176results about How to "Evenly aerated" patented technology

The invention provides a modularized pulse aeration apparatus. After a small flow of airflow is continuously input, and a pulse aeration effect generating large bubbles by instantly uniformly releasing a large flow of airflow can be realized, so the aeration cleaning effect of a membrane is improved, and the energy consumption of equipment is reduced. The apparatus can avoid aeration failure caused by obstruction. The invention also provides a standard aeration system module. The standard aeration system module comprises one or more modularized pulse aeration apparatuses, and the release of airflows with different frequencies and different flows by any positions and number of the modularized pulse aeration apparatuses can be realized in the standard aeration system module according to practical use demands to reach different aeration intensities in order to improve the aeration cleaning effect of the membrane and reduce the energy consumption of the equipment. The invention further provides a filtration system. The filtration system can be an external shell membrane filtration system or a submerged membrane filtration system, and comprises one or more standard aeration system modules.

The invention discloses a whole-process autotrophic nitrogen removal method. The method mainly comprises the following steps: 1) inoculating anammox sludge into a reactor; 2) introducing nitrogen into the wastewater so as to reduce the DO (Dissolved Oxygen) concentration of wastewater to 0mg / L (milligram per liter) by filling nitrogen into the wastewater, and regulating the pH value of a water inflow barrel to reach 7 to 8; 3) gradually increasing the water inflow load by increasing the total nitrogen concentration of the wastewater and reducing the hydraulic retention time; 4) gradually increasing the DO concentration in the wastewater after a reaction is stable, thereby culturing bacteria capable of consuming oxygen in the reactor; 5) forming the oxygen-containing bacteria on the outer layer of the anammox sludge after performing the culturing acclimatization for half a month; 6) inoculating nitrosobacteria into the reactor and properly lowering the nitrate nitrogen concentration in the inflowing water while performing aeration to the reactor and controlling aeration quantity at the same time, thereby partially converting ammonia nitrogen entering the reactor into the nitrate nitrogen, i.e., the concentration (mg / L) ratio of the ammonia nitrogen to the nitrate nitrogen is 1:1 or so; regulating the pH value in the reactor to reach 7.5 to 7.7 by using a pH controller; 7) gradually increasing the water inflow load, thereby removing the nitrogen stably. The invention further discloses a device for realizing the whole-process autotrophic nitrogen removal method.

The invention relates to an aerating and oxygenating device. In order to effectively solve the problems that the aerating and oxygenating device is relatively small in oxygenating range, high in energy consumption, low in power efficiency and non-uniform in aeration, the invention adopts the technical scheme as follows: the aerating and oxygenating device comprises a motor, a speed reducer, a centrifugal impeller and a floating body, wherein the motor is connected with the speed reducer; a supporting body inclined downwards is installed on the side surface of the speed reducer; the motor and the speed reducer are suspended on a water surface through the floating body installed at the lower part of the supporting body; the speed reducer is connected with an upper annular disc above the water surface through a fixing component at the lower part; the upper annular disc is connected with a lower annular disc below the water surface through a connecting rod at the lower part; the centrifugal impeller between the upper annular disc and the lower annular disc is installed at the lower end part of a rotating shaft at the lower part of the speed reducer; a plurality of blades are uniformly distributed at the lower part of the upper annular disc in the external circumferential direction; and a flow guiding barrel is arranged in the center of the lower part of the lower annular disc. The aerating and oxygenating device is novel, unique, simple and reasonable in structure, low in cost, uniform in aeration, low in energy consumption, high in power efficiency, convenient to install, maintain, repair and replace and good in using effect.

