57results about How to "Improve oxygen supply efficiency" patented technology

The invention discloses a micro-aeration enhanced ecological floating bed sewage treatment device which comprises water plants, a floating carrier, a combined packing layer, a fine bubble aeration pipeline, a support and an aeration machine, wherein plant holes are formed in the floating carrier, the water plants are planted onto the floating carrier through the planting holes and float on the water surface inside the micro-aeration enhanced ecological floating bed sewage treatment device, the combined packing layer is arranged below the floating carrier, the fine bubble aeration pipeline is circularly laid at the bottom of the micro-aeration enhanced ecological floating bed sewage treatment device through the support, and the aeration machine is connected with the fine bubble aeration pipeline at the bottom of the device. Aeration for the device is performed through a micro-aeration system, so that the growth of microbes on plant roots and the combined packing layer is promoted, the synergistic effect of a microbial system and a water plant system is promoted, the device can be used repeatedly, pollution to water cannot be caused, the cost is low, and the device is very suitable for being applied in a large area during natural water body pollution treatment.

The invention discloses a device and a method for large-scale pretreatment of domestic garbage. The device comprises a vertical cylinder, an air suction component, a double-screw discharge component and a temperature automatic control component, wherein the air suction component is matched with the vertical cylinder; a raw material cavity, an air inlet duct and an air outlet duct are arranged in the vertical cylinder; the air inlet duct and the air outlet duct are oppositely arranged at the two ends of the raw material cavity; the face of the air inlet duct facing the raw material cavity is provided with a plurality of air inlet holes which are communicated with the raw material cavity; the face of the air inlet duct far away from the raw material cavity is provided with more than one air inlet; the face of the air outlet duct facing the raw material cavity is provided with a plurality of air outlet holes which are communicated with the raw material cavity; and the face of the air outlet duct far away from the raw material cavity is provided with more than one air outlet. According to the method, the garbage material is continuously filled into the raw material cavity of the vertical cylinder lot by lot, fermented by intake air and continuously discharged lot by lot. The device has the advantages of simple and compact structure, small floor area and the like; and large-scale, industrial, engineered and continuous flow line production of the pretreatment of the domestic garbage can be realized.

The invention provides an aquaculture oxygen charging system. The aquaculture oxygen charging system is characterized by comprising an oxygen supply device, a Venturi mixer, a water distribution device and a submerged pump, wherein the oxygen supply device comprises any one or both of an air compressor and a liquid oxygen tank; the Venturi mixer is provided with a water inlet, a water outlet and an air inlet; the air inlet is communicated with the oxygen supply device by virtue of an air supply pipeline, a one-way valve is arranged on the air supply pipeline, and the one-way valve is used for controlling the oxygen supply deice to supply air to the Venturi mixer; the water distribution device comprises a water outlet main pipe which is communicated with the water outlet and a plurality of water outlet branch pipes which are communicated with the water outlet main pipe; each water outlet branch pipe is provided with a plurality of water distribution fine holes; the submerged pump is communicated with the water inlet by virtue of a water conveying pipeline, and is used for transferring a water body in a pond into the Venturi mixer by virtue of the water conveying pipeline and the water inlet; a check valve is arranged on the water conveying pipeline. The aquaculture oxygen charging system provided by the invention is high in effluent dissolved oxygen content and low in energy consumption.

The invention discloses a method for enhancing sewage nitrogen and phosphorus removal and saving energy and reducing consumption based on pulse aeration. On the basis of a traditional A2O process, different galleries or areas of an aerobic zone are partitioned, a central control system in a sewage treatment plant is used for controlling an air blower, a pipeline and an air valve of an aerating system, the aerobic zone is subjected to pulse aeration, an area in the aerobic zone is always in the low dissolved oxygen state, DO is smaller than 0.5 mg/L, meanwhile, other areas normally aerate to be in high dissolved oxygen state, that is, DO is 2-3 mg/L, different areas of the aerobic zone are alternatively in the low dissolved oxygen state, the time that each area is in the low dissolved oxygen state in one cycle is t/n; t is an aerobic zone hydraulic retention time, and n refers to the number of the galleries or areas; the pulse cycle is an aerobic zone hydraulic retention time; after the aerobic zone is subjected to intermittent pulse aeration, an alternative aerobic-anoxic environment is realized, the denitrification is enhanced, and the sewage treatment effect and the water quality are improved.

