32results about How to "Improve emission targets" patented technology

The invention discloses an energy saving method for catalytic oxidation treatment of large-flow VOCs gases. The energy saving method comprises the following steps: heating air by adopting steam, mixing the large-flow VOCs gases with the heated hot air so as to obtain a mixed gas, and controlling the concentration of the VOCs gases in the mixed gas to be lower than the lowest limit of explosion; conveying the mixed gas into a catalytic reactor for catalytic oxidative reaction, carrying out waste heat recovery when exhaust gas after reaction enters an exhaust gas heat exchanger to be subjected to heat exchange with the mixed gas to enter the catalytic reactor, and discharging the up-to-standard gas after waste heat recovery through a high-altitude blow-down pipe. The energy saving method for catalytic oxidation treatment of large-flow VOCs can adapt to organic exhaust gas treatment working conditions including high target, high treatment capacity and complex composition, and is safe, low in energy consumption, simple in technological process and capable of cyclically utilizing a heating medium; besides, steam can be utilized to provide heat so as to reduce the requirement on power supply load especially when the local power supply load is relatively low; moreover, the energy saving method can also be used in combination with other exhaust gas recovery devices so as to improve the emission index.

A spray diffusion-type combustion system for IC engine features that a spray diffusing arc surface is arranged at the diameter-reduced position of combustion chamber for spraying the oil beam from the oil sprayer directly to the arc surface, so generating an oil beam diffused in wide range and quickly forming a relatively uniform gas mixture. Its advantages are quick and full combustion, low oil consumption, high power and less pollution.

The invention provides a process applied to super purification treatment of domestic garbage incineration flue gas. The process comprises the following steps: (1) carrying out SNCR denitration treatment on the flue gas in a waste heat boiler; (2) carrying out adsorption treatment on the flue gas subjected to denitration treatment by using a compound adsorbent I under ultraviolet irradiation; (3) successively carrying out semi-dry process desulphurization treatment and cloth bag dust removal treatment on the flue gas subjected to adsorption treatment; (4) adding ozone into the flue gas subjected to dust removal to obtain mixed gas, then eluting the mixed gas by using alkaline liquid; and (5) carrying out secondary adsorption on the flue gas obtained by eluting by using a compound adsorbentII. Through the process, the flue gas is successively subjected to SNCR denitration treatment, primary adsorption treatment, semi-dry process desulphurization treatment, cloth bag dust removal treatment, ozone oxidization treatment, eluting treatment via alkaline liquid and secondary adsorption treatment, so that the emission index of the treated flue gas is greatly improved and far exceeds the national environmental protection requirement.

The invention relates to an improved process for a biochemical treatment method of MDF dried tail gas and a treatment system. The improved process comprises the following steps: carrying out high-speed and high-pressure atomization spray cooling and aldehyde suction; and (2) carrying out low-speed smoke water film dust removal and aldehyde suction, wherein a moisture separation and slag condensing process is additionally set between the step (1) and the step (2) and comprises a gravity settling slag condensing process and a moisture rotary separation slag condensing process. By utilizing the moisture separation and slag condensing process, sludge and water in a preserved region can be timely exhausted and subjected to a water purification slag removal process, treated water can be circularly used in each procedure, a whole production system does not need to be halted during the slag discharging, manual cleaning is not required, and a separated clean water body can be discharged along with tail gas, so that the storage cost of the water body is lowered; and furthermore, a large amount of clean water body is taken away through the discharging of the tail gas, so that a 'white dragon' phenomenon is reduced, and the problem that a sewage treatment station needs to be built by increasing a huge investment so as to treat 'production wastewater' which is caused when 20-30 tons of condensate water is produced each hour is solved.

The invention discloses an efficient energy-saving boiler burner for plasma hydrolysis hydrogen generation. The efficient energy-saving boiler burner is composed of an intelligent controller, a high-frequency high-voltage power supply, a plasma electric arc catalysis ejector, a moisture evaporator, a water pump, a water amount regulating valve, a moisture evaporator, a temperature sensor, an oil pump, an oil quantity regulating valve, an electronic igniter, an oil sprayer, a fan, a magnetic valve, a flame spraying burner, a burner housing and an installing flange. Water is heated to produce water vapor, then the water vapor is rapidly decomposed in the plasma electric arc catalysis ejector to produce hydrogen and oxygen molecules and hydrogen and oxygen ions, the hydrogen and oxygen molecules and the hydrogen and oxygen ions and fuel or fuel gas are sprayed into a boiler hearth through the flame spraying burner to be burned, accordingly the purposes of increasing fuel or replacing a part of fuel to increase oxygen, remarkably saving the fuel and improving energy-saving emission-reducing indexes are achieved, and the efficient energy-saving boiler burner is an ideal upgraded new high-tech product in the industry.

