69results about How to "Reduce soot content" patented technology

There is provided a method for producing fatty acid alcohol ester useful as a substitute fuel for light oil in which an ester interchange reaction between fats or oils and alcohol is carried out in a reactor 1 by applying ultrasonic irradiation at a frequency of 15 to 100 kHz and irradiation intensity of 0.5 to 20 W/cm² in the presence of a catalyst, followed by an application of ultrasonic irradiation at a frequency of 200 to 3,000 kHz and irradiation intensity of 0.5 to 20 W/cm² to the reaction product in a separation tank 4 to separate fatty acid alcohol ester and glycerol. Such ultrasonic irradiation in the separation tank 4 may be applied to an interface between fatty acid alcohol ester and glycerol.

Embodiments for controlling exhaust gas turbines are provided. In one embodiment, a method for controlling a turbocharger arrangement of an internal combustion engine, the turbocharger arrangement having at least a first exhaust-gas turbine and a second exhaust-gas turbine arranged downstream of the first, and an exhaust-gas aftertreatment system being arranged downstream of the second exhaust-gas turbine comprises, in a warm-up mode, controlling at least one exhaust-gas turbine so as to increase an inlet temperature of an exhaust-gas flow at the inlet into the exhaust-gas aftertreatment system. In this way, the exhaust-gas aftertreatment system may be rapidly heated.

The invention discloses an intelligent drainage and mining method of a coalbed methane well and intelligent drainage and mining equipment of a coalbed methane well immersed pump. The intelligent drainage and mining method is realized as follows: in the pumping and sucking process, liquid the water quality of which confirms to requirements is supplied for underground liquid by a set flux when a liquid replenishing condition is met so that the height and the descent speed of an underground liquid level as well as the viscidity and the output of the underground liquid all confirms to the normal drainage and mining requirement. The drainage and mining equipment comprises a drainage and a water replenishing device; the water replenishing device consists of a water supply device and a water replenishing pipe, wherein the water supply flow of the water supply device is controlled by a control cabinet, the water replenishing pipe is connected with a water outlet of the water supply device, andthe outlet of the water replenishing pipe is arranged near an underground immersed pump. The intelligent drainage and mining method and equipment can continuously replenish, release and drain liquidaccording to the well condition, thereby solving the problems that a submergible motor is easy to burn out due to deteriorative radiating condition and the pump is easy to clamp and burn due to viscidliquid under the conditions that the liquid supply of a coalbed methane reservoir is lowered, the coal ash content of liquid is increased and the tonnage is lower; in addition, the periods for sand bailing and pump inspection are prolonged.

The invention relates to the technical field of gasification furnaces, and in particular to a composite biomass staged gasification furnace. The furnace comprises a furnace body; a fire grate is fixedon the side wall of the lower part in the furnace body; a space below the fire grate is a slag cavity; an ash discharge port is formed in the side wall of the furnace body corresponding to the slag cavity; a filter screen is also fixed on the inner wall of the furnace body; the filter screen is positioned above the fire grate; a fine filter is fixed to the top wall of the interior of the furnacebody, a feeding mechanism is fixed to the outer side of the furnace body, a primary filtering mechanism is fixed to the feeding mechanism and connected with the feeding mechanism through a feeding pipe, and the primary filtering mechanism is connected with the upper portion of the side wall of the furnace body and a fine filtering mechanism through a first air pipe and a second air pipe. Accordingto the composite biomass staged gasification furnace, the content of tar and smoke dust in fuel gas is greatly reduced, the fuel gas quality is improved, equipment is protected, the filtered tar is returned to the furnace again to be subjected to high-temperature cracking to generate small molecular fuel gas, then the fuel gas generation efficiency is improved again, and the tar generation amountis reduced.

The invention relates to a biological alcohol ether fuel. The biological alcohol ether fuel is totally free from fossil fuel, prepared by combining the biological alcohol ether resource or coal chemical industry alcohol ether resource and biological fatty oil and can replace gasoline, diesel oil, boiler fuel oil and oil for ships. 50-70% of methanol (or ethanol), 20-40% of dimethyl ether (or diethyl ether, methylal and the like), 3-7% of IPB (or isopropanol), 1.27-7.27% of normal butanol, 0.09-0.11% of castor oil, 0.1-0.3% of rape seed oil, 0.005-0.015% of pentafluoride butane, 0.01-0.03% of ferrocene, 200.2-200.6% of tween are added to a pressure vessel and evenly mixed to form a basic alcohol ether fuel, the basic alcohol ether fuel is used as the main raw material to be further blended into the biological alcohol ether fuel which can replace gasoline and diesel oil for vehicles, the boiler fuel oil and the oil for ships according to different uses. The biological alcohol ether fuel is a low-carbon oxygen-containing fuel which features clean combustion gas and obviously reduced soot.

