30 results about "Aeration" patented technology

A wastewater treatment method and apparatus including a denitrification (anoxic) chamber for denitrifying wastewater, an aeration basin with Bio-Wheel for aerating the wastewater, and a membrane device in which sludge particles are separated out of the wastewater, leaving clean discharge water and reusable sludge. Sludge from the membrane chamber floor is sent back to the aeration basin or denitrification chamber or both. Excess sludge is wasted or held for further processing. Preferably, the method and apparatus facilitate both activated sludge and fixed film processes.

The invention discloses a hospital sewage treatment system which comprises a grating well, a pre-disinfecting tank, a septic tank, a pre-aeration adjusting tank, an anoxic tank, a bio-contact oxidation tank, a vertical flow sedimentation tank, a quantitative tank, a purifier, a contact disinfecting tank and a dechlorination tank which are arranged in the sewage flow direction and communicate with each other through pipelines. The grating well communicates with a hospital sewage drainpipe. Processed hospital sewage passes through the dechlorination tank and is then discharged. The system provided by the invention has high degree of automation, is convenient to manage, and is adopted to reduce operating personnel. In comparison with a traditional sewage station management system, the system provided by the invention has the following advantages: energy is saved; operation time is reduced; work schedule of personnel and labor intensity are decreased; the purifying effect is good; and emission targets after processing reaches the national emission standard.

The invention discloses a multi-stage ecological water tank and ecological pond combined system. The system comprises a ladder-type ecological water tank and an ecological pond, wherein the ecological pond is arranged in a river channel and comprises an enclosure which separates out an enclosure region from the river channel, a plurality of bionic aquatic plants are arranged in the enclosure region, and aeration holes corresponding to the bionic aquatic plants are formed in the lower parts of the bionic aquatic plants and are communicated with aeration devices; a water intake is formed in the ecological pond; the ladder-type ecological water tank comprises a first ecological water tank to an Nth ecological water tank which are sequentially arrayed from outside to inside and from high to low; the first ecological water tank is communicated with the water intake through a water intake pipeline; adsorbing fillers are arranged in the first ecological water tank, and filler-water plant-microorganism purification systems are arranged in a second ecological water tank to the Nth ecological water tank; a water outlet is formed in the bottommost ecological water tank in the ladder-type ecological water tank and is communicated with the ecological pond. By combining in situ regulation with abnormal-site regulation of the river channel, the black and odorous water quality is efficiently purified.

The invention discloses a safety air bag which comprises an air pocket and two gas generators. The air pocket is divided into a first air chamber and a second air chamber through a separating wall. The two gas generators are respectively used for correspondingly aerating the first air chamber and the second air chamber. The air pocket of the safety air bag is divided into two air chambers, the two gas generators are arranged and respectively used for aerating the two air chambers, and consequently aeration efficiency of the air pocket can be improved and required time that the air pocket is completely unfolded is shortened. Moreover, different ignition timing and aeration pressure can be adopted for the two gas generators. The aeration direction of air can be guided through the air pocket. The aeration direction is changed from a direction facing a passenger to a transverse direction. The aeration time can be shortened, and simultaneously stiffness characteristics of different portions of the air bag can be more flexibly controlled and the head, the neck and the chest of the passenger can be effectively protected from being injured.

The invention relates to a microwave vibration bed drying method of medium moisture content granular grains. The microwave drying method provided by the invention applies the microwave technology to the drying process of grains by means of heat transfer enhancement by vibration, and dries the materials through steps of sorting and maintaining constant humidity, microwave drying of vibration bed (negative pressure exhaust), aeration-cooling and dehumidifying and the like. Dependence on distribution of the electromagnetic field is weakened by changing the position of materials in the microwave field, so as to avoid local overheating of materials caused by conventional microwave drying and improve the uniformity of absorbing the microwave, therebyimproving the quality of dried product. Compared with the existing drying method, the method provided by the invention has fast heating speed and short drying time, even heating, and high product quality and can well maintain vitamins in food and original color, aroma and taste. The invention thoroughly changes the effect of simply superposing hot air and microwave in spouted bed microwave drying process in prior art, really realizes energy conservation and high efficiency, reduces the cost and is convenient to put on production and automatical control.