The invention discloses aerated biological activated carbon filters and a method of applying the same to purify feed water. Each up-flow aerated biological activated carbon filter comprises a water inlet tube, water and air distribution troughs, water and air distribution zones, a filter plate, a single-hole membrane aerated filter head, a coarse sand cushion and dual-layer granular activated carbon filters. The aeration system of the single-hole membrane aerated filter head is adopted for filter aeration. The mode of washing combining air and water is adopted for washing the filter. During washing, a perforated air distribution tube arranged in the water and air distribution zone at the bottom of the filter is adopted to blast air to the filter and aerate the filter, so that the filter washing water is drained from a blow-down tube at the bottom of the filter from top to bottom. The water flowing out of a sedimentation tank is distributed by a water distribution channel, then flows through the coarse sand cushion and the dual-layer granular activated carbon filters of the filter from bottom to top and is intercepted, filtered, absorbed and biologically degraded by the activated carbon filters and the micro-organisms attached to the activated carbon filters to remove the contaminants in the water. The filters have high purification efficiency of contaminants, good washing effect and low cost, save energy and are suitable for biological feed water treatment of micro-polluted water.

The invention discloses an efficient oxygenation system for a confined space. The system comprises an aeration tank, a plurality of flow guiding plates are arranged in the aeration tank in the water flow direction and divide the aeration tank into a plurality of areas, different quantities of aerators are arranged in the areas in a concentrated mode according to the oxygen dissolving requirements of the areas, the aerators are rotary-cutting and mixed-flowing aeration devices, a flow guiding cutter is arranged over a water outlet of each rotary-cutting and mixed-flowing aeration device and arranged outside a corresponding central air inlet pipe, and a buffer distance is formed between each flow guiding cutter and the corresponding water outlet; each flow guiding cutter is an inverted cone with the conicity of 60 degrees to 65 degrees. According to the efficient oxygenation system for the confined space, the problems that in actual engineering, aeration in an aerobic tank is not uniform, the total oxygen dissolving efficiency is low, sludge in the tank is deposited, the aerators are prone to fall off and be blocked and aged, the oxygen utilization efficiency is rapidly lowered, management and maintenance are inconvenient, and the cost is high are solved.

The invention discloses an aerating device for treating domestic sewage. The aerating device comprises a tank, a fixing rack, a motor, aerating blades, an aerating plate, a water inlet pipe and a draining pipe and is characterized in that the fixing rack is fixedly connected to the top of the tank, a telescoping mechanism is fixedly connected to the lower surface of the fixing rack, a fixing plateis fixedly connected to the lower end of the telescoping mechanism, the motor is fixedly connected to the lower surface of the fixing plate, a left rotary shaft is fixedly connected to the shaft extending end of the motor, a right rotary shaft is arranged on the right of the left rotary shaft, the aerating blades are fixedly connected to the left rotary shaft and the right rotary shaft, and the aerating plate is arranged at the bottom of the tank. The aerating device has the advantages that an air blower is utilized to inject air into the aerating plate to aerate bottom sewage, the air is discharged through air nozzles, the aerating plate rotates under the counter-acting force of the air to achieve uniform aeration, the aerating blades are utilized to aerate surface sewage during aeration, and stirring rods are utilized to stir the sewage and break air bubbles to allow the sewage and the air bubbles are sufficiently mixed so as to increase an aerating effect.

The invention discloses a high efficiency aeration tank for treating domestic sewage. The high efficiency aeration tank comprises a tank body, a fixed rack, a motor, an air blower, a water inlet pipeand a drain pipe, wherein the top of the tank body is fixedly connected with the fixed rack; the motor is fixedly connected with the outer wall of the right side of the fixed rack; a shaft extension end of the motor is fixedly connected with a driving shaft, a right half bevel gear and a right half bevel gear sleeve the middle part of the driving shaft, and a worm is arranged under the driving shaft; rotating shafts are respectively arranged at the right side and the left side of the worm; each rotating shaft is fixedly connected with a plurality of aeration plates; a gear sleeves the lower end of the worm; two aeration sliding blocks are respectively arranged at the left side and the right side of the gear. Aeration blades are used for stirring surface layer sewage so as to raise the sewage, thus enlarging the contact area between the sewage and the air; the surface layer sewage is subjected to aeration, so that the aeration effect is improved; therefore, stirring plates are used forstirring the sewage, so that the aeration effect is improved. The aeration plates are used for stirring the sewage while exhausting to the sewage, so that the bottom sewage is upturned, and air bubbles are more evenly mixed into the sewage.