The invention belongs to the energy source circulating reuse field and discloses a boiler flue gas reuse method, which integrates the boiler flue gas use and the clean pulping production improved wood, namely using the fume of the boiler and the cogeneration boiler, through the electro dedust to remove the dust in the fume, as one of the hot wind source of the centrifugal spray drying means to produce the improved wood, realizes the utilization of the fume remaining heat. Meanwhile in the spray drying process, the sulfur dioxide, the nitric oxides in the fume are adsorbed and used in the spray drying means of the improved wood, which advances the quality of the improved wood, purifies the boiler off gas, to make the boiler fume standard discharge develop waste cyclic utilization means, and reduce the pulping paper making and the off gas contamination.

The invention relates to a horizontal mobile grate gasifier, which comprises a furnace body with a grate and an air supply device. The air supply device consists of a primary air supply pipe and an upper-layer air supply pipe, the primary air supply pipe is connected with a plurality of air chambers and is arranged below the grate, the upper-layer air supply pipe is arranged on the two sidewalls of the furnace body and is communicated with the inner chamber of the furnace body, the rear part of the furnace body is provided with a flue gas channel, the rear end of the flue gas channel is connected with the combustor of a boiler, a flue gas circulating pipe which is connected with the rear part of the combustor communicates circulating flue gas and the upper-layer air supply pipe to form a mixed gas channel, the mixed gas channel and a steam pipe respectively extend into the air chamber and the cavity of the furnace body through a primary air Venturi pipe and a secondary air Venturi pipe; and mixed gas can flow to the front side of the combustor of the boiler through a gas mixing fan. The invention has the advantages of reducing Ringelman black and smoke emission, allowing the use of coal raw materials which are each to be coked, expanding the flexibility of the boiler use and the diversity of operating modes, and realizing the online real-time control and adjustment of parameters of steam output variables, grate operation and gasification dosage, thereby achieving the best operating conditions.

The invention discloses a high-efficiency garbage incinerator which comprises an incinerator body, a feeding port and a soot collection box. The feeding port is arranged at the top of the incinerator body and communicated with the inside of the incinerator body, two guide grooves are formed in the feeding port, obliquely mounted on the side wall of the feeding port and arranged oppositely, a fire grate, an incineration net and a rotating knife are arranged inside the incinerator body, the rotating knife is positioned right below the feeding port, an auxiliary motor is mounted on the outer wall of the incinerator body, the rotating knife is fixed on an output shaft of the auxiliary motor, and the incineration net is positioned above the fire grate. The rotating knife is arranged in the incinerator body to break garbage entering the incinerator body; by driving the motor to rotate the incineration net, garbage falling onto the incineration net is enabled to be uniformly laid, so that the garbage is ensured to be burned sufficiently; by arranging a baffle plate and the soot collection box, soot content in discharged smoke is greatly reduced; soot is collected in a centralized manner, so that labor intensity of workers is reduced.

Disclosed is a biomass particle fuel clean combustion stove. The biomass particle fuel clean combustion stove is composed of a combustion stove body and a smoke water heat exchanger which are arranged in parallel, and is characterized in that a liner is divided into a fuel combustion chamber, a vaporizing chamber and an ash accumulating chamber through an upper cover plate, a flame stabilization plate, an upper stove grate and a lower stove grate; a feeding pipe arranged at the bottom of a feeding bin penetrates through the lateral wall of an outer cover and the lateral wall of the liner, and is inserted in the vaporizing chamber from outside to inside in an inclined mode; a primary air inlet is formed in the outer lateral side of an ash discharge drawer; a secondary air inlet is formed in the lower portion of the peripheral lateral wall of the outer cover; air vents are formed in the lower portion of the peripheral lateral wall of the combustion chamber of the liner; a smoke duct is arranged on the upper portion of the lateral wall of the combustion chamber of the liner. The biomass particle fuel clean combustion stove ensures that biomass particle fuel is completely and stably vaporized and is complete in combustion and high in temperature, improves combustion efficiency of the fuel, obviously reduces the dust carrying amount in smoke, ensures that smoke generated after fuel combustion is clean, effectively avoids ash accumulation and slagging, improves heat exchange efficiency of heat exchange equipment, and is simple and compact in structure, convenient to operate and low in operating cost.

