soil layer. Rainwater which is purified by the system disclosed by the invention can satisfy the needs of agricultural water and general landscape water.

The invention discloses a process for treating mine wastewater containing sulfur minerals, As, Pb and Cd, which comprises the following steps: (1) performing blast aeration and oxidation treatment on the mine wastewater containing the sulfur minerals, As, Pb and Cd in an aeration tank; (2) neutralizing and coagulating the wastewater after the aeration and oxidation in a neutralization tank and controlling the pH to be between 8.6 and 9.5; (3) standing and depositing the wastewater after the neutralization and the coagulation treatment in a sedimentation tank; and (4) after the wastewater is clear after standing for a certain period of time, performing advanced treatment on heavy metal in a supernatant in a physical and chemical adsorption device and an activated carbon filtering system to obtain clean water meeting the environmental-protection or agricultural requirement. Through the process, peculiar smell in the mine wastewater can be eliminated, the wastewater color is changed to be normal, and the requirement of the quality of mine wastewater containing the discharged sulfur minerals, As, Pb and Cd in 'Standards for irrigation water quality' (GB5084-2005) can be met.

The present invention is the anaerobic treatment, aerobic treatment and membrane treatment process of domestic garbage percolate, and belongs to the field of sewage treating technology. The combined treating process is completed in four units including a two-stage upwards flowing anaerobic sludge bed, an immobilized microbial biological aeration filter, a coagulating and settling pond and a nanometer filtering membrane. The present invention has the advantages of simultaneous elimination of carbon, nitrogen and other pollutants, high treating effect, high load impact resistance and high stability. The present invention may be also applied in treating other waste water with high ammonia nitrogen content, high organic pollutant concentration and great water quality fluctuation.

The invention discloses a constant-pressure multiple-effect evaporation condensation sea water desalination device with an air medium, which mainly comprises a low-and-medium temperature heat source (13), a first-stage heating evaporator (14), an evaporation condenser (4) and a last-stage condenser (8). The first-stage heating evaporator (14), the evaporation condenser (4) and the last-stage condenser (8) are installed in sequence closely, and the low-and-medium heat source (13) and the first-stage heating evaporator (14) are connected together. The first-stage heating evaporator (14), the evaporation condenser (4) and the last-stage condenser are all formed by combining a plurality of heat exchange plates which are arranged from left to right in sequence, and a gap is reserved between every two adjacent heat exchanging plates to form a flow channel for heat exchange fluid. By adopting the plate-type heat exchange principle, the sea water desalination device realizes multiple-effect air humidification and dehumidification evaporation and condensation for sea water desalination under constant pressure. Heat and moisture transfer is performed between sprayed sea water and overflowing air, and the condensation latent heat of fore effect heat and moisture air can be absorbed at the same time, and therefore, energy recovery is realized and the fore effect heat and moisture air can be condensed to obtain fresh water.

The invention discloses a rain and flood utilization system, which integrates project measures and ecological environment, is widely applied to the technical field of rain water utilization and particularly relates to the rain and flood utilization system in building zones. The whole process of the rain and flood utilization system is completed through rain water converging, safe diversion, abandoned flow control, filtration, storage, water quality keeping, purifying treatment and comprehensive utilization. The system has a security function of automatic alarm, avoids blockage and siltation, ensures smooth filtration, reduces potential safety hazard, realizes quaternity integrated recycle treatment, namely sterilization, activation, filtration and oxygenation, of stored water, further guarantees the water quality, prevents secondary pollution of an impounding reservoir, reduces load of water quality treatment and saves investment and operation cost.

The invention provides a ganoderma lucidum cultivation method, and belongs to the technical field of cultivation of fungus for edible and medicinal use. The ganoderma lucidum cultivation method comprises choosing of a field, selection of building materials, construction of a permanent greenhouse, consolidation of sand culture bed land, isolation of contact between sand and soil in the field through plastic membranes, sand burying of ganoderma lucidum fungus sticks, laying of spraying pipelines, shading, insect prevention measures, and the like. According to the ganoderma lucidum cultivation method, standardized cultivation of ganoderma lucidum can be achieved, cultivation conditions can be controlled, traditional Chinese medicine quality management code requirements are fitted, a foundation is not needed to be moved every year, and manpower, material resources and financial resources are saved. The ganoderma lucidum fungus sticks are not contacted with the soil, so heavy metal, toxic substances and pesticide residues all can be controlled effectively. Cultivated ganoderma lucidum is stable and high in yield, namely the yield of the ganoderma lucidum is 570-580 kilograms per mu and is increased by 30% or so compared with conventional cultivation, quality is excellent, namely, competitor pollution rates of the fungus sticks and secondary entities are greatly reduced, malformation does not exist in the secondary entities, and the secondary entities cannot be polluted by water and pollutants in the soil, and the ganoderma lucidum cultivation method is popularization and application of ganoderma lucidum standardized cultivation. The ganoderma lucidum cultivation method is also suitable for edible and medicinal fungus of phellinus igniarius, mushrooms, agaric and the like.

