33results about How to "Low processing and running costs" patented technology

The method for treating waste water containing phenol which is produced in the course of producing sebacic acid includes five steps: regulation, filtration, extraction, removing phenol and isolating oil. After the phenol-containing waste water is filtered and its insoluble material is removed, in first extraction zone the high carbon alcohol is used as extraction agent to remove the organic material from waste water and effectively reduce content of phenol, the load extraction agent is fed into distillation procedure, the distilled high carbon alcohol can be reextracted and can be circularly used, and the organic material being in the waste water can be recovered in the form of high-boiling material, and the second extraction zone the mixture of phosphate and kerosene is used as extraction agent to make counter-current extraction with the phenol-containing waster water.

The invention discloses a valley-type refuse landfill series multi-partition rain and sewage shunting device and a valley-type refuse landfill series multi-partition rain and sewage shunting method. The device comprises landfill areas spaced by area partition dams, more than four landfill areas are partitioned from upstream to downstream, the landfill areas are connected in series by the same percolate guide and drainage blind ditch, a high-density polyethylene (HDPE) percolate guide duct with perforations is arranged in the percolate guide and drainage blind ditch, the refuse landfills of the landfill areas are sequentially from upstream to downstream, a percolate collecting pit is arranged at the sewage gathering bottom of the landfill area which is being filled, and a sewage submersible pump is arranged in the percolate collecting pit; and the percolate is delivered to a percolate sewage adjusting tank through the sewage submersible pump and a hose. By adopting the device and the method, the problem of rain and sewage shunting of a newly built valley-type landfill can be well solved; and the generating quantity of the sewage of the landfill is greatly reduced, so that the scale of percolate treatment equipment and facilities is reduced, a large amount of percolate and sewage treatment cost is reduced, and energy saving and emission reduction are realized.

The invention discloses an advanced treatment device and method of micropolluted organic sewage. The advanced treatment device comprises an adjusting tank, an oxidization tank, an aeration tank and a coagulation and separation tank which are communicated, wherein the upper lateral wall of the adjusting tank is provided with a water inlet valve, and the top of the adjusting tank is communicated with an acid feeding pot; the top of the oxidization tank is respectively communicated with an oxidant feeding pot and a catalyst feeding pot; the top of the aeration tank is communicated with an alkaline feeding pot; the top of the coagulation and separation tank is respectively communicated with a coagulant aid feeding pot and a water outlet pump; and the lateral wall of the lower part of the coagulation and separation tank is communicated with a sludge discharge pump. The method comprises the following steps of: (1), discharging water or micropolluted water into the adjusting tank; (2) addingacid to the adjusting tank; (3) adding hydrogen peroxide to the oxidization tank, respectively adding catalysts and stirring; (4) feeding alkaline into the aeration tank for aeration; (5) adding a coagulant aid to the coagulation and separation tank; (6) separating water and flocculent bodies; and (7) removing sludge from the separated flocculent bodies and separating water for recycling to obtain the advanced treatment circulating process of the organic sewage. The invention has the advantages of simple structure, running reliability, low cost and convenience for operation.

The invention discloses a power plant variable-load coal-fired furnace desulfurization wastewater zero-discharge system which comprises an adjustable low-temperature flue gas waste heat recycling system device, a desulfurization wastewater evaporation and concentration system using waste heat as a heat source, a desulfurization wastewater pretreatment system and a system for finally treating concentrated desulfurization wastewater to zero discharge. The system has the beneficial effects that the influence of furnace load adjustment automatically performed by most power plant coal-fired furnaces along with power grid load change on a furnace tail flue gas waste heat recovery device and a desulfurization flash evaporation concentration system can be conveniently adapted through system adjustment, so that the waste heat recovery system and the low-temperature flash evaporation concentration system are integrally stable in operation; by automatically adjusting the temperature difference between the wall surface temperature of the waste heat recovery device and the temperature of the flue gas, the waste heat exchange amount is basically unchanged, a higher energy-saving effect is achieved, the waste heat of the flue gas is fully utilized, desulfurization wastewater does not need to be subjected to dosing pretreatment, and the wastewater treatment operation cost is reduced.