The invention discloses a vertical oil mist collector. The vertical oil mist collector comprises a vertical shell, wherein one side of the bottom of the shell is provided with an air inlet; the top isprovided with an air outlet; a primary filter, a secondary filter, a fan and an efficient filter are arranged in the shell from bottom to top in sequence; an oil collection box is arranged below theprimary filter, wherein an oil collector is arranged between the primary filter and the oil mist collector, the oil collector comprises an outer frame and oil collection columns which are distributedin the outer frame at intervals; gaps through which oil mist can pass are formed among adjacent oil collection columns; the bottom of each oil collection columns is of an inverted conical body; the primary filter comprises a cylinder body, as well as uniform air plates, oil collection baffle plates and filtering screens which are arranged from bottom to top; vent holes are uniformly distributed onthe uniform air plates; oil falling holes are formed in the middle part; oil collection baffle plate is partitioned into an upper layer and a lower layer; the oil collection baffle plates are uniformly distributed on each layer; the oil collection baffle plates are arranged in a staggered way.

The invention discloses a 42 kg-level titania type carbon steel covered electrode and a preparation method thereof. The 42 kg-level titania type carbon steel covered electrode comprises a core wire; the formula of a covered electrode coating comprises the following components in percentage by weight: 47-58% of reduced ilmenite, 0-4% of rutile, 6.5-11.5% of potassium feldspar, 3.5-6% of lime mud, 3.5-6% of illite, 2-6.3% of mica, 2-4.6% of fine mica, 0-6.3% of wollastonite, 5-7% of mid-carbon ferromanganese, 5-11.5% of marble and 1-4% of organic matters. The covered electrode can be prepared through a universal manufacturing technology of screw-type or hydraulic-type production equipment in the industry without special requirements, has excellent welding technological properties, mechanical properties and production press coating performance, and can be in AC/DC use.

The invention discloses a method and equipment for upgrading, drying and forming lignite. The method comprises the steps of 1) pulverizing the lignite into pulverized lignite, 2) adding sodium hydroxide to the pulverized lignite, stirring, filling in water vapor, allowing the lignite to react sufficiently, and 3) drying the lignite after the reaction, conducting pressure forming, and obtaining the lignite. According to the method for upgrading, drying and forming the lignite, raised dust in a drying process is reduced greatly, so that atmospheric pollution is reduced and a working environment is improved; the content of lignite ash in moisture volatilized by a drying machine is reduced, so that the moisture is recovered greatly; and the density and the strength of the formed lignite are increased and improved, so that a binder is not required to be added in a forming process, and requirements of transportation and production can be met conveniently. In addition, the equipment for upgrading, drying and forming the lignite achieves upgrading, drying and forming integrated continuous cleaning production of the lignite, and is suitable for large-scale industrial production of upgrading, drying and forming of the lignite.

In a method for processing ash, fly ash is separated from a product gas flow obtained from gasification of fuel, which fly ash is burned in fluidized bed combustion to reduce the carbon content of the ash. After this, the flue gases from the combustion are processed. In a first step, the ash is burned in fluidized bed combustion (fluidized bed reactor 1) at a temperature of not higher than 800° C. to reduce the carbon content, and in a second step, the flue gases a burned in an independent combustion process (combustion chamber 7), the combustion conditions reaching the temperature of at least 850° C.

The invention relates to an efficient environmental-friendly oil fume purifying device which comprises a smoke collecting plate (1), a fan (2), a filter chamber (3), a purification chamber (4) and a housing (5) which are sequentially connected, wherein a smoke conveying pipeline (11) and a screen (12) are arranged between the smoke collecting plate (1) and the fan (2); a plurality of parallelly arranged electrode rods (41) are arranged in the purification chamber (4); a oil fume outlet hole (42) is formed in the upper side of the purification chamber. Oil stain collecting pipelines are arranged on the smoke collecting plate (1), the smoke conveying pipeline (11), the screen (12) and the purification chamber (4). The oil stain collecting pipelines are communicated with an oil stain collecting box (6) which is arranged at the bottom of the housing. The efficient environmental-friendly oil fume purifying device provided by the invention is simple in structure, good in oil fume purification effect, high in purification rate, efficient and environmentally friendly.