The invention discloses a method for activating black and odorous river course raw water by bypassing new water. The method comprises the following steps: introducing black and odorous river course raw water into an absorbing well; filtering off big-volume impurities through a grid, and then introducing into a collecting well; sucking the water in the collecting well into the initial end of an ABR reactor, guiding by a guide plate in the ABR reactor, and performing denitrification nitrogen removal and anaerobic phosphorus release reaction on sludge beds in various reaction chambers; introducing the effluent water after treatment by the ABR reactor into an MABR membrane bioreactor, and performing aerobic phosphorus accumulation reaction and nitration reaction; returning the effluent water at the tail end of the MABR reactor into the ABR reactor, and further performing denitrification nitrogen removal and anaerobic phosphorus release reaction; introducing the water body after further treatment by the ABR reactor into the MABR reactor, and further performing aerobic phosphorus accumulation reaction and nitration reaction; introducing the effluent water from the MABR reactor into a discharge bay; and introducing the water in the discharge bay and the black and odorous river course raw water into a mixing treatment device, mixing, and discharging the mixed effluent water to the original river course.

The method of deactivating pathogen in mud of city waste water treating yard belongs to the field of mud resource utilizing technology. Material refluxing method is adopted to realize the circulation of dominant fermentation colony, marketable VT bacteria is used as inducing bacteria in initial fermentation, and the ratio between the thrown amendment and refluxed material is regulated based on the property of mud. In the dynamic aerobic fermentation reactor, dynamic aerobic fermentation is performed for about 10 days to deactivate pathogen under certain ventilation and stirring conditions. The method can raise the temperature of the material to over 55 deg.c and maintain the temperature for over one week without needing outer heat source in deactivating pathogen. The method makes mud become harmless in low cost and high efficiency.

The invention provides an electric arc furnace steelmaking process with oxygen, fuel and powder common injection. Oxygen, fuel and powder input devices are combined into different injection input modules according to the volume of an electric arc furnace and a metal material structure in the furnace, and are mounted on a wall of the furnace; the oxygen, fuel and powder injection is finished by one injection input module with a water cooling function; the injection flow of oxygen and fuel and the injection type and speed of powder are determined according to demands of the steelmaking process; and the injection input module with the water cooling function is a common injection device integrating oxygen blowing, powder spraying and combustion heating functions. The process accelerates the electric arc furnace steelmaking rhythm, improves the utilization efficiency of energy sources, reduces the usage amount of a slag former, guarantees the powder injection penetrating power, enables use and maintenance of injection equipment to be relatively convenient, and solves the problems of common injection of oxygen, fuel, carbon powder and lime powder at multiple points on the wall of an electric furnace.

The invention discloses a hydraulic oxygenator for present fish pond, which is characterized by the following: the height of first fishery (32) is lower than reservoir's (1), the first connecting pipe (34) is fixed between first floater tank (8) and reservoir (1), the inlet end of first inlet pipe (6) connects outlet end of outlet pipe (35), the outlet end of first inlet pipe (6) connects inlet end of first outlet pipe (7).

