47results about How to "Clean emissions" patented technology

A control apparatus is provided for a vehicle including an internal combustion engine and a continuously variable transmission capable of controlling an output speed of the engine. A controller of the control apparatus determines a first operating point at which a total fuel consumption amount is minimized as an optimal operating point, such that the total fuel consumption amount is obtained by adding an amount of a fuel consumed by an exhaust purifying device disposed in an exhaust system to an amount of a fuel consumed by the engine for generating a required output. The controller then controls an engine load and also controls a speed ratio of the transmission so that the engine operates at the optimal operating point.

The invention belongs to the field of biomass energy utilization and discloses a continuous pyrolyzing and carbonizing device for agricultural and forestal biomass. The device comprises a feeding device, a pyrolyzing device, a carbonizing device and a heating device for heating the pyrolyzing device and the carbonizing device, wherein the pyrolyzing device comprises a pyrolyzing furnace, a pyrolyzing pipe running through the pyrolyzing furnace and a spiral conveyer arranged in the pyrolyzing pipe; the output end of the pyrolyzing pipe is connected with the carbonizing device; the carbonizing device comprises a shell and a heat exchange pipe; and the heat exchange pipe is arranged in the shell. According to the device, the independent controllable pyrolyzing device and carbonizing device are adopted, so that the continuous and stable pyrolyzing and carbonizing of the biomass are efficiently and quickly realized and the conveying efficiency is remarkably improved; and the distribution and the quality of products prepared by virtue of the device are controllable, and the energy utilization rate is high.

A main propose of the invention is to provide a method and a system for producing ethanol through fermentation of industrial tail gas. The method includes the steps of: 1) pre-treating the industrial tail gas by removing toxic substances in the industrial tail gas to obtain purified tail gas; 2) fermenting the purified tail gas to obtain fermented mature mash and residual gas; 3) distilling the fermented mature mash to prepare ethanol and bacterium-containing residual water; 4) separating and concentrating the bacterium-containing residual water to obtain a concentrated liquid and a clear liquid; 5) purifying the clear liquid; and 6) performing tail gas treatment to the residual gas to remove residual CO. The method achieves optimization and organic combination of processes in the whole system and is high in yield and purity in the produced ethanol, effectively purifies discharged wastewater and tail gas, effectively utilizes the raw materials and achieves circulation utilization of substances and energy of the whole system.

The invention relates to a special device for treating chaff mixture, which is simple in structure, simple in material separating technology, high in separating efficiency, excellent in separating effect, low in manufacturing cost, environment-friendly, stable and reliable in system operation, and convenient and fast. The special device for treating the chaff mixture comprises a processing system and a separating system, and is characterized in that the separating system comprises a separator, wherein the separator comprises an irregular-shaped separating chamber; the irregular-shaped separating chamber comprises an input flow channel, a collecting flow channel, and a recycling flow channel.

The invention relates to a hydraulic power system of bus, in particular to a hydraulic power system of bus which uses a small diesel engine to drive a hydraulic oil pump to supply energy to a hydraulic accumulator in a hydraulic system and a hydraulic motor to drive a bus to run. In the invention, a hydraulic power device of the small diesel engine and an electrical hydraulic power device consist of a power output system; the small diesel is connected with a DC power generator, a waste-gas turbine accelerator, a variable flow hydraulic pump and a one-way valve; the hydraulic pump is connected with an overflow safety valve, a manual relief valve, a filter and a hydraulic oil tank; a clutch is connected between the hydraulic motor and the gear box; the gear box and the vehicle wheel are connected by a transmission shaft to transmit power; both ends of the emergency hydraulic oil pump are respectively connected with the hydraulic oil tank, the one-way valve and a flow restriction valve. The invention has the advantages of simple structure, convenience in operation, low energy consumption, low noise, full oil burning, reduced emission of waste smoke, mist, gas and dust, energy consumption saving, stable running of the vehicle, and wide application to hydraulic power systems of the urban buses.