This invention relates to a long-distance monitoring and alarming system of the environmental water quality. It is mainly composed of the sensing detection assembly, the data collecting / processing device, the wireless network communication module assembly and the center station of environmental water quality monitoring. The sensing detection assembly is made up of varies water quality indicating detectors and the corresponding sensor feeler. The data collecting / processing device has the functions of collecting and processing the simulate signals of immediately detected various water quality indexes, and transforming them into digital signals. The monitoring center station has the functions of immediate storing and analysis processing, sending out indicating alarm in time when the condition of above-norm., and in virtue of public radio communication network, carrying out mutual data transmitting.

The invention provides an environment-friendly method for culturing fish by using net cages and relates to a technique for culturing fish by using the net cages. In the method, one or more inner net cages are sleeved in an outer net cage; predatory fish is cultured in the inner net cages; and omnivorous fish, filter fish, or omnivorous fish and filter fish are cultured in the gap between the outer net cage and the inner net cages, wherein the omnivorous fish or the filter fish feed on residual baits and excreta of the predatory fish and animals and plants attached to meshes. By the method, water environmental pollution due to eutrophication of water environment caused by fish culture in the net cages is avoided; pollution-free fish culture is realized; utilization ratio of the bait is increased; breeding cost is reduced; and economical benefit is increased.

The invention relates to a reverse osmosis water producer, a reverse osmosis water production method and a method for cleaning and maintaining the reverse osmosis water producer. The reverse osmosis water producer comprises a preprocessing system, a reverse osmosis filtration system, a mixing system, a cleaning system, an immersion maintenance system and a finished product accumulating system, wherein the preprocessing system comprises a priming pump, a preprocessing water inlet pipeline, a reverse flushing pipeline and preprocessing filtration facilities, the reverse osmosis filtration system comprises a high-pressure pump, a reverse osmosis membrane filter, a water production pipeline and a discharge pipeline, the mixing system comprises a buffering water accumulation tank, a pressurizing pump and a mixing pipeline, the cleaning system comprises a cleaning tank, a cleaning pipeline and a circulation pump, the immersion maintenance system comprises an immersion maintenance tank, an immersion maintenance pipeline and a pressure difference check pipeline, the volume of the buffering water accumulation tank is larger than that of the cleaning tank, and the volume of the cleaning tank is larger than that of the immersion maintenance tank. The invention has reasonable design, scientific structure, compact arrangement, integrated technology, good water quality, convenient and effective maintenance, low price, safety and convenience.

The water purifying machine includes at least two water purifying tanks connected in parallel and with parallel draining pipes connected to the water inlet pipes. It can provide purified water in 24 hr a day including the time during reverse rinsing, and has effective complete reverse rinsing to ensure high water quality, long filter material life and low use cost.

The invention discloses a novel environment-friendly bactericide composition and a preparation method thereof. The composition comprises a component A including a chlorine dioxide solid releasing agent and a peroxide oxygenation agent, and a component B including a non-oxidation bactericide, a surfactant, a flocculating agent, a heavy metal ion complexing agent and the like, wherein the components A and B generate oxidation bactericides such as chlorine dioxide, nascent oxygen, dissolved oxygen and the like, the non-oxidation bactericide, a flocculating water purification agent and the heavy metal ion complexing agent in water. The products produce strong effects of sterilization, mildew resistance, fresh keeping, alga removal, mud peeling, scale removal, dredging, deodorization, water purification, cleaning, blenching, decolorization and the like. The composition is widely applied in the field of purification of living water bodies and control and treatment of water environment pollution. According to the composition and the preparation method and using method thereof, water of different levels is used as a medium, so that the equipment power in production is low, three wastes are avoided, energy is saved, the environment is protected, dedicated equipment and power are not needed in use, the operation is simple, the use is convenient, and the composition is suitable for unpowered field operation of any site and any occasion.

The invention provides a multi-dimensional ecological system remediation method. The remediation method comprises the steps of: treating multi-dimensional ecological water quality, controlling internal contamination and controlling external contamination, wherein the step of treating the multi-dimensional ecological water quality is mainly for constructing a multi-dimensional ecological system in a water body; the step of controlling the internal contamination is mainly for eliminating contamination caused by release of nutritive salts from bottom mud of a lake body and performing dredging and bottom mud remediation improvement on an artificial lake, an original lake body or river which is seriously contaminated; and by the step of controlling the external contamination, an external water body entering the lake body mainly includes rainwater and a part of life non-drinking water so that the water quality of water bodies entering the lake can not generate a destructive influence on a lake body ecological system and a water quality effect. The remediation method has the beneficial effects that from the angle of internal contamination and external contamination influencing water body quality, a general survey of the whole process from a water source to completion of a waterscape function of the water body is combined with all advantageous measures for maintaining the water body quality, so that the water body quality effect is all-around ensured and the multi-dimensional remediation is realized.

