103results about How to "Uniform water quality" patented technology

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 discloses a zero-emission device for concentrated saline water evaporated liquid and a process method. The device comprises a concentrated saline water pump, an air pre-heating device, an evaporation device, a salty mud pump and a solid-liquid separation device, wherein the concentrated saline water pump is connected with the evaporation device through a pipeline; the evaporation device is connected with the salty mud pump through a pipeline; the salty mud pump is connected with the solid-liquid separation device through a pipeline; the air pre-heating device is connected with the evaporation device through a pipeline; and the solid-liquid separation device is connected with the evaporation device through a pipeline. The zero-emission device for the concentrated saline water evaporated liquid and the process method disclosed by the invention have the characteristics of zero emission, low operation cost and high efficiency.

The invention relates to an industrial park heavy metal wastewater advanced treatment device which comprises a physical filter system (1), a multifunctional coagulative precipitation system (2), a combined biochemical system (3) and an MBR (membrane bioreactor) membrane system (4) which are sequentially connected, wherein the physical filter system is a 2mm fine grid, and is used for removing smaller floating materials and solid matters with the diameter of greater than 2mm in sewage, thereby ensuring the effect of the subsequent biological treatment system and the stable operation of maintenance equipment. The combined biochemical tank is composed of a hydrolysis+A2O tank, the MBR membrane system and a matched sludge concentration tank. The water treatment technique is carried out by sequentially using the units above. The physical filter system is a 2mm fine grid, and a stirrer is respectively arranged in an anaerobic section and an anoxic section. The anaerobic region, anoxic region and aerobic region are strictly separated, thereby being beneficial to the reproduction and growth of different microbial florae, and having favorable denitrification and dephosphorization effects.

The invention provides a treatment method of heavy metal waste water. The treatment method comprises the following steps: firstly homogenizing heavy metal waste water, so that the water quality of theheavy metal waste water from different procedures can be balanced, performing the anaerobic-aerobic circular treatment for the heavy metal waste water after the anaerobic treatment in a membrane bioreactor, reducing the heavy metal ions under the effect of microorganisms in the anaerobic treatment process, wherein the membrane bioreactor is filled with hollow cellulose comprising benzoquinonyl, the benzoquinonyl in the cellulose is used as an electron medium to accelerate the enzymatic reduction reaction of the heavy metal ions in the anaerobic process, so that a purpose of efficiently removing the heavy metal ions can be achieved; and in the aerobic treatment process, COD and SS in the waste water can be further removed, so that the produced water can reach the grade-A emission standard.

The invention discloses a method and device for comprehensively purifying runoff rainwater. The runoff rainwater is collected by a collecting system and is introduced into a storing and regulating pool after being subjected to large-particle impurity removal through a grate. The runoff rainwater is subjected to water quantity regulation, water quality homogenization and primary sedimentation by the storing and regulating pool and then is introduced into a runoff rainwater purifying pool. A water inlet of the runoff rainwater purifying pool is provided with a vertical water distribution port so as to guarantee a system baffling function. A vertical baffling retaining wall is arranged downwards from the top of the purifying pool at a set distance from the water inlet of the purifying pool in a horizontal direction, and an integral baffling plate in 45-degree included angle with the retaining wall is fabricated at the bottom of the retaining wall. An oil collecting pool is arranged at the inner side of the retaining wall, a group of conical ports is arranged in the middle of the oil collecting pool in design and is used for guaranteeing the oil isolation function of the oil collecting pool. A pebble retaining wall with certain height is arranged upwards from the bottom of the purifying pool at a certain distance from an overflow gate. Slopes with certain gradient are respectivelyarranged at the bottoms of the purifying pool before and behind the pebble retaining wall, and sand collecting grooves are respectively arranged at low concave parts of the two slopes. Emptying pipesare respectively arranged at parts with certain heights at the left side and the right side of the pebble retaining wall, and are provided with valves for control.

