44results about How to "Improve oxygen use efficiency" patented technology

A concentrate burner for feeding a pulverous concentrate mixture and reaction gas into a reaction shaft of a flash smelting furnace. The concentrate burner includes a feeder pipe for feeding a concentrate mixture into the reaction shaft and a dispersing device for directing dispersing gas to the concentrate mixture flowing around the dispersing device. For feeding the reaction gas into the reaction shaft, a gas supply device is provided which includes a reaction gas chamber for mixing the reaction gas with the concentrate mixture, and for directing the concentrate mixture to the side by the dispersing gas. The reaction gas chamber includes a turbulent flow chamber, to which an inlet channel opens tangentially for directing the reaction gas to the reaction gas chamber in a tangential direction. In the inlet channel, an adjusting member is arranged for adjusting the cross-sectional area of the reaction gas flow.

The invention discloses an oxygenation system with a pressure type and a non-foam membrane type and a method thereof. In the system, a regulating pond is connected with a flocculation subside pond and an oxidation reaction pond; membrane type of non-foam aeration oxygenators are respectively connected with the flocculation subside pond and the oxidation reaction pond; a hydraulic distributor is arranged on the bottom of the oxidation reaction pond. The method of the invention comprises the processes: raw water flows into the flocculation subside pond through the regulating pond; supernatant of the flocculation subside pond flows into the membrane type of non-foam aeration oxygenator automatically or by a pump; water non-foam oxygenated when flows on the membrane surface flows into the bottom of an activity mud oxidation reaction pond through a membrane type of non-foam aeration oxygenation pond and the hydraulic distributor; as rolling flow is formed by the effect of hydraulic flow, the method plays an effect of mixture stirring simultaneously. The oxygenation method of non-foam membrane type is characterized by simple technology, low energy consumption, small occupied area and high application effect of oxygen, etc. The oxygenation method is specially suitable for updating and transforming of the activity mud aeration pond (aerobic oxidation reaction pond) in the technology of wastewater processing.

The invention relates to the field of sewage treatment, in particular to a water treatment system for decentralized sewage treatment in villages and towns. A water treatment system for decentralized sewage treatment in villages and towns, the system includes: a pretreatment system, an automatic oxygenation type bio-transfer film treatment device, and an advanced treatment system; the pretreatment system is sequentially connected by a grid and a preconditioning tank Composition; the automatic oxygenation type biological transfer film treatment device; the advanced treatment system is formed by connecting a fixed biological bed and a disinfection pool. The distributed sewage treatment system has strong adaptability and is widely applicable to scattered point sources of sewage in various places.

The invention provides a biological filter tank for wastewater treatment. The biological filter tank comprises a tank body that comprises a first tank body and a second tank body; wherein the bottomsof the first tank body and the second tank body are communicated, a transverse filler frame for fixing filler is arranged in the first tank body, a transverse aeration pipe is arranged on the lower portion of the transverse filler frame; the transverse filler frame is arranged on a communication part, and long-handle filter caps are uniformly arranged on the lower surface of the filler; the secondtank body comprises three groups of vertical packing frames, packing is fixed through the vertical packing frames, the thickness of the middle vertical packing frame in the three groups of vertical packing frames is 1.5-2 times that of the vertical packing frames on the two sides, and the water passing resistance of the packing in the middle vertical packing frame is smaller than that of the packing in the vertical packing frames on the two sides; turbulent flow stirring blades and vertical aeration pipes are arranged on the two sides of the middle vertical packing frame. Thebiological filtertank is simple in structure, low in equipment energy consumption and good in purification effect, and can be used at the rear end of a sewage treatment process for fine treatment of purified water.

The invention discloses a double-phase sewage treatment system comprising a 1# reservoir, a 1# lift pump, an anaerobic pulse reaction tank, a 2# reservoir, a 2# lift pump and an aerobic pulse reaction tank, wherein the 1# reservoir is connected with the anaerobic pulse reaction tank by virtue of the 1# lift pump, the anaerobic pulse reaction tank is connected with the 2# reservoir, and the 2# reservoir is connected with the aerobic pulse reaction tank by virtue of the 2# lift pump. The double-pulse sewage treatment system disclosed by the invention is compact in structure, small in floor area, high in oxygen utilization efficiency and high in pollutant removal rate, also has a relatively good treatment effect on livestock and poultry breeding sewage with relatively high influent concentration, improves the utilization rate of oxygen in sewage treatment, effectively reduces the running cost of sewage treatment equipment, and can be applied to treatment of municipal sewage, rural centralized domestic sewage, livestock and poultry breeding waste water and industrial waste water.

