32results about How to "Enough dissolved oxygen" patented technology

The invention discloses a solar-driven micro-power artificial wetland sewage treatment device. It includes a water inlet, a filling area, an aeration tube, a plant area, a water outlet, an aerator, a battery, and a solar panel. The water inlet is set on one side wall in the upper middle of the device body, and the other side wall is set Outlet, the body of the device is provided with an aeration pipe, a filling area, and a plant area in sequence from bottom to top, and the aeration pipe, aerator, battery, and solar panels are connected in sequence. The lower layer consists of three layers of small bean stone. The beneficial effects of the present invention are as follows: ① the device can obtain sufficient dissolved oxygen through aeration, and strengthen the contact between the organic matter in the pool and the microorganisms and dissolved oxygen, thereby ensuring that the microorganisms in the pool can oxidize the organic matter in the sewage under the condition of sufficient dissolved oxygen; Decomposition. ② Through the combination of solar power generation and aeration tube, solar energy becomes the initial energy source of the sewage mixing system, reducing operating costs.

The invention discloses a multi-layered stereoscopic and composite tortoise and turtle high-efficient culturing system comprising a greenhouse, culturing pools, a greenhouse warming system, an aeration oxygenation device, a tortoise vegetable/turtle vegetable symbiotic system, a solid-liquid separation system and an intelligent forage releasing system. The greenhouse is divided into an internal layer and an external layer; a framework is in a truss structure; each greenhouse is provided with two culturing pools; a sunshield surface and a sunward surface of each culturing pool are co-existed; a heat source of the greenhouse warming system is heat produced during biomass combustion; and the aeration oxygenation device is arranged on two sides of a middle isle of the culturing pools. With a single-pipe multi-branch structure, a plurality of aeration points are provided; the tortoise vegetable/turtle vegetable symbiotic system is a multi-layered stereoscopic structure and contains a multi-layered culturing bed; the solid-liquid separation system can separate solids and liquid in sewage water of the culturing pools; and the solid wastes can be discharged to a dirt discharging pool and liquid flows back the culturing pool. The multi-layered stereoscopic and composite tortoise and turtle high-efficient culturing system is advantaged by energy conservation, environment protection, high efficiency and low cost.

The invention relates to the technical field of wastewater treatment and discloses a gas and liquid mixing apparatus, which includes an aeration box body, a first transporting pipeline, a plurality of aerators, a fan blower, a triggering mechanism, an exhaust pipe, a drainage pipe, a drainage valve, and a control module. The aeration box body is provided with an aeration chamber. A wastewater inlet and a triggering water falling outlet are formed on the aeration box body, wherein the triggering water falling outlet is lower than the wastewater inlet. The first transporting pipeline is connected to the wastewater inlet and is used for feeding wastewater into the aeration chamber. A first triggering opening is formed in the first transporting pipeline and is provided with a filter screen. The aerators are disposed in the aeration chamber and are communicated with the fan blower. The fan blower is arranged on the outer wall of the aeration box body. The gas and liquid mixing apparatus can perform aeration to the wastewater in the aeration chamber timely.

The invention pertains to the bio-engineering technical field, disclosing a fermentation method of alcohol with high concentration. The invention overcomes the shortages of low fermentation efficiency and long fermentation time, etc., of the existing alcohol fermentation technique. The invention adopts the steps that: bacteria-free air is introduced at the first stage; after 8 to 30 hours fermentation, material and fermentation agent are added under the temperature of 25 to 35 DEG C, oscillated or stirred with a rotation speed of 10-500r/min for 50 to 66 hours; the high concentration alcohol is made, and the volume concentration of the alcohol in the fermentation liquid is up to 16 to 18 percent. The invention can fast and effectively produce the high concentration alcohol.