The invention discloses a circulating pipe network water quality integrative simulation test system with multichannel flow switching and calibrating devices. The system comprises a water supply subsystem and an independent circulating pipe network subsystem, wherein the water supply subsystem comprises a first water supply water tank and a second water supply water tank; the first water supply water tank is provided with a water inlet, a water outlet and a chemical filling hole; the second water supply water tank is communicated with the first water supply water tank by a pipeline with a second valve and is provided with a water inlet, a water outlet and a chemical filling hole; the independent circulating pipe network subsystem is a loop comprising a main circulating pump, a multichannelflow switching and calibrating device and a high-level water replenishing and exhausting water tank which are connected in series by virtue of pipelines; the loop is connected with a first pipeline branch for realizing closed circulation, a water replenishing system, an emptying branch, a water quality online monitoring system and a temperature control system; and meanwhile, chemical filling systems are also connected on the pipeline of the independent circulating pipe network subsystem. All the components of the system cooperate with each other and the system has the advantages of high simulation degree and capability of simulating various working conditions of municipal water supply pipe network systems.

The invention discloses a high-density fish and vegetable co-existing system which comprises fish tanks, a planting system and a water storage tank, wherein the planting system comprises hydroponic vegetable breeding grooves and river stone breeding beds; the fish tanks are connected with flow diversion tanks and a solid sewage separation tank; the solid sewage separation tank is connected with a bacterial sewage decomposition tank; the bacterial sewage decomposition tank is connected with the water storage tank; the water storage tank is connected with the flow diversion tanks through a water pump; the flow diversion tanks are connected with the planting system; the other end of the planting system is connected with the water storage tank through a pipeline. A fish breeding system is adopted for generating nutritional water, and the nutritional water is diverted into the planting system through the flow diversion tanks and provides normal nutrition for plant growth; large-scale high-density production can be realized and the efficiency is high; water subjected to multiple purification is relatively good in quality; breeding and planting system structures are independent; the co-existing system is simple in structure and convenient to manage and maintain; the breeding system is low in operation cost, low in energy consumption and environment-friendly; the co-existing system has the characteristics of simple structure, stability and convenience for mounting, maintenance and operation; diversity of culture of leaf vegetables and melon and fruit vegetables can be realized.

The invention belongs to the technical field of sewage treatment, in particular to a recycling and treatment technique of chemical industry waste water and a device. The technical proposal is as follows: the recycling and treatment technique of chemical industry waste water comprises the following steps of: using lime water to adjust the pH value of the chemical industry waste water; primary settlement; hydrolysis and acidification; adjusting the pH value to 7 to 7.5; carrying out aerobic biochemical treatment in an active sludge tank; secondary settlement; air floatation; and storage. The invention also provides a device for recycling and treatment of the chemical industry waste water, comprising a grating, an adjusting tank, a primary settling tank, a hydrolysis and acidification tank, an active sludge tank, a secondary settling tank, an air floating machine and a cleaning and storage tank, wherein, the adjusting tank, the primary settling tank, the hydrolysis and acidification tank, the active sludge tank, the secondary settling tank, the air floating machine and the cleaning and storage tank are connected in sequence. The technique has simple process, few structure, compact arrangement, little occupy area and saving investment; the water which is treated by the process of the technique reaches to the national primary standard of composite discharge of the sewage, and can completely recycle and utilize without secondary pollution, thus realizing cleaner production and civilizer production.

The invention provides a treatment method of dyestuff wastewater. The treatment method comprises the following steps: firstly, carrying out homogenization treatment on the dyestuff wastewater so as tobalance the water quality of the dyestuff wastewater from different procedures; then carrying out anaerobic treatment on the homogenized dyestuff wastewater; carrying out the anaerobic treatment to remove a lot of COD (Chemical Oxygen Demand) and SS (Suspended Solids) in the dyestuff wastewater; finally, carrying out anaerobic-aerobic circulating treatment on the dyestuff wastewater subjected tothe anaerobic treatment in a membrane bioreactor. According to the treatment method, the membrane bioreactor is filled with a hollow fiber membrane containing quinonyl and the quinonyl is used as an electronic vector and can be used for accelerating enzyme-catalyzed reaction of dyestuff de-coloring in an anaerobic process, so that the aim of efficiently de-coloring is realized; in an aerobic treatment process, the COD and the SS in the wastewater are further removed, so that output water reaches first-grade emission standards. An embodiment result shows that the method provided by the invention is used for treating the dyestuff wastewater; the COD content in the output water is less than 100mg/L, the chroma is less than 20 times and the content of the suspended solids (SS) is 0.