The invention belongs to the technical field of monitoring of petrochemical wastewater and particularly relates to a complete set of online monitoring and control system for petrochemical wastewater.The system comprises a controller, a timing module and a detection module, wherein the timing module is coupled with the controller; the detection module comprises a chromaticity sensor, a flow sensor, a temperature sensor and a pH sensor, and the pH sensor is connected with the controller and transmits a pH value signal to the controller; the system also comprises a storage device, and the storage device stores flow, temperature, time and pH parameters detected by the detection module and is connected with the controller. Efficient treatment of the petrochemical wastewater is realized, the wastewater treatment process can be monitored, the performance, reliability, flexibility and operation efficiency for wastewater treatment can be improved according to monitoring results, and the wastewater treatment load is increased.

The present invention discloses a quartz sand purification system without the washing procedure. The quartz sand purification system without the washing procedure comprises an acid pickling device, a filtering device, a drying device and a finish machining device, and quartz sand materials are sequentially transferred among the acid pickling device, the filtering device, the drying device and the finish machining device; the drying device comprises a fluidized bed dryer, a material inlet of the fluidized bed dryer is connected with a stock bin, and a material outlet is connected with a collecting bin. A hot air inlet of the fluidized bed dryer is sequentially connected with a heating furnace, an air blower and an air filter, a hot air outlet is sequentially connected with a cooler, a multi-stage dust removal device, a multi-stage water absorption device and an acid mist absorption tower through pipelines, and a gas outlet of the acid mist absorption tower is communicated with the atmosphere. According to the invention, deacidification in a washing process can be satisfied, a large amount of environmental protection and production investment are saved, water and wastewater treatment operation cost is saved, production cost is reduced, and an impurity removal effect can be further achieved in a fluidized bed drying process.

The invention discloses an anaerobic ammonia oxidation reactor. The anaerobic ammonia oxidation reactor comprises a reactor barrel body and a circular flow guiding barrel, wherein a liquid inlet is formed in the upper portion of a flow pushing assembly in the circular flow guiding barrel; an upper flow guider assembly is arranged on the upper portion of the liquid inlet; a lower flow guider assembly is arranged on the lower portion of the circular flow guiding barrel; a sewage inlet tube is arranged on one side of the reactor barrel body; an anaerobic ammonia oxidation mycoderm carrier fillerregion is arranged in the reactor barrel body; a plurality of three-phase separators are symmetrically arranged on the top of the upper flow guider assembly; a sewage outlet is formed in the bottom ofthe reactor barrel body, and communicates with a water inlet of a circulating pump; a water outlet pipe of the circulating pump communicates with a serpentine pipe in a water-bath pre-heating tank; and a water outlet pipe of the serpentine pipe communicates with a water inlet pipe. The anaerobic ammonia oxidation reactor is high in treatment efficiency, large in sewage impact load resistance, lowin running cost and high in equipment integration degree, and runs stably.

The invention discloses a full valence state application integrated wastewater treatment method integrating catalysis, oxidation, reduction and coagulation and belongs to the field of wastewater treatment. The invention aims at providing the full valence state application integrated wastewater treatment method integrating catalysis, oxidation, reduction and coagulation, which has the advantages oflow cost, simple operation and good treatment effect. The full valence state application integrated wastewater treatment method integrating catalysis, oxidation, reduction and coagulation, disclosedby the invention, comprises the following steps: adding iron scraps or other ferrous metal scraps into to-be-treated wastewater and adding an oxidant for catalytic oxidation; adding the iron scraps orother ferrous metal scraps again, and adjusting the pH value for flocculent precipitation. The full valence state application integrated wastewater treatment method integrating catalysis, oxidation,reduction and coagulation, disclosed by the invention, can control the addition of raw materials according to the demands of wastewater treatment, and adjust the yield of (ferrous) iron ions, so thatthe sludge yield is reduced to the greatest extent while the demands of treatment are met.