The invention discloses a direct-heating hot water boiler which is composed of a boiler body, a fume pipe, a combustor, filler, a chimney and the like. The boiler body is of a vertical cylindrical structure and is divided into a filler chamber and a water storage chamber through a supporting partition plate. The fume pipe is located on the middle lower portion of the water storage chamber. Heat dissipation fin plates are installed on the outer wall of the pipe, and the heat exchange area can be increased. An exhaust pipe is assembled to the upper portion of the filler chamber, so that smoke is exhausted upwards evenly. A water blocking cap is used for preventing water from entering the fume pipe. An inlet water distributor is arranged in the filler chamber, so that water is sprayed downwards evenly. Through a temperature-resistant filtering cotton plate, residual water in the smoke can be filtered out and returned back to the water storage chamber. According to the direct-heating hot water boiler, the one cavity design is adopted, the structure is compact, and materials are saved and are about one quarter those of an ordinary boiler; the size is small, the space is saved, the manufacturing cost is low, through the structure, secondary heat exchange can be conducted, and the heat efficiency reaches 97% or over; and smoke exhaust indexes are higher than national standards, the smoke exhaust temperature is lower than 50 DEG C, and the heat efficiency is greatly improved.

The invention provides a hybrid electric vehicle system based on a one-way clutch, belongs to the technical field of transportation machinery. The hybrid electric vehicle system is a shifting fork synchronizer gear shifting and speed changing mechanism based on the one-way clutch. The system is composed of an engine E1, a motor M1, a one-way clutch C1, a transmission shaft A1, a gear G11, a synchronizer S1, a gear G12, a transmission shaft A2, a gear G21, a gear G22, a gear G23, a gear G24, a motor M2, a transmission shaft A3, a gear G31, a synchronizer S2, a gear G32, a gear G41, a differential D1, a half shaft A4 and a half shaft A5. The one-way clutch C1 is used for achieving power decoupling of the gear shifting action of the transmission shaft A1. The vehicle system has nine working modes, can adapt to all working conditions required by vehicle running, can enable the engine to always work in the optimal fuel consumption rate interval, has independently designed climbing performance, low-speed acceleration performance and high-speed driving performance, supports unpowered interruption gear shifting and supports energy recovery.

The invention discloses a communicated composite inlet channel system for a four-valve diesel engine. A communicated gas inlet is arranged on the wall between a tangential inlet channel and a helical inlet channel and is used for communicating gases in the two inlet channels. Before two gases enter a cylinder, the gases are mixed, the tangential gas and the helical gas are interlaced and mixed mutually, and the gases are further mixed after the gases enter the cylinder; and because the gases are successively mixed twice, more partial turbulent flows are formed, thereby effectively improving the generating conditions of an oil and gas mixture and achieving good oil and gas mixing effect. Because the combustion is further sufficient, the economical efficiency and the dynamic property of the diesel engine are effectively improved, the generation of NOx and particulate matters is reduced, and the exhaust emission index is greatly improved. Compared with a separated inlet channel, the communicated composite inlet channel has very small casting process change and is suitable for batch production. The invention is also suitable for the inlet channel of a two-valve diesel engine.

The invention discloses a vehicle ultrasonic electric fuel gasify device, which is formed by an ultrasonic power resource and a gasify room. Wherein, the gasify room comprises a frame whose inner chamber is separated by baffle plate into the upper gasify chamber and the lower outlet chamber; the upper part of gasify chamber has a oil inlet connecting the vehicle carburetor or has a oil injection hole connecting the fuel pump and the inlet connecting the air filter; the middle part of baffle plate is fixed with a ultrasonic energy exchanger; the baffle pate has air seams connecting the gasify chamber and the gas chamber; the lower part of outlet chamber has a mixed gas outlet connecting the mixed gas distribution pipeline; the down-lead of ultrasonic energy exchanger through the lead hole of frame is connected to the ultrasonic power resource. The invention can reduce the size of particle generating by gasifying the fuel, to make the fuel burn safer and improve the heat efficiency and discharge standard of fuel engine.

The invention discloses a livestock farm excrement treatment method which comprises the following steps: conducting stirring and mixing in a collection tank, removing excrement and other suspended solids by a solid-liquid separator, feeding effluent of the solid-liquid separator into a black film biogas digester for anaerobic fermentation, feeding effluent of the black film biogas digester into amicroorganism selection pond for pretreatment, feeding effluent of the microorganism selection pond to a biochemical treatment pond for biochemical treatment, feeding effluent of the biochemical treatment pond to a biochemical sedimentation pond for mud-water separation, and feeding effluent of the biochemical sedimentation pond to a physicochemical reaction pond to enable suspended particles to form flocs, then conducting solid-liquid separation in an inclined tube sedimentation pond, conducting overoxidation disinfection on water obtained after solid-liquid separation, enabling the disinfected water to flow into a reuse water pond, and conduct direct discharge or further deep treatment on the water in the reuse water pond according to requirements. According to the present invention, thetreatment method has characteristics of reasonable design, effective treatment on degradation-resistant organic matter, high ammonia nitrogen and manure with severely-imbalanced C/N ratio can be achieved, the removal rate of organic matter and ammonia nitrogen can reach 90% or above, and environmental pollution can be effectively treated.

