100results about How to "Fully aerated" patented technology

The invention discloses an aerobic inner loop reflux typed immobilized microbe fluid-bed reactor, which comprises the following parts: sediment area, reacting area and depositing area, wherein the bottom of depositing area possesses sludge hopper with water distributor on the top, which connects pump through inlet pipe; the support aerating pipe is set on the water distributor, which connects inlet pipe and microhole aerating machine; the reflective board is set on the support aerating pipe; the immobilized microbe fill and inner loop reflux pipe are set in the reacting area with the first and second hopper-shaped sampling holes on the top of inner loop reflux; the bottom of sludge hopper connects the first stop valve and sludge draining pipe; the outer wall of reactor bulk possesses multiple sampling holes; the top of reactor bulk connects U-shaped pipe, outlet pipe, liquid rotor flow gauge, the second stop valve and outlet tank.

The invention discloses an aeration tank with multiple aeration structures. The aeration tank comprises a tank body, a support, a motor, an aeration plate, aeration heads, an air conveying pipe, a water inlet and a water outlet, wherein the top of the tank body is fixedly connected with a support; the center of the lower surface of the support is fixedly connected with a telescoping mechanism; the lower end of the telescoping mechanism is fixedly connected with the motor; the shaft extending end of the motor is fixedly connected with a rotating shaft; the rotating shaft is sleeved with a worm gear; two sides of the worm gear are respectively provided with a first worm and a second worm; two ends of the first worm and the second worm are fixedly connected with stirring plates; a third worm and a fourth worm are arranged below the first worm and the second worm; and the tail end of the rotating shaft is fixedly connected with the aeration plate. According to the invention, after sewage enters the tank body, the aeration plate is used for aeration of sewage at a bottom layer; the stirring plates are used for aeration of sewage at an upper layer; the aeration plate rotates during discharging of air, so air and sewage are more uniformly mixed, and aeration effect is improved; and sewage at a middle layer is stirred via the stirring plates so as to improve aeration effect.

The invention relates to a method for relieving the body-type cavitation of a suddenly-enlarged gallery for ship locks and particularly relates to a method for relieving the sill-lifting cavitation of a suddenly-enlarged gallery for high-lift ship locks. The method is characterized in that a position to which a flow separation occurs on a sill-lifting curved surface is provided with a sill-lifting aeration device, the sill-lifting aeration device is an aerating groove or is formed by connecting an aerating sill with an aerating groove, the inside of the aerating groove is provided with a ventilating pipe communicated with the top of a lock, the top of the ventilating pipe is also connected to an air compressor by connecting a branch pipe, and the branch pipe is provided with a valve; and when the negative pressure exerted on the rear low-pressure area of the sill-lifting aeration device is large enough to automatically suck air into water, the ventilating pipe is communicated with the atmosphere so as to realize natural ventilation, otherwise, air is added into the sill-lifting aeration device by using the air compressor so as to achieve the purpose of relieving the downstream sill-lifting and gate-slot cavitation of the sill-lifting aeration device.

The present invention discloses an aeration and feeding integrated fish pond culture system. The aeration and feeding integrated fish pond culture system comprises two floating plates, two sets of aeration components, a weight box, a support plate and a feeding box; wherein the weight box is immersed below water surface; the weight box is vertically provided with the support plate; the support plate protrudes above the water surface; the top end of the support plate is provided with the feeding box; the both sides of the support plate are symmetrically provided with the two sets of the aeration components; the bottom ends of the aeration components are rotatably provided on the weight box; the top ends of the aeration components are provided with the floating plates; and the floating plates float on the water surface. The provided aeration and feeding integrated fish pond culture system and a method thereof integrate aeration and feeding, and has simple structure optimization and strong functions.

The invention discloses an aerated flip bucket arrangement structure suitable for a high water head flood discharge hole. An aerated flip bucket is arranged behind a flood discharge hole current control gate by 1-2 times of the hole diameter of the flood discharge hole; and the two sides of an opening of the aerated flip bucket are outwards expanded suddenly to increase the through-flow section of the flood discharge hole. A gate-bucket split type aeration technical scheme, provided by the invention, can thoroughly eliminate a clear water area behind the aerated flip bucket, so that an aerated cavity is not influenced by the openness of the gate any more; and no matter the opening mode of the gate, the flowing state of water current is clear and stable, so that the cavitation resistance of the arched gate is largely improved, and the operation flexibility of the gate is largely improved.

