51results about How to "Improve the efficiency of dissolved air" patented technology

The invention discloses a gas dissolving device, and in particular relates to a gas dissolving device capable of combining pipe flow and vortex. The gas dissolving device capable of combining pipe flow and vortex is long in water flow path, small in air bubbles, large in gas solubility, high in gas dissolving efficiency, simple in structure and easy in equipment maintenance; and the gas dissolving device comprises a pipe flow gas dissolving tank and a vortex gas dissolving tank, wherein the pipe flow gas dissolving tank comprises a barrel, an inner ring sintering metal micropore pipe, an outer ring sintering metal micropore pipe, a spiral guide plate, an upper press plate, a lower support plate, a pipe flow tank air inlet pipe, a pipe flow tank water inlet pipe and a pipe flow tank water outlet pipe; and the vortex gas dissolving tank comprises a combined barrel, a top cover, an umbrella-shaped guide plate, a vortex tank water inlet pipe, a vortex tank water outlet pipe and a vortex tank air inlet pipe.

The invention relates to an unpowered microbubble water device. The unpowered microbubble water device comprises a dissolved air tank and a dissolved air releaser. The water inlet of the dissolved air tank is used for being connected with a water pipe for the tap water with pressure larger than 0.15 MPA. A groove which is opposite and adjacent to the spray opening of a spray nozzle is formed in the dissolved air tank, wherein the size of the groove is matched with the size of the spray opening of the spray nozzle. A plurality of flow limiting holes are formed in a flow limiting piece in the dissolved air releaser. By ingeniously utilizing the pressure of the tap water itself and the groove matched with the spray opening, the high turbulence degree can be achieved for water flow entering the groove, the liquid film thickness of one side of an air and liquid phase interface is reduced, the mass transfer coefficient is increased, the total area of the air and liquid phase interface is enlarged, and therefore the air dissolving efficiency can be obviously improved; by means of the flow limiting piece where multiple holes are distributed, the water in the unit volume is dispersed, air release is sufficient, and the bubble water outlet effect is good. Thus, under the compression-pump-free condition, the microbubble water can be obtained as well by improving the air dissolving efficiency and the air release sufficiency, and therefore the unpowered microbubble water device which is small in size, low in cost and free of noise is provided for people.

The invention discloses a method and device for continuously preparing high-concentration ozone water. The method comprises the steps that an ozone water generation tank is vacuumized and then filled with ozone gas; water enters an elliptical rotary spray head arranged in the ozone water generation tank through a booster pump and is sprayed into an ozone generation tank to efficiently dissolve the ozone gas; ozone water in the ozone water generation tank is kept within a set liquid level range, impurity gas accumulated on the upper portion of the ozone water generation tank is regularly exhausted, and continuous generation of the high-concentration ozone water is achieved. The method is simple, low in equipment cost and easy to achieve and can be implemented by adopting a common commercialized ozone gas generation device. Compared with a conventional ozone mixing and gas dissolving method, the method has the advantages of being high in gas dissolving efficiency, low in energy consumption, free of loss in ozone gas, high in prepared ozone water concentration and the like. According to the method, usage of an ozone decomposer is avoided, the equipment is simple, and the high-concentration ozone water can be massively and continuously prepared.

The invention relates to a swirling aggregation air flotation degreasing column, which comprises a lower air flotation column, an upper air flotation column and a swirling dissolved air tank, wherein a swirling air flotation oil collection tank, a floating residue discharging port, a swirling air flotation column outer cylinder, a center swirling air flotation column, a water distribution pore plate, a support pipe, an egg tray shaped disk sheet aggregation filler, a support pipe and an aggregation inclination plate filler are arranged in the upper air flotation column, the swirling air flotation column outer cylinder is connected to the swirling dissolved air tank, a baffle, a dissolved air release device, a separation plate, a sludge collection cone cylinder, a water purification area, a water outlet, a dissolved air water outlet and a venting port are arranged in the lower air flotation column, the dissolved air release device is communicated to the swirling dissolved air tank, the bottom portion of the sludge collection cone cylinder is provided with a precipitation cylinder, the bottom portion of the precipitation cylinder is communicated to the water inlet of the center swirling air flotation column, the precipitation cylinder is communicated to the water purification area, the water purification area is communicated to the lower air flotation column, and the dissolved air water outlet is connected to the swirling dissolved air tank. According to the present invention, the swirling aggregation air flotation degreasing column has advantages of simple structure, high degreasing efficiency, high suspended solid removal efficiency, fine and uniformly-dispersed air bubbles, and the like.