The invention discloses an aquaculture pond. The aquaculture pond comprises a pond body, two oxygen supply chambers, two rail grooves, two slide tables, an oxygen supply pipe, a rotating motor, a bearing seat and an air blower, wherein the two oxygen supply chambers are arranged at the upper ends of a left pond platform and a right pond platform of the pond body respectively, slide grooves are formed in the sidewalls, facing a pond cavity, of the oxygen supply chambers, the two rail grooves are formed in the bottoms of the two oxygen supply chambers respectively, the two slide tables are arranged on the rail grooves respectively, the oxygen supply pipe comprises two end pipes and a U-shaped pipe, the two end pipes are connected with longitudinal pipe bodies of the U-shaped pipe respectively and pass through the slide grooves respectively, a transverse pipe body of the U-shaped pipe is provided with vent holes, the rotating motor is arranged on the left slide table and connected with the left end pipe, the bearing seat is arranged on the right slide table, the right end pipe sleeves the bearing seat, and the air blower is arranged on the slide table of one of the oxygen supply chambers and is connected with the end pipe positioned in the same oxygen supply chamber. The aquaculture pond has the advantage that the oxygen supply pipe is capable of swinging and moving back and forth to deliver air to different positions of water bodies in the pond cavity, so that oxygen aeration efficiency is improved.

The invention relates to a continuous laminating type aerobic fermentation system and a using method thereof. The system comprises: a fermentation tank, and a tank body structure defined by an underground tank wall, an overground tank wall and a tank bottom; a film changing machine which is used for carrying out film uncovering, film paving or film changing treatment on the functional films covering the fermentation tank and the materials in the tank; a turning machine which is used for directly turning and further mixing the materials under the film under the condition that the film is not uncovered, and gradually translating and conveying the materials to another fixed position; and a condensate collecting system which is used for continuously collecting condensate on the lower surface of the functional film in real time and guiding out the condensate. According to the invention, continuous feeding, material translation, continuous discharging and microbial inoculum timing spraying are realized through the pile turning machine; synchronous operation of film paving and film uncovering is achieved through the film changing machine, and efficient film rolling is achieved; and real-time collection, short-distance conveying and temporary storage of condensate are achieved through the condensate collection system.

The invention discloses a fresh aquatic product surviving device, which comprises a fixed base, a placement groove is opened on the top of the fixed base, a fixing rod is fixedly installed on the inner wall of the bottom end of the placement groove, and a fixing rod is arranged on the fixing rod. A shock-absorbing chamber, a spring and a shock-absorbing rod are respectively arranged in the shock-absorbing chamber, one end of the spring is fixedly connected with the bottom end of the shock-absorbing chamber, and the other end of the spring is fixedly connected with the shock-absorbing rod, and the shock-absorbing One end of the rod extends to the outside of the shock absorbing chamber. The present invention achieves the effect of shock absorption by arranging a fixed rod and a shock absorber rod on the fixed base and the main body of the survival device, thus weakening the impact of bumps on the seafood in the survival device during transportation, and supplying oxygen to the survival device through a blower, and more The setting of a canopy with holes makes the contact area between air and water larger, which increases the efficiency of oxygen supply. There is a water outlet pipe on one side of the main body of the surviving device, which can change the water of the surviving device and increase the survival rate of seafood.

The invention provides a medical intelligent robot with an oxygen breathing function. The medical intelligent robot comprises a robot base, a robot waist, a robot trunk and an intelligent processing system. A robot head is arranged on the top of the robot trunk, an LED lamp is arranged on the front side of the robot head, and a first connecting rod is arranged on one side of the robot head. A first magnet seat is arranged at one end of the first connecting rod, a protective cover mounting frame is arranged on one side of the robot trunk, and a rotating shaft is arranged on one side of the topof the protective cover mounting frame. A protective cover is mounted on the protective cover mounting frame through the rotating shaft, a second connecting rod is arranged on one side of the protective cover, and the second connecting rod is provided with a second magnet seat. A cavity is formed in the robot trunk, and an oxygen storage box is arranged in the cavity. The medical intelligent robotwith the oxygen breathing function is reasonable in design, can be used by many people at the same time, and is convenient to use.

