44results about How to "Increase the aeration area" patented technology

The invention discloses an auto-rotating perforated aerator pipe. The auto-rotating perforated aerator pipe comprises a perforated aerator pipe and is characterized in that the middle of the perforated aerator pipe is rotationally connected with an aerator air inlet pipe through a bearing; with the position, where the bearing is arranged, in the middle of the perforated aerator pipe as a demarcation point, a first row of aeration holes are formed in a first end direction of the perforated aerator pipe, a second row of aeration holes are correspondingly formed in a second end direction of the perforated aerator pipe, the perforated aerator pipe is pushed by reactive force of gas produced during aeration of the aeration holes, and auto-rotation is formed. The device is mainly applied to an aeration process for water treatment, the perforated aerator pipe is pushed to rotate automatically by the reactive force of the gas produced during aeration, aeration area is increased, and the devicefurther has a stirring function.

The invention relates to a non-power rotation aeration disc for sewage treatment. The non-power rotation aeration disc comprises a ventilation pipe and aeration disc assemblies installed on the ventilation pipe; each aeration disc assembly comprises a hollow transition pipe, a hollow rotation shaft and aeration blades, each hollow rotation shaft is matched with the corresponding hollow transitionpipe and communicated with an inner hole of the ventilation pipe and has rotation action, and the aeration blades are connected to the periphery of each hollow rotation shaft. According to the non-power rotation aeration disc for sewage treatment, the hollow transition pipes are adopted for being connected with the ventilation pipe, the hollow rotation shafts are adopted for being cooperatively and rotatably connected with the hollow transition pipes, the aeration blades are connected to the hollow rotation shafts, through gas outlet of the side faces and top faces of the aeration blades, theaeration disc can rotate without power, gas can be better dispersed, the aeration area is increased, and after rotation, the situation can be avoided that since impurities such as sludge are accumulated, micropores are blocked; in addition, the aeration blades rotate in water so that the gas can be better dispersed in the water, the oxygen content of the water is higher, through rotation of the blades, convenience is provided for evenly mixing active sludge in the sewage treatment process, and sewage treatment is well achieved.

The invention discloses an aeration device with low gas pressure loss, which comprises a gas-feeding pipe and a gas-liquid mixing pipe; the gas-feeding pipe is inserted into the lower end part of the gas-liquid mixing pipe; a guiding resistance plate and a rivet cap-shaped protrusion are disposed on the inner wall of the gas-liquid mixing pipe; the rivet cap-shaped protrusion are disposed above the guiding resistance plate. The number of the guiding resistance plate is two, and the guiding resistance plates are intercrossingly distributed. The guiding resistance plate is an crescent arc. The rivet cap-shaped protrusion comprises two types, a big rivet cap-shaped protrusion and a small rivet cap-shaped protrusion. The invention has a long service life, and is not easy to obstruct, and the aeration area is larger than that of a common aeration device by 5-7 times.

The invention relates to a papermaking waste liquid treating device. The device comprises a rack (100), an aerating mechanism (200), a rotating mechanism (300), a lifting mechanism (400) and a filtering mechanism (500), wherein the aerating mechanism (200) comprises an aerating box (210) which is provided with an aerating chamber (212), a liquid feeding pipe (220) which is connected to the aerating box (210) and communicated with the aerating chamber (212), a liquid draining pipe (250) which is connected between the aerating box (210) and the filtering mechanism (500) and communicated with theaerating chamber (212), an aerating pipe structure which is arranged in the aerating chamber (212) and is protruded from the aerating box (210), and an air suction structure which is communicated with the aerating pipe structure; the rotating mechanism (300) is arranged on the top part of the aerating box (210) and is connected to the aerating pipe structure; the lifting mechanism (400) is arranged on the rack (100) and is connected to the rotating mechanism (300); the lifting mechanism (400) is used for driving the aerating pipe structure to move up and down. According to the scheme, the device is capable of increasing the aerating area of the aerating pipe in water, and the wastewater treating effect is improved.