The invention discloses a garbage incinerator which comprises an incinerator body, a feeding port and a soot collection box. The feeding port is arranged on the upper portion of the incinerator body and communicated with the inside of the incinerator body, a feeding claw is arranged at a position where the feeding port is connected with the incinerator body and composed of a rotating shaft mounted on the inner wall of the incinerator body and a metal claw arranged along the axial direction of the rotating shaft, the rotating shaft is in transmission connection with a motor fixedly mounted on the outer wall of the incinerator body, a fire grate and an incineration net are arranged inside the incinerator body, the incineration net is positioned above the fire grate, and multiple burners are arranged on the fire grate. By arranging the feeding claw, garbage is enabled to enter the incinerator body continuously and orderly at constant speed; by driving the motor to rotate the incineration net, garbage falling onto the incineration net is enabled to be uniformly laid, so that the garbage is ensured to be burned sufficiently; by arranging a baffle plate and the soot collection box, soot content in discharged smoke is greatly reduced; soot is collected in a centralized manner, so that labor intensity of workers is reduced.

The invention discloses a kitchen air conditioning system. The kitchen air conditioning system comprises an air conditioning assembly and an oil fume suction assembly, the air conditioning assembly comprises a compressor, a first heat exchanger and a second heat exchanger, wherein the compressor, the first heat exchanger and the second heat exchanger are communicating through a refrigerant pipeline, the oil fume suction assembly comprises a fan and an air outlet channel communicating with an air outlet of the fan, and the kitchen air conditioning system is characterized in that the compressoris integrated on the oil fume suction assembly, and the first heat exchanger is arranged in the air outlet channel. The kitchen air conditioning system has the advantages that the compressor is integrated on the oil fume suction assembly, the overall structure of the system is more compact, when the kitchen air conditioning system is installed, an air conditioner external unit does not need to beindependently installed, the installation is more convenient, in addition, the air conditioning system installs the first heat exchanger of the air conditioning assembly within the air outlet channelof the oil fume suction assembly, flue gas discharged into the air outlet channel can take away heat of the first heat exchanger or heat the first heat exchanger, and then the energy efficiency of anair conditioner is improved.

A liquid rocket engine integrates tap-off openings at a combustion chamber wall to direct exhaust from the combustion chamber to a tap-off manifold that provides the exhaust to one or more auxiliary systems, such as a turbopump that pumps oxygen and/or fuel into the combustion chamber. The tap-off opening passes through a fuel channel formed in that combustion chamber exterior wall and receives fuel through a fuel opening that interfaces the fuel channel and tap-off opening. The tap-off manifold nests within a fuel manifold for thermal management. The fuel channel directs fuel into the combustion chamber through fuel port openings formed in the combustion chamber, the fuel port openings located closer to a headend of the combustion chamber than the tap-off openings.

The invention provides a medium-temperature SCR denitration system and denitration method for kiln tail flue gas. The denitration system comprises a waste heat recovery device, a heat exchange deviceand an SCR denitration device, wherein a high-temperature flue gas outlet of the waste heat recovery device is connected with the heat exchange device, and an outlet of the heat exchange device and amedium-temperature flue gas outlet of the waste heat recovery device are combined into one path and then connected into the SCR denitration device. The medium-temperature SCR denitration system provided by the invention can meet the increasingly strict NOx emission standard of the kiln tail flue gas of a cement kiln and provide technical support for ultralow emission of NOx at the kiln tail of thecement kiln. Through flue gas back-mixing, on one hand, the temperature of the flue gas at the outlet of the waste heat recovery device can be increased, and on the other hand, the content of smoke dust entering the SCR denitration device is reduced, so that the SCR denitration efficiency is improved, and meanwhile, system dust accumulation and catalyst poisoning are reduced.

The invention discloses a system and method of induction heating liquid mixing continuous magnesium production. The system comprises a silicon iron raw material bin, a magnesium ore raw material bin,a flux raw material bin, a feeding mechanism and a smelting mechanism. Each raw material bin is provided with an inert gas inlet and a vacuuming port. The smelting mechanism comprises an airtight chamber and an induction furnace. The induction furnace is arranged in the airtight chamber. A feeding pipeline and an exhaust gas pipeline are arranged on the top of the induction furnace. The feeding pipeline extends out of the airtight chamber and is connected with a screw conveyer. The exhaust gas pipeline extends out of the airtight chamber. A slag outlet and an iron outlet are arranged on the side on the induction furnace. The induction furnace is further provided with a stirring paddle. The airtight chamber is provided with an inert gas inlet on the side wall. The induction furnace is provided with an inert gas inlet on the side wall. The airtight chamber is provided with a vacuuming port on the top wall. The exhaust gas pipeline is provided with a vacuuming port. According to the system of induction heating liquid mixing continuous magnesium production, because the negative micro-pressure operation or normal-pressure operation is adopted, continuous feeding and discharging can be implemented, continuous production of the metal magnesium is implemented, and the production cost is reduced; and splashing can be effectively reduced, the quantity of soot is effectively reduced, thequality of original magnesium is improved, and the stable running state of equipment is improved.