The invention discloses a circulating pipe network water quantity integrated simulation test system with a temperature control system. The system comprises a water supply subsystem and an independent circulating pipe network subsystem; the water supply subsystem comprises a first water supply tank and a second water supply tank, wherein the first water supply tank is provided with a water inlet, a water outlet and an agent injection port, and the second water supply tank is communicated with the first water supply tank by using a pipeline with a second valve and provided with a water inlet, awater outlet and an agent injection port; the independent circulating pipe network subsystem is a loop comprising a main circulating pump, an electromagnetic flow meter and a high-level water supply and exhaust water tank connected in series through a pipeline; and the loop is connected with a first pipeline branch for realizing closed circulation, a water supply system, an emptying branch, a water quality monitoring system and the temperature control system. The pipeline of the independent circulating pipe network subsystem is connected with an agent injection system. The circulating pipe network water quantity integrated simulation test system with the temperature control system has the advantages of high simulation degree and capability of simulating multiple actual municipal water supply pipe network system working conditions by cooperation of the components.

The invention discloses a circulation pipe network water quality comprehensive simulation test system with a stationary water pipe section, which comprises a water supply subsystem and an independent circulation pipe network subsystem; the water supply subsystem comprises a first water supply water tank and a second water supply water tank which is communicated with the first water supply water tank by a pipeline with a second valve; the independent circulation pipe network subsystem comprises a main circulating pump, a multichannel flow-switching calibration device, a visible pipe section, and a loop of a high-level water-supplementing exhausting water tank which are in serial connection by pipelines; the loop is connected with a first pipeline branch, a water-supplementing system, an emptying system, a water quality on-line monitoring system, a temperature-control system, a replacement pipe section branch, and a stationary water pipe section which are used to realize closed circulation. Meanwhile, a medicament injecting system is connected to the pipeline of the independent circulation pipe network subsystem. With the mutual cooperation of each part, the circulation pipe networkwater quality comprehensive simulation test system has the advantages of high fidelity, and capability of simulation of conditions of various actual municipal water supply pipe network systems.

The invention discloses a water quality comprehensive simulation test system with replacement pipe sections for a circulating pipe network. The system comprises a water supply subsystem and independent circulating pipe network subsystems. The water supply subsystem includes a first water supply tank and a second water supply tank communicated with the first water supply tank through a pipeline with a second valve. Each independent circulating pipe network subsystem includes a main circulating pump, a multichannel flow switch calibration device, a visible pipe section and a loop of a high water supplement and exhaust tank that are connected in series by a pipeline. The loop is in connection with a first pipeline branch for realizing closed circulation, a water supplement system, a blowdownbranch, a water quality on-line monitoring system, a temperature control system and replacement pipe section branches. Meanwhile, the pipeline of the independent circulating pipe network subsystem isalso connected to a reagent filling system. Making use of the interaction among all parts, the water quality comprehensive simulation test system for a circulating pipe network has the advantages of high simulation degree and ability to simulate the working conditions of a plurality of municipal water supply pipe networks.

The invention discloses a domestic sewage treatment process which saves water, is good in treatment effect and meets the discharge standard. The treatment process includes the following steps that 1,pretreatment is conducted, wherein domestic sewage is intercepted by a structure with grids and automatically flows into an adjustment pool; 2, biochemical treatment is conducted, wherein sewage adjusted by the adjustment pool is sequentially sent to an anaerobic pool and an aerobic pool through a lift pump for biochemical treatment; 3, precipitation treatment is conducted, wherein sewage treatedby the aerobic pool enters a secondary sedimentation pool for precipitation treatment; 4, disinfection treatment, wherein the sedimentation pool discharge water to a disinfection pool for disinfection, and various indexes of sewage obtained after disinfection meet the standard. According to the domestic sewage treatment process, the arrangement of the adjustment pool can balance the water amount and the water quality, and continuous operation of follow-up treatment units is ensured. Through the combination of the characteristics of domestic sewage, anaerobic treatment and aerobic treatment arecombined for biochemical treatment, a large part of organic matter in sewage can be treated, and the purification effect is good.