The invention discloses a sewage disposal apparatus utilizing a multiple-needle plate type plasma capable of discharging in both air and water. The sewage disposal apparatus comprises a reactor casing, a multiple-needle plate type electrode capable of discharging in both air and liquid and a high-voltage discharge power supply. The inside of the reactor casing is divided into a discharge reaction zone and an air chamber under the discharge reaction zone; a cooling water groove used for cooling the discharge reaction zone is arranged on the periphery of the discharge reaction zone. The multiple-needle plate type electrode capable of discharging in both air and water comprises a plate type electrode and multiple hollow-needle shaped electrodes; the plate type electrode is connected to the positive pole of the high-voltage discharge power supply and the multiple hollow-needle shaped electrodes are connected to the negative pole of the high-voltage discharge power supply; the plate type electrode is arranged in the discharge reaction zone; the multiple hollow-needle shaped electrodes penetrate corresponding air micropipes fixedly arranged between the discharge reaction region and the air chamber to be arranged by corresponding to the plate type electrode. The whole sewage disposal apparatus has the advantages of high practicability, high energy utilization rate, good disposal effect, and wide application prospect in the field of sewage disposal.

The invention discloses a power-assisted module and water quality integrated treatment equipment thereof. The water quality integrated treatment equipment comprises a microbial inoculum feeding modulewhich is used for storing a powder strain mixed with a powder culture medium, wherein the strain comprises photosynthetic bacteria, a culture module which is used for continuously culturing the microorganisms conveyed from the microbial inoculum feeding module and conveying a culture solution into a microorganism discharging tank of a discharging module for storage after the microorganisms are cultured to be mature, the discharging module which is used for discharging a culture solution containing microorganisms and an agent for improving the water quality, a monitoring module which is used for monitoring the water quality of the target water and acquiring water quality parameters, and a sampling module which is used for collecting and storing the water of the target water The equipment is high in function integration degree, can achieve the functions of water quality monitoring, sampling, microorganism continuous culture and feeding, agent feeding and the like at the same time, and can achieve treatment, monitoring and sampling of a target water area only through one device in actual use.

The invention discloses a swirling flow shaft with a plurality of swirling chambers. The swirling flow shaft is characterized in that at least one expanded swirling chamber is coaxially formed on the elevation of a shaft section of the swirling flow shaft, and each swirling chamber is connected with a corresponding drain tunnel; the diameter of a lower shaft with the swirling chambers is more than or equal to that of an upper shaft; and an inlet, which is connected with a corresponding swirling chamber, of a drain tunnel at a lower position is completely positioned in a sidewall cavity formed between a letdown water flow and the wall surface of the swirling chamber. The swirling flow shaft is ingenious in design; each swirling chamber can be connected with a drain tunnel running at a low level, and shares the same shaft, the same slope section, the same lower horizontal section and an outlet connected with a water flow in a downstream river channel, so that the construction cost of hydraulic engineering can be greatly lowered, the cycle of construction engineering can be shortened, and difficulty in the pivot distribution of the hydraulic engineering can be eliminated; and moreover, the swirling flow shaft is conveniently and flexibly used, and is high in applicability and particularly applied to hydraulic engineering with big changes in the water level of a reservoir area.

The invention provides a preparation method of coagulation type colloid bubbles. The preparation method comprises the following steps: mixing an ampholytic surfactant with a coagulant so as to obtain a bubble generation liquid; introducing air into the obtained bubble generation liquid, and stirring under a condition that the stirring velocity is 5000-8000rpm, thus obtaining the coagulation type colloid bubbles. The invention further provides a preparation device of the coagulation type colloid bubbles. According to the technical scheme of the invention, the bubble generation liquid has relatively high critical micelle concentration up to 122-307mg / L. The coagulation type colloid bubbles prepared by using the method provided by the invention are long in service life (liquid discharge time), i.e.,, 142-200 seconds, high in gas content, i.e., 53-55%, small in average diameter, i.e., 35-45[mu] m. By adopting the preparation method, the properties of the coagulation type colloid bubbles can be stable in the continuous gas floating separation process, and the sewage treatment effect can be improved.

