30results about How to "Emission clean" patented technology

The invention relates to a desulphurization and dust removal integrating flue gas purification device and a desulphurization and dust removal integrating flue gas purification method. The device comprises an absorption tower, wherein a wet desulphurization system and a water-washing deep dedusting system are sequentially arranged in the flue gas flowing direction in the absorption tower. The glue gas enters the absorption tower; after being desulphurized by the wet desulphurization system, the flue gas enters the water-washing deep dedusting system to be deeply cleaned and washed, so that dust concentration in the flue gas and the concentration of dissolving salt in outlet fog drops are reduced, and SO2 and SO3 are also removed to certain degree; finally, the flue gas enters a chimney, cleaning emission is realized, desulphurization and dust removal are integrated, and the flue gas is exhausted without causing pollution.

The invention discloses a waste gas treatment emission device for factories. The device comprises an inhaling and conveying rack, a settling tank, a spray plate, a dust storage bin, an electrostatic adsorption plate, an adsorption table, an activated carbon rotary table, a roasting plate, an emission pipe, a suction plate, a motor, a fan, a slide supporting column, a suck-filtration hole, a slide groove, telescopic spray racks, a rotary rail, a transmission volution, an activated carbon suction nozzle and burning frames. The device has the beneficial effects that the suction plate is used for sucking and filtering factory waste gas in a sliding manner on the slide supporting column, so that the waste gas can be absorbed comprehensively and completely; dust in the waste gas can be settled by spraying of the settling tank; a plurality of telescopic spray racks are used for constantly spraying the waste gas, so that the dust settling efficiency is quick and complete; and particles in the waste gas are electrostatically adsorbed, so that the waste gas can be comprehensively adsorbed and purified; and the waste is combusted and filtered through a plurality of burning frames, the waste can be cleanly emitted, and the environmental friendliness of emission can be guaranteed. The device is convenient to operate, and the components are connected flexibly.

The invention discloses a haze reducing and white smoke eliminating tower for flue gas. The haze reducing and white smoke eliminating tower comprises tower shell and an internal assembly, wherein thetower body is divided into a haze reducing part on the lower portion and a heating part on the upper portion, the heating part and the haze reducing part use the position of a separation plate a as adividing line, a water storage zone, a desulfurization flue gas inlet zone, a washing zone and a defogging zone are sequentially arranged from bottom to top in the inner cavity of the tower shell, a heating zone is arranged above the separation plate a, a heat exchange pipe is arranged in the heating zone, the heating zone and a purified flue gas outlet zone are separated by a separation plate b,and the defogging zone and the purified flue gas outlet zone are communicated by the heat exchange pipe cavity. According to the present invention, desulfurized flue gas sequentially subjected to hazeremoving and white smoke eliminating so as to achieve clean emission.

The present invention relates to a single gun oil-gas recovery separator, which is characterized by at least comprising a filter cylinder, a gas inlet joint and a connection joint, wherein an accumulation filtration unit is fixed inside the filter cylinder, the accumulation filtration unit is packaged in the filter cylinder through the upper cover and the lower cover by both ends of the filter cylinder, the upper cover is connected with the gas inlet joint, the lower cover is connected with the connection joint, the gas inlet joint and the connection joint are arranged on both ends of the filter cylinder, the gas inlet joint, the filter cylinder, the accumulation filtration unit and the connection joint form a first filtration body, and the separated gas-liquid enters from the gas inlet of the gas inlet joint and is discharged from the connection joint. The single gun oil-gas recovery separator has characteristics of low cost, simple structure and good process, wherein the existing recycling equipment is completely utilized so as to reduce the engineering cost.

The invention discloses a central air purification dust removal system. The central air purification dust removal system comprises a desulfuration dust removal tower. A smoke inlet is formed in the lower portion of the desulfuration dust removal tower, and a smoke outlet is formed in the upper portion of the desulfuration dust removal tower. The central air purification dust removal system further comprises a lime water tank and a settling tank. A sprayer is arranged on the upper portion in the desulfuration dust removal tower, filler layers distributed at intervals in a staggered mode are arranged at the position, located below the sprayer, in the desulfuration dust removal tower, the lime water tank and the sprayer are connected through a lime water pipeline, an exhaust pipeline communicated with the interior of the settling tank is arranged at the bottom of the desulfuration dust removal tower, and a supernatant recovery pipeline communicated with the interior of the lime water tank is arranged on the upper portion of the settling tank. The central air purification dust removal system is very suitable for being used under the working conditions that the smoke exhaust amount of industrial waste gas is large and the smoke flow speed is high, dust and sulfur dioxide in smoke can be efficiently removed, the smoke can be exhausted cleanly, installation and use are convenient, and cost can be reduced.

The invention discloses a method for combined heating and power of an aluminum oxide plant. On the basis of a traditional gas turbine combined cycle combined heating and power system, appropriate craft adjustment is carried out, and the power and the fume exhaust parameters of a gas turbine are determined according to the requirements of a high-pressure digestion system. The method for combined heating and power of the aluminum oxide plant has the advantages that for an aluminum oxide high-pressure digestion system, it can be achieved that heating and power are both given consideration to andare balanced, and isolated network operation can be achieved; and meanwhile, on the aspects of energy saving and environmental protection, compared with the situation that a traditional aluminum oxideplant owns a thermal power plant for fire coal, the gas turbine combined cycle combined heating and power system has the advantages of being higher in comprehensive thermal efficiency, cleaner in exhausted fume, smaller in occupied area and the like.