The invention discloses a novel water treatment aeration head, which comprises a central air inlet pipe, wherein connection pipes are fixed at two ends of the central air inlet pipe; horizontal adjusters are arranged at the bottoms of the connection pipes; a mounting head is arranged in the middle of the central air inlet pipe; one end of the mounting head is connected with a ventilating pipe; thetop end of the ventilating pipe is connected with a sawtooth-shaped aeration head main body; one end of the sawtooth-shaped aeration head main body is provided with an aeration barrel; a through holeis formed in the inner wall of the aeration barrel; a flow guide plate is correspondingly arranged on the outer side of the through hole; the flow guide plate is fixed between a base and the bottom end of the aeration barrel; an aeration cavity is formed inside the base. According to the novel water treatment aeration head disclosed by the invention, by the arrangement of a sawtooth-shaped air dispersion plate and a foamed sponge layer, air passes through the foamed sponge layer and the sawtooth-shaped air dispersion plate to enlarge a contact area between air bubbles and sewage and enhance the aeration effect; the sawtooth-shaped air dispersion plate is clamped in an annular clamping slot and is fastened by a wabbler screw, so that the sawtooth-shaped air dispersion plate can be independently separated from the base and cleaned.

The invention discloses an urban sewage treatment device with high treatment efficiency. The urban sewage treatment device comprises a plurality of aeration plates arranged at intervals in the left-and-right direction, and a plurality of aeration through holes are formed in the tops of the aeration plates and the bottoms of the aeration plates; the urban sewage treatment device with the high treatment efficiency further comprises an aeration assembly communicating with a plurality of aeration plates. The aeration assembly comprises an aeration air inlet pipe communicated with the side wall ofthe aeration plate, the aeration assembly further comprises a horizontal transverse pipe communicated with the aeration air inlet pipe, and the horizontal transverse pipe is communicated with an aerator; the device further comprises a suspension assembly. The suspension assembly comprises connecting rods which are fixedly connected to the front side wall and the rear side wall of the aeration plates; a plurality of arc-shaped shaking rods are fixedly connected between the connecting rods and arranged at intervals in the left-right direction. The aeration direction of the aeration holes is automatically changed through the components of the device so that the effect of increasing the aeration area is achieved, and large-area aeration in sewage is achieved.

The invention relates to a disc-type aerator, which includes, from top to bottom successively, a spiral press cover, a membrane sheet, a flow guide supporting board, and a base. A hole-valve-integrated check valve is disposed between the flow guide supporting board and the base. The membrane sheet includes a first membrane sheet and a second membrane sheet thereon. A plurality of first bar-shaped micro-pores is formed in the first membrane sheet and a plurality of second bar-shaped micro-pores is formed in the second membrane sheet. The first bar-shaped micro-pores and the second bar-shaped micro-pores are disposed in an up-and-down correspondingly staggered manner with central points of all the micro-pores in the same line. An inverted saddle-shaped wedge board is disposed under the base. The disc-type aerator is simple in structure, is convenient to assemble or disassemble, is not liable to block, is good in sealing, can effectively prevent backflow of water, is large in effective aeration area, is significantly improved in anti-fatigue strength, reduces aeration resistance and is prolonged in service life.

The invention discloses an artificial wetland system of a sponge city. The artificial wetland system comprises a reservoir, a rapid filter pool, a surface flow wetland, an MBR (membrane bioreactor) treatment tank and a downstream subsurface wetland, wherein water in the reservoir flows to the rapid filter pool through a pipe; during normal running, water in the rapid filter pool flows to the surface flow wetland through the pipe, water in the surface flow wetland flows to the downstream subsurface wetland through the pipe, and water in the downstream subsurface wetland is drained to a sponge body water system through a drain pipe; during abnormal running or when maintenance is required, the water in the rapid filter pool flows to the MBR treatment tank through the pipe, and water in the MBR treatment tank flows to the sponge body water system through the drain pipe. The artificial wetland system has the following advantages: treatment effect is good, and growing plants are not prone todeath and are easy to maintain; by arranging the MBR treatment tank, during abnormal running or when maintenance is required, purification can be performed by the MBR treatment tank, and shutdown ofthe water system or draining of untreated sewage is avoided.