The invention relates to the technical field of oxygen generation and oxygen supply, in particular to an intelligent oxygen supply system for a tunnel face in a plateau region. The intelligent oxygen supply system comprises an oxygen generation module, a control module, an oxygen storage module and a tunnel face oxygen supply module, wherein the oxygen generation module is installed nearby the tunnel face and used for purifying oxygen in air; the control module is used for controlling the amount of oxygen flowing into the tunnel face and the oxygen storage module; the oxygen storage module is used for storing the oxygen purified by the oxygen generation module and supplying oxygen to the tunnel face; and the tunnel face oxygen supply module is used for releasing oxygen, monitoring the oxygen content of the tunnel face, controlling the amount of oxygen flowing into the tunnel face from the oxygen generation module and controlling the amount of oxygen flowing into the tunnel face from the oxygen storage module.

The invention relates to a biomass burner and a use method. The biomass burner is arranged inside a boiler cavity, biomass fuel is scattered at the center of a stirring disc, a motor I drives the stirring disc to rotate, a plurality of stirring rods of the stirring disc lay the biomass fuel on the surface of a burning disc, meanwhile, an air supplying motor conveys high-pressure air to an air cavity tray, the concentrated bunch high-pressure air is turned into high-pressure spiral air by air uniforming protective blocks to be conveyed to a burning space inside a boiler, oxygen filling aid-combustion is performed on the biomass fuel, the burned biomass fuel is circled and blocked by an ash block when entering the burning disc step by step to perform tail burning namely the carbon burning stage, the multiple stirring rods of the stirring disc stir residue after tail burning into an ash discharging box again, and the biomass fuel residue is smashed and discharged by two residue breaking devices. The biomass burner and the use method have the beneficial effects that the problem perplexing straw fuel burning for a long time of coking, slagging and being unable to be popularized and applied is solved, the purpose of innocuous treatment is realized, and discharged flue gas reaches the standard of clean energy.

The invention relates to the technical field of water environment pollution prevention and repair, in particular to a polluted water body repair system and method. The remediation system comprises a fixing plate and a buoyancy tank, the buoyancy tank is fixed to the bottom of the fixing plate, an equipment box is fixed to the top of the fixing plate, a winding mechanism is fixed to the interior of the equipment box, the winding end of the winding mechanism penetrates through the fixing plate to be fixedly provided with a diving box, an oxygen conveying mechanism is fixed to the middle of the diving box, a mud drilling mechanism is fixed to the bottom of the diving box, and an energy storage mechanism is fixed to the top of the equipment box. The winding mechanism comprises a first servo motor, a rotating shaft, a first winding wheel, a second winding wheel, a lifting rope, an air inlet pipe, a rotating pipe, an aerator and a through hole, the first servo motor is fixed to the bottom of the inner wall of the equipment box, the rotating shaft is fixed to the output end of the first servo motor, and the first winding wheel and the second winding wheel are sequentially fixed to one end of the rotating shaft; and the lifting rope is wound and fixed on the outer side of the first winding wheel. The water body can be improved, the oxygen supply efficiency is high, the size is small, transferring is convenient, pipelines do not need to be arranged, dismounting and mounting are convenient, and placement and use are stable.

The invention discloses an industrial fan. The industrial fan structurally comprises an exhaust pipeline opening, a blade rack disc groove, a shaft driving motor, a fan shell cylinder, a bracket frame base and a filler strip plate. The blade rack disc groove is matched with the shaft driving motor, the framework effect of frost blocking fins is formed on one side of a propeller rack rod through a grating groove baffle, when a fan disc opening is driven by a rotor shaft rod to blow air to conduct airflow, frosted air and an icing layer achieve the effects of sliding block piston movement and damping cushion block friction movement through a sliding strip base block and an ellipsoidal cushion block, the phenomena of rack cooling and freezing degree relieving are formed, it is guaranteed that the oxygen supply efficiency is high in the subsequent continuous cold chain storeroom exhausting and ventilation process, the anti-frosting flexible mechanical treatment efficiency of the inner rack is high, the mechanical sensitivity of linkage of parts in the fan is effectively maintained, and the adaptation degree of cold air and hot air is flexibly adjusted.