The invention relates to a treatment technology of accompanying gas in production of trichlorosilane, comprising the steps of removing dust, washing, precipitating, separating gas, absorbing, and treating waste gas. The technical solution of the invention purifies discharged waste gas, reduces the pollution to the air, reuses the waste and reduces the production cost.

The invention discloses an electronic control method for an engine with an oil supply system using a carburetor. The method includes the following steps that an electronic control unit (ECU) receives collected throttle percentage and engine speed signals; the ECU inquires a first three-dimensional management picture pre-stored in the ECU according to the throttle percentage and the engine speed to determine an ignition advance angle, independent variable of the first three-dimensional management picture is the throttle percentage and the engine speed, and dependent variable is the ignition advance angle; the ECU controls the ignition moment of an ignition coil according to the inquired ignition advance angle. An electronic fuel injection control principle is shifted on the engine using the carburetor, precise control can be conducted on air-fuel ratio and the engine ignition moment, and discharging and output are improved.

The invention relates to an aerosol particle treatment method and aerosol particle treatment equipment. The aerosol particle treatment method comprises the following steps: firstly, performing atomization treatment on aerosol particles in gas; secondly, intercepting and collecting the atomized aerosol particles, and simultaneously, separating the atomized aerosol particles into fine particles; andfinally, performing physical purification treatment on the fine aerosol particles so as to realize purification of the aerosol particles in gas. The aerosol particle treatment equipment can be simplyassembled and used according to environmental requirements, is high in mounting efficiency and wide in application range, can more thoroughly clear the purified and atomized aerosol particles, has amore obvious effect on purifying gas (waste gas), and better adapts to marketing promotion.

The invention discloses a nano fuel additive. The nano fuel additive is prepared from, by weight, 20-30% of nano cerium oxide, 4-6% of submicron copper powder, 10-20% of methyl alcohol, 10-15% of acetylacetone, 10-15% of polyglycol ether, 10-15% of polyethylene glycol and 10-15% of glycerol. A preparing method for the nano fuel additive includes the steps that nano cerium oxide, submicron copper powder, methyl alcohol, acetylacetone, polyglycol ether and polyethylene glycol are added into a reaction kettle by a ratio, heated to 70 DEG C-90 DEG C, and stirred for 5-6 h to be mixed uniformly, heating is stopped, when the mixture is cooled to 40 DEG C-60 DEG C, glycerol is added and stirred uniformly, and the nano fuel additive is obtained through cooling. The nano fuel additive has the simple components, is low in cost, improves the combustion efficiency of fuel, reduces emission of harmful substances in the combustion process of the fuel, achieves dispersity of nano particles in the fuel and improves the own lubricating performance of the fuel.

The invention discloses a vacuum pulse-type gutta-percha extraction device. The vacuum pulse-type gutta-percha extraction device comprises a leaching device and a heater, wherein the leaching device is provided with a screen plate, a material inlet, a material outlet and a solvent inlet valve; the leaching device is provided with a connected vacuum condenser solenoid valve and a vacuum breaker solenoid valve to realize the automatic control of connecting vacuum and breaking vacuum; a blow-down valve and a steam inlet valve are arranged at the bottom of the leaching device; the leaching device is also provided with a disconnected condenser valve, an emptying valve and a connected compressed air valve; the lower end of the leaching device passes through a buffer tank, a pump and the heater to form a loop with the upper end of the leaching device; a disconnected condenser valve is arranged on the buffer tank; the heater is provided with a steam inlet solenoid valve and a trap valve to realize automatic temperature control and water discharging. By the vacuum pulse-type gutta-percha extraction device, mass transfer in a gutta-percha extracting process is enhanced, gutta-percha is automatically leached effectively, the functions are complete, the gutta-percha extraction rate is high, and the industrial application prospect is wide.

