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

The invention relates to a bionic lower limb exoskeleton robot based on rope drive. The bionic lower limb exoskeleton robot comprises a backpack, a waist mechanism, thigh fixing devices, knee joint mechanisms, shank fixing devices and ankle joint mechanisms. A drive control system is placed in the backpack, the backpack is mounted on a waist support of the waist mechanism, a hip joint box is connected to the lower end of the waist support, the upper ends of the thigh fixing devices are connected with thigh connecting parts stretching out of the hip joint box, the lower ends of the thigh fixing devices are connected with the inner side of a knee joint box, the lower end of a swing plate stretching out of the lower end of the knee joint box is connected with the upper ends of the shank fixing devices, the lower ends of the shank fixing devices are connected with an ankle joint connecting plate on an ankle joint box, and ankle joint shafts stretching out of the inner side of the ankle joint box are connected with shoes. The motion error of the exoskeleton robot and the human body can be greatly reduced, the exoskeleton robot can be batter attached to the thighs, the bionic property is high, the size is small, the thickness is small, the mass is small, wearing is comfortable, operation is easy and convenient, and walking is stable.

The invention discloses a high-speed rotation testing machine and a method for testing the high-speed rotation strength performance of a rotor. The high-speed rotation testing machine comprises a test cavity, a rotor system which is accommodated in the test cavity and used for testing the test rotor, a driving system that drives the rotor system and a rotating speed control system that controls the rotating speed of the rotor system, wherein the driving system includes a driving motor and a speeder which is connected with the driving motor and drives the rotor system to rotate at a high speed, the rotor system includes a test rotor fixed part, a main shaft connected with the test rotor fixed part and driven to rotate by the speeder, and a damper which is sleeved outside the main shaft and supports the main shaft, the test cavity is equipped with a vacuumizing opening, a plurality of layers of containing rings is arranged in the test cavity and surround the rotor system, and the containing rings are connected through spacing blocks arranged at tail ends of the containing rings. The high-speed rotation testing machine uses a high-speed rotating rotor as a test object, the rotor is speeded up through the speeder system, the working condition of the rotor in high-speed rotation is simulated, and the performance requirement of high speed centrifugal load effect resistance of the rotor is tested.

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 discloses a device for treating high ammonia-nitrogen wastewater and a method thereof. The method comprises the following steps: inoculating activated sludge to an anoxic tank and an aerobic tank to fill the anoxic tank with activated sludge, turning on a stirrer and repeating the following steps: 1) a water feed pump is turned on and sequencing batch feeding of water is adopted, and according to design treatment capacity, high ammonia-nitrogen wastewater to be treated is inputted into the anoxic tank and then flows into the aerobic tank through a downflow weir; 2) in the anoxic tank, nitrate nitrogen in the wastewater is reduced under the action of a carbon source; an aeration system is turned on, and ammoniacal nitrogen and organic matters in the wastewater are oxidized in the aerobic tank; and the aeration system is turned off; 3) in a membrane separation tank, design treatment capacity-based nitrated wastewater is filtered with a membrane in a membrane module and then the filtered wastewater is discharged; in the anoxic tank and the membrane separation tank, wastewater which is 3 times less than the design treatment capacity flows back to the anoxic tank; and in the anoxic tank, the same amount of denitrified wastewater flows into the aerobic tank through the overflow weir. By combining the A / O technology and the membrane separation technology, efficient mud-water separation can be realized, and stable effluent quality can be obtained.

The invention discloses a recycling method of circulated cooling water of industrial wastewater with carbinol, which comprises the following steps: adopting hydrolytic adjusting pond; proceeding microbe contacting to oxidize; proceeding aerobic biological contact to oxidize; concreting; sedimenting; filtering through active charcoal; sterilizing through UV; adopting elastic cubic fill and microhole aerating system as fill of biological contact oxidizing course; decomposing organism with DO under 0.5-1. 0mg / l; removing CODcr, suspension and organism effectively.