Provided are integrated domestic sewage treatment equipment and treatment method. The integrated domestic sewage treatment equipment is formed by the following treatment units: a gridding feces tank, an anaerobic tank, an aerobiotic tank and a precipitating and sterilization pond, all of which are sequentially communicated. The integrated domestic sewage treatment equipment is characterized in that water inlet and outlet pipes are arranged between the treatment units, each treatment unit is provided with a mud discharging pipe and an exhausting pipe, the anaerobic tank and the aerobiotic tank are each provided with an aerating system and a flow-back system, a triangular weir is adopted in water outflow of each treatment unit, the input end of the water inlet pipe of the gridding feces tank is located outside the equipment, and an inlet penetrates into the portion, before a grid, at the bottom of the gridding feces tank; the gridding feces tank is connected with the anaerobic tank, the water inlet pipe of the anaerobic tank is communicated with the interior of the bottom of the tank for water inflow, and a filling area of the anaerobic tank is filled with a fixed carrier and biological sponge iron filler; the anaerobic tank is connected with the aerobiotic tank, the water inlet pipe of the aerobiotic tank is communicated with the bottom of the tank for water inflow, and a filling area of the aerobiotic tank is filled with a fixed carrier and biological sponge iron filler; the aerobiotic tank is connected with the precipitating and sterilization pond, the water inlet pipe enters the middle of a precipitating pond body, and a 45-degree slope is arranged in a sludge area at the bottom of the pond; the precipitating pond body is connected with a sterilization pond body, the water inlet pipe enters the bottom of the sterilization pond body for chlorine tablet sterilization, and water is output out of the upper water outlet pipe.

The invention discloses an initial stage rain water flow discharging device which is mainly composed of an impoundment chamber, a flow discharging partition, a flow discharging water communicating pipe, a water flow control mechanism, a flow discharging front chamber, a flow discharging rear chamber, a shunting downflow weir, a shunting flow conduction chamber, a delayed automatic draining mechanism and the like. Compared with the prior art, the device of the invention can effectively separate severely polluted initial stage rain water from later stage clean rain water, has the advantages of optimized structure, compact structure, high space utilization ration, space occupation saving, no energy consumption, no need of staff operation, high automation degree, convenient management and thelike.

The invention relates to a combined apparatus for advanced treatment of high concentration organic waste water. The apparatus comprises a pretreatment buffer tank, an anaerobic reactor, a pressurized aeration stirring system, a photocatalytic reactor, a filter chamber, a backwashing system, a back flow line pipe system and the like. Preliminary treatment of high concentration organic waste water is carried out by using an anaerobic method after waste water is pretreated, then advanced treatment of primary treated water is carried out by using a photocatalysis method, and furthermore, effluentis filtered with the filter chamber. The apparatus provided in the invention can both profoundly remove high concentration organic matters and ferro-manganese ions in waste water and prevent secondary pollution, has the advantages of small energy consumption, high efficiency, a good effect and the like, is applicable to treatment of high concentration organic waste water and can guarantee stable and highly efficient water yielding and the quality of reused water.

The invention belongs to the technical field of sewage treatment, and relates to a parallel anaerobic-anoxic-oxic (A2O)-membrane bioreactor (MBR) denitrifying phosphorus removal method. Adopted devices comprise an oxic tank, an anaerobic tank, an anoxic tank and a membrane tank, wherein the oxic tank is connected in parallel with the anaerobic tank; sewage to be treated and external reflux sludge are mixed in a distribution well and flow into the oxic tank and the anaerobic tank according to a proper proportion respectively, and internal reflux mixed liquid which reflows from the anoxic tank also flows into the oxic tank simultaneously; sewage which flows out of the oxic tank and sewage which flows out of the anaerobic tank are mixed and flow into the anoxic tank together for denitrifying phosphorus removal; and the sewage enters an MBR tank for sludge and water separation, and a part of residual sludge serves as the external reflux sludge to be fed into the distribution well. The parallel A2O-MBR denitrifying phosphorus removal method can be used for the new construction and modification engineering of a biological denitrifying phosphorus removal sewage plant, the volume and the aeration amount of an aeration tank can be reduced, and a secondary sedimentation tank can be eliminated simultaneously, so that the floor space of an urban sewage plant is reduced.