The invention discloses a moving aeration sewage suction device for fish pond culture and a working method thereof, which includes a moving frame arranged at the bottom of the pond and two winches which are symmetrically arranged on two opposite banks of the pond about the frame. The bottom of the moving frame is provided with rollers. The two winches are respectively connected with the moving frame through a matched rope in traction mode. The two winches can pull the moving frame to move back and forth in the fish pond under the operation of alternating rope rolling and rope releasing; the moving frame comprises a pipeline frame and a steel bar frame, wherein a plurality of sewage suction components and a plurality of aeration components are arranged on the pipeline frame in linear arraymode. According to the invention, the aeration is effectively combined with the sewage suction, the mutual interference between the aeration and the sewage is not caused. The cost of fishing breedingis reduced; during back-and-forth movement, the sewage suction and aeration are carried out. The sewage suction and aeration range is increased and the sewage suction and aeration are more sufficient.

The invention discloses an aeration device with stirring rods with gas outgoing holes. The aeration device comprises an aeration cavity, a motor arranged at the top of the aeration cavity, a stirringmodule arranged inside the aeration cavity and an aeration module arranged on the lower portion of the aeration cavity, the stirring module comprises a rotating shaft fixedly connected with the outputend of the motor and a stirring rod group rotatably connected with the rotating shaft, and the rotating shaft and the stirring rod group are hollow cylinders; the gas outgoing holes and propellers are arranged on the stirring rod group, and the stirring rod group is arranged in a manner of inclining relative to the rotating shaft. Gas can be fed into after the rotating shaft and the stirring rodgroup are connected with the aeration module, and the gas is ejected from the gas outgoing holes formed in the stirring rod group to realize multidirectional aeration effect, so that aeration is moresufficient; the propellers are arranged on the stirring rod group to enable sewage to move along a fixed direction to form circulating water flow inside, in this way, circulating sewage flow is enabled to pass the gas outgoing holes so as to realize sufficient aeration effect.

The invention discloses a rack-and-pinion cooperated aeration treatment device for medical sewage. The rack-and-pinion cooperated aeration treatment device comprises a device box, a connecting frame,an aeration box, a rotating motor, a stirring auger and a diagonal filter plate, wherein the lower side of a slide block is symmetrically welded with the connecting frame; the lower side of the connecting frame is fixedly with the aeration tank; the center of a driven gear is provided with a stirring shaft in an interference fit manner; and the lower end of the stirring shaft is fixedly connectedwith the stirring auger. Since the stirring auger clockwise and anticlockwise rotates intermittently, the aeration treatment device provided by the invention has better sewage aeration effect and morethorough aeration compared with common single-direction-stirring aeration. At the same time, the aeration box moves leftward and rightward, so the internal stirring range of the stirring auger is larger; and thus, the occurrence of aeration dead angles in the aeration box is avoided and the effect of aeration is further improved.

The invention discloses an environment-friendly medical wastewater treatment device which structurally comprises an integral treatment cylinder, support blocks, a wastewater inlet tube, a feeding repairing window, a sealing cover, a residual sludge discharge tube, a partition plate, a reclaimed water discharge tube, a precipitate discharge tube, a contact oxidation chamber I, activated sludge, a contact oxidation chamber II, a water submergible oxygen charge aerator, a biological membrane net, a mixing reaction chamber, a coagulant, an on-line pH value tester, a precipitate filtering chamber, a backwash tube and a disinfectant supply tube, wherein the support blocks are uniformly arranged below the integral treatment cylinder at equal intervals and are perpendicularly connected with the integral treatment cylinder via electric welding. Due to adoption of the water submergible oxygen charge aerator, underwater oxygen supply and aeration are adopted, the aeration noise is reduced, relatively sufficient aeration is achieved, the oxygen supply efficiency is improved, sufficient oxygen is supplied to bio-membrane treatment, deep treatment on medical wastewater is achieved, the quality of effluent of medical wastewater is improved, and the practicability of the medical wastewater treatment device is improved.