The invention provides a sewage treatment reaction device in combination of the activated-sludge method and the biofilm method. The sewage treatment reaction device comprises a plurality of grid screens, biocarrier film filler, a connecting and fixing bolt, an organic glass disk with pores, and an aeration disk device. The sewage treatment reaction device is characterized in that firstly, an aeration device is mounted at the bottom part of a reactor, and the organic glass disk with the pores are mounted above the aeration device; the bottom part of the reactor is kept flat so as to ensure uniform aeration; secondly, the connecting and fixing bolt is fixed to the inner wall of the reactor through the grid screens, a 2 to 4cm clearance is reserved between the connecting and fixing bolt and the inner wall of the reactor and filled with the biocarrier film filler, and thus the activated sludge can be attached to the filler and grow to form a biofilm; an activated sludge reaction area is formed in the middle part; and the aeration device enables the sludge to be uniformly mixed. According to the sewage treatment reaction device, the grid screen filler introduced enables the activated-sludge method and the biofilm method to be combined, thus microorganism can be attached and grow well to form an aerobic area which can coexist with an anaerobic anoxic area, and as a result, the sludge treatment load can be greatly increased.

The invention discloses a sludge-containing wastewater treatment method which comprises the following steps: (1) firstly removing large suspended solids in wastewater; (2) lifting the wastewater into an aerated grit chamber, and removing sand, coal cinder and other particles with high specific gravity in the sewage; (3) enabling the sewage to enter a circular primary sedimentation tank to be pre-treated, and removing fine suspended organic matters; (4) enabling the water to enter an aeration tank, enabling the water to enter a circular secondary sedimentation tank to perform mud-water separation, returning partial activated sludge to the aeration tank, disinfecting the effluent in a chlorination contact tank, and discharging the water into a water body through a Parshall flume; (5) mixing the sludge in the primary sedimentation tank, the aeration tank and the secondary sedimentation tank, and enabling the sludge to enter a sludge thickener; and (6) returning the supernatant in the sludge thickener to the primary sedimentation tank to be treated again, treating the sludge containing organic matters by a sludge digestion tank, dewatering the digested sludge by a belt filter press, airing the sludge, and outward transporting the sludge. The treatment method disclosed by the invention has the beneficial effects that the sludge separation rate reaches 80% or higher, and the wastewater emission is higher than the emission standard.

The invention discloses an environment-friendly aeration device for chemical sewage treatment; the device comprises an aeration pipe and a conveying pipe, the upper end of the aeration pipe is fixedlyconnected with a fixed pipe, the upper end of the fixed pipe is connected with the conveying pipe through a rotating part, and the inner wall of the conveying pipe is fixedly connected with a first fixed rod; a second fixing rod is fixedly connected to the inner wall of the fixed pipe, a rotating rod is rotatably connected to the bottom of the first fixing rod, and the lower end of the rotating rod is fixedly connected with the upper end of the second fixing rod. The aeration device is reasonable in structure, aerators distributed in the cross shape are arranged, and the aerators distributedin the cross shape slowly rotate when gas is conveyed, so that comprehensive aeration treatment of an aeration tank can be realized, the number of the aerators is greatly reduced, meanwhile, the possibility that holes of the aerators are blocked is also reduced, and the aerators are also convenient to mount and dismount; The operation is simple, convenient and fast, the labor amount of workers isgreatly reduced, and convenience is brought to the workers.

The invention discloses a method and a device for synchronously and efficiently removing nitrogen and phosphorus from low C/N domestic sewage by using an internal carbon source through a single-stage sequencing batch reactor, and belongs to the field of domestic sewage treatment. After domestic sewage enters the integrated short-cut nitrification endogenous short-cut denitrification phosphorus removal coupled anaerobic ammonia oxidation SBR reactor, an organic carbon source in the domestic sewage is converted into an internal carbon source in bacteria in a front anaerobic section, and the phosphorus release process is also completed; in the low-oxygen aeration stage, the phosphorus-accumulating bacteria absorb a part of phosphate in the sewage, and the ammonia-oxidizing bacteria oxidize ammonia nitrogen in a part of raw water into nitrite; and finally, in the anoxic section, part of nitrite and part of residual ammonia nitrogen generated in the aerobic section are converted into nitrogen by anaerobic ammonia oxidizing bacteria, the generated nitrate nitrogen is reduced into nitrite by denitrifying phosphorus-accumulating bacteria and denitrifying glycogen-accumulating bacteria, and the denitrifying phosphorus-accumulating bacteria further absorb phosphate. According to the method, the carbon source in the raw water is fully utilized to realize synchronous nitrogen and phosphorus removal of the low C/N domestic sewage, the ineffective loss of the carbon source is reduced, the energy consumption is reduced, and the sludge yield is relatively low.

