76results about How to "Strong shock load resistance" patented technology

The invention discloses a treatment process of antibiotic wastewater. The treatment process comprises the following steps: firstly carrying out coagulating sedimentation pretreatment on wastewater, and adding acidized supernate into a hydrolysis acidification pool; mixing returned sludge, anaerobic effluent and hydrolysis acidification effluent in proportion in a water distribution pool, and simultaneously regulating the pH value; feeding the regulated wastewater into a anaerobic treatment stage, converting most pollutants into water and carbon dioxide, simultaneously producing marsh gas, carrying out gas-solid-liquid separation by virtue of a three-phase separator, collecting marsh gas in a gas chamber, returning the sludge to a reaction region, returning partial supernate to the water distribution pool, and sequentially feeding rest supernate into an aerobic treatment stage and an advanced treatment stage. The antibiotic wastewater treated by virtue of the treatment process can thoroughly reach the emission standard, and the removal rate of various pollutants reaches above 99%; furthermore, facilities are simple and are easy and convenient to operate.

The invention relates to an oily sewage all-in-one processing apparatus. The apparatus is arranged on an integrated pedestal and contains a water inlet, a demulsifier dosing device, a flocculating agent dosing device, a dosing device control cabinet, a CPI degreaser, an air floatation inflow lift pump, a DAF dissolved air flotation, a middle water tank, a walnut shell filter, an activated carbon filter and a water outlet. The CPI degreaser, the DAF dissolved air flotation, the walnut shell filter and the activated carbon filter are connected successively. The water inlet is communicated to the CPI degreaser through a pipeline which is provided with the demulsifier dosing device. The CPI degreaser is communicated to the DAF dissolved air flotation, an inlet of which is provided with the flocculating agent dosing device. The oily sewage all-in-one processing apparatus has advantages of compact structure, good degreasing effect, small floor area, convenient usage and stable operation.

The invention provides a biological combined reactor used for printing and dyeing waste water processing. The reactor comprises an anaerobic baffling reacting zone, an anaerobic return chamber and an aerobiotic dynamic reaction zone. The water inlet of the reactor is disposed in the anaerobic baffling reacting zone. The anaerobic baffling reacting zone is compartmented into two or more baffling chambers by compartmenting walls. The baffling chambers are provided with vertical baffling plates and inoculated with active particle sludge accounting for one third to a half of the effective volume of the baffling chambers. The aerobiotic dynamic reaction zone is compartmented into a first compartment, a second compartment and a third compartment by two baffling plates. The second compartment is inoculated with one third to a half of the active particle sludge. The second compartment is provided with a grating net and an aerating system is disposed on the grating net. The first compartment and the third compartment are respectively provided with a bag type membrane assembly. The invention also provides a printing and dyeing waste water processing device comprising the reactor and a printing and dyeing waste water processing method by utilization of the reactor. The reactor, the device and the method are advantaged by simple process, low cost, stable running, good discharging water quality, and the like.

The invention discloses a sewage treatment technology with a sequencing mud membrane symbiosis method, comprising the following steps: adding an anerobic microorganism carrier into a sealed anaerobic adjusting tank; stirring sewage by gas generated in the anerobic treatment process in an anerobic mode; and causing the anaerobic adjusting tank to intermittently operate within 24 hours. Sewage performed with anerobic treatment is pumped to the bottom of a one-level aerobic mud membrane tank to be distributed; during one-level aerobic mud membrane treatment, stirred, aerated and precipitated supernate automatically flows into the bottom of a second-level aerobic mud membrane tank to be distributed in the mode of ejecting water for effluent, then the processed supernate is performed with second-level aerobic mud membrane treatment, and operation is intermittently carried out within 24 hours; the one-level aerobic mud membrane pool is in high sludge concentration state, and the second-level aerobic mud membrane pool is in the low sludge concentration state; the supernate of sewage, which is stirred, aerated and precipitated, automatically flows in for coagulating sedimentation treatment in the mode of ejecting water for effluent. The supernate automatically flows in for coagulating sedimentation for chemical dephosphorization; the mixture is filtered to remove residual organic matter and suspended matters to reach standard water quality. The invention has the beneficial effects of smooth and intact treatment process, low operation cost, land saving, strong anti-impact load, and can prevent sewage from expanding, and treatment of sewage is efficient and saves energy.