The invention discloses an aeration tank with a double aeration structure. The aeration tank comprises a tank body, a fixing frame, an aeration plate, a draining pipe and an air blower, the top of thetank body is fixedly connected with the fixing frame, a first motor is fixedly connected on the upper surface of the fixing frame, a shaft extending end of the first motor is fixedly connected with aturnplate, a limiting sleeve is fixedly connected on the lower surface of the fixing frame, a sliding rod penetrates from the inside of the limiting sleeve, a rotating shaft is arranged on each of left and right sides of the sliding rod, the aeration plate is arranged at the bottom of the tank body, and the inside of the aeration plate is hollow. The air blower is utilized to deliver air to the aeration plate to aerate sewage; a stirring rod is utilized to stir the sewage to break bubbles in the sewage, so that the sewage and the air are mixed more uniformly, and aeration is more uniform; a stirring plate is utilized to stir the sewage on the surface layer to lift the sewage, so that the sewage and the air can fully contact; a brushing plate is utilized to brush an aeration nozzle on theaeration plate to prevent the aeration nozzle from being blocked; the aeration plate is utilized to drive the sewage on the bottom layer to turn over upwards, so that the aeration process is more uniform.

The invention discloses an industrial sewage aeration device with a double-stirring mechanism. The industrial sewage aeration device comprises a tank body, a fixing rack, a driving shaft, stirring blades, an aeration plate, a water inlet tube and a water discharge tube, wherein the fixing rack is fixedly connected with the top of the tank body; a telescopic mechanism is fixedly connected with thelower surface of the fixing rack; a fixing plate is fixedly connected with the lower end of the telescopic mechanism; a stirring motor is fixedly connected with the lower surface of the fixing plate;the driving shaft is fixedly connected with a shaft extension end of the stirring motor; a driven shaft is arranged on the right side of the driving shaft; the aeration plate is arranged at the bottomof the tank body. In the aeration process, the aeration plate is moved leftwards and rightwards, then bubbles can be relatively uniformly discharged into sewage, the sewage can be relatively uniformly mixed with the bubbles, the aeration efficiency can be improved, sewage at the bottom of the tank body is pumped out by using a circulation water pump and is sprayed back into the tank body througha nozzle, then the sewage can contact the air sufficiently, the sewage is subjected to circulated aeration, relatively sufficient sewage aeration can be achieved, and due to adoption of the two stirring shafts, namely the driving shaft and the driven shaft, sewage can be relatively sufficiently mixed with bubbles.

The invention discloses an aeration device used for domestic sewage processing. The aeration device used for domestic sewage processing comprises a tank body, a fixing support, a first motor, an aeration plate, a blower, a water inlet pipe, and a water outlet pipe; the top of the tank body is fixedly connected with the fixing support; a sliding plate is arranged in the fixing support; the upper surface of the sliding plate is fixedly connected with the first motor; a shaft stretching terminal of the first motor is fixedly connected with a stirring shaft; the stirring shaft is fixedly connectedwith stirring blades; the bottom of the tank body is fixedly connected with the aeration plate; the stirring blades and stirring rods are used for stirring sewage for sewage full mixing, the stirringblades are used for raising of upper layer sewage, so that full contact of sewage with the air and aeration on sewage are realized; the blower is used for conveying the air into the aeration plate for aeration of bottom layer sewage, at the same time, the air is introduced into a stirring shaft through a telescopic flexible pipe, and is introduced into sewage through gas outlets for aeration of middle layer sewage; and a spiral plate is adopted to drive bottom sewage to turn upward, so that mixing of sewage with the air is more full.

The present invention discloses a sampling module and water quality integrated treatment equipment thereof. The water quality integrated treatment equipment comprises a microbial inoculum feeding module for storing a powder strain mixed with a powder culture medium, a culture module used for continuously culturing microorganisms conveyed from the microbial inoculum feeding module and conveying a culture solution into a microorganism discharging tank of a discharging module for storage after the microorganisms are cultured to be mature, the discharging module used for discharging the culture solution containing the microorganisms and a medicament for improving the water quality, a monitoring module used for monitoring the water quality of a target water body and obtaining water quality parameters, and a sampling module is used for collecting and storing water of the target water body, wherein the strain comprises photosynthetic bacteria. The equipment has a high function integration degree, the functions of water quality monitoring, sampling, microorganism continuous culture and feeding, agent feeding and the like can be achieved at the same time, and the treatment, monitoring and sampling of a target water area can be achieved only with one piece of equipment in actual use.