The invention discloses a float-type aeration stirring machine for sewage treatment. The float-type aeration stirring machine for the sewage treatment comprises multiple installing plates distributedin central symmetry. The inner side face of each installing plate is fixedly provided with a stirring motor, and the outer side face of each installing plate is fixedly provided with a stirring cylinder. The stirring cylinder is internally provided with a stirring shaft of which one end is fixedly connected with an output shaft of the stirring motor in a rolling mode. The outer side face of the stirring cylinder is provided with an air inlet communicated with the interior of the stirring cylinder. The outer surface of the stirring motor is fixedly provided with an air pump. The air pump is communicated with the air inlet through an air pipe. The beneficial effect is that the float-type aeration stirring machine for the sewage treatment can be freely moved without installing a water flow propeller, and the moving speed is adjustable, the aeration area is large, the aeration speed is rapid, the efficiency is high, and the float-type aeration stirring machine is particularly suitable foran aeration tank in larger area.

The invention discloses a high-efficiency biological fluidized bed reactor. The high-efficiency biological fluidized bed reactor comprises a reactor main body, activated sludge cyclone separator is arranged in the reactor main body, a first anoxic zone is arranged in the activated sludge cyclone separator, a second anoxic zone is arranged under the bottom of the reactor main body, an aerobic zoneis arranged above the reactor main body, a first water inlet is arranged at one side of the bottom of the second anoxic zone, a first sludge discharge port is arranged at the other side of the bottomof the second anoxic zone, an aeration main tube is arranged at one side of the bottom of the aerobic zone, and a second water inlet is arranged above the aeration main tube; and a tangential inlet and a tapered liquid receiving disc are arranged at one side of the activated sludge cyclone separator, a second mud discharge port is arranged above the edge of the tapered liquid receiving disc, the inner wall ring of the upper part of an upper column body is provided with an overflow weir, and one side of the overflow weir is communicated with the water outlet. The high-efficiency biological fluidized bed reactor has the advantages of uniformity in material distribution, good liquid-solid mass transfer effect, high integration, small occupied area, low energy loss, strong resistance to organic load impact, short hydraulic retention time and high treatment efficiency.

The invention provides a composite strain biological fluidized bed membrane reactor, which comprises a plurality of reaction tanks, a biological membrane carrier and an aeration mechanism, and is characterized in that the biological membrane carrier is provided with composite strains, and the composite strains comprise composite oil removing bacteria, composite phosphorus accumulating bacteria, composite denitrifying bacteria and composite desulfurizing bacteria. Preferably, the composite oil removing bacteria comprise bacillus, saccharomycetes and micrococcus, the composite phosphorusaccumulating bacteria comprise aeromonas, pseudomonas and acinetobacter, the composite denitrifying bacteria comprise nitrosomonas and nitrobacter, and the composite desulfurizing bacteria comprise thiobacillus, pseudomonas and acinetobacter. By the adoption of the above scheme, petroleum, gasoline hydrocarbons, phosphorus-containing substances, ammonia nitrogen, nitrites and sulfides in water can be wellremoved, rapid establishment of nitrifying bacteria, phosphorusaccumulating bacteria and desulfurization bacteria in a sewage system is promoted, and the effluent quality is improved.