The invention belongs to the technical field of environmental protection, and particularly relates to a copper mine wastewater comprehensive treatment method. According to the method disclosed by theinvention, under the condition that the pH value is not adjusted, the high-COD alkaline wastewater is firstly treated in a centralized manner, so that the removal rate of COD reaches 80% or above. According to the method, the low-COD alkaline treatment water is used as a neutralizer to be mixed with the acid wastewater, so that high heavy metals in the acid wastewater are removed, the subsequent sludge treatment cost can be reduced, and the risk of pipeline scaling caused by CaSO4 can be reduced to prolong the treatment life of the whole treatment process. The method provided by the inventioncan effectively remove COD, SS and heavy metals, has the characteristics of high efficiency, strong impact load resistance, no secondary pollution, no need of additional nutrient source in the use process and the like, has the advantages of low investment and operation cost and simple operation, and can be suitable for treatment of copper mine wastewater.

The invention discloses an internal circulation anaerobic reactor with large diameter of more than or equal to 3m. A first-level three-phase separation device is arranged at the top end of a first-level high-load reaction area, and a second-level three-phase separation device is arranged at the top end of a second-level low-load reaction area; a center lifting sleeve is sealed at the bottom end of a gas-liquid separation chamber; the center lifting sleeve is internally provided with a concentric center backflow pipe in a sleeving manner; the upper end of the center backflow pipe extends into the gas-liquid separation chamber; the tail end of the center backflow pipe is connected with a cyclone water distributor in an incoming water mixing area; the first-level and second-level three-phase separation devices respectively comprise a herringbone separator and a gas-liquid lifting branch pipe communicated with the top end of each herringbone separator; the gas-liquid lifting branch pipe of the first-level three-phase separation device is in sealed connection with the tail end of the center lifting sleeve; the gas-liquid lifting branch pipe of the second-level three-phase separation device is connected with a two-level gas collection hood below the bottom end of the gas-liquid separation chamber; a two-level exhaust pipe is arranged on the gas collection hood and extends out of the cylinder; and a partition plate is arranged in the herringbone separator of the first-level three-phase separation device.

The invention belongs to the technical field of environmental protection, and more particularly relates to a method for adopting ozonized air to remove pollution algae in water body. The method uses an ozone generator to generate the ozonized air and fills the ozonized air into an algal removal SBR reactor for algal removal treatment. The ozonized air is ozone mixed with air, and the concentration of the ozonized air is controlled by flow rate, so that the ozone concentration is reduced in the process of removing algae by the ozone, and the algal removal cost is greatly reduced. The bottom of the algal removal SBR reactor is set to be a ring shape and provided with a multi-point aerator pipe, so that the uniformity of aeration of the ozonized air can be ensured. The operation is carried out under the reasonable technological parameters, and the pollution algae (chlorophyll a) in the water body is removed by the ozonized air through the algal removal SBR reactor, so that the removal rate of the pollution algae and the reduction of algae photosynthetic activity can reach more than 90%.

The invention discloses a variable instantaneous center bionic lower limb exoskeleton robot based on compliant driving. Drivers in a hip joint structure and a knee joint structure are tandem elastic drivers, each tandem elastic driver comprises a rack, the rack comprises a motor mounting frame and a shell, and the motor mounting frame is fixedly connected with the shell. A frameless direct-current servo motor is arranged in the motor mounting frame, a transmission shaft is arranged in the frameless direct-current servo motor, the output end of the transmission shaft is connected with a harmonic reducer, the harmonic reducer is arranged in the shell, the output end of the harmonic reducer is fixedly connected with an output connecting disc, and an elastic element is arranged on the output connecting disc. The elastic element is used for being connected with a lower-stage mechanism and outputting gentle torque. According to the variable instantaneous center bionic lower limb exoskeleton robot, a flexible direct drive mode is adopted for driving, and in order to improve the man-machine interaction, systematic improvement is carried out on a part of structures with small stress and a mechanism of a man-machine combination part of the lower limb exoskeleton robot.