The invention provides an SBR (sequencing batch reactor) semi-short-distance nitrification process control method, belonging to the technical field of biological sewage treatment and being applicable to semi-short-distance nitrification treatment of low-ammonia-nitrogen wastewater such as urban domestic sewage. The SBR semi-short-distance nitrification process control method comprises five stages, namely inflow stirring and inputting of initial ammonia concentration, aeration stirring, sedimentation, dewatering and standing, wherein an aerobic aeration time is calculated according to a formula ta=tCOD+0.56alphaS0 / ((S0-Sn) / (n-tCOD)), aeration is timely stopped, and semi-short-distance nitrification is realized, wherein concentration ratio of nitrite ions to ammonia nitrogen in yielding water is maintained to be 0.9-1.5; and process management and operation are easy, and impact resisting load of s system is high. Compared with the traditional SBR process control technique, a semi-short-distance nitrification reactor can maintain high nitrite accumulation rate more stably; and the problem that the concentration ratio of the nitrite ions to the ammonia nitrogen in the yielding water of semi-short-distance nitrification can not be controlled in a domestic sewage biological treatment technology is solved, and a necessary inflow guarantee is provided for stable operation of an autotrophic denitrification system in the urban sewage low-ammonia-nitrogen wastewater.

This invention relates to a two-phase integrated, multi-layered and internal-circulation anaerobic biological reactor. It is composed of: an upper inner casing, a middle inner casing and alower inner casing, a 1st gas-liquid separation reflecting plate, a 2nd reflecting plate, a 1st gas-isolation guiding plate, a 2nd gas-isolation guiding plate, an upper agitator, a lower agitator, liquid distributor and solid-liquid separator. Due to the equipped multiple inner circulation it makes the liquid being of fluidization condition, the anaerobic reaction is better than that of prior art method. This invention has advantages of: low area occupation, high load rate, high resistance of shock load, high efficiency, stable treatment, convenient operation, low operation cost, full sealed system of reactor, no bad odour, quick starting, short period of establishment, being suitable for the treatment of waste-water, waste-matter and waste-sludge in size of large, medium or small scale.

The invention relates to an active and passive combined variable-instantaneous-center flexible-rope-driving lower extremity exoskeleton robot and a control method. The active and passive combined variable-instantaneous-center flexible-rope-driving lower extremity exoskeleton robot includes a control box (I), a waist structure (II), a knee joint mechanism (III), a shank part (IV) and an ankle jointmechanism (V). Control elements are disposed in the control box (I), and the waist structure (II) includes a back plate, a battery, a drive, a lumbar support, a waist and back flexible joint, a hip joint and a thigh connector, wherein a clutch is added to the drive part to realize the active and passive combination. The knee joint mechanism (III) is of a rolling cam variable-instantaneous-centerstructure and connected with thighs and shanks. The shank part (IV) includes supporting shanks and flexible straps, and the length can be adjusted. The ankle joint mechanism (V) is connected with theshanks. A variable-instantaneous-center mechanism of the active and passive combined variable-instantaneous-center flexible-rope-driving lower extremity exoskeleton robot has high bionic properties and can adapt to human body movement; the structure is simple, and the mass is small; the active and passive conversion can be realized, and the flexibility is high; the flexible rope drive is safe andreliable; and the flexible straps are comfortable to wear through inner lining design.

The invention discloses a method for removing ammonia nitrogen from artificial leather manufacturing waste water, which comprises the following steps: 1, performing coagulating sedimentation pretreatment of the artificial leather manufacturing waste water by adding aluminium polychlorid; 2, discharging the pretreated waste water into a first hydrolysis acidification tank to perform hydrolysis acidification; 3, discharging the waste water into an aerobic tank after the hydrolysis acidification treatment to perform aerobic aeration treatment; 4, discharging the effluent of the aerobic tank into a middle settling tank to remove suspended matters; 5, discharging the effluent of the middle settling tank into a second hydrolysis acidification tank to perform secondary hydrolysis acidification treatment; 6, discharging the effluent of the second hydrolysis acidification tank into a oxidation ditch to perform plugflow aeration treatment; 7, discharging the effluent of the oxidation ditch into a second settling tank to remove the suspended matters; and 8, discharging the effluent of the second settling tank into an eco-pond to perform ecological treatment and directly discharging the processed waste water. The method overcomes the drawbacks of undesirable denitrification effect, unstable and nonstandard effluent, and the like of the prior processing art and has the advantages of simple and convenient operation, low operation cost, high impact load resistance, and the like.

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.