The invention belongs to the technical field of sewage treatment and particularly relates to an asphalt production wastewater treatment process, which includes the following steps: collecting asphaltproduction wastewater through a pipe network in a plant area and feeding the wastewater into a wastewater treatment system, lifting the wastewater to a regulation and oil removal tank to remove floating oil and sludge in the wastewater; feeding the floating sludge into a sludge treatment system; and treating the wastewater through the regulation and oil removal tank, a loading coagulation oil remover, a balancing tank, a coagulation and flocculation floatation tank, a secondary settlement tank, a pre-ozone contact tank and an aeration bio-filter tank, so that generally, the pollutant indices of the discharged water from the aeration bio-filter tank can reach standards, and then the water can be fed into a clear water tank. The method can increase removal rate of SS and COD in the asphalt production wastewater, so that the asphalt production wastewater can reach emission standard and environment pollution is reduced.

The invention discloses a valveless rapid sand filter deep treatment underground integrated sewage treatment method. The method comprises the following steps: a grating tank, a water accumulation tank, a regulating tank, an anoxic tank, an aerobic tank, a secondary settling tank, a sand filter tank and a clear water tank are arranged below the ground surface, the opening of the grating tank is level to the ground surface so as to facilitate water inflowing, a water accumulation tank lifting pump is arranged at the bottom of the water accumulation tank, a regulating tank lifting pump is arranged at the bottom of the regulating tank, a jet device is arranged in the aerobic tank, an inclined tube settling dish is arranged in the middle of the secondary settling tank, the sand filter tank comprises a filtering area and a clear water area, a water distribution main pipe is arranged at the inner bottom of the filtering area and positioned in a supporting layer, a filter material layer is arranged on the upper part of the supporting layer, a clear water outlet valve and a backwashing valve are not needed to be arranged in the sand filter tank respectively, a pipeline with larger diameter serves as a backwashing pipe and takes the difference between the backwashing water quantity and treatment water quantity of the sand filter tank as a designed flow, and a stop valve is arranged on the backwashing pipe.

The invention discloses an intelligent biological oxidation purification treatment and control system for hospital sewage. The system is characterized by comprising a septic-tank, a regulating reservoir, a primary sedimentation tank, a hydrolysis acidification pool, a biological oxidation pond, a secondary sedimentation tank, a disinfection tank, a filter tank, a water storage tank and a drainage tank, wherein the septic-tank, the regulating reservoir, the primary sedimentation tank, the hydrolysis acidification pool, the biological oxidation pond, the secondary sedimentation tank, the disinfection tank, the filter tank, the water storage tank and the drainage tank are sequentially communicated with one another; and a grillage machine is arranged between the septic-tank and the regulating reservoir. Through improvement, the intelligent biological oxidation purification treatment and control system is reasonable in structural design and high in utilization efficiency, and is widely applied to the field of sewage treatment of medical institutions; and the operation cost is lowered.

The invention discloses a multipoint sampling type water sample collector and a water sample collection method. The multipoint sampling type water sample collector comprises a pipe body and a core rod, wherein a water storage cavity is formed in the core rod, a water inlet and a water outlet are formed in the pipe body, and the rod body is controlled to move by an underwater electronic hydraulic cylinder; and multiple water samples can be collected by virtue of the multipoint sampling type water sample collector. According to the water sample collection method, the sampling number can be determined according to a specific water body condition, and the accurate water quality conditions of multiple sampled water bodies can be accurately acquired.