The invention discloses a graphite dust treatment and recovery method based on double dust removal units. The method is used for anode baking, and comprises the following steps: setting a fan unit I to provide delivery power, generating a negative pressure airflow to deliver high-temperature graphite powder to sequentially pass through a storage unit, a pre-dusting unit, a cooling unit and a dustremoval unit I; setting a fan unit II to provide dust removal power, and generating a negative pressure airflow to deliver the graphite powder and dust in the graphite powder unloading process to passthrough a dust removal unit II; and respectively starting the fan unit I and the fan unit II to complete the graphite powder delivering and graphite powder unloading processes, and removing the dust.According to the method disclosed by the invention, operations of feeding and dust removing in the unloading process are respectively completed by virtue of switch of the double fan units and the double dust removal units, and an advanced dust removal system integrating dust pretreatment, cooling, tail gas purification and flexible control is realized; and moreover, the system is reasonable in design, scientific in structure, compact in arrangement and convenient in operation and maintenance, the dust removal efficiency is high, and purification and emission of high-pressure high-temperatureand high-concentration dust can be fully met.

The invention discloses blended biodiesel, which mainly comprises cotton oil biodiesel, tung oil biodiesel and sinking fat biodiesel, wherein, the volume ratio of the cotton oil biodiesel to the tung oil biodiesel to the sinking fat biodiesel is equal to 15-35 to 10-60 to 15-35. The blended biodiesel has low cost and simple and easy operation process, is environment-friendly, integrates the advantages of various raw material biodiesel and petrochemical biodiesel, and can improve the performance of the biodiesel better.

The invention discloses a system and method for reducing NOx emission of a marine diesel engine. The system comprises an air inlet pre-treatment system and a posttreatment selective catalytic reduction system. The air inlet pre-treatment system comprises an alternate fuel supply system and a fuel electronic control system. The posttreatment selective catalytic reduction system is arranged on a diesel engine exhaust pipe and can receive tail gas exhausted by a diesel engine air cylinder. The posttreatment selective catalytic reduction system comprises a diesel oxidation catalyst device and a selective catalytic reduction device which are sequentially arranged. The invention further provides the method for reducing NOx emission of the marine diesel engine with the system. According to the system and method for reducing NOx emission of the marine diesel engine, traditional petroleum fuel, namely diesel consumed by the marine diesel engine is replaced, meanwhile, NOx emission of the marine diesel engine can be greatly reduced, NOx emission is maintained at a very low level, and efficient clean combustion of the marine diesel engine is achieved.

The invention relates to a compound purification device for a range hood. The compound purification device mainly comprises a housing, a purification device and an electronic control assembly, wherein an air inlet and an air outlet are formed in the two sides of the housing respectively; the purification device is located in the housing; the electronic control assembly is installed in the door of the housing; the purification device comprises an electrostatic device, a glass fibre screen and an activated carbon screen; the electrostatic device, the glass fibre screen and the activated carbon screen are sequentially installed in the housing from the air inlet to the air outlet; and the electrostatic device comprises an electrostatic discharge module and an electrostatic collection pole plate. The compound purification device disclosed by the invention has the following beneficial effects: the structure disclosed by the invention is installed at the rear end of the range hood, convenient and fast to install, convenient to maintain and repair, and capable of much effectively purifying the lampblack discharged from the rear end of the range hood, thereby reducing the pollution of the outward lampblack discharge of residents to environment, and promoting the reduction of the environment pollution to a certain extent.