The invention belongs to the technical field of equipment for water treatment and particularly relates to an efficient aerating device for water treatment. The device consists of a primary air bubble cutting assembly and a secondary air bubble blocking assembly. The device provided by the invention has the beneficial effects that 1, the device is simple in structure and convenient to assemble and disassemble; a first housing and a second housing are mounted by virtue of positioning holes and positioning columns, and moreover, an air bubble cutting structure and an air bubble blocking piece can be mounted by virtue of a detachable mounting window, and the device is simple in operation and management and does not occupy space; 2, the air bubble blocking piece is in a stripe-like groove structure design so as to effectively block cut ascending air bubbles and increase the using efficiency of oxygen in air bubbles, so that the aerating quality is improved, and the oxygen utilization ratio reaches about 40%; and 3, air bubbles are cut in multilevel by using the air bubble cutting device to form micro air bubbles, the aerating effect is comparable to that of a microporous aerator, the blocking phenomenon is avoided, the saturating capacity of water can be maintained, and soluble matters such as dust can be fully dissolved.

The invention relates to a fountain aeration spray head and a manufacture method and a use method thereof. A spray head main body comprises a spray head outer barrel, a spray head inner barrel, an air-water mixing flow guide cavity, a water source spray pipe and a flow regulator and is formed by connecting a tapered flow guide bracket, a lower end flange bracket and an upper end flange bracket; the center part of the water source spray pipe is provided with the flow regulator; the lower end flange bracket is fixedly arranged on the outer wall of the water source spray pipe; both end parts of the spray head inner barrel and the spray head outer barrel are fixedly provided with the lower end flange bracket and the upper end flange bracket respectively to form an air inlet passage to guide air to the air-water mixing flow guide cavity; and a mixed air-water mixing water source is sprayed from a nozzle to aerate a water source. The invention has scientific design conception, reasonable structure, convenient use, large and even aeration, favorable aeration effect, simple and easy installation and debugging, even air-water mixture, large fountain water shape diameter, attractive appearance, large air inflow, elegant white jade pillar water shape, nobleness, generosity, elegance and distinction and combines aeration and a waterscape together.

The invention provides a three-dimensional full-cross-section aeration step, and aims at solving the problem of cavitation and cavitation erosion of high-speed water stream. The three-dimensional full-cross-section aeration step is capable of extremely reducing the difficulty in construction, and greatly saving the construction cost and can be used in a small bottom slope condition. According to the technical scheme, the three-dimensional full-cross-section aeration step comprises a side wall and a bottom plate, wherein a bottom aeration step is arranged on the bottom plate, and a wedge-shapedintermediate pier is vertically arranged in the middle part of the bottom aeration step; the starting position of the intermediate wedge-shaped pier is overlapped with a starting point of the bottomaeration step, and the vertical height and the transverse width of the wedge-shaped intermediate pier are zero; the thickness of the bottom aeration step in the water stream flowing direction gradually increases; the longitudinal height of the bottom aeration step gradually increases in the water stream flowing direction, and the transverse wide gradually increases in the water stream flowing direction; and the upstream face of the bottom aeration step is an arc-shaped upstream face.

The invention discloses a side wall impact rebound low-pressure area sudden expansion and sudden falling radial gate aeration structure. The radial gate aeration structure comprises a radial gate, a side wall, a bottom plate, vent holes, a primary sudden expansion and sudden falling water stop structure and a secondary sudden expansion and sudden falling aeration structure. The radial gate is transversely arranged on the side wall, the bottom plate is located at the bottom end of the side wall, the vent holes are located in the downstream of the radial gate and communicate with a cavity area in the top of downstream flood-discharged water flow, the primary sudden expansion and sudden falling water stop structure is located at the upstream of the radial gate, and the secondary sudden expansion and sudden falling aeration structure is located at the junction of a downstream water flow impact area and a low-pressure area. According to the radial gate aeration structure provided by the invention, the side wall is subjected to secondary sudden expansion at the low-pressure area to form a longer side aeration cavity, so that the water flow in the original low-pressure area is not attached to the side wall any more, the starting point of cavitation damage is located in the low-pressure area, and when the water flow is not attached to the side wall any more, the side wall cannot be subjected to cavitation damage even if the water flow is subjected to cavitation. The gate can safely operate under various opening degrees, and the operation of the gate is not limited any more.