The invention discloses a gas dissolving device for improving gas dissolving efficiency of wastewater treatment by using electromagnetic shear field. The device comprises a shell; a plurality of electrode plates are distributed in the shell side by side; the electrode plates are alternately divided into two groups; and the two groups of electrode plates are equipped with electric connecting lines. The device also comprises an EM module pulse power system comprising an L-C resonant constant current charging circuit, a two-level charge and discharge circuit, a pulse width modulator and a pulse compression circuit. The invention uses magnetic shear field (electromagnetic shear narrow pulse) to act on cluster structure of water molecules and pollutants in wastewater, change the physical and chemical properties of wastewater, and improve the efficiency of gas dissolving and reaction speed of chemical and biochemical reaction; under the same efficiency, the device can lower energy consumption by more than 50%; besides, the device has a volume only 1 / 10 of a gas dissolving device in the prior art, thus saving a lot of raw materials.

The invention belongs to the technical field of sewage treatment and is used for solving the problem of low gas dissolution efficiency in the existing aerator. The invention relates to a high-efficiency energy-saving stirring aerator for cable production sewage treatment, which comprises a drive motor, wherein the drive motor comprises a shell, a stator assembly and a rotor assembly; the rotor assembly comprises a motor shaft; the motor shaft is connected with a rotating shaft; the lower end of the rotating shaft is connected with a dispersion disk; the lower part of the dispersion disk is provided with a gas distribution pipe; a plurality of cambered diversion strips are uniformly arranged on the upper surface of the dispersion disk; the lower surface of the dispersion disk is provided with a screw blade; the bottom surface of the screw blade is provided with a plurality of diversion holes; and the screw blade is provided with a perforated through hole. The aerator has the characteristic of high gas dissolution efficiency.

The invention provides an ozone adding device used in a sewage treatment process. The device comprises a dissolved air tank and an ozone treatment tank, and the dissolved air tank and the ozone treatment tank are connected through a water inlet pipe; a water inlet of the dissolved air tank is connected with a sewage pipe, an ozone recovery assembly is further arranged above the sewage pipe, an ozone adding pipe is arranged in the ozone treatment tank, and the ozone recovery assembly is connected with the ozone adding pipe; a sewage inlet pipe is further connected with a jet device, the jet device is connected with an air inlet pipe, and an included angle smaller than 90 degrees is formed between the axis of the air inlet pipe and the axis of the jet device body. According to the ozone adding device used in a sewage treatment process, the jet device of which the inner wall is provided with a baffle plate which is of a spiral structure and protrudes inwards is provided. Sewage rotates under the action of the threads, disturbance of fluid near the inner wall face of the jet device is enhanced, and ozone gas fed into the jet device through the ozone feeding pipe can be taken away in time by liquid moving in a rotating mode.

The invention discloses a three-stage air dissolving device for micro-nano air floatation, and belongs to the technical field of environment-friendly water treatment. The device comprises a tank body, a flow guide mixing water inlet pipe is arranged in the tank body, the flow guide mixing water inlet pipe is divided into two sections which are respectively arranged inside and outside the tank body, and a plurality of vertical water distribution pipes are arranged at the tail end of the flow guide mixing water inlet pipe in the tank body. A plurality of vertical water distribution pipes are arranged at the tail end of the flow guide mixing water inlet pipe in the tank body, air holes are formed in the tops of branch pipes, a plurality of transverse seams are formed in the side walls, projection has a certain angle, liquid forms a water curtain through the transverse seams and makes full contact with a gas layer on the upper portion of the tank body, the gas-liquid interface updating frequency is high, and gas dissolution is accelerated; a gas inlet is formed in the flow guide mixing water inlet pipe arranged outside the tank body, gas is primarily mixed and dissolved in the flow guide mixing water inlet pipe, redundant gas is discharged into a gas layer in the pipe through a gas hole in the top end of the vertical water distribution type pipe, and the gas dissolving efficiency can be effectively improved through three-stage gas dissolving arrangement and a water curtain water mode.