The dual-axis tracking solar lighting device with symmetrical linear slides is designed to solve the technical problems of small scale, high cost and low benefit existing in the existing solar lighting tracking equipment. It is characterized in that the daylighting device frame (8) is connected with the carrying crossbar (3) through a hinge (9); the crossbar (3) slides along the linear slideway through the universal link mechanism (4) and (5), ( 6), (7) are driving devices; another slideway (11) on the daylighting device frame (8) is connected with the upright column (10) through the universal link mechanism (12), so that the daylighting device frame placed on it is connected to the upright column (10). (8) Realize the linkage change of warp and weft angle. The horizontal tracking drives the vertical tracking integrated linkage operation, and can be combined with multiple rows of symmetrical structural units to achieve large-scale multiple groups of daylighting racks to track the sun at the same time; the processing and operating costs are low, and it is suitable for large structure production.

The invention relates to a device and method for simultaneously removing sulfur and mercury through paper-pulping black liquor. In a reaction tower, a screen plate is arranged in the position corresponding to the position below each atomizing nozzle; a perforated plate is further arranged in the reaction tower. The device cooperates with black liquor to remove sulfur and mercury in flue gas, in order to improve the sulfur and mercury removing efficiency, the black liquor can be quenched and tempered in advance, and an oxidization agent is added in the black liquor for dilution. On the screen plates, the flue gas makes contact with a liquid membrane to form bubbles, the liquid membrane is broken, small liquid drops are generated again, and the gas and liquid contact possibility is increased; when the flue gas passes a liquid inlet guide pipe, the gas and liquid contact area and the gas and liquid contact probability are further increased; when the flue gas makes contact with the black liquor, sulfur and mercury are diffused in a gas phase body without resistance and then enter the liquid membrane; sulfur and mercury are absorbed by the black liquor, gaseous sulfur and mercury become liquid sulfur and mercury, molecular diffusion is performed in the liquid membrane, Hgp is adsorbed by a solution, meanwhile, components in the black liquor are diffused to a gas phase from a liquid phase, soluble complex components of S2-, X2- and OH- are also transferred into the gas phase, and oxidizing separation is performed after contact.

In order to further improve the treatment efficiency of septic tanks reaching standards, the invention provides a filtering pipeline type septic tank reaching standards. The filtering pipeline type septic tank is mainly composed of an excrement residue tank, a water collecting tank, a clean water tank and a filtering pipeline tank, wherein the excrement residue tank is provided with pipeline typegrids; the water collecting tank is provided with a sewage lifting pump; the clean water tank is provided with a backwashing pump; the filtering pipeline tank is positioned above the excrement residuetank, the water collecting tank and the clean water tank; and the filtering pipeline tank is at least divided into two grids, each grid of the filtering pipeline tank is provided with a group of or multiple groups of filtering pipelines, and the filtering pipelines are mutually communicated through filtering pipeline connecting pipes. Pollutants in sewage are removed through biological contact oxidation, anaerobic biochemical reaction, aerobic biochemical reaction as well as filtration and precipitation action in the facilities.

The present invention discloses a wastewater treatment method, including the following steps: a. adding natural composite material water treatment agent; b. pressurizing and aeration treatment; c. coagulating and flocculation; d. bio-degrading in aerobic aeration tank; e. sludge dewatering treatment; and f. separating dewatered sludge and recovering natural composite material water treatment agent. Said invention not only can reduce cost for treating waterwater, but also possesses high efficiency for removing various pollutants, does not produce secondary pollution and can change sludge into resource to make utilization, and can recover natural composite material water treatment agent, so that it is applicable to purification treatment of industrial wastewater and domestic wastewater.