The invention provides a reverse umbrella aerator with an anti-winding function. The reverse umbrella aerator comprises an impeller shaft, a reverse umbrella aerator impeller, a sleeve and a fasteningpiece, wherein the reverse umbrella aerator impeller sleeves the impeller shaft; the reverse umbrella aerator impeller is connected with the impeller shaft in a nonrotational manner; the sleeve sleeves to the impeller shaft; the sleeve is connected with the impeller shaft in a nonrotational manner; at least one rotating blade is arranged on the outer wall of the sleeve; the fastening piece is matched and connected with one end, close to the sleeve, of the impeller shaft; the sleeve is positioned between the reverse umbrella aerator impeller and the fastening piece; one end of the sleeve is abutted against the reverse umbrella aerator impeller; the other end of the sleeve is abutted against the fastening piece. The reverse umbrella aerator has the advantages that the at least one rotatingblade is arranged on the outer wall of the sleeve, when the aerator operates, foreign matter in water can be cut into fragmentations, and the foreign matter is avoided from winding the impeller shaft.

The invention discloses a wastewater aeration device for water supply and drainage, and belongs to the technical field of wastewater treatment. The device comprises a supporting frame, a water storagetank, a treatment barrel and an aeration barrel, a moving rod is arranged on a central shaft in the aeration barrel, a gas dispersing plate is arranged at the lower end of the moving rod, a ventilation cavity is formed in the moving rod, the gas dispersing plate comprises upper and lower layer plates with a uniform dimension and fixing rings which surround the circumferences of the upper and lower layer plates, a plurality of sector gas charging cavities which surround the moving rod are formed in the part between the upper and lower layer plates by separation plates, the ventilation cavity is communicated with each gas charging cavity, and a row of air outlet holes with gradually increasing hole diameters which are distributed from the side where the moving rod is located to the side where the fixing rings are located are formed in the part, corresponding to the upper and lower layer plates, of each gas charging cavity; the top of the moving is connected with a piston rod of a hydraulic cylinder, the upper port of the aeration barrel is sealed, and the circumference of the gas dispersing plate adhere to the inner wall of the aeration barrel. According to the device, gas supplyingis more uniform, the thoroughly mixing of gas and water can be promoted from multiple aspects to improve aeration effect, and water quality can be improved after treatment is conducted.

The invention discloses a sewage purification treatment system which comprises an integrated biological purifier and an enhanced phosphorus removal constructed wetland;the integrated biological purifier comprises an anaerobic tank, an anoxic tank, an aerobic tank and a sedimentation tank which are sequentially arranged along the water flow direction;biological fillers for growth and propagation ofmicroorganisms are arranged in the anaerobic tank, the anoxic tank and the aerobic tank; the enhanced phosphorus removal constructed wetlandcomprises a filter layer; a filter material is arranged inthe filter layer, the filter material comprises one or more of ceramsite, coal ash, steel slag and gravel;plants are planted on the filter layer; the sedimentation tank is connected with a water distribution pipe capable of conveying sewage on the upper layer of the sedimentation tank to the upper surface of the filter layer, a water collection pipe is arranged at the lower part of the filter layer, and water collection holes are formed in the water collection pipe. The sewage purification treatment system is high in sewage purification degree and beneficial to sewage recycling and reusing.

The present invention discloses a monitoring module and a water quality integrated treatment device thereof, the water quality integrated treatment device comprises: a microbial inoculum feeding module for storing a powder strain comprising photosynthetic bacteria and mixed with a powder culture medium; a culture module which is used for continuously culturing microorganisms conveyed from the microbial inoculum feeding module and conveying a culture solution into a microorganism discharging tank of a discharging module for storage after the microorganisms are cultured to be mature; the discharging module which is used for discharging the culture solution containing the microorganisms and a medicament for improving the water quality; the monitoring module which is used for monitoring the water quality of a target water body and obtaining water quality parameters; and a sampling module which is used for collecting and storing the water of the target water body. The device is high in function integration degree, can achieve the functions of water quality monitoring, sampling, microorganism continuous culture and feeding, agent feeding and the like at the same time, and can achieve treatment, monitoring and sampling of a target water area only through one device in actual use.

The invention provides a biological membrane processing device used for processing black water. The biological membrane processing device comprises a biological reaction tank, wherein a biological rotary disc is arranged inside the reaction tank, and the biological rotary disc comprises a rotating shaft, and a plurality of discs arranged on the rotating shaft; a gas guiding pipe is arranged insidethe rotating shaft, and a plurality of aeration pieces are arranged on the rotating shaft; the aeration pieces are arranged along the length direction of the rotating shaft, and are internally provided with aeration pipes; the gas guiding pipe is communicated with the aeration pipes, and the upper surfaces of the aeration pieces are provided with multiple aeration holes communicated with the aeration pipes. The multiple aeration pieces are arranged on the rotating shaft, so that sufficient aeration can be realized.

