36results about How to "Guaranteed emission effect" patented technology

The invention discloses an environment-friendly low-energy tar refined phenol-containing sodium sulfate wastewater treatment method, wherein the tar refined phenol-containing sodium sulphate wastewater is pretreated to remove oil, suspended matters and colloid, frozen to separate out sodium sulfafe decahydrate crystals in a frozen crystallizer, then centrifuged, re-dissolved, evaporated, dehydrated and dried to obtain high-purity anhydrous sodium sulfate, and the waste heat of evaporation, dehydration and drying and part of distilled water enter the concentrated nitrification tank to dissolvethe nitrates, and fully recover the resources; the upper layer phenol-containing solution separated after freezing is subjected to extraction, dephenolization, electrode oxidation and biochemical treatment, and clear solution separated by the nanofiltration membrane and a part of the distilled water produced by evaporation, dehydration and drying are sent to a biochemical treatment device for reuse. The whole treatment process of the technology has low energy consumption, zero emission and no secondary pollution.

The invention provides a method and a system for controlling a vehicle. The method comprises the following steps: monitoring a vehicle system; and when a vehicle system failure is monitored and the vehicle is needed to enter a limp state, making the vehicle enter the limp state through exhaust braking. The method and the system can make the vehicle enter the limp state through exhaust braking when detecting that the vehicle system failure can influence any one of the emission performance, the driving performance and the self safety of the vehicle system, and the driving safety of the vehicle. Compared with the prior art, the method and the system can make the vehicle enter the limp state in a more effective mode to further ensure the driving safety of the vehicle, the emission performance of the vehicle, the driving performance of the vehicle, and the self safety of the vehicle more effectively, and improve the usability of the vehicle simultaneously.

The invention discloses a system and a method for automatically judging fuel gas compositions. The system for automatically judging the fuel gas compositions comprises an engine fuel gas tank, a liquid level sensor, a fuel gas pressure regulator, a nozzle gas rail assembly, a mixer, an exhaust oxygen sensor and an electric control unit (ECU). The liquid level sensor is arranged on the engine fuelgas tank and is used for monitoring a liquid level in the engine fuel gas tank; the fuel gas pressure regulator is used for regulating the pressure of fuel gas; the nozzle gas rail assembly communicates with the other end of the fuel gas pressure regulator; the mixer is used for receiving the fuel gas injected by the nozzle and conveying the fuel gas into an engine gas cylinder; and the exhaust oxygen sensor is used for monitoring the current exhaust concentration and recording the fuel gas injection closed-loop amount. Therefore, according to the system for automatically judging the fuel gascompositions provided by the invention, the fuel gas compositions can be on-line judged automatically, and the engine fuel injection calculation, the air-fuel ratio concentration calculation and engine ignition advance angle control are regulated in real time, so that the emission performance and the economical efficiency of an engine are ensured.

The invention discloses an extended-range electric vehicle energy management control method which comprises the following steps: according to the power requirement of a whole vehicle, referring to a universal characteristic curve graph of an engine, respectively selecting a working point when the engine is in light, medium and high loads, and respectively defining the selected three working pointsas a working point 1, a working point 2 and a working point 3 of a range extender, wherein the engine output powers corresponding to the three working points are P1, P2 and P3; according to the performance of the power battery, setting two battery SOC trigger points, namely SOC_high and SOC_low; setting two vehicle speed triggering points, namely Vhigh and Vlow, according to the power performanceof the whole vehicle; and S3, according to different power battery SOC values and current vehicle speed values, taking the battery SOC trigger point and the vehicle speed trigger point selected in the step S2 as references, combining the accelerator pedal state and road slope information, switching working points of an engine, and carrying out energy distribution on the whole vehicle under different loads.

The invention discloses a design method and system for an oil smoke exhaust duct. The method comprises the steps of carrying out the calculation according to a current initial size value of a flue, a preset calculation formula of the total on-way resistance loss of the uniform-section oil smoke exhaust duct, and a preset hot pressure difference, and obtaining a total resistance value of the flue through calculation, judging whether the current initial size value of the flue meets a preset condition or not according to the performance curve graph of the oil smoke exhaust hood and the total resistance value of the flue, if the initial size value of the current flue does not meet the preset condition, modifying the initial size value of the current flue based on a preset step length, and returning to the step of calculating to obtain the total resistance value of the flue according to the initial size value of the current flue, the preset total on-way resistance loss calculation formula of the uniform-section oil exhaust flue and the preset hot pressure difference until theinitial size value of the current flue meets the preset condition, and thus, theinitial size of the flue meeting the condition is obtained. According to the flue size table recommended by the method and the smoke exhaust hood arrangement principle, the emission effect can be guaranteed, and the occupied area of the shaft is reduced as much as possible.