The invention relates to a treatment method and treatment equipment for dry tail gas in artificial board industry. The treatment method comprises the following steps: (a) directly discharging the drytail gas after sequentially carrying out pre-spraying treatment and wet type electric dedusting treatment on the dry tail gas, and collecting a spraying solution; (b) standing and layering the spraying solution, thus obtaining first supernatant and first precipitate; (c) filtering the first supernatant, and standing and layering, thus obtaining second supernatant and second precipitate; (d) collecting the first precipitate and the second precipitate, and using a part of the second supernatant as the spraying solution for recycling. According to the treatment method and the treatment equipment,disclosed by the invention, dedusting, dehumidifying deodorizing and ultralow emission can be achieved by adopting the pre-spraying treatment and the wet type electric dedusting treatment, and the problem of ultralow emission of pollutants in the dry tail gas in the artificial board industry can be solved; by adopting wastewater after filtration and filter pressing treatment as a recycling solution, the using amount of water is greatly reduced, and the running cost is reduced.

The invention belongs to the technical field of environmental engineering, and particularly relates to a river and lake runoff pollution cascade control system which comprises an initial rain filtering cut-off channel, a multistage plant filtering purification strip, an ecological wooden revetment and an underwater soft fence. The initial rain filtering cut-off channel is arranged on a water sideof a water's edge roadway or water's edge sidewalk, the multistage plant filtering purification strip is arranged on a water side of the initial rain filtering cut-off channel and comprises a ground-cover plant filtering strip, a wet plant filtering strip, an emergent aquatic plant filtering strip and a submerged plant filtering strip which are sequentially connected, the ecological wooden revetment is arranged between the wet plant filtering strip and the emergent aquatic plant filtering strip, and the underwater soft fence is arranged on the submerged plant filtering strip. Initial rainwaterpollution is effectively controlled and cut off in a targeted manner, water pollution caused by surface runoff is greatly reduced, and the river and lake runoff pollution cascade control system is high in integration, low in cost and simple and convenient to operate and maintain.

The invention relates to the field of wastewater treatment and especially relates to a method for utilizing a pre-depositing magnetic separation combined technology to treat municipal wastewater. The method comprises the following steps: pouring the wastewater into a pre-depositing system, primarily separating the wastewater from activated sludge and depositing 80-90% of activated sludge in the pre-depositing system; causing effluent to enter into a magnetic separation system; causing small sludge clusters in the wastewater to form micro-magnetic flocculation by adding micro-magnetic flocculation agent; utilizing a magnetic separation device to perform muddy water separation; and after disinfecting the effluent of the magnetic separation device, recycling or draining the effluent. The pre-depositing system is a manmade depositing system and comprises a water distributing unit, a depositing area, a sludge backflow area and a water draining unit. The method has the advantages of high separating speed, small floor space, strong resistance to an impact load, and the like.

The invention relates to an internal recycle sequencing batch type biomembrane wastewater treatment device. The device comprises a water box connected with a reactor by a pipe through a water pump and a water distribution head; the the reactor is internally provided with a filler bed for fixing fibrous fillers, a water distribution head connected with the water pump and an aeration head connected with an aerator; the water pump, the aerator, a valve and an internal recycle pump are connected with a time controller; the device is characterized in that the reactor internally comprises the internal recycle pump, the internal recycle pump is connected with an internal recycle pipe, and the water outlet of the internal recycle pipe is positioned at the upper end of the reactor; and the water distribution head is also connected with the valve to realize water drainage function. Therefore, the invention aims at the defect that a spiral agitator cannot be installed on the fiber filler bed inside the reactor, and the internal recycle pump is installed inside the reactor of the fiber filler bed so as to guarantee upper filler layer to obtain sufficient nutrients, thereby improving the fixation amounts of nitrifying bacteria and denitrifying bacteria, guaranteeing short hydraulic retention time, precipitating out the water with better quality, and having low maintenance cost.

The invention discloses a processing device for slaughter wastewater. The device comprises a water distribution system (1), a filtering system (2) and a water collection system (3), wherein the filtering system comprises a supporting layer and multiple layers of active filler layers, the water distribution system (1) comprises a water distribution mother tube and a water distribution branch tube, the tube diameter is DN400-800, the multiple layers of active fillers are biological fillers, the height of the filler layers is 1500 mm-2500 mm and is specifically determined according to the water quality of inlet water, water quantity and the like, and the water collection system (3) comprises a water collection mother tube and a water collection branch tube.