The invention relates to the field of sewage treatment, and discloses intelligent integrated treating equipment for rural sewage. The equipment comprises a sewage treating device and an intelligent monitoring all-in-one machine, wherein the sewage treating device comprises a regulation tank, an anaerobic tank, a facultative tank, a contact oxidation tank, a secondary sedimentation tank and a clean water tank, wherein the regulation tank, the anaerobic tank, the facultative tank, the contact oxidation tank, the secondary sedimentation tank and the clean water tank are sequentially arranged and communicated through pipelines in sequence; elastic filling is arranged in the anaerobic tank, the facultative tank and the contact oxidation tank respectively; a sludge reflux pump is arranged in the secondary sedimentation tank; and the secondary sedimentation tank is communicated with the anaerobic tank through the pipeline. The treating equipment is energy-efficient and small in floor space; the sewage treating device is intelligently controlled by the monitoring all-in-one machine; operating states of various equipments in the all-in-one machine can be controlled according to water quantity and water quality; the monitoring all-in-one machine can conduct unified management on a water management platform through on-line operation and detection data stored in a network transmitter; management of the rural sewage is facilitated; and the manpower and material resources are saved.

The invention relates to an integrated hydrolysis acidification and anaerobic fermentation device. The device comprises an anaerobic tank, a hydrolysis acidification tank, an aeration system and a feeding system, wherein the hydrolysis acidification tank is mounted in the anaerobic tank; the hydrolysis acidification tank is communicated with the interior of the anaerobic tank through an overflow opening in the upper end; the aeration system is communicated with the bottom of the hydrolysis acidification tank through an aeration pipeline; the feeding system is communicated with bottom of the hydrolysis acidification tank through a feeding pipeline. According to the hydrolysis acidification and anaerobic fermentation integrated device, the hydrolysis acidification and the anaerobic fermentation are integrated, so that the floor space of the device is decreased; the hydrolysis acidification process is separated from a biogas production process, and the two processes do not affect each other and are mutually synergetic, so that compared with the conventional anaerobic fermentation tanks, the device is capable of effectively improving the volumetric gas production rate and biogas production rate of the anaerobic fermentation tank.

The invention relates to a device for controlling an environmentally-friendly sewage aeration process and particularly to an energy-saving intermittent aeration control system which comprises an air blower which is connected by an air pipe and extends into an aeration pool. The control system is characterized in that the aeration pool is internally provided with three stages of aeration areas successively; each aeration area is internally provided with an efficient aeration nozzle and an aeration micro-stirring device; the efficient aeration nozzles are arranged on the air pipe; the aeration micro-stirring devices are arranged above the efficient aeration nozzles; and the air pipe is formed as an annular voltage-sharing spreading pipeline in each aeration area. According to the control system, the problems that the traditional aeration process has high requirements on the technology and experience of operation personnel, mistakes happens easily, a great deal of energy is consumed and the fault rate is high, are solved; the biochemical process efficiency is improved by controlling the dissolved oxygen in the aeration pool precisely and stably; the operation cost of sewage treatment plants is reduced greatly; and a tremendous electric charge is saved.

The invention provides a mine pit wastewater pre-treatment device, and relates to the technical field of the mine pit wastewater treatment. The mine pit wastewater pre-treatment device comprises a first treatment part and / or a second treatment part. The first treatment part comprises an intra-pit treatment unit, a first hydraulic drop aerating unit and a first precipitate treatment unit which aresuccessively connected. The intra-pit treatment unit is installed in a waste mine pit. The intra-pit treatment unit is provided with the water outlet end penetrating through the mine pit. Each of thefirst hydraulic drop aerating unit and the first precipitate treatment unit is provided with the water inlet end and the water outlet end. The second treatment part comprises an anoxic treatment unit,a second hydraulic drop aerating unit and a second precipitate treatment unit which are successively connected. The anoxic treatment unit is connected with the first precipitate treatment unit or connected with the mine pit. A technical problem in the prior art that needed operation and maintenance cost is higher by using a neutralization precipitation method to treat wastewater in the mine pit is solved. The first treatment part and / or the second treatment part of the mine pit wastewater pre-treatment device is capable of realizing the adequate treatment to the wastewater in the waste mine pit.