The invention discloses a micro-charge sewage treatment method, which comprises the following steps of: feeding the sewage into a water distributor through a water inlet, and implementing aeration treatment; conveying the sewage to the bottom layer of a reaction tank through the bottom of the water distributor, and forming an aerobic layer, an anoxic layer, an anaerobic layer and a natural breath layer for a biochemical reaction in the reaction tank from bottom to up by the sewage; conveying the sewage of the natural breath layer on the upper layer of the reaction tank to a micro-charge water groove by a flow impeller, wherein the sewage forms pool flow and participates in a reaction in the micro-charge groove; placing a metal medium and a neutral conductive connecting terminal in the sewage, electrically connecting the metal medium to the positive electrode of a direct current power supply and connecting the neutral conductive connecting terminal to the negative electrode of the direct current power supply, in order to form an electric loop; after the pool flow reaction in the micro-charge water groove, refluxing the sewage into the water distributor of the step 1; and treating the sewage from the step 1 to the step 5 in a circular manner, and discharging the sewage until the quality of the treated sewage meets the demand. Therefor, the problem of generation of a great amount of organic sludge is solved, and the secondary pollution is relieved.

The invention relates to a method for preparing a CuO@carbon cloth flexible electrode material through one step by regulating and controlling an interface cavitation effect. A carbon cloth matrix withdifferent gas infiltration states on the surface is obtained by regulating and controlling the infiltration method and time of carbon cloth in a polytetrafluoroethylene (PTFE) solution with a specific concentration; the CuO@carbon cloth electrode material with different interface structures is prepared by using a copper salt as raw material and ammonia water as a guiding agent, preparing a precursor solution, changing a carbon cloth fixing position and regulating and controlling aeration process conditions (aeration time, continuous or intermittent operation, simultaneous execution with ultrasonic application or not and gas flow rate). According to the method, the active control of the cavitation effect at the solid surface is realized by coordinatively regulating and controlling the gasinfiltration state of the solid surface and the aeration process conditions, and a CuO@carbon cloth electrode with controllable supporting capacity is obtained. The structural characteristics such asthe supporting capacity and distribution of CuO on the surface of the carbon cloth are changed, and the method has the advantages of being simple, high in efficiency, easy to carry out, controllable in CuO supporting capacity and the like and has great development potential.

The invention discloses a modular type movable microorganism expanding culture device. The modular type movable microorganism expanding culture device comprises an oil removal tank, a primary biological expanding culture tank, a secondary biological expanding culture tank, a third biological expanding culture tank, a high-efficiency sedimentation tank and a water outlet tank, wherein the oil removal tank is provided with an oil overflow opening; the primary biological expanding culture tank, the secondary biological expanding culture tank, and the third biological expanding culture tank are sequentially connected with the back part of the oil removal tank, and are of the same internal structure; the high-efficiency sedimentation tank is connected with the back part of the third biological expanding culture tank; the water outlet tank is connected with the back part of the high-efficiency sedimentation tank; a plurality of oilproof anti-blockage aeration heads are arranged at the bottom part of the primary biological expanding culture tank, and are mutually communicated; a filler bracket is arranged above the aeration heads; a dense type biological filler is filled into the filler bracket; an oil isolating baffle plate is arranged above the filler bracket; an adjustable water collecting weir and an oil draining inclined plate are arranged at the inner side of the high-efficiency sedimentation tank; the adjustable water collecting weir is arranged above the oil draining inclined plate.