The invention belongs to the field of wastewater treatment, and particularly relates to an automatic aeration-type biological membrane transfer device. The automatic aeration-type biological membrane transfer device disclosed by the invention comprises a water channel, a water inlet, a sludge outlet, and a water outlet, wherein the water inlet and the water outlet are located at the lower side of the center line of a spindle, and distributed in a diagonal line on the water channel; the water inlet, the sludge outlet and the water outlet are arranged at different sides of the water channel; the device also comprises a rotating ring; the rotating ring is arranged inside the water channel through a rotating shaft; and the rotating ring is connected with a drive device. The automatic aeration-type biological membrane transfer device adopts a form of the rotating ring, drives the rotating ring to rotate by virtue of rotation of the rotating shaft, alternatively and fully contacts the air and sewage, and carries out oxygen transfer and mass transfer movement. The automatic aeration-type biological membrane transfer device is integrated with the characteristics of large hang membrane area of an elastic solid filler, high processing load, strong impact resistance and the like, and has the advantages of being simple in structure of a biological turntable, low in construction cost, simple to run and maintain, and the like.

The invention provides a water purification system, belonging to the field of water treatment. The water purification system comprises an oxygenation device and a microbial carrier device, wherein the oxygenation device comprises an air compressor, a magnetic assisted cyclone gas dispersion pipe and a gas inlet pipe connected between the air compressor and magnetic assisted cyclone gas dispersion pipe; the microbial carrier device comprises a floating barrel, a basalt fiber carrier and a concrete precast block; the upper and lower ends of the basalt fiber carrier are respectively connected with a floating ball and the concrete precast block; and the basalt fiber carrier is suspended in water. Sewage forms abundant gas bubble flow after passing through the magnetic assisted cyclone gas dispersion pipe, and submarine aboriginal microbes are attached to the basalt fiber carrier and perform massive reproduction. The water purification system can increase the dissolved oxygen concentration in the water body and the aboriginal microbial biomass in water. The microbubbles are utilized to oxidize the sediment and reduce the endogenous pollution, and the microbes on the carrier are utilized to degrade the pollutants in the water body, thereby implementing efficient and quick purification of the pollutants in the closed water body.

The embodiment of the invention discloses a method for treating wastes. The method comprises the following steps: a. obtaining the upper aeration environment in a bioreactor, setting the aeration times and the time of every aeration, and carrying out upper aeration treatment; b. after completing upper aeration for the set aeration times, detecting the pH value of percolate in the bioreactor; c. stopping upper aeration when the pH value of the percolate is more than 7, collecting methane generated in the bioreactor, and executing the next step after completing collection; d. resetting the aeration times and the time of every aeration when the pH value of the percolate is less than 7, then carrying out upper aeration treatment and returning to the step b; d. restarting and executing upper aeration once and degrading the wastes. The embodiment of the invention also discloses a system for treating wastes. By adopting the method and system disclosed by the embodiment of the invention, the problems that the methane yield is reduced when the upper aeration frequency is relatively high and the waste treatment time is relatively long when the upper aeration frequency is relatively low in the prior art are solved.

The invention discloses a compound blast and aeration system that is applied in a biological contact oxidation system; the system is arranged under filler, and comprises a liftable tube-type catenaries suspension Millipore aerator and fixed perforation tube-type aeration device; the liftable tube-type catenaries suspension Millipore aeration device is arranged under the filler, and the fixed perforation tube-type aeration device is arranged under the liftable tube-type catenaries suspension Millipore aerator. The advantage of high oxygen utility ratio of the liftable tube-type catenaries suspension Millipore aerator is organically combined with the advantages of high scour intensity and easy regeneration of biomembrane of the fixed perforation tube-type aeration device, so as to lead the whole system to maintain the characteristics of high oxygen transfer rate, strong biomembrane activity, etc. The technology is convenient to implement, and the management and maintain are simpler; andthe system has larger development space in the field of a biological contact oxidation aeration system.