The invention discloses an improved regulating reservoir for low carbon treating and recycling process of ash water. The regulating reservoir consists of a regulating reservoir main body, a regulating reservoir cover plate, a reservoir bottom mud storing groove, a vertical vent pipe and a hair collector, and has the functions of adjusting water amount, balancing water quality, settling high-specific-weight pollutants, storing primary sludge and residual sludge, safely exhausting gas produced in the regulating reservoir, and the like. In the improved regulating reservoir, a grate, a pre-aeration pipe of the regulating reservoir and a sludge treating facility used in the conventional recycled water treatment process are eliminated, so that corresponding construction investment and running cost are lowered, the load of subsequent treatment of ash water is lowered, and the influences of ash water treatment and sludge treatment facilities on buildings and housing estates are lowered; the regulating reservoir cover plate and the vertical vent pipe are arranged, so that safe exhaust of waste gas produced in the regulating reservoir is ensured; the mud storage groove which is used for storing ash water primary sludge and residual sludge produced in subsequent treatment is additionally arranged; and the hair collector is additionally arranged, so that the influence of floating materials and larger particles in the ash water on a subsequent treatment process is lowered.

The invention relates to a combined type SBR (Sequencing Batch Reactor)-MBR (Membrane Bioreactor)-Fenton pig-raising wastewater treatment method. The combined type SBR-MBR-Fenton pig-raising wastewater treatment method comprises the following steps: intercepting residues through a grid, collecting and blending through a water collection pond, carrying out solid-liquid separation, carrying out anaerobic fermentation in a black film biogas pond, carrying out SBR reaction tank, MBR reaction tank and Fenton deep oxidization treatment and the like; the removing rate of COD (Chemical Oxygen Demand)of treated wastewater is greater than 99.5 percent, the removing rate of BOD (Biochemical Oxygen Demand) is greater than 99.5 percent, the removing rate of SS (suspended solids) is greater than 99.9 percent, the removing rate of ammonia nitrogen is greater than 99 percent, the removing rate of total phosphorus is greater than 99.5 percent, the removing rate of chroma is greater than 98 percent andthe effluent water quality of the wastewater reaches first-grade standards of Comprehensive Wastewater Discharge Standards. According to the combined type SBR-MBR-Fenton pig-raising wastewater treatment method, SBR, MBR and Fenton are combined, and an SBR-MBR membrane biological reaction system and an integrated Fenton oxidization device, which are innovatively designed, are combined and are applied to treatment of the pig-raising wastewater; the construction investment is 20 percent or more than the construction investment of an existing treatment method, the construction period is shortenedby half the time and the operation cost is reduced by 50 percent or more, so that the combined type SBR-MBR-Fenton pig-raising wastewater treatment method has remarkable technological economic benefits.

The invention discloses a mineral substance slow release ball and device with a service life prompting function. The mineral substance slow release ball is composed of a mineral substance slow releaseshell layer and a small ball body, containing colored mineral powder, embedded into the center of a ball body. The small ball body containing the colored mineral powder is prepared from 60%-70% of colored mineral powder, 15%-25% of medical stone powder and 10%-20% of kaolin according to the weight percents accounting for the total weight of the small ball body containing the colored mineral powder. The colored mineral powder is a mixture of far infrared ceramic powder, anion powder and hematite powder, wherein the mass ratio of the far infrared ceramic powder to the anion powder to the hematite powder is (2-3):(1-2):1. The device comprises a stainless steel shell with multiple through holes. The mineral substance slow release ball is put in the shell. The small ball body containing the colored mineral powder, namely a service life prompting small ball is arranged in the mineral substance slow release ball, after the material is consumed, the colored powder is dissolved out, and a useris promoted to replace the mineral substance slow release ball with a corresponding mineral substance slow release ball.

The invention discloses a rapid infiltration system for efficient treatment on initial rainwater. The system comprises a pretreatment system and an infiltration system. The pretreatment system comprises a grid pool and a buffer storage tank communicated with the grid pool by a pipe. The infiltration system comprises an infiltration tank. The infiltration is communicated with the buffer storage tank through a pipe. A plurality of filler layers are arranged in the infiltration tank. The system has a simple structure. Through the optimized configuration of the combined filler, the ability of thesystem to remove various pollutants in the initial rainwater is greatly improved, the comprehensive cost is low and the operation and management are convenient.