The invention discloses a semi-submersible aquaculture platform used in a deep open sea. The semi-submersible aquaculture platform in the deep open sea comprises a control room and a platform frame, wherein a central vertical post is arranged in the center of the platform frame; a plurality of buoying pillars and a plurality of peripheral vertical posts are arranged in the circumferential direction of the central vertical post; the buoying pillars and the peripheral vertical posts are arranged at intervals; each buoying pillar comprises a buoy at the upper part and a buoy vertical post at the lower part. The semi-submersible aquaculture platform in the deep open sea is provided with a plurality of buoys, so that enough buoyance is provided for the platform in the running process; the peripheral buoys are uniformly arranged in the circumferential direction of the platform, so that the stability of the platform is improved; the buoys are positioned at the upper half part of the platform, so that the buoyant center of the platform is always higher than the gravity center of the platform is ensured, and under the actions of wave, a water flow and other environmental loads, even if the platform has a relatively large inclination angle, the platform can be still restored to a balanced position under the action of torque formed by the buoyance.

The invention belongs to the field of fishery breeding, and particularly relates to an automatic feeding device for a photovoltaic fishpond and a using method of the automatic feeding device. The automatic feeding device comprises a photovoltaic support arranged in the pond; a blocking sleeve capable of sliding up and down along the photovoltaic support is arranged on the photovoltaic support; thetop end of the blocking sleeve is fixedly connected with an air blowing ring capable of blowing air to the pond; the bottom end of the air blowing ring communicates with a plurality of air bags; thetop end of the air blowing ring is provided with a plurality of spray heads capable of being controlled to be opened or closed according to air pressure changes; the photovoltaic support is provided with a fish luring lamp controlled by the blocking sleeve to work; and the photovoltaic support is provided with a feeding box controlled by the blocking sleeve to conduct feeding. The two problems oflow dissolved oxygen content in the photovoltaic fishpond due to reduction of aquatic plants and influence on growth of small fishes due to the fact that the small fishes have difficulty in obtainingfood can be solved at the same time by utilizing changes of air flow and pressure intensity.

The invention provides a rainwater treatment device, comprising a rainwater collecting tank, a high efficiency fine filtration device, an aeration balance box and a clear water collecting box, whereinthe upper side wall of the rainwater collecting tank is rotatably connected with a tank cover; a detachable grille board is fixedly installed on the inner wall of the rainwater collecting tank; the rainwater collecting tank is internally provided with a first lift pump; a water outlet end of the first lift pump is communicated with a first diversion pipe; an input end of the high efficiency finefiltration device is connected with the end, far away from the rainwater collecting tank, of the first diversion pipe; the first diversion pipe is provided with a first electromagnetic valve.

The invention relates to a high-efficiency dissolved oxygen stirrer of a fermentation tank, wherein the stirrer is arranged in the fermentation tank and comprises a stirring shaft, and the stirring shaft is installed at an inclined angle with respect to the central axis of the fermentation tank; or the stirring shaft is mounted offset from the central axis of the fermentation tank; alternatively,the stirring shaft is offset from the central axis of the fermentation tank and mounted at an inclined angle with respect to the central axis. The high-efficiency dissolved oxygen stirrer of the fermentation tank of the invention greatly reduces the electric energy consumption and saves the production cost under the condition that the dissolved oxygen degree of the stirrer is comparable to that ofthe existing stirrer.

The invention relates to the technical field of foam drainage wastewater treatment, and discloses an electrocatalytic oxidation treatment method for foam drainage gas production wastewater, which comprises the following steps: s1, collecting the foam drainage gas production wastewater into a collecting tank, and then carrying out precipitation treatment; s2, a homogeneous receiving tank: introducing the settled sewage into the homogeneous receiving tank, recovering free oil obtained at the upper part through gravity separation, storing the free oil in a dirty oil recovery tank, and collecting other bubble drainage water; s3, coagulating sedimentation: introducing the treated foam drainage water into a coagulation device for coagulation treatment; and s4, treatment with an electrolytic oxidation pond. According to the method, high-salt-tolerance microorganisms are adopted to carry out biochemical treatment on the soaking drainage water. The treatment process is simple, the energy consumption is low, and various substances in the bubble drainage water can be thoroughly treated. In addition, through cooperative use of a poke rod and a spiral sheet, stirring and mixing of mixed wastewater are realized, and the mixing effect of the device is improved.