A device for distributing gases in liquids, comprising: an aerating element made out of plastic, with an upper side and a lower side joined with the upper side, a support element, and a gas inlet, wherein the aerating element comprises at least one cavity that can be filled with gas through the gas inlet, wherein at least the area of the upper side of the aerating element comprises holes, perforations or the like as the gas outlet, and wherein the support element is situated in the cavity of the aerating element. In order to enable a uniform and reliable aeration of larger water surfaces in a cost-effective manner, it is proposed that the width of the support element be greater than its height.

The invention discloses an automatic elevating apparatus and method of an aeration tube of a floating aerator, and belongs to the technical fields of water restoration and water treatment. The apparatus comprises a slide rail fixed on a floating aerator floating body, slidable mechanical arms are arranged at the top feet of the slide rail, the bottom foot of every mechanical arm is provided with a slidable aeration branch tube, a rope of a pulley group mechanism pulls a large fixed pulley fixed above the mechanical arm slide rail, the large fixed pulley coaxially drives a small fixed pulley having a certain ratio relative to the large fixed pulley to rotate, and the small fixed pulley controls the top feet of the X-shaped mechanical arms to move apart or close up, so a case that a rising or descending distance of the aeration branch tubes driven by the X-shaped mechanical arms is almost same to a distance of a weight moving closer to the water level is realized, and a gas conveying flexible tube is synchronously retracted or released by a gas conveying tube telescoping mechanism. The apparatus and the method allow the aeration tubes to be positioned in specific positions above the riverbed, reduce the disturbance to riverbed sediments and improve the oxygen charging efficiency.

The invention discloses an aeration tank for municipal sewage treatment. The aeration tank comprises a sewage pool, motor boxes are disposed on both sides inside the sewage pool, motors are disposed at the bottom of the sewage pool inside the motor boxes, the output shafts of the motors are connected to screw rods, support rods located on the inner wall of the sewage pool are disposed at one endsof the screw rods, the screw rods are provided with sliding blocks cooperating with the screw rods, sliding chutes cooperating with the sliding blocks are disposed on one sides of the sliding blocks inside the sewage pool, the other sides of the sliding blocks are equipped with aeration plates, a rotary device is disposed between the two groups of aeration plates, the upper ends of the aeration plates are equipped with a plurality of aeration ports, the sliding blocks are internally equipped with internal threads cooperating with the screw rods, the upper ends of the screw rods and the supportrods are connected by bearing seats, the rotary device includes a movable shaft, one end of the movable shaft is respectively equipped with a connecting sleeve 1, the connecting sleeve is provided with stirring blades 1, a fixed frame is arranged on the movable shaft, the upper and lower ends of the fixed frame are both provided with grooves, in which movable blocks are arranged, and limit columns are inserted to the movable blocks.

The invention discloses an integrated water-treatment device which comprises a hydrolysis acidification pool (1), a biological contact oxidation pond (2), a settling pond (3) and a sludge digestion tank (4) sequentially and integrally arranged. The hydrolysis acidification pool (1), the biological contact oxidation pond (2), the settling pond (3) and the sludge digestion tank (4) are separated by separators (5). A water inlet (6) is arranged on the upper part of the hydrolysis acidification pool (1), and the bottom of the hydrolysis acidification pool (1) is connected with the biological contact oxidation pond (2) via through holes (7) arranged on the separators (5). A weir tank (8) is arranged on the upper part of the biological contact oxidation pond (2) and is communicated with a water inlet tube in the settling pond (3) through a weir tube (9). The bottom of the settling pond (3) is communicated with the sludge digestion tank (4) through the through holes (7) on the separators (5). An overflow weir (11) communicated with a clean water disinfecting pond (10) is arranged on the upper part of the settling pond (3). The device provided by the invention has the characteristics of stable effluent quality, stability in operation, high cost performance and convenience in maintenance.