The invention provides a system for treating high-concentration organophosphorus wastewater and a treatment process thereof. The system comprises a treatment tank, supporting legs, a tank cover, a mixing motor, a coupling, a mechanical valve, a wastewater introduction pipe, a flow guide pipe, a distillation tower, a discharge pipe and a drain valve, and the supporting legs are in bolted connection with four corners of the bottom of the treatment tank. According to the invention, iron and carbon form countless microbattery systems in wastewater, the wastewater is electrolyzed, part of organic matters are oxidized, a large amount of ferrous iron is generated through anodic reaction, enters the wastewater and is further oxidized into ferric iron, and a flocculating agent with relatively high adsorption and flocculation activity is formed; and a large amount of nascent [H] and [O] are generated through cathode reaction, and under the slightly acidic condition, the active ingredients can be subjected to oxidation-reduction reaction with ethyl alcohol, chloroethane and ethyl methyl hypophosphite in the wastewater, so that organic macromolecules are subjected to chain scission degradation, and the pH value of the wastewater is also increased.

The invention discloses a heavy oil engine piston and an aero-engine. The heavy oil engine piston is characterized in that the top surface of the piston is provided with an annular guide part which issunken along an annular shape located in the circumferential direction, the outer side face of the annular guide part corresponds to the fuel injection direction, and a guide protrusion is formed inthe center of the annular guide part. According to the heavy oil engine piston and the aero-engine, the injected fuel is guided to an ignition region of a spark plug, so that the top surface of the piston is optimized, then a combustion chamber is optimized, the compression ratio is changed, the knocking risk is reduced, meanwhile the tumbling motion effect is enhanced, the heavy oil can be fullyatomized and mixed, and uniform combustion mixture gas is formed after good mixing; and furthermore, high-efficiency combustion of the fuel can be achieved, the dynamic performance, the economical efficiency and the emission performance of the heavy oil in application to the engine can be guaranteed, and the effects of being energy-saving, environment-friendly and low in cost of the heavy oil after being applied to the engine are achieved.

The invention discloses a piston of a heavy oil engine and an aero-engine. A concave guide part sunken relative to the top surface of the piston is formed on the top surface of the piston; the outwardoutermost point of the outer side face in the radial direction exceeds or is flush with a fuel injection direction of a fuel injection assembly; an export face exceeds the ignition position of a central sparking plug inward in the radial direction; and an upward protruding strip-type bump is formed between the outer side face and the export face in the bottom. An injected fuel is guided to an ignition region of the sparking plug by means of the concave guide part which corresponds to the fuel injection direction, is located on the top surface of the piston and is sunken relative to the top surface of the piston, so that the top surface of the piston is optimized, and therefore, a combustion room is optimized, the compression ratio is changed, and the detonating risk is reduced; and meanwhile, a tumbling effect is enhanced, so that heavy oil can be atomized and mixed fully to form uniform combustion mixed gas after being mixed well. Fuels can be organized to combust efficiently, too, so that the dynamic property, the economical efficiency and the emission performance of the heavy oil applied to the engine are guaranteed, and energy conservation, environment-friendliness and low cost of the heavy oil applied to the engine are achieved.

The invention discloses an automobile exhaust funnel capable of improving the tail gas purification efficiency and the exhaust effect. The automobile exhaust funnel capable of improving the tail gas purification efficiency and the exhaust effect comprises an exhaust connecting ring, a reciprocating telescopic rod is fixedly connected to the inner wall of the exhaust connecting ring, a connecting fixing block is fixedly connected to the tail end of the reciprocating telescopic rod, a functional annular plate is fixedly connected to the end face of the right side of the exhaust connecting ring,a connecting net plate is fixedly connected into the functional ring plate, and a purifying telescopic net is fixedly connected to the end face of the right side of the connecting net plate. Accordingto the automobile exhaust funnel capable of improving the tail gas purification efficiency and the exhaust effect, the equipment is provided with a telescopic pipe wall, in the telescopic process ofa pipe wall, crossed cleaning of the inner wall of a pipeline can be achieved, then the removal of corrosives attached to the inner wall is completed, the tail gas exhaust rate is increased, and the service life is prolonged; meanwhile, the beneficial effect of improving the tail gas purification effect can be achieved through stretching, the diameter and length of a telescopic purification devicein the exhaust funnel are changed, and then the contact area of tail gas and purification particles is increased.

The invention provides an intelligent production device for a high-strength flame-retardant cable PVC sheath material. The intelligent production device for the high-strength flame-retardant cable PVCsheath material comprises a feeding pipe, a high-speed mixer, a flow guide pipe, a double-screw extruder, a connecting pipe, a screw granulator, a granulator discharging pipe, a granule discharging pipe, a line bank, supporting legs and a cable. The feeding pipe is connected to the upper inlet position of the high-speed mixer in a threaded mode; One longitudinal end of the flow guide pipe is in threaded connection with the lower outlet position of the high-speed mixer, and the other end of the flow guide pip is in threaded connection with the upper inlet position of the double-screw extruder.Through arrangement of a feeding hopper, a cleaning cover, an impurity filtering net, a U-shaped lining base, a movable material plate and a buffer tension spring, impurities in raw materials can befiltered easily, the production efficiency is guaranteed, raw materials are placed in the feeding hopper, and are continuously guided to flow through the movable material plate; the movable material plate acts in the U-shaped lining base through energy storage and energy release of the buffer tension spring, then the raw materials can continuously fall, impurities are filtered out through the impurity filtering net, the impurities can be discharged and cleaned through the cleaning cover, and operation is convenient.