7results about How to "Realize purification" patented technology

An aeration tank and a sewage treatment system are characterized in that an anoxic regulation and control mechanism and an aerobic regulation and control mechanism are arranged in an aeration tank body, the anoxic regulation and control mechanism can create an anoxic environment around the anoxic regulation and control mechanism so that the area becomes an anoxic section, and the aerobic regulation and control mechanism creates an aerobic environment around the aerobic regulation and control mechanism so that the area forms an aerobic section; in the process that sewage flows along the channel, the sewage sequentially passes through the anoxic zone and the aerobic zone, in the anoxic zone, most nitrate radicals and nitrite radicals in the sewage are reduced into nitrogen by denitrifying bacteria in activated sludge, and nitrogen elements in the sewage are removed; in the aerobic section, most ammonium nitrogen in the sewage is converted into nitrate and nitrite by nitrifying bacteria in the activated sludge, and nitrogen in the sewage is further converted and removed; the denitrification effect of the anoxic section and the nitrification effect of the aerobic section are synergistically carried out, so that nitrogen elements in sewage can be more effectively removed, the denitrification efficiency is greatly improved, up-to-standard discharge of the sewage is ensured, and eutrophication pollution to a water body is reduced.

The utility model relates to dust recovery technical field especially prebaked anode production workshop dust centralized recovery equipment, including dust collecting tank, still including clean scraper and cleaning brush, the upper end of dust collecting tank is provided with the tank cover, the upper end fixedly connected with the air outlet pipe of tank cover, the rear end fixedly connected with the fan of air outlet pipe and located the upper end of tank cover, the front end fixedly connected with the air inlet pipe of dust collecting tank, the lower end fixedly connected with the partition in dust collecting tank, the upper end of partition rotatably connects with rotating seat, the utility model discloses through the use of clean scraper and cleaning brush, cleaning brush high frequency microvibration, the rotating filter screen cylinder is completely swept, effectively cleans the sticky dust attached to the surface of filter screen cylinder, and the dust is swept to the partition, and the rotating seat synchronous drive clean scraper rotates and scrapes the partition, and the dust is scraped into the dust collecting pipe, realizes the centralized collection of dust, and the degree of automation is high, and the overall flexibility is good, and the efficiency of cleaning dust removal is improved.

The utility model belongs to the technical field of flue gas purification devices, and discloses a garbage incinerator flue gas purification device which comprises an incinerator body, a purification bin and a purification assembly, the incinerator body is used for garbage incineration, the purification bin is communicated with the incinerator body and used for flue gas purification and emission, and the purification assembly is communicated with the purification bin. The purification assembly comprises a flow guide part, a reaction part, an ammonia spraying grid, a flow dividing part and a flow dividing bin, the flow guide part is communicated with the purification bin, the flow guide part is sleeved with the reaction part, the ammonia spraying grid is connected to the purification bin, the flow dividing part is communicated with the ammonia spraying grid, the flow dividing bin is communicated with the flow dividing part, and the flow dividing part is communicated with the flow dividing bin. The concentration of nitric oxide in flue gas can be effectively reduced, so that purification treatment of the flue gas is achieved, the total emission amount of pollutants is reduced, it is guaranteed that no pollution is caused to the environment, and the healthy living environment of surrounding residents is guaranteed.

The utility model discloses a wastewater treatment mechanism of a steam thermal cracking furnace, which comprises a bottom plate, and the bottom plate is provided with a coagulation tank, a settling tank, a clear water tank I, a sand filter tower, a carbon filter tower, a softening machine and a clear water tank II which are sequentially connected through liquid guide pipes; the coagulation tank is connected with a liquid inlet pipe; the liquid inlet pipe is used for conveying wastewater generated after oil-water separation into the coagulation tank; the coagulation box is connected with a flocculating agent adding mechanism and a first PH adjusting mechanism, and the flocculating agent adding mechanism is used for adding a flocculating agent into the coagulation box; the first PH adjusting mechanism is used for increasing the PH value of the wastewater, so that the wastewater is weakly alkaline; the clear water tank I is connected with a second PH adjusting mechanism, and the second PH adjusting mechanism is used for reducing the PH value in the wastewater; the device further comprises a controller, and the flocculant adding mechanism, the first PH adjusting mechanism and the second PH adjusting mechanism are all electrically connected with the controller. According to the utility model, the wastewater subjected to oil-water separation is subjected to coagulating sedimentation, filtration, softening and PH regulation, so that the wastewater reaches the discharge standard, and the environmental pollution is avoided.

The application discloses a method for preparing high-purity sodium chloride from chlor-alkali wastewater, wherein a reducing agent is added to the chlor-alkali wastewater, and the mixture is stirred at 10-20 rps for 20-30 min to obtain a reduction treatment solution; free residual chlorine is removed; then, a pH regulator is used to adjust the pH value of the reduction treatment solution; and high-purity sodium chloride is obtained through evaporation crystallization. In the application, formic acid is used as the reducing agent, and the formic acid reduction method is used to remove free residual chlorine, and the removal efficiency can reach 83%-99%; meanwhile, the formic acid can effectively neutralize a large amount of hydroxyl ions in the wastewater, so that the pH value is reduced, which is beneficial to the evaporation of sodium chloride in the crystallization process. The application further processes the solution from which the free residual chlorine is removed, and high-purity sodium chloride is prepared. The application simultaneously realizes the treatment and purification of the chlor-alkali wastewater and the recycling of resources, and has the advantages of simple operation, high efficiency and the like.

The application discloses superhigh-temperature tin residue regenerating integrated equipment and relates to the technical field of metal smelting.The equipment comprises a bottom plate, an installation assembly and a control assembly are arranged on the top outer wall of the bottom plate, a smelting box is connected to the installation assembly, a cooling box is connected to the control assembly, the cooling box contains cooling liquid, the smelting box is square, the cooling box is cylindrical, an electric heating block is arranged on the bottom inner wall of the smelting box, the electric heating block is located at the middle position of the smelting box, and the electric heating block is matched with the smelting box.In the application, the temperature of the electric heating block is adjusted according to the melting points of the metals contained in tin residue in sequence, the molten metal liquid is introduced into a cooling groove after the melting of one kind of metal, the control assembly drives the rotation of the cooling box to drive the rotation of the cooling groove, different cooling grooves are convenient to replace, the operation is simple, the use is convenient, compared with a traditional device, the metals in tin residue can be separated and regenerated in sequence, the renewable utilization of the metals is realized, and metal waste is prevented.

The utility model discloses a hopper device and an automatic metering scale, the hopper device comprises a hopper assembly, an air suction assembly and a swivel mechanism, and the hopper assembly surrounds a feeding port to form a dust collection space with a lateral opening; the air suction assembly is used for supplying air into the dust collection space; the rotating ring mechanism comprises a driving assembly, a rotating ring and a dust collection pipe, the rotating ring is rotatably arranged in the dust collection space and seals the lateral opening, the dust collection pipe is arranged on the rotating ring, one end of the dust collection pipe communicates with the dust collection space, the other end of the dust collection pipe faces the feeding port, and the driving assembly is arranged on the hopper assembly and used for driving the rotating ring to rotate; therefore, the air around the hopper device is purified.