The invention discloses a modularized biological reactor which comprises a tank, a water inlet pipe and aeration devices communicated into the tank, and a biological filler in the tank, wherein the biological filler and a plurality of aeration devices are arranged in the tank in a unit module type, and the aeration devices comprise a plurality of aerators, air compressors, air distribution pots and a plurality of air supplying pipes. The outer edges of both sides of the top of the tank are provided with a pair of tracks, a gantry support is arranged on the tracks, the top of the gantry support is provided with a moving device with a hanging hook, and the top of a modular support of each unit module is correspondingly provided with a hanging ring. Compared with the prior art, the invention can hoist any unit module in the tank. When one of the unit modules has a failure and needs to be repaired or the biological filler or the aerator needs to be replaced, the entire biological reactor does not need to stop working, only one unit module is required to be hoisted to be independently and conveniently repaired, thereby the continuous utilization performance of the system is reinforced.

The invention discloses a partial-reflux pressurized and aerated type plasma sewage treatment device. The device comprises a refluxing and pressurizing device and a plasma reactor. The device has the advantages of a wide application range, high treatment efficiency, low equipment cost, low operation cost, cleanliness, low price, stability in operation, and the like, can be applied to treating various degradation-resistant wastewater in a present environment, also can be used for solving the problem that the ammonia nitrogen content is increased after the wastewater is treated by a plasma technology, can become indispensable main force in sewage treatment and can be applied to treating various pollutant fields.

The invention discloses a mobile type solar aeration machine which comprises adrifting body(5) and a floating body (1) which is connected with the drifting body (5) for enabling the drifting body (5) todrifton a water surface, wherein the aeration machine is mounted in the middle of the drifting body (5); an impeller (35) on the bottom of the aeration machine is assembled with a mixing plate (36); a plurality of mixing plate output runners (361) which are uniformly distributed are arranged in the mixing plate (36); and each mixing plate output runner (361) is provided with a solenoid valve (4) for controlling the mixing plate output runner (361) to open and close. When the mobile type solar aeration machine normally works, the aeration directions are eight directions which are uniformly distributed, so that the aeration is uniform; by virtue of the motion of the aeration machine, the solenoid valve in certain direction is changed into a closed state from a normally-open state by virtue of the remote controller, so that the whole aeration device can move towards certain direction. The service area of single aeration machine is greater, so that the funds are effectively saved. The aeration machine is convenient to move, and is not needed to be fixed through a rope, so that the landscape is good.

The invention relates to an electrochemical device for preparing hydrogen peroxide and an application thereof. The purpose is to solve the problem that hydrogen peroxide preparation device cannot provide hydrogen peroxide continuously and cannot be widely used in engineering due to batch flow device or static standing container. The device consists of a cathode chamber, an anode chamber, a cathodeand an anode. The cathode chamber side is communicated with the anode chamber side; a gas distribution chamber is arranged below the cathode in the cathode chamber, and the top surface of the gas distribution chamber is a porous plate; the bottom surface of the cathode is arranged toward the middle line of the top surface of the air distribution chamber; the cathode material is graphene doped carbon foam or carbon nitride doped carbon foam. The invention improves the efficiency of hydrogen peroxide preparation and is beneficial to stabilizing the concentration of hydrogen peroxide by doping carbon foam with graphene or carbon nitride; the device of the invention can stably and continuously generate hydrogen peroxide under low current density. The device of the invention is applied in wastewater treatment and microbial inactivation. The invention is suitable for preparing hydrogen peroxide.