The invention provides a square plate type air radiation device and an installation mode. The square plate type air radiation device comprises a square frame body, an air connecting head and a diaphragm, wherein the air connecting head is arranged at the outer side or the inside of the square frame body; the diaphragm is positioned in the frame body; the diaphragm covers the space inside the whole frame body; the diaphragm is an EPDM (ethylene propylene diene monomer) diaphragm with a PTFE (polytetrafluoroethylene) coating; the installation mode of the square plate type air radiation device is the connection through a belt type fastener; the belt type fastener is of a symmetrical structure. The square plate type air radiation device disclosed by the invention has the advantages that the aeration area is larger; the oxygen utilization rate is higher; meanwhile, the EPDM diaphragm with the PTFE coating is used; the characteristics of good toughness and uniform air outlet of the EPDM are remained; meanwhile, the direct contact between the sewage and the EPDM is effectively isolated through the PTFE coating; the acid resistance and alkali resistance are high; the practicability on the sewage is higher; the combined installation mode is more flexible.

The invention discloses an aeration system for a biological contact oxidation pond. The aeration system is characterized in that each aeration branch pipe is at least connected with one group of rotary aeration devices; each rotary aeration device comprises a rotary T joint; an opening at a middle end of the rotary T joint faces upwards; the rotary T joint is connected with each aeration branch pipe through a bearing; one end of the rotary T joint is connected with a first perforated aeration pipe, and the other end of the rotary T joint is connected with a second perforated aeration pipe; openings of the first perforated aeration pipe and the second perforated aeration pipe face two sides respectively, so that perforated aeration pipe can be driven by gas counter-acting force generated bythe rotary aeration device during aeration to form automatic rotation. The aeration system is mainly applied to a biological pretreatment process in water treatment; aeration pipes are distributed onthe bottom of the biological contact oxidation pond, the aeration pipes are driven to rotate by the gas counter-acting force generated during single-side aeration; an aeration area is enlarged, effective fluidizationsulfurization of a biological stuffing is ensured; sludge is prevented from depositing on the bottom of the biological contact oxidation pond.

The invention provides a fluidized bed bio-membrane reactor based on composite desulfurized bacteria, which comprises a reaction tank, a bio-membrane carrier and an aeration mechanism, the composite desulfurized bacteria are arranged on the bio-membrane carrier, and the composite desulfurized bacteria comprise thiobacillus, pseudomonas and acinetobacter. By adopting the above scheme, a good removal effect on sulfides in water is achieved, rapid establishment of desulfurization flora of a sewage system is promoted, and the effluent quality is improved. The aeration mechanism comprises a movingdevice and an aeration fishing device; the aeration fishing device is connected with the moving device; the aeration fishing device comprises a first motor, a hollow rotating shaft and an aeration impeller; the first motor is a positive and negative rotation motor;the first motor is in transmission connection with the hollow rotating shaft, a cavity is formed in the aeration impeller, the cavity is communicated with the hollow of the hollow rotating shaft, the aeration impeller comprises a side body and a bag body, the side end of the side body is connected with the hollow rotating shaft, thebottom end of the side body is connected with the bag body, and aeration holes are formed in the bag body.

The invention discloses an aerator and an aerated ecological floating island with the aerator. The aerator comprises a gas-liquid mixing pump, a mixing tank and a microporous aerator, which are all arranged in an instrument compartment, wherein the pipe suction inlet of the gas-liquid mixing pump is used to connect the water outlet of an inlet pipe; the pipe discharge outlet of the gas-liquid mixing pump is connected with the water inlet of the mixing tank; the water outlet of the mixing tank is connected with an aeration pipe of microporous aerator; the aeration pipe is fixedly arranged at the bottom of the instrument compartment, extending through the side wall of the instrument compartment to the outside of the instrument compartment; the pipe wall of the aeration pipe is covered with alayer of rubber sheath; and a plurality of micropores are formed in the surface of the rubber sheath. The aerator can be prevented from dropping out upon a violent impact by arranging the microporousaerator in the instrument compartment. The aeration pipe wall is covered with a layer of rubber sheath, so that the clogging of micropores can be prevented while increasing the aeration area. The problems of low safety and modest aeration effect of the traditional aerator are effectively solved finally.