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 two-stage biological process waste gas treatment system, which is provided with a first-stage biological filter tank and a second-stage biological filter tank. The first-stage biological filter tank is provided with a first-stage biological filter bed layer; the first-stage biological filter bed layer contains the most active thiophilic bacteria in the largest amount, and the second-stage biological filter tank contains more non-sulfur bacteria. The first-stage biological filter tank is provided with a first-stage circulating water tank at the bottom, and the water solution has a pH value of 2-4; and the second-stage biological filter tank is provided with a second-stage circulating water tank at the bottom, and the water solution has the pH value of 5-8. A gas demister is arranged between the first-stage biological filter tank and the second-stage biological filter tank. The invention adopts two-stage biological treatment process, so that different exhaust gases respectively get appropriate treatment pointedly. The system has good purification effect, makes it easy for different microorganisms to survive and to always maintain good activity, and also has good self-control performance.

The invention discloses a domestic sewage treatment system which comprises integrated sewage treatment equipment and further comprises a grid sand setting tank, a sludge drying tank and an artificial wetland. The integrated sewage treatment equipment comprises a box which is of an integral structure formed by splicing 304 stainless steel, the inside of the box is divided into an anaerobic tank, an anoxic tank, a biological contact oxidation tank, a sedimentation tank and a clean water tank which are connected sequentially, the anaerobic tank is connected with the grid sand setting tank, the sedimentation tank is connected with the sludge drying tank which is connected with the grid sand setting tank, a flow incoming system connected with the biological contact oxidation tank is arranged in the sedimentation tank, an inclined pipe filler is arranged in the sedimentation tank, and the clean water tank is connected with the artificial wetland. The domestic sewage treatment system is low in manufacturing cost, simple to maintain, capable of saving engineering land occupation and stable in outgoing water quality.

The invention discloses a modular intelligent rural sewage treatment system which is characterized in that a pretreatment module is provided with a water inlet end and a water outlet end, and the water outlet end is connected with water inlet ends of an anoxic and anaerobic module and anoxic and aerobic modules at all levels; the anoxic and anaerobic module is sequentially connected with each stage of anoxic and aerobic module, the precipitation module, the deep filtration module and the disinfection module; the dosing dephosphorization module is connected with the precipitation module, and the sludge backflow end of the precipitation module is connected to the bottoms of the anoxic and anaerobic module and the first-stage anoxic and aerobic module respectively; a water outlet end is arranged at the rear end of the disinfection module; the DO analyzer is arranged in the aerobic zone of the last-stage anoxic-aerobic module of the plurality of stages of anoxic-aerobic modules; the intelligent regulation and control early warning equipment is electrically connected with the aeration device of each stage of anoxic and aerobic module, and when conditions are met, the aeration device of each stage of anoxic and aerobic module is started, and aeration or corresponding alarm is carried out according to preset duration. As the device is composed of a plurality of modules, the device is convenient to disassemble, assemble and transport, and the convenience and effect of rural sewage treatment are improved.

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.

The invention discloses a biochemical treatment system for enhancing total nitrogen removal. The biochemical treatment system comprises an anaerobic tank, an anoxic tank, an aerobic tank, a rear anoxic tank, a rear aerobic tank and a precipitation and concentration tank which are sequentially communicated. In a treatment method, sewage is introduced into the system from the anaerobic tank, is sequentially delivered through the anoxic tank, the aerobic tank, a slightly-dissolved oxygen tank, a buffer tank, the rear anoxic tank, the rear aerobic tank and the precipitation and concentration tankto be treated and then is discharged; wherein an oxygen elimination tank is arranged in the anaerobic tank, sewage is introduced into the system through the oxygen elimination tank of the anaerobic tank; a sludge reflux pump is arranged at the bottom of the precipitation and concentration tank, and an outlet of the sludge reflux pump is communicated to the oxygen elimination tank in the anaerobictank through a sludge discharge pipe and is used for refluxing sludge at the bottom of the precipitation and concentration tank to the oxygen elimination tank in the anaerobic tank for recycling; a mixed liquid reflux pump is arranged at the tail end of the aerobic tank, and an outlet of the mixed liquid reflux pump is communicated to the front end of the anoxic tank through a reflux channel and is used for refluxing mixed liquid at the tail end of the aerobic tank to the anoxic tank to be quickly mixed with sewage introduced into the anoxic tank.