The invention provides a small centrifugal fan. The small centrifugal fan comprises a motor, a volute and a centrifugal fan body. The volute comprises a front cover plate, a rear cover plate, a connecting plate and a flange plate. The front cover plate and the rear cover plate are connected through the connecting plate to form a cavity for accommodating the centrifugal fan, and the flange plate isarranged at an air outlet of the cavity; the outer contour of the front cover plate and the outer contour of the rear cover plate are formed by involutes with the four vertexes of the square as the circle centers, and the side length of the square and the radius of the base circle of the involutes are determined according to the size of the centrifugal fan. The included angle between the outer wall of the volute at the position where the outlet part of the volute is matched with the flange plate and the vertical direction is 5-7 degrees, and the vertical direction is perpendicular to the flange plate; an air outlet is formed in the center of the front cover plate; the motor is located on the outer side of the volute and fixedly connected with the rear cover plate of the volute, the centrifugal fan is located in the volute, and a mandrel of the centrifugal fan is arranged outside a main shaft of the motor in a sleeving mode and is positioned through a pin penetrating through the main shaft in the radial direction. The centrifugal fan is small in size and high in oxygen supply efficiency.

The invention relates to an oxygen supply device for preventing ear pressure sores in the nursing department and a use method thereof. The oxygen supply device comprises a bed body, an oxygen mask and a supporting and adjusting assembly, wherein the supporting and adjusting assembly is arranged on the bed body and can support and adjust the oxygen mask. According to the oxygen supply device for preventing ear pressure sores in the nursing department and the use method thereof, through cooperative use of the bed body, the oxygen mask and the supporting and adjusting assembly, when a patient lies on a sickbed and needs oxygen supply assisted by the oxygen mask, the horizontal direction of the oxygen mask can be adjusted through a rotating mechanism after the patient lies on the bed body; and then the height of the oxygen mask is adjusted through an ascending and descending mechanism, so that the purpose that an opening of the oxygen mask is attached to the nasal cavity of the patient as much as possible is achieved, and at the moment, the oxygen is supplied to the patient after the oxygen mask communicates with an external oxygen machine. By adopting the technical scheme, a traditional mode that the auricle part of the patient is bound and fixed through a binding belt is avoided.

The invention discloses a filtering type long pipe air supplying respirator shared by multiple persons in travel. An air blower is connected with an air purifying device; the air purifying device is connected with the atmosphere; an air outlet of the air blower is connected with an air storage chamber; a pressure sensor and an oxygen concentration sensor are arranged at the upper end of the air storage chamber; a plurality of air outlet holes are further formed in a side end of the air storage chamber; a heating device is arranged in the air storage chamber; each air outlet hole has a cylindrical structure and is provided with a switch valve; each air outlet hole is connected with a first flow adjusting valve through a hose; an outputting end of each first flow adjusting valve is connectedwith an oral-nasal mask through a coiled pipe; the top end of the air storage chamber is further connected with pure oxygen bottle; and the air storage chamber and the pure oxygen bottle are providedwith a second flow adjusting valve. The cleanness degree of entered air is improved, the temperature of provided gas is suitable, the content of oxygen is increased, treatment of emergency circumstances of people in travel is facilitated, and the filtering type long pipe air supplying respirator can be used for multiple persons simultaneously.

The invention relates to an active breathing tracking and oxygen supplying device. The active breathing tracking and oxygen supplying device acquires breathing heartbeat data of a human body through a breathing heartbeat sensor and transmits the data to a synchronous heartbeat control circuit to process, controls on and off of oxygen supply according to breathing heartbeat rate of the human body, namely closes the oxygen supply when a human exhales. Accordingly, oxygen supply efficiency is improved, so that the requirement of prolonging usage time of a portable oxygen supply bottle in high-altitude areas is met.