The invention relates to a flue gas dedusting technology, in particular to a flue gas ultra-clean treatment system. The flue gas ultra-clean treatment system comprises a bag type dust collector, an agglomerating agent solution source and an atomizing and sprinkling device, wherein the bag type dust collector is provided with an inlet flue; the atomizing and sprinkling device is mounted in the inlet flue; the atomizing and sprinkling device is in communication with the agglomerating agent solution source through a conveying pipe; and a conveying device is arranged on the conveying pipe. The system has the advantages of being simple and reasonable in structural design, significantly improving the dust removal efficiency and effect, improving the flue gas emission index, and reducing the usecost.

The invention provides a smelting system for iron-based multi-metal mineral materials. The iron-based multi-metal mineral materials comprise iron element, titanium element and vanadium element. The smelting system comprises a mixing device, a smelting-pool smelting device and an electrothermal reduction device, wherein the mixing device is provided with a proportioning inlet and a mixing outlet; the smelting-pool smelting device is provided with a first charge port, a second charge port and a melt outlet, the first charge port is formed in the top of the smelting-pool smelting device, the second charge port is formed in the sidewall of the smelting-pool smelting device, and the mixing outlet is formed in a manner of communicating with the first charge port and/or the second charge port; and the electrothermal reduction device is provided with a deslagging port, a metal discharge port and a melt inlet, and the melt inlet communicates with the melt outlet. The smelting system combining the mixing device, the efficient smelting-pool smelting device and the electrothermal reduction device is capable of effectively increasing the recovery rate for the vanadium element, and lowering theoperation labor intensity, and further has the advantage of reducing the comprehensive energy consumption, increasing the environmental emission indexes, and the like.

The invention relates to the technical field of fuel heaters, in particular to an air quantity control system used for a power adjustable coil pipe type fuel heater. The system comprises a master controller, an oxygen sensor, a flame sensor, a motor controller, a damper controller, a speed adjusting motor, an air blower, a damper executor and a damper. The oxygen sensor is arranged on a smoke exhaust air flue, the flame sensor is mounted in a combustion chamber, the oxygen sensor is used for collecting the content of oxygen of waste gas, the flame sensor is used for collecting combustion states, a signal is fed back to the master controller, the master controller controls the motor controller and the damper controller, the motor controller drives the speed reducing motor to adjust the rotating speed of the air blower to change the air quantity and the air pressure of air entering in the air flue, the damper controller controls the damper executor to rotate a damper to the determined angle, the air flue air quantity is changed, the system is energy-saving and environment-friendly, system running is stable and reliable, and emission indexes can be improved.

The invention belongs to the technical field of engines, and discloses an engine parameter correction method and an engine, and the engine parameter correction method comprises the following steps: S1, according to an abrasion loss MAP table of a valve mechanism, calculating to obtain an accumulated abrasion loss of the valve mechanism under an actual working condition; s2, according to the accumulative abrasion loss, the actual valve timing phase change amount is calculated; and S3, according to the fuel injection advance angle correction coefficient MAP table, the fuel injection quantity correction coefficient MAP table and the urea injection quantity correction coefficient MAP table, the actual gas distribution phase change amount is input, the fuel injection advance angle correction coefficient, the fuel injection quantity correction coefficient and the urea injection quantity correction coefficient are obtained through table look-up, and the nozzle advance angle, the fuel injection quantity and the urea injection quantity are corrected. According to the engine parameter correction method, the actual valve timing change quantity of the valve timing mechanism is obtained by calculating the accumulated abrasion loss of the valve timing mechanism of the engine, then the parameters such as the fuel injection advance angle, the fuel injection quantity and the urea injection quantity of the engine are optimized, and the performance and emission indexes of the engine are optimized.

The invention relates to a pre-stage reducer, comprising at least two stages of reduction chambers and back pressure chambers, each stage of reduction chamber and back pressure chamber are separated by a diaphragm, valve seats are arranged between the stages of reduction chambers. The invention is characterized in that the gas inlet side of at least one valve seat is provided with a servo regulating electric valve. The gas inlet side of the valve seat between the reduction chamber and the back pressure chamber is provided with a servo regulating electric valve controlled by an ECU (electric control center); the flow of the output gas of the reducer is adjusted appropriately according to the working condition of the gas engine of an automobile, thus to improve the emission index of the engine, reaching to the Europe 2# standard.