The invention discloses a blueberry roxburgh rose fruit wine residue filtering device and a brewing method. The blueberry roxburgh rose fruit wine residue filtering device comprises a fermentation tank, an extrusion feeding pipe is arranged at the bottom of the fermentation tank, a coarse sieve plate is arranged on the lower portion of the extrusion feeding pipe, a centrifugal filtering cylinder is movably connected to the lower portion of the extrusion feeding pipe through a wine flow channel, and a transparent liquid aeration bin is arranged outside the centrifugal filtering cylinder; through the arrangement of the centrifugal filter cartridge and the transparent liquid aeration bin, wine liquid can be raised through inertia while the centrifugal filter cartridge filters the wine liquid, and the wine liquid is sputtered on the inner wall of the transparent liquid aeration bin; meanwhile, ultraviolet rays emitted by the ultraviolet lamp tube penetrate through the transparent liquid aeration bin to perform ultraviolet disinfection on the wine liquid splashed on the bin wall of the transparent liquid aeration bin, so that a small amount of bacteria leaked by filtration is further removed, and the wine liquid is thoroughly disinfected.

The invention discloses production equipment of improved Jianer heat-clearing and detoxifying liquid, which comprises a conveying belt used for conveying liquid bottles and a supporting plate, wherein a supporting frame is fixed to the upper end face of the conveying belt, a bearing plate is fixed to the upper end face of the supporting frame, and a filling head is installed at the lower end of the bearing plate; and the supporting plate is fixed on one side of the upper end surface of the bearing plate. According to the invention, residues doped in liquid medicine can be filtered through a net bag connected with the interior of a liquid tank in a sleeved mode, meanwhile, gas can be pumped into the liquid tank through a gas pump, bubbles are blown into the liquid medicine for aeration, impurity residues in the liquid medicine can be filtered out, the quality of the liquid medicine is improved, aeration prevents the situation that too much gas is doped in the liquid medicine to affect the quality guarantee period, and by turning over the net bag, the filtered residues can be quickly poured into the inner tank. Compared with the prior art, residues in liquid medicine can be filtered more efficiently, the residues are effectively utilized, mixed liquid in the liquid tank can be quantitatively discharged by pulling a baffle, and the mixed liquid medicine can be sampled.

The invention discloses a wastewater treatment device with a stirring structure. The wastewater treatment device comprises a base, a device body and a filter tank, wherein the device body is mounted at the top of the base, a mounting box is mounted in the center of the top of the device body, a flocculation basin is mounted in the device body, the filter tank is mounted in the device body, a disinfection tank is mounted in the device body, and a water storage tank is mounted at the top of the base. The flocculation basin is mounted in the device body, a motor is mounted at the top of the device body, and large particles in wastewater are filtered by the grating, so guarantee is provided for subsequent wastewater treatment; and the motor runs to drive a rotating rod to rotate, the rotating rod drives stirring blades to stir wastewater in the flocculation basin, and gas is dispersed and discharged into sewage through aeration heads, so organic matters are fully adsorbed and degraded, aeration effect is improved, blockage can be avoided through the arrangement of a sewage outlet, and pollution to the environment is reduced.

The invention discloses a separation device, a sewage treatment system and a sewage treatment method. The separation device comprises an outer side isolation structure and an inner side isolation structure, the outer side isolation structure forms an outer container, the top of the outer container is provided with a feeding port allowing a mixture at least containing water and activated sludge inan aeration tank to flow in, and the bottom of the outer container is provided with a sludge-water separation area and an activated sludge discharge port; the inner side isolation structure is locatedin the outer container and forms an inner container, and a channel located below the feeding port is formed by the interval between the inner container and the outer container; and a flow guide structure is arranged in the channel, and is used for enabling at least most of the mixture flowing into the channel from the feeding port to deviate from a vertical path to flow and then flow to a mud-water separation area. The flow guide structure can prolong the retention time of the mixture in the channel, so that the anaerobic reaction time is prolonged. The flowing speed of the mixture can be reduced, and the impact strength is reduced to a greater extent. And the supporting and reinforcing effects are achieved.

The small wastewater treatment equipment comprises a bearing pipe, a functional main shaft is arranged in the bearing pipe, functional supports are rotationally installed at the two ends of the functional main shaft through bearings, and the functional main shaft is fixed in the bearing pipe through the functional supports. Compared with the prior art, the small wastewater treatment equipment for high-concentration wastewater has the advantages that stable and effective synchronous driving is provided, and meanwhile, continuous and effective functional pre-aeration treatment is carried out in the continuous wastewater conveying process; meanwhile, synchronous and effective mixing and turbulent flow are performed on the wastewater in the action process of the functional turbulent flow component; therefore, the wastewater conveyed in real time is effectively disturbed, and the real-time aeration effect is effectively improved, so that the high-concentration wastewater conveyed in real time is subjected to economical, effective and environment-friendly pretreatment, the real-time treatment efficiency of the high-concentration wastewater is effectively improved, and efficient treatment and use of the high-concentration wastewater are guaranteed.