The invention provides a gas supply oxygenation micro-oxidation device of an oilfield water injection system. Relates to the technical field of aeration. A top opening of the reaction box is connected with a ventilation pipe, and a fan is installed in the ventilation pipe and connected with a stirring shaft. The aeration device has the following beneficial effects that the aeration plate aerates sewage on the sewage overflowing area, the aeration area is increased, no dead angle is left in sewage aeration, the sewage subjected to sufficient aeration returns upwards again to flow into the space where the stirring paddle is located, and the stirring paddle utilizes air flow discharged upwards from the ventilation pipe as power, so that the aeration effect is improved. Large bubbles gathered in flowing sewage are cut and crushed, small bubbles formed after crushing and the sewage form a micro-oxidation reaction, the aeration efficiency is further improved, the blades are driven to rotate through wind power, the stirring shaft is driven to rotate, and the stirring strength is improved through natural wind power.

The invention relates to the technical field of pollutant biodegradation, and discloses a pollutant biodegradation reaction device which comprises a device box body, and an aeration mechanism and a biological separation mechanism are arranged in the device box body; the aeration mechanism comprises a first annular pipe, a second annular pipe, a first water pipe, a second water pipe, a first air pump, a third water pipe, a fourth water pipe, a second air pump, a first spray pipe, a second spray pipe, a first spray head and a second spray head. The two annular pipes are arranged in the device box body, the spray heads are arranged on the annular pipes, annular aeration can be carried out on water from the upper end and the lower end at the same time, an annular aeration mechanism is utilized, the aeration area in the water is increased, the aeration efficiency and the aeration effect in the water are improved, and the separation nets are arranged in the annular pipes, impurities in sewage can be prevented from entering the water center position through the separation net, and when the two annular pipes are flushed, the surfaces of the separation nets in the opposite annular pipes can be cleaned and flushed mutually.

The invention belongs to the technical field of sewage treatment, and particularly relates to a sewage treatment and reuse system, comprising a pretreatment system and a membrane deep desalination system. The pretreatment system comprises a regulation tank, a clarification tank, an ultrafiltration device and a sludge treatment device. The membrane deep desalination system includes a reverse osmosis treatment device. The regulation tank is used for receiving and regulating sewage. The clarification tank is communicated with the regulation tank, the sludge treatment device, and the ultrafiltration device separately. The ultrafiltration device is communicated with the reverse osmosis treatment device. The reverse osmosis treatment device is used for deep treatment of sewage and salt removingto allow the sewage to reach a water production reuse standard, thus reducing the emission load of concentrated water. The sewage treatment and reuse system can minimize the emission load of sewage and sludge, realize the cascade utilization of resources, and has the characteristics of a short process, a simple process, a mature and reliable single process, strong impact resistance, stable operation and good sewage treatment effect, and can generate great economic and environmental benefits.

The invention discloses an acrylonitrile wastewater treatment method, and belongs to the technical field of wastewater treatment. The method comprises the following steps of: wastewater in a water collecting tank enters a quick mixing area under the action of a lift pump; a first dosing tank is used for adding a flocculating agent into the quick mixing area; the flocculating agent and the wastewater are quickly mixed in a short time and then enter a slow mixing area through water holes; a coagulant aid is added into the slow mixing area by the second dosing tank; the coagulant aid and sewage in the slow mixing area are subjected to a sufficient flocculation reaction and then flow into a settling area to be subjected to settling separation; a separated supernatant enters a membrane pool; microorganisms in the membrane pool are used for biodegrading organic pollutants in the wastewater; under the pumping action of a water outlet pump, the wastewater in the membrane pool is filtered by each filtering membrane assembly, a clear liquid generated by filtering is converged into a water collecting plate from the inner cavity of the membrane frame and then flows out through the water outletpipe, an aeration device continuously blows air bubbles into the membrane pool, and a suspended filler in the membrane pool is fluidized and dispersed in the membrane pool. According to the invention, the effluent quality of acrylonitrile wastewater can be improved, and membrane pollution can be alleviated.