The invention belongs to the technical field of sewage processing, and is used for solving the problem of low efficiency of gas solution in the current aeration machine. The stirring aeration machine comprises a driving motor, the driving motor comprises a casing, a stator assembly and a rotor assembly, the rotor assembly comprises a motor shaft, a rotating shaft is connected to the motor shaft, a dispersion plate is connected to the lower end of the rotating shaft, a gas distribution pipe is arranged at lower part of the dispersion plate, multi-strip arc diversion strips are uniformly arranged on the upper surface of the dispersion plate, the lower surface of the dispersion plate is a plane which enables inclination to a horizontal plane, a spiral blade is arranged on the lower surface of the dispersion plate, several diversion apertures are arranged on the lower bottom of the spiral blade, and a through hole is opened on the spiral blade. The stirring aeration machine has high efficiency of gas solution, bubbles capable of solving with water can be discharged rapidly, and efficiency of gas solution can be increased.

The invention discloses a sterilizing and dissolving device for sewage treatment, which comprises a device body, the device body is mainly composed of a sewage inlet, a sewage outlet, an air compressor and an aeration plate; the sewage inlet extends to the device body A universal joint is connected inside, and the bottom of the universal joint is connected with a sprinkler head. The inside of the sprinkler head is provided with a plurality of spiral drainage grooves. The bottom of the device body is fixedly equipped with a first overflow groove. A second overflow groove is provided, and a third overflow groove is arranged in the second overflow groove; a rotating shaft is vertically arranged in the body of the device, and the first overflow groove, the second overflow groove and the third overflow groove There is a sliding plate in the overflow tank, and the first fine hole is set on the sliding plate. The device does not need external power to make the nozzle rotate, which increases the amount of dissolved air and saves energy. The sewage in the device is divided into water curtain and fountain. This form is in contact with the air in the device, which greatly improves the air-dissolving efficiency of the sewage and facilitates the subsequent sewage treatment.

The invention provides an efficient dissolved air flotation machine. The air flotation machine mainly comprises two air dissolving systems, an oil receiving pool, a mud scraping system and an output pump. A mud scraping machine of the air flotation machine adopts a stainless steel inner liner, a framework and a nylon chain, the strength of the chain is enhanced, and electric sparks are not easily generated. The air flotation machine is provided with an oil storage pool, and the technological process is reduced. The air flotation machine initiates double air dissolving systems, so that energy is saved, the processing effect can be improved, and the spare air dissolving system exists during breakdown maintenance. The air dissolving system of the air flotation machine are additionally provided with an air intake flow meter and an adjusting valve, so that the function of automatic adjustment of a gas liquid ratio can be realized, and the air dissolving efficiency is improved. An air dissolving tank of the air flotation machine is additionally provided with an automatic air exhausting device, so that the air dissolving effect is always kept in the best position. The sump oil and sludge systems of the air flotation machine share one pump for outputting, the cost is reduced, and the space is saved.

The invention discloses sewage treatment equipment which is box-type equipment; an air floatation box (1), a volcanic rock filler box (2), a biological filter material filler box (3), an anthracite filler box (4) and a clear water box (5) are arranged in a box body in the water flow direction, and a water inlet (6) is formed in one side of the air floatation box (1) and connected with a water inlet pipe; a water outlet (7) is arranged on the bottom, on the same side of the water inlet, of the clear water box (5), and a dissolved air pump (8) is arranged on one side of the air floatation box (1); a bubble dispersing disc and the clear water box (5) are respectively connected to the bottom of the air floatation box (1); a backwashing water inlet area (9) is arranged on one side, opposite tothe water inlet (6), of the box body; and a backwashing water inlet pipe (10) is arranged at the bottom of the backwashing water inlet area (9). The equipment disclosed by the invention can be mountedon a bank close to a sewage outlet, treats domestic and industrial sewage discharged from a sewage outlet by utilizing the combination of air floatation and multiple filtering fillers, has the effects of removing suspended matters, degrading ammonia nitrogen, phosphorus and organic matters and the like, improves the water quality and then discharges the sewage into a river channel.