The invention discloses a bacteria and algae collaborated method for efficient treatment of aquaculture sewage. Bacteria and algae are compounded for use in combination to treat livestock and poultrysewage. The method specifically includes: adopting autotrophic ammonia oxidizing bacteria, autotrophic nitrification bacteria and heterotrophic nitrification bacteria to convert ammonia nitrogen in livestock and poultry sewage into nitrate nitrogen, then introducing the treated sewage into an airlift columnar photobioreactor, and utilizing the microalgae with a preservation number of CCTCC NO:M 2017461 to remove nitrogen and phosphorus and perform biomass accumulation. The method has the beneficial effects that: through the synergistic action of microbial functional bacteria and microalgae, the method rapidly reduces the nitrogen, phosphorus and other pollutants in livestock and poultry sewage, shortens the hydraulic retention time, improves the microalgae biomass accumulation speed, and can acquire a large number of renewable energy sources while treating livestock and poultry sewage.

A device for temperature-controlled aerobic-anaerobic coupled biological hydrogen production comprises a fermentation tank which is installed on a base, wherein the base is provided with a universal wheel which can rotate for 36 degrees and a wheel lock; one side of a fermentation tank body is provided with a feed port, and the other side of the fermentation tank body is provided with a discharge port; the inner part of the fermentation tank is a double-reaction area structure which consists of an aerobic pretreatment chamber and a fermentation hydrogen production chamber, and valves which can be opened from one direction are respectively arranged in the middles of the aerobic pretreatment chamber and the fermentation hydrogen production chamber; a baffle is installed at the inner wall of the fermentation tank; the fermentation tank body is of a double-layer structure, namely two independent interlayers wrapping the aerobic pretreatment chamber and the fermentation hydrogen production chamber; heat transfer liquid is filled in interlayers; the two interlayers are respectively provided with a liquid inlet valve and a liquid discharge valve, and connected by pipelines to form a temperature control layer; and a nanophase ceramic membrane roller penetrates through the center of the tank body, and the gas outlet of the nanophase ceramic membrane roller is connected with a gas collection device. The invention further discloses a method for biological hydrogen production utilizing the device.

The invention discloses a monatomic catalyst for preparing hydrogen peroxide through electro-catalysis and a preparation method and application thereof, and belongs to the technical field of electro-catalysis. The monatomic catalyst is composed of a carrier and transition metal, the carrier is nitrogen-doped porous carbon, the transition metal is one or more of Cu, Co, Fe and Mn, and the transition metal is fixed on the surface of the carrier in a monatomic form. The monatomic catalyst has high activity and high stability, and has optimal activity and selectivity in acidic ORR, the current and selectivity can be stabilized for more than 10 h, H2O2 of more than 3500 ppm can be accumulated, the selectivity exceeds 91% in a very wide voltage range, and the generation rate of the H2O2 corresponding to 550 mmol g <-1 > h <-1 > is achieved. The electro-catalysis device prepared from the monatomic catalyst can be widely applied to wastewater treatment, and has remarkable economic benefits and social benefits.

The invention relates to a suspended multi-pipe microporous aerator, which comprises an air inlet branch pipe, air inlet soft branch pipes, supporting pipes, an airflow distributor and rubber film sleeves. One end of each of the two air inlet soft branch pipes is communicated with the air inlet branch pipe through a tee; the rubber film sleeves are sleeved on the supporting pipes; both ends of the supporting pipes are fixed with the rubber film sleeves by clamping bands; airflow distributor ends of the rubber film sleeves are provided with self-closing micropores; the at least two intercommunication pipe in side-to side connection manner are fixed on a gas path intercommunication pipe; the other end of each of the two air inlet soft branch pipes is communicated with the gas path intercommunication pipe; and the turnings of the two air inlet soft branch pipes are sleeved with balancing weights respectively. The suspended multi-pipe microporous aerator has the advantages of convenient installation and maintenance, uniform aeration, no need of air purification and moderate cost.