The invention relates to a power-compensating device for generating equipment of an internal-combustion engine at a plateau area, which consists of an air filter, an electric air compressor, an oil-water separator and a high-pressure gas-storing tank, wherein the air filter, the electric air compressor, the oil-water separator and the high-pressure gas-storing tank are arranged on a pedestal of the generating equipment for the internal-combustion engine, the high-pressure gas-storing tank is connected with a three-way pipe which is used for being connected with the air filter and a gas-inlet pipe of the internal-combustion engine for the generating equipment through a high-pressure gas-transmitting pipe, and a gas electromagnetic valve for controlling the on-off of compensating gas is arranged on the high-pressure gas-transmitting pipe at the gas outlet of the high-pressure gas-storing tank. Through the arrangement of the power-compensating device of a vehicle, the abundant oxygen absorption of the internal-combustion engine for the generating equipment can be effectively ensured, and the output power reaches more than 95 percent of the rated power; and fuel oil can be sufficiently combusted in a combustion chamber of the internal-combustion engine, so that the waste of fuel is eliminated, the utilization ratio of the fuel is improved, energy sources are saved, the discharge of tail gas is purified, atmospheric pollution is avoided, and the power-compensating device is favorable to environmental protection.

The invention belongs to the field of fish culture, and particularly relates to a healthy and efficient culturing method for freshwater fish. The method comprises the following steps: pond dredging, pond disinfection, application of fertilized water to the pond, and connection of the water discharging port of the pond to a nearest farmland impounding reservoir or intake canal; placement of 1500-1800 main cultivated fish with the respective full length of 5 cm or above in every 666.67 m<2> of the pond, and placement of mixed cultivated silver carps, bighead carps and crucians; feeding with a puffed granule mixed feed accounting for 2-6% of the total weight of the fish in the pond every day, and feeding with a green feed as an auxiliary feed, wherein the mixed feed and the green feed are added twice a day; keeping of the water running for 24 hours a day; changing of the water 2 or 3 times a month; spreading of quicklime after the water changing, wherein spreading all over the pool is carried out 1 or 2 times a month, and 10-30 g of the quicklime is applied to 1 m<3> of the water; and culturing for 16-20 months. The method can improve the survival rate and the yield of the freshwaterfish, and realizes energy conservation, environmental protection, quality improvement and efficiency improvement in culture production.

The invention relates to a kitchen waste hydrolyzing treatment method. Devices used in the method comprise hydrolyzing high-pressure tank components, waste water treatment components and screening components. The method comprises the steps of material dry air stirring, periodic high-pressure hydrolyzing, drying treating, waste water discharging and treating, material screening and the like. According to the kitchen waste hydrolyzing treatment method, by means of the arrangements of the above devices and steps, kitchen waste efficient separation treatment is realized.

The invention discloses a graphite electrostatic dust collection system based on multiple switches and a method. The system comprises a telescopic sucking tube, a storage tank, a cyclone dust collector, an air cooler, a cloth bag dust collector, a first Roots blower, a first electrostatic dust collection device as well as a second Roots blower, a second electrostatic dust collection device, a switch device I, a switch device II, a switch device III and a switch device IV, wherein the telescopic sucking tube, the storage tank, the cyclone dust collector, the air cooler, the cloth bag dust collector, the first Roots blower and the first electrostatic dust collection device are communicated in sequence through pipelines; the switch device I is arranged on a pipeline for communicating the aircooler with the cloth bag dust collector; the switch device II is arranged on a pipeline for communicating the telescopic sucking tube with the bottom of the cloth bag dust collector; the switch device III is arranged on a pipeline for communicating the first Roots blower with the cloth bag dust collector; the switch device IV is arranged on a pipeline for communicating the second Roots blower with the cloth bag dust collector. Through switching of multiple switch devices, functions of dust treatment, cooling, purification and flexible control are integrated, the system is compact in arrangement, convenient to operate and repair and high in dust collection efficiency, and requirement on purification discharge of high-pressure high-temperature high-concentration dust is sufficiently met.