The invention relates to a movable sewage purification floating island device. The movable sewage purification floating island device comprises a floating island, a driving device and a fixing device, the driving device comprises four driving units, and each driving unit comprises a driving motor, a transmission assembly of the driving motor, a driving shaft and a propeller; the fixing device comprises fixing anchors, chains correspondingly connected with the fixing anchors respectively, a winding roller device installed on the floating island and connected with the chains, and more than one group of chain clamping devices arranged beside the winding roller device and used for clamping or loosening the corresponding chains wound on the winding roller device. The device can be arranged in a pond, a lake or a small river and used for planting aquatic plants capable of purifying sewage so as to achieve the sewage purification effect on a water body, the driving device capable of driving the floating island to move is arranged on the movable sewage purification floating island device, the movable sewage purification floating island device can be fixed through the fixing anchor of the fixing device, the problem that the mobility of the floating island is poor can be effectively solved, and the movable sewage purification floating island device can be moved to different positions of a water body according to needs for sewage purification, and has the advantage of high automation degree.

The invention discloses a treatment method for a desorption liquid by a process of deeply treating adsorption resin by coking wastewater and relates to the technical field of treating of the adsorption resin desorption liquid. The treatment method comprises the following steps: conveying adsorption resin desorption liquid deeply treated by the coking wastewater into a regulating tank to regulate a pH value of an intermediate liquid with to be 7-8, and then, conveying the intermediate liquid into a reaction tank, adding a ferrous sulfate liquid and hydrogen peroxide into the reaction tank to carry out aeration reaction; and after reacting for 6-8 hours, detecting that the chemical oxygen demand of the liquid in the reaction tank is smaller than 500mg/L and the chromaticity of the liquor in the reaction tank is smaller than 850PCU. Compared with the prior art, the ferrous sulfate liquid and the hydrogen peroxide are added to perform Fenton reaction to produce strong oxidizing substances, so that the non-biodegradable organic pollutants are oxidized into easily-biodegradable substances, the chemical oxygen demand and the chromaticity of the adsorption resin desorption liquid deeply treated by the coking wastewater are greatly lowered, the biodegradability is improved and the treatment cost is low.

The invention discloses a seven-segment deep denitrification biochemical treatment method, and belongs to the field of sewage treatment. The seven-segment deep denitrification biochemical treatment method comprises a water inlet channel, a hypoxic precondition zone, an anaerobic zone, an anoxic zone, an MBBR (Moving Bed Biofilm Reactor) aerobic zone, a low dissolved oxygen aerobic zone, a postposed anoxic zone, a postposed aerobic zone and a water outlet channel, wherein the water inlet channel is separately communicated with the anoxic zone, the anaerobic zone and the hypoxic precondition zone through a water inlet of the anoxic zone, a water inlet of the anaerobic zone and a water inlet of the hypoxic precondition zone; the MBBR aerobic zone is communicated with the low dissolved oxygenaerobic zone through a rectangular water through hole formed in the upper part of one side of a baffle wall between the MBBR aerobic zone and the low dissolved oxygen aerobic zone; the MBBR aerobic zone is internally provided with guide walls and bottom perforated aerator pipes, and suspended carriers are added in the MBBR aerobic zone. The seven-segment deep denitrification biochemical treatmentmethod disclosed by the invention overcomes the defect of insufficient deep denitrification effect in the prior art, and can be applied to upgrading and reconstruction of an existing sewage treatmentfacility having higher denitrification requirements and construction of new facilities.

The invention discloses sewage treatment equipment and a using method thereof, relates to the technical field of sewage treatment, and aims to solve the problem that existing sewage treatment equipment cannot reuse treated sludge. A diffusion pipe is arranged on one side of the lower part of an aeration tank; a sewage inlet is formed in the upper end of the aeration tank; an aeration pipe is mounted in the middle of the interior of the aeration tank; a settling tank is arranged on one side of the aeration tank; a water body detection sensor is mounted in the settling tank; a slurry compressoris arranged at the rear end of the settling tank; a drying tank is arranged at the rear end of the slurry compressor; a heating roller is mounted in the drying tank; a spiral blade is arranged outsidethe heating roller; a hydrocyclone is arranged on one side of the settling tank, an adsorption tank is arranged on one side of the hydrocyclone, a plurality of atomization nozzles are arranged belowa water collecting disc in an annular array mode, and coke and granular activated carbon are arranged in the middle of the interior of the adsorption tank.