The invention discloses a system for efficiently carrying out oxygenation in finite space. The system comprises an aeration tank, wherein a plurality of guide plates are arranged in the aeration tank and divide the aeration tank into a plurality of areas; and different quantities of aerators are arranged in the plurality of areas respectively in a concentrated manner according to the oxygen dissolution requirements of the areas. The system is designed aiming at some defects of existing aeration systems in the actual operational processes and can be applied to aerobic biological treatment units of various industrial wastewater and domestic sewage. The problems of nonuniformity of aeration in aerobic tanks, low overall oxygen dissolution efficiency, accumulation of sludge in tanks, easiness in falloff, blockage and aging of the aerators, quickness in reduction of the oxygen utilization efficiency, inconvenience in management and maintenance, high cost, and the like in actual engineering are solved by adopting the system.

The invention discloses a high-efficiency aeration device for sewage treatment. The device comprises a pool body, a support frame, a water inlet pipe, an aeration plate, a blower and a drainage pipe;the top of the pool body is fixedly connected with the support frame, a shaft extending end of a first motor is fixedly connected with a driving shaft, and the left and right ends of the driving shaftare provided with a left rotating shaft and a right rotating shaft respectively; the bottom of the pool body is slidably connected with the aeration plate, and an aeration shaft is arranged above theaeration plate; the outer wall of the right side of the pool body is fixedly connected with a second motor, a shaft extending end of the second motor penetrates through the side wall of the pool bodyand is fixedly connected with the aeration shaft, aeration rods are utilized to stir sewage at the bottom layer to make the sewage fully mixed with bubbles, and the aeration efficiency is improved; abristle brush is utilized to brush aeration heads on the upper surface of the aeration plate, the aeration heads are prevented from being blocked by sludge, and in the aeration process, the aerationplate moves left and right to expand an aeration range and make aeration more uniform; aeration blades are utilized to raise sewage at the surface layer to make the sewage at the surface layer fully in contact with air, and the sewage at the surface layer is aerated.

The invention provides a multi-stage type soil in-situ aeration system. The multi-stage type soil in-situ aeration system comprises an automatic control device and an aeration device. The automatic control device comprises a programmable logic controller (PLC), a transmitter, a frequency converter, a baroceptor, a lifting device and an aeration machine, wherein the PLC is connected with one end of the transmitter, one end of the lifting device and one end of frequency converter, the other end of the transmitter is connected with the baroceptor, the other end of the lifting device is connected with the aeration device, the other end of the frequency converter is connected with one end of the aeration machine, and the other end of the aeration machine is connected with a gas injection pipe of the aeration device. The aeration device comprises a first sealing device, a second sealing device, the gas injection pipe and an aeration pipe, wherein the upper end of the first sealing device is connected with the lifting device, the gas injection pipe is sleeved with the first sealing device, the upper end of the gas injection pipe is connected with one end of the aeration machine through a pipeline, the upper end of the aeration pipe is connected with the lower end of the gas injection pipe, and the lower end of the aeration pipe is connected with the second sealing device; both the first sealing device and the second sealing device are arranged in an aeration well, and a sealed space is formed through the first sealing device, the second sealing device and the wall of the aeration well; the baroceptor penetrates through the first sealing device through a connecting line and is arranged in the sealed space.

The present invention discloses an aeration device applied to membrane components and aims at providing an aeration device which is applied to membrane components so as to lead gas to form stable airflow in the inside of the components with a good membrane cleaning effect and can prolong the service life of membrane yarn and be able to carry through to produce water at two ends. The device includes an aeration body and an air collection chamber is arranged in the aeration body. The outside of the aeration body is connected with multiple closed air chambers communicated with the air collection chamber. Each air chamber is provided with multiple aeration holes. The upper part of the aeration body is provided with a water collection chamber and multiple outlet openings are arranged in the water collection chamber. The lower end of the aeration body is provided with multiple inlet openings. The aeration body is provided with a channel to communicate the inlet openings and outlet openings. The aeration device of the present invention leads gas to form continuous and stable airflow after entering the inside of the components so as to lead the up and down aeration of the membrane yarn to be uniform. The present invention has a good pollution removing and guarantees continuous and stable application of the components. And up and down arrangement of gas is uniform and the up and down force of the membrane yarn is consistent. The present invention has prolonged the service life of the membrane yarn.