The invention discloses a high-activity biological waste gas purification tower, comprising a tower body, wherein, the top of the tower body is provided with a clean air outlet; the bottom of the tower body is provided with a water tank and an exhaust gas inlet; a main control system is arranged at the side part of the water tank; the interior of the tower body is divided into an upper layer, a middle layer, and a lower layer, the upper layer is an aerosol separating layer, the middle layer is a bioactive exhaust gas washing layer, the lower layer is an ultramicro atomization purifying layer, and the position orders of the bioactive exhaust gas washing layer and the ultramicro atomization purifying layer can be adjusted; the ultramicro atomization purifying layer is provided with atomization catalysts and communicated with the exhaust gas inlet; the aerosol separating layer uses metal polyhedron balls as the filler and is communicated with the clean air outlet; the ultramicro atomization purifying layer is connected with the water tank through a transfer line, and the transfer line is provided with a control valve. According to the invention, exhaust gas is processed by using the combination of ultramicro atomization and washing, and multitime purification and aerosol separation, thus the advantages of good purification effect and low energy consumption of the system are achieved.

The invention provides a control method for an engine starting system. The control method includes the steps that: 1, when an engine starts, an electronic control unit controls an air jet guide rail assembly to supply hydrogen fuel to the engine and ignite to start up; 2, after then engine starts, the electronic control unit detects the operating time of the engine in real time, when it is detected that the operating time of the engine is time T, the electronic control unit control the air jet guide rail assembly to close and control an oil jet guide rail assembly to open, wherein the time T is the operating time of the engine when a three-way catalyst reaches an initiation temperature. According to the control method for the engine starting system, the hydrogen is adopted as the fuel of the starting system of the engine, so that the problem that the engine is difficult to start under the low temperature environment is solved, and meanwhile the ECU (Electronic Control Unit) switches a fuel supply system according to the operating time of the engine when the three-way catalyst reaches the initiation temperature, thus further reducing discharge of pollutant when the engine starts.

The invention discloses a desulfurization and dust removal system for clean emission of flue gas, which comprises a flue gas washing system and a discharge system of the desulfurization system. The desulfurization system is composed of an absorption tower, a desulfurizer preparation and a circulation system; The water supply system is composed of the cooling washing tower as a water spray tower, and the flue gas is dedusted and cooled twice in the spray tower; the flue gas discharge system includes an exhaust flue and a chimney, and the cleaned flue gas is finally discharged through the chimney. The invention has good desulfurization and dust removal effects, and can eliminate the problem of "white smoke" caused by flue gas. The invention also solves the problem of secondary pollution in the desulfurization process, and provides help for reducing and eliminating smog.

The invention relates to a novel energy-saving environment-friendly trolley furnace. Aworkflow is as follows: 1) putting a special superfine structural isostatic pressing isotropic graphite green ware into a steel barrel, putting the steel barrel onto a trolley and putting the trolley into a roasting furnace; 2) feeding fuel gas and hot air into a combustor, introducing the fully combusted hot air into the furnace through a pipeline and uniformly stirring the hot air in the furnace by a stirring fan; 3) returning the hot air in the furnace and the volatile components discharged from the product to the combustor through a draught fan, recycling the hot air, fully combusting the volatile components discharged from the product in the combustor and reusing the generated heat; 4) when the hot air pressure in a kiln exceeds the standard, exchanging heat through a waste heat air pipeline and then discharging clean air, and preheating air entering into the combustor by a heat exchanger; and 5) taking out the trolley and completing the electrode manufacturing. According to the invention, the temperature in the furnace is uniform; the maximum temperature difference does not exceed 12 DEG C; the accurate temperature control can be realized; the instant temperaturedifference does not exceed 0.5 DEG C; andthe roasting of the special superfine structural isostatic pressing isotropic graphite can be realized.

The invention discloses a haze reducing and white smoke eliminating tower for flue gas. The haze reducing and white smoke eliminating tower comprises tower shell and an internal assembly, wherein a water storage zone, a desulfurization flue gas inlet zone, a washing zone, a defogging zone and a heat exchange zone are sequentially arranged from bottom to top in the inner cavity of the tower shell,and are communicated, a washing device is arranged in the washing zone, a defogging device is arranged in the defogging zone, and a heat exchange pipe bundle is arranged in the heat exchange zone. According to the present invention, raw flue gas is heated, washed and purified by the heat exchange pipe bundle to obtain desulfurized flue gas, and finally the desulfurized flue gas is subjected to haze removing and white smoke eliminating so as to achieve clean emission.

The invention relates to an oil-water mixed combustion device of an internal combustion engine. The oil-water mixed combustion device is characterized in that a circulating heating pipe which is connected with a radiator of the internal combustion engine in series is arranged in a preheating water tank; the preheating water tank is connected with a steam generator by virtue of a suction pipe, anda metering pump and an electromagnetic valve are installed on the suction pipe; the steam generator is a sealing member and is welded to the front section of an exhaust pipe of the internal combustionengine, a water level sensor and a temperature sensor are installed on the steam generator, an air inlet of the steam generator is accessed to the front end of a Venturi pipe by virtue of a connecting pipe and an air pressure balancing valve, and the back end of the Venturi pipe is connected with an air outlet of the steam generator by virtue of a steam pipe; and a front end opening of the Venturi pipe is installed in an air inlet pipe of the internal combustion engine, and a back end opening of the Venturi pipe is connected with a front end opening of an air inlet manifold of the internal combustion engine. According to the oil-water mixed combustion device, long-term experiments prove that when a certain proportion of water steam is added to air in an air inlet process of the internal combustion engine, the internal combustion engine can be promoted to generate secondary combustion, so that the combustion process of the internal combustion engine is stable, and the oil-water mixed combustion device has the advantages of high energy efficiency and cleanness in discharge.