The invention provides a toilet sewage treatment device. The toilet sewage treatment device comprises a device body, a water inlet and a water outlet, the device body comprises a shell, a primary sedimentation tank, an aeration tank, a sedimentation tank, a disinfection tank and an aerator, the primary sedimentation tank, the aeration tank, the sedimentation tank and the disinfection tank are all arranged in the shell, the primary sedimentation tank and the disinfection tank are arranged at the two ends in the shell respectively, and the aerator is arranged in the shell. The aeration tank and the sedimentation tank are adjacent to the primary sedimentation tank and the disinfection tank respectively, and the aerator is fixedly connected to the bottom of an inner cavity of the aeration tank; the water inlet is formed in one side of the primary sedimentation tank, the water outlet is formed in one side of the disinfection tank, a filter screen is fixedly connected to the inner wall of the primary sedimentation tank, the bottom of the filter screen and the bottom of an inner cavity of the primary sedimentation tank are located on the same horizontal plane, and the tops of the primary sedimentation tank, the aeration tank, the sedimentation tank and the disinfection tank are all communicated with air outlet pipes. The toilet sewage treatment device provided by the invention has the advantages of energy conservation and good treatment effect.

The invention discloses a water environment ecological restoration system which comprises a front-stage cavity, a back-stage cavity, a front-stage water inlet pipe, an aeration component, a front-stage water and gas collecting pipe, a back-stage water and gas inlet pipe and a back-stage water and gas collecting pipe; the front-stage cavity and the back-stage cavity are separated side by side; a filler filled with microorganisms is charged in each of the front-stage cavity and the back-stage cavity; the front-stage water inlet pipe and the aeration component are arranged at the bottom of the front-stage cavity; the front-stage water and gas collecting pipe is arranged on the top of the front-stage cavity; the back-stage water and gas inlet pipe is arranged at the bottom of the back-stage cavity; the front-stage water and gas collecting pipe and the back-stage water and gas inlet pipe are communicated with each other through a pipeline; and the back-stage water and gas collecting pipe isarranged in the back-stage cavity and leads to the external of the back-stage cavity. The water environment ecological restoration system saves the equipment and operation costs, and can fully utilize the condition that water, gas and the microorganisms can fully contact with one another with a little kinetic energy to solve the problem of flowing water microorganism river treatment, achieves thepurposes of quickly eliminating black and odor as well as rapidly eliminating sludge and pollutants, enables organisms to be restored and realizes the effect of replacing desilting with pollution control. The water environment ecological restoration system can be applied to water environment ecological restoration treatment.

The invention discloses a multistage biological fermentation system. One end of a first-stage feeding pipeline extends to the bottom in a first-stage fermentation tank from a feeding hole in the upperpart of the first-stage fermentation tank; one end of a second-stage feeding pipeline is communicated with a discharging hole in the bottom of the first-stage fermentation tank; the other end of thesecond-stage feeding pipeline penetrates through a feeding hole in the upper part of the second-stage fermentation tank and extends to the bottom in the second-stage fermentation tank; one end of a third-stage feeding pipeline is communicated with a discharging hole in the bottom of the second-stage fermentation tank; the other end of the third-stage feeding pipeline penetrates through a feeding hole in the upper part of the third-stage fermentation tank and extends to the inner bottom of the third-stage fermentation tank; a return pipeline and a discharge pipeline are respectively arranged ata discharging hole in the bottom of the third-stage fermentation tank; and the other end of the return pipeline is communicated with a feeding hole in the upper part of the second-stage fermentationtank. According to the system, multi-stage automatic continuous culture is realized, the production efficiency is improved, and each stage of fermentation tank is designed according to the fermentation conditions of each stage of fermentation stage, so that each stage of fermentation effect reaches the optimal state.