The invention belongs to the technical field of sewage treatment, and discloses a rapid-separation aerator for cable production sewage treatment, wherein the aerator is used for solving the problem that an existing aerator can only make a small volume of gas dissolved. The aerator comprises a driving motor. The driving motor comprises a machine shell, a stator assembly and a rotor assembly. The rotor assembly comprises a motor shaft which is connected with a rotating shaft. A scattering plate is connected with the lower end of the rotating shaft. An air distribution pipe is matched with and arranged on the lower portion of the scattering plate. A plurality of arc-shaped diversion strips are evenly arranged on the upper surface of the scattering plate. A stirring device is arranged on the lower surface of the scattering plate. The stirring device comprises a conical base. The bottom face of the base is upwards connected to the lower surface of the scattering plate. A stirring piece is connected to the outer wall of the base. The central axis of the base is located on the plane where the stirring piece is located. A plurality of through holes are formed in the stirring piece. By means of the aerator, small bubbles dissolved in water can be discharged in time, the bubbles can be conveniently broken subsequently, the gas dissolving efficiency is improved, and then the sewage treatment effect is improved.

The invention discloses a method and a device for intermittently preparing high-concentration ozone water. The method is as follows: vacuumize the ozone water generating tank and fill it with ozone gas, then water enters the variable-diameter nozzle provided in the ozone water generating tank through a booster pump, and sprays into the ozone water generating tank in the form of micron-sized droplets The ozone gas is efficiently dissolved in the tank; finally, the residual ozone gas is completely dissolved through the internal circulation of the water in the ozone water generating tank to obtain high-concentration ozone water. The method of the invention is simple, the equipment cost is low, and it is easy to implement, and can be implemented by using a common commercial ozone gas generating device. Compared with the conventional ozone mixed gas-dissolving method, the invention has the advantages of high gas-dissolving efficiency, low energy consumption, no loss of ozone gas, and high concentration of prepared ozone water. The invention adopts the method of generating tanks for ozone water, has no residual ozone gas, avoids the use of an ozone tail gas decomposer, has simple equipment, and can prepare high-concentration ozone water on a large scale.

The invention discloses a gas dissolving device for improving gas dissolving efficiency of wastewater treatment by using electromagnetic shear field. The device comprises a shell; a plurality of electrode plates are distributed in the shell side by side; the electrode plates are alternately divided into two groups; and the two groups of electrode plates are equipped with electric connecting lines. The device also comprises an EM module pulse power system comprising an L-C resonant constant current charging circuit, a two-level charge and discharge circuit, a pulse width modulator and a pulse compression circuit. The invention uses magnetic shear field (electromagnetic shear narrow pulse) to act on cluster structure of water molecules and pollutants in wastewater, change the physical and chemical properties of wastewater, and improve the efficiency of gas dissolving and reaction speed of chemical and biochemical reaction; under the same efficiency, the device can lower energy consumption by more than 50%; besides, the device has a volume only 1 / 10 of a gas dissolving device in the prior art, thus saving a lot of raw materials.

The invention relates to a vertical air dissolving device. The vertical air dissolving device comprises an upright air dissolving pipe, wherein the upper end and the lower end of the air dissolving pipe are sealed through flanges; a water inlet is arranged at the upper part of the air dissolving pipe; a water outlet is arranged at the lower part of the dissolved air pipe; an air inlet is arrangedon the air dissolving pipe; the vertical air dissolving device also comprises a residual air collecting unit which is fixedly arranged in the air dissolving pipe and comprises a vertical pipe and a transverse pipe assembly; the transverse pipe assembly is arranged by crossing of a plurality of transverse pipes which mutually communicate with each other at a center position; air inlets are denselydistributed on the vertical pipe and the transverse pipes; the outer end of each transverse pipe is fixedly arranged on the inner wall of the air dissolving pipe; the cross center of the transverse pipe assembly communicates with the vertical pipe; an air storage cover is arranged at the top part of the air dissolving pipe and fixedly connected with the air dissolving pipe through a flange; an airstorage cavity is arranged between the air storage cover and the flange; the top part of the vertical pipe penetrates through the flange and extends into the air storage cavity; and an exhaust unit is arranged at the top end of the air storage cover. According to the invention, redundant air in the air dissolving pipe is collected, and the air dissolving efficiency is improved.