The invention discloses a treatment method of secondary wastewater of kitchen waste. The treatment method comprises the following steps of: (1) carrying out materialization pretreatment on kitchen wastewater to remove floater, animal or vegetable butter, oil and SS (suspended matter) in the wastewater; (2) carrying out the two-stage hydrolysis acidification-IC (internal circulation) anaerobic reaction treatment and biochemical treatment of an aerobiont separation bed on the wastewater; and (3) carrying out flocculation and precipitation on the biochemically-treated wastewater to discharge, and concentrating, dewatering and drying precipitate. The wastewater discharged by using the method reaches The people's Republic of China national standard of sewage comprehensive discharge standard (third-level discharge standard); through two-stage hydrolysis acidification-IC anaerobic reaction treatment, the gross removing rate of CODcr (chemical oxygen demand) can reach more than 92%, and carbon source does not needed to be supplied in the midway of the reaction, so that the normal running of equipment can be guaranteed.

Disclosed is a secondary water supply system peak shifting water replenishing dispatching management platform. A plurality of secondary water supply systems are each provided with a set of data collecting and emitting control equipment, each data collecting and emitting control equipment comprises a water pressure switch, a single-chip microcomputer module, an edge calculating control unit, and anelectromagnetic water valve installed on a water tank and connected with a municipal tap water pipe network pipeline; a manager is provided with an upper computer, a cloud platform data receiving system, a big data analyzing unit, a production and decision dispatching unit, an asset distribution database unit, an open platform data interface, a role management unit and an application unit are installed inside the upper computer, the manager is further provided with a visualized video and data monitoring platform, the application unit comprises a manager mobile phone side APP and a computer side program. It is ensured that water inside the water tank is sufficiently recycled, water is sufficiently supplemented to the water tank at a non-peak period, the water quality is improved, water generated by drainage is reduced, and energy consumption generated by drainage is lowered, and the whole water consumption safety of residents is improved through maintenance, cleaning and management ofthe water tank.

The invention relates to water treatment compound coagulant and a compound flocculation method thereof. The compositions and the content of the water treatment compound coagulant are: 1 to 3 shares of PAFC, 1 to 6 shares of FeCl3, and 0 to 0.3 milligrams of HCA per liter of water. The compound flocculation method of the water treatment compound coagulant follows the following steps: under quickly stirring in 150 to 300 revolutions per minute, 1) firstly the inorganic macromolecule coagulant PAFC is added; 2) after 5 seconds to 20 seconds, and then the organic coagulant FeCl3 is added; 3) after continuously quick stirring for 30 seconds to 60 seconds, and then cation macromolecule coagulant aid HCA is added; and 4) after still quick stirring for 60 seconds to 90 seconds, and then slowly stirring in 30 to 50 revolutions per minute, and stopping after 10 to 20 minutes to settle the flocculation. The compound enhanced flocculation proposal of the invention not only solves the problem of the former traditional technology that water has large chrominance and high residue turbidity after adding iron salt, but also improves the defects of light alum and slow settling after singly adding PAFC.

The invention relates to a filtration-fabric anti-clogging strengthening compound flow constructed wetland domestic sewage treatment system comprising a pretreatment region, a main reaction region andan exhalant region, wherein the pretreatment region comprises a framed tube, an intake pipe, a filter bag, an air inlet pipe and a porous aerator; the main reaction region is formed by connecting a first unit, a second unit and a third unit in series; the bottom of the main reaction region is provided with a gravel water-distribution layer; a biological porcelain granule layer is distributed in the first unit; gravel and a steel slag layer are distributed in the second unit; a zeolite layer is distributed in the third unit; each unit is divided into a left grid and a right grid; the left gridis higher than the right grid; the top of an aquatic plant root region in the left grid is provided with a triangular weir; the pretreatment region and the main reaction region are connected by a perforated water-distribution plate which is arranged at one end of a gravel water-distribution layer; and the exhalant region comprises an exhalent pipe which is arranged at one side of the main reaction region. The invention has the advantages of high pollutant removal rate, stable system operation, greatly improved hydraulic load, small floor area, low operation and maintenance costs, and the like.

The invention belongs to the environmental protection technical field and control field and specifically relates to a sewage treatment process energy-saving optimization control method based on a quantum genetic algorithm. The method is characterized in that, with effluent quality, aeration, pumping energy consumption and sludge and waste treatment cost being taken into overall consideration, quantum state vector expression is introduced to genetic encoding to express chromosomes, and evolutionary search is achieved by utilizing quantum gate effect and update so as to optimize operating cost of sludge and waste treatment, backflow and aeration energy consumption and the like of a sewage treatment system; and aeration intensity of an air blower and sludge pump backflow amount are adjusted by a fuzzy neural network controller in real time based on a set value after optimization so as to realize optimization control of the sewage treatment process, thereby reducing the operating cost while ensuring the effluent quality, reducing the sewage treatment cost and promoting efficient and stable operation of a sewage treatment factory.