The invention provides a treatment method and device for sulfate and chromate compound polluted wastewater, and belongs to the technical field of treatment of industrial wastewater such as mine wastewater, electroplating wastewater and the like. Biodegradable meal boxes as an electronic donor, a solid carbon source and a biofilm carrier are added. According to the method, sulfate in the wastewateris effectively reduced into elemental sulfur and sulfide precipitate, hexavalent chromium is converted into trivalent chromium without secondary pollution, trivalent chromium is effectively fixed, and higher impact load resistance is achieved. The wastewater treatment method has the advantages of cheap raw materials, simple device, high impact load resistance and good removal effect. By controlling process conditions, the compound polluted wastewater with high content of sulfate and chromate is effectively treated.

The invention provides a sulfanilamide wastewater treatment system and a treatment method. The system comprises an adjusting sedimentation tank, a filter, an adsorber, an electrocatalytic oxidizer, a biological reaction zone and a sedimentation tank II which are sequentially connected, wherein the filter is communicated with a dosing device at the same time; the method comprises the following steps: introducing the sulfanilamide wastewater into an adjusting sedimentation tank for sedimentation, and carrying out homogenization and homogenization treatment; adjusting the pH value; performing filtering; carrying out adsorption treatment and electrocatalytic oxidation treatment on the waste liquid by adopting a resin adsorber; carrying out anoxic biological reaction treatment on the obtained waste liquid, and then carrying out aerobic biological reaction treatment; and discharging after settling and disinfecting. The method has the advantages that the impact load resistance is high, and operation and control are easy and convenient; the sulfanilamide in the wastewater can be recycled, the system is stable and reliable in operation, and secondary pollution is avoided; and the purification effect is good, the effluent quality is good, and the requirements of the national sewage comprehensive discharge standard are met.

The invention discloses an anaerobic ammonia oxidation strengthening process based on hydrophobic biomass charcoal. The required biomass charcoal is prepared from agricultural and forestry biomass wastes by a one-step method or a two-step method, the water contact angle of the biomass charcoal is 60-90 degrees, and the electron transfer / exchange capacity of the biomass charcoal per unit mass (1g) reaches 1.5-2.5 mMe <->; the biomass charcoal is crushed and screened, and is then used as an up-flow biofilter filler, secondary sedimentation tank sludge is used as seed sludge, a proper amount of anaerobic ammonia oxidation sludge is supplemented, and anaerobic ammonia oxidation biofilm culturing domestication and reactor starting are carried out; and in the stable operation period, the domestication period operation condition is adopted, if the water inlet temperature is lower than 15 DEG C, the hydraulic retention time is properly prolonged, and stable operation of anaerobic ammonia oxidation under the low-temperature condition can be ensured. The anaerobic ammonia oxidation has the advantages of strong impact load resistance, low temperature resistance, high TN removal rate and the like, and breaks through the key core problem of anaerobic ammonia oxidation engineering application.

The invention relates to a treating method and treating device for exhaust gas generated in an artificial board industry. The treating method comprises the following steps: (a) guiding exhaust gas into a washing tower to be subjected to spraying treatment, directly discharging the treated exhaust gas, and collecting a spraying liquid; (b) filtering the spraying liquid, and leaving the filtered spraying liquid to stand for layering, so as to obtain first supernatant and first sediments; (c) performing aerated regeneration on the first supernatant to degrade and remove organic matters in the first supernatant, and leaving to stand for layering, so as to obtain second supernatant and second sediments; (d) collecting the first sediments and second sediments, and discharging the second supernatant. According to the invention, the technology for carrying out spraying absorption with water or activated sludge only is changed, the removing effect of a circulating liquid to VOC and other organic gases is greatly improved as the spraying is carried out with the circulating liquid contains rich extracellular polymeric substances; the direct contact between microorganisms and high-temperature gas is avoided, the activity of microorganisms in the device can be guaranteed furthest, and the regeneration efficiency of the circulating liquid is improved.