The invention discloses a high-capacity efficient integrated air oxygenation platform, and belongs to the field of aeration equipment. The platform comprises a fan, an aeration pipeline system connected with the fan, a platform foundation and a platform support. The aeration head, the aeration pipeline system, the platform foundation and the platform support are of an integrated structure, and the integrated structure is integrally located underwater so that gas can make direct contact with a water body to achieve aeration and oxygenation. According to the invention, a fan-micropore aeration mode is combined for oxygenation, the oxygenation efficiency can be greatly improved, a single fan is combined with a plurality of aeration heads, the phenomenon of air concentration caused by the action of a plurality of fans is avoided, the air is dispersed in a very wide area, and the aeration area is increased; and the deep-water aeration can be realized, the aeration depth can reach 2-6 meters, the oxygen dissolution rate is improved by 2-3 times, and the problem of deep-water oxygen deficit of rivers and lakes can be solved.

The invention discloses a high-efficiency divergent type microporous aerator. The high-efficiency divergent type microporous aerator comprises a supporting pipe and a diaphragm sleeving the surface of the supporting pipe, wherein aerating holes are uniformly distributed on the supporting pipe; and the thickness of the diaphragm coated on the upper surface of the supporting pipe is larger than that of the diaphragm coated on the lower surface of the supporting pipe. The high-efficiency divergent type microporous aerator disclosed by the invention has the advantages that the thickness of the diaphragm is gradually changed, the resistance is uniform, the ventilation volume is large, the service life is long, the aeration area is large and the bottom of a pond is not easy to deposit mud.

The invention relates to the technical field of sewage biochemical treatment, in particular to a blanket type aeration device which comprises air inlet distributors, a distributor support, an aeration pipe and an aeration pipe support, one end of each air inlet distributor is connected with an air inlet device, the other end of each air inlet distributor is provided with an air outlet, and the multiple air inlet distributors are installed on one side of the air inlet distributor support side by side. One end of each aeration pipe is fixedly connected with the air outlet, the other end of each aeration pipe is sealed, the aeration pipes are arranged on the aeration pipe support side by side in a penetrating mode, and a plurality of evenly-arranged aeration holes are formed in the aeration pipes. According to the invention, concentrated and dense aeration can be generated in a water body, so that the water body is subjected to all-directional and dead-angle-free aeration, the oxygen mass transfer efficiency is improved, the aeration blind area is reduced, and the water body mixing effect is comprehensively and effectively improved, so that the floc state of microorganisms in the water body is improved.

The invention discloses an aeration membrane device, which comprises a water pipe set, wherein a gas inlet pipe is arranged on the water pipe set, a plurality of fixing clamps are further arranged onthe water pipe set, vertical communicating pipes are further arranged on the water pipe set at equal intervals, spray heads are arranged at the top ends of the vertical communicating pipes, spray holes are formed in the spray heads at equal density, the heights of the spray heads relative to the vertical communicating pipes are adjustable, a sewage reflux preventing structure is further arranged in the spray heads and the vertical communicating pipes, and the upper surface of the spray head is a spherical surface. According to the invention, the spray head is a spherical surface, the aerationrange of the single spray head is large, the height of the spray head is adjustable, and the spray heads can be uniformly arranged on each sewage layer, so that the upper and lower aeration areas in the whole sewage uniformly and sufficiently contact air, the sewage reflux preventing structure can prevent the sewage from refluxing into the pipeline, the acid and alkali substances in the sewage canbe prevented from corroding the pipeline, microorganisms can be prevented from breeding on the inner wall of the pipeline, and the service life of the pipeline is greatly prolonged.