The invention relates to a method for improving the constructed wetland decontamination effect by changing hydraulic conditions. The method comprises specific steps as follows: a, modelling of a constructed wetland; b, water inflow; c, bottom-layer aeration. By means of the method for improving the constructed wetland decontamination effect by changing the hydraulic conditions, the constructed wetland decontamination effect is effectively improved. According to the method, the gas-water ratio is controlled to be 6:1 through bottom-layer aeration, hydraulic loading is controlled, and the best decontamination effect is realized.

The invention discloses a closed negative pressure aerobic composting system and composting method, and relates to the composting technology, the system comprises a composting reactor thermal insulating layer, a composting reactor inner wall, a reactor top cover outer wall, a water absorption thermal insulating layer, a perforated heating plate, a circulating exhaust pipe, a tail gas discharge pipe, a tail gas return pipe, an aeration pipe and an exhaust fan; and by means of the water absorption thermal insulating layer of the reactor, water in gas can be adsorbed, meanwhile, tail gas can be recycled based on the circulating exhaust pipe, heat of the gas is reserved in the reactor, odor of the tail gas exhausted from the reactor can be reduced through circulating adsorption, and the ammonia nitrogen gas is reserved in compost, so that nutrition of fertilizer can be increased.

The invention provides a soil treatment process for heavy metal and pesticide composite pollution. By a compounding agglutinant, the combination of salt and heavy metal is opened; by using chelate cure principles, replacement with heavy metals is performed to form a chelate ring reaction, by deep ozone aeration, organic nitrogen is converted into inorganic nitrogen through physical modes such as stirring and aeration; stripping and removing part of ammonia nitrogen are achieved; macromolecular organic matters are broken into micromolecular organic matters or inorganic matters for salvaging ordecomposing, the dephosphorization effect is enhanced by using ferric sulfate, a large amount of oxidizing substances are generated in the treatment process by matching ozone with the compound agglutinant, thereby finally changing the sediment properties of (eliminating black and odorous substances such as iron sulfide, manganese sulfide, mercaptan, thioether and the like, adjusting calcium and magnesium ions, and eliminating the problem of bottom mud hardening) by using the ORP (oxidation-reduction potential) improvement principle; and the water permeability and air permeability of sediment are improved, and remediation of the contaminated soil is completed.

The invention belongs to the technical field of wastewater treatment, and discloses a passive biological treatment system for acid mine wastewater, wherein the passive biological treatment system for the acid mine wastewater comprises a biological treatment module, a filter screen filtration module, a filter screen replacement mechanism and a driving mechanism; the filter screen filtration module is arranged at the water inlet end of the biological treatment module, the filter screen replacement mechanism is connected with the filter screen filtration module, and the driving mechanism is arranged on the right side of the filter screen replacement mechanism and communicates with the filter screen replacement mechanism; and the biological treatment module comprises a treatment tank, and an aeration tank, a sedimentation tank and a neutralization reaction tank are arranged in the treatment tank. The acid mine wastewater is passively repaired through the biological treatment module and the filter screen filtration module, the acid mine wastewater is neutralized through the neutralization reaction tank in the biological treatment module, and the acidity of the acid mine wastewater is neutralized by using a mixed material of limestone, magnesium hydroxide and organic matter as a natural neutralizer; and resources are reasonably utilized, and economy and environmental protection are achieved.

The present invention provides a sewage aeration treatment tower comprising a tower body (10), the top of the tower body (10) is connected with a sewage inlet pipe (11), the bottom of the tower body (10) is connected with an air discharge pipe (12) and an air intake pipe (13), the sewage aeration treatment tower further comprises an accumulation means (20) which is disposed at the middle of the tower body (10), both ends of the accumulation means (20) are opening structures the accumulation means (20) extends in the manner of gradually shrinking from bottom to top; the sewage aeration treatment tower further comprises a mixer (30), and the mixer (30) is arranged in the accumulation means (20). The sewage aeration treatment tower effectively solves the uneven mixing and insufficient contact problems between sewage and a gas in the prior art.