The invention belongs to the technical field of sewage treatment and in particular relates to buried type glass fiber reinforced plastic integrated sewage treatment equipment and process. The buried type glass fiber reinforced plastic integrated sewage treatment equipment provided by the invention is wholly buried into the ground and comprises a grid tank, a regulation tank, a hydrolysis-acidification tank, an MBBR (Moving Bed Biofilm Reactor) tank, an inclined tube sedimentation tank, an intermediate water tank and a clean water tank, wherein the grid tank, the regulation tank, the hydrolysis-acidification tank, the MBBR tank, the inclined tube sedimentation tank, the intermediate water tank and the clean water tank are sequentially arranged in series. According to the buried type glass fiber reinforced plastic integrated sewage treatment equipment provided by the invention, the sewage treatment amount reaches 10m<3> / d to 200m<3> / d; sewage is treated for 24h and a designed treatment water amount is 0.5m<3> / h to 10m<3> / h; the treatment capacity per year reaches a grade of ten thousand tons or more; the buried type glass fiber reinforced plastic integrated sewage treatment equipment has the advantages of simplicity in operation, reasonable structure, high treatment efficiency, low investment cost and low operation cost.

The invention belongs to a low-carbon energy-saving method for treating polluted water quality of a lake or a landscape lake, comprising an aeration type aerobic device, floating landscape aerobic devices, aquatic floating plants and cultured fishes, wherein the aeration type aerobic device is positioned in a water inlet of the lake or the landscape lake; the floating landscape aerobic devices are positioned in the lake or the landscape lake at intervals; the aquatic floating plants are distributed on the periphery of the lake or the landscape lake; and the cultured fishes are positioned in the lake or the landscape lake. The method mainly uses biological natural purification as a main method and mechanical purification as an auxiliary method, supplies power by using a clean carbon-free energy source, circularly increases the fluidity of a water body, can effectively purify polluted water, prevents phycophyta growth, improves the living environment of organisms in water and always retains aquatic oxygen content in a higher level. The invention has the advantages of simple operation, low treatment cost, low-carbon energy saving, no pollution, no noise, attractive appearance, environmental protection and good treatment effect.

The invention relates to the technical field of treatment of organic solid wastes, in particular to a compensation type aeration turning-free aerobic fermentation device. The device comprises an aeration device and a stirring device, wherein the aeration device is arranged in a fermentation barrel and comprises two aeration pipes with the same pipe specifications; the two aeration pipes are embedded mutually in a shape of a vortex line; a plurality of aeration holes are formed in each aeration pipe; the corresponding aeration holes and each aeration pipe are downwards equidistantly arranged ina staggered manner at an angle of 120 degrees; the stirring device comprises a stirring shaft, stirring blades and a plurality of blade supporting rods; the stirring blades spirally rises along the stirring shaft; and the stirring blades are fixedly connected to the stirring shaft through the blade supporting rods. A compensation type pipe distribution mode is adopted, thus, aeration is uniform,anaerobic fermentation regions are reduced, aerobic fermentation of organic solid wastes is fully, the fermentation effect is improved, by the internal stirring device, an effect of turning operationcan be achieved, and materials can be fully mixed and are stirred uniformly.

The invention discloses a stirring device for livestock and poultry excrement aerobic fermentation tank. The stirring device comprises a main shaft, stirring blades and stirring blade supporting plates; the main shaft is of a tubular structure, and a cavity longitudinally penetrating through a tube body is formed in the main shaft; the stirring blade supporting plates are arranged on the pipe wallof the main shaft and are divided into five layers from bottom to top along the pipe wall; the stirring blades are arranged on the stirring blade supporting plates, the number of the blades on each layer is sequentially 3, 3, 2, 2 and 2 from bottom to top, and the stirring blades on each layer are evenly distributed and welded to the main shaft. According to the device, livestock and poultry excrement can be fully stirred in the fermentation tank, the fermentation reaction efficiency is improved, stable and reliable operation of a stirring device and a stirring shaft of the fermentation tankis guaranteed, operation is easy, the service life is long, the equipment failure rate and the manufacturing cost are low, installation is rapid, maintenance is convenient, and application and popularization are facilitated.

The invention discloses municipal sewage treatment equipment, which comprises a pool body, a fixing frame, a first motor, an aeration blade, an aeration plate and a blast blower, wherein the top of the pool body is fixedly connected with the fixing frame; the lower surface of the fixing frame is fixedly connected with the first motor; the shaft extending end of the first motor is fixedly connectedwith a driving shaft; the aeration blade is hinged onto the driving shaft; a stirring shaft is arranged under the driving shaft; a stirring rod is distributed on the stirring shaft; the aeration plate is hinged to the bottom of the pool body; the blast blower is used for performing aeration on the bottom layer sewage; the aeration blade always floats on the water surface; the aeration blade is used for raising the surface layer sewage; the surface layer sewage is subjected to aeration; the stirring rod is used for stirring the sewage; bubbles in the sewage are broken, so that the mixing of the air and the sewage is more uniform; the contact is more sufficient; the aeration effect is improved; in the aeration process, the aeration plate leftwards and rightwards swings; the aeration range is expanded; meanwhile, the aeration plate is used for stirring the bottom layer sewage, so that the bottom layer sewage is upwards turned; the sewage aeration is more uniform.

The invention provides a multi-section type soil in-situ aerating device. The multi-section type soil in-situ aerating device comprises sealing devices, an air injecting pipe and an aerating pipe. The sealing devices include the first sealing device and the second sealing device, the first sealing device and the second sealing device are both in circular-truncated-cone shapes, and the first sealing device is connected to the air injecting pipe in a sleeving manner. The upper end of the air injecting pipe is connected with an aerating machine, and the lower end of the air injecting pipe penetrates the first sealing device to be connected with the aerating pipe. The upper end of the aerating pipe is connected with the lower end of the air injecting pipe, and the lower end of the aerating pipe is connected with the second sealing device. The aerating pipe comprises a vertical aerating pipe body, a plurality of pipe body holes are formed in the vertical aerating pipe body, each pipe body hole is connected with a branch aerating pipe, and a dip angle is formed between each branch aerating pipe and the vertical aerating pipe body. The first sealing device and the second sealing device are oppositely arranged in an aerating well, and closed space is formed by the first sealing device, the second sealing device and the well wall of the aerating well. The multi-section type soil in-situ aerating device in the embodiment has the beneficial effects that aerating is even, the energy consumption of an air injecting device is low, and operation is flexible; and the pollutant removal efficiency is improved.

The invention discloses a chemical co-production device of preparing an organic fertilizer from livestock and poultry manures, and belongs to the technical field of organic fertilizer production equipment. The chemical co-production device comprises a homogenization storage tank, a solid-liquid separator, a groove type fermentation tank, a ventilation aeration element, a heat collection element, and a power supply. Through the ventilation aeration element, manures will not enter an aeration pipeline, the aeration pipeline will not be obstructed, the aeration process is guaranteed, and enough oxygen is supplied to the organic fertilizer to ensure the quality of the produced organic fertilizer. By utilizing the ventilation aeration element, air flows out in a spiral form, the wind power is increased, the air ejected in a spiral form is broken into a plurality of air bubbles, and the aeration efficiency is improved therefore. Through a deodorizing element, the odor generated by the fermentation in the groove type fermentation tank is processed centrally; the manures are recycled and reused, the energy consumption and discharge are reduced, and the provided device has the advantages ofuniform aeration, high production efficiency, energy saving, and reduced emission, and is suitable for popularization.