The invention discloses a high-temperature material conveying, discharging and dust removal system and a method. The system is applied to anode baking, comprises a retractable suction feeding pipe, abig material cabin, a cyclone dust remover, an air cooler, a first bag dust remover and a first Roots fan, and further comprises a second bag dust remover and a second Roots fan; the second bag dust remover and the second Roots fan are communicated through a pipeline; the big material cabin comprises a retractable discharging pipe arranged at the bottom; a dustproof cover is arranged outside the retractable discharging pipe; an opening is formed in the dustproof cover; and the opening is communicated with the lower part of the second bag dust remover through a pipeline. According to the high-temperature material conveying, discharging and dust removal system, the double Roots fans and the double bag dust removers are switched so as to finish dust removal in the processes of material conveying and discharging; and the high-temperature material conveying, discharging and dust removal system is a crown block dust removal system integrating dust pretreatment, cooling, tail gas purificationand flexible control, adopts a reasonable working procedure design, is scientific in structure, compact in arrangement, and convenient to operate and maintain, achieves high dust removal efficiency,and fully meets the purification and emission requirements of high-pressure high-temperature high-concentration dust.

The invention relates to a fuel emission pollution purification fuel economizer. The fuel economizer comprises a rectangular shell, wherein a fuel reaction oil pipe is mounted in the shell, and is provided with oil inlet and oil ejecting pipe joints at two ends; a far infrared radiating rod is placed in the reaction oil pipe, and is provided with corrosion-resistant springs at two ends; a permanent magnetic material is mounted at the outer side of the oil pipe, and is combined on a magnetic transfer prevention sleeve for fixing; an electronic plate is mounted at the outer side of the magnetic transfer prevention sleeve; an oscillator connected with the electronic plate is mounted at the outer side of the oil pipe; a demagnetization prevention spacer is arranged between the shell and the magnetic transfer prevention sleeve; the two ends of the shell are fixed by sealing covers; and working indicator lights connected with the electronic plate are mounted in the sealing covers. The invention relates to a fuel emission pollution purification fuel economizer; fuel molecular groups are cracked to fuel molecules in the reaction oil pipe under the influence of far infrared radiation and superstrong magnetic waves; the fuel molecules are activated through an oscillator generating ultrasonic waves; and the fuel molecules are arranged in sequence to accelerate complete combustion. Therefore, the emission pollution purification and the fuel economization are achieved.

The invention discloses a graphite dust electrostatic dedusting method based on two switches. The graphite dust electrostatic dedusting method based on two switches comprises a blower fan unit, a switch device 1, and a switch device 2; the blower fan unit is used for providing conveying power, high temperature graphite powder is delivered through a material storage unit, a pre-dedusting unit, a cooling unit, and a dedusting unit by generated negative pressure air flow successively; the switch device 1 is arranged between the cooling unit and the dedusting unit; the switch device 2 is arrangedbetween the material storage unit and the dedusting unit. In applications, the open and close states of the switch device 1 and the switch device 2 is switched to complete graphite powder feeding anddischarging, and two dedusting processes; and the open and close states of the switch device 1 is designed to be opposite to the open and close states of the switch device 2. According to the graphitedust electrostatic dedusting method, an advanced dedusting system capable of realizing dust pretreatment, cooling, tail gas purification, and flexible control is formed through two switch device switched feeding and discharging; process design is reasonable; the structure is scientific and compact; operation and maintenance are convenient; dedusting efficiency is high; and high pressure, high temperature, high concentration dust purifying discharging requirements are satisfied.

The invention discloses a graphite powder disposal and recovery system and method based on double switches. The system includes a retractable material sucking pipe, a storage tank, a cyclone dust collector, an air cooler, a cloth bag dust collector, a Roots blower and a recovery device which are communicated with one another through pipes in sequence; the Roots blower is used for providing power for conveying graphite powder, and the graphite powder is conveyed by means of negative-pressure air generated by the Roots blower; the system further includes a first switch device and a second switchdevice, the first switch device is arranged on the pipe by means of which the air cooler is communicated with the cloth bag dust collector, and the second switch device is arranged on the pipe by means of which a retractable material discharging pipe is communicated with the bottom of the cloth bag dust collector. Through the two switch devices, dedusting during material conveying and dischargingis switched, and the system is an advanced dedusting system integrating dust pretreatment, cooling, tail gas purification and flexible control; the process design is reasonable, the structure is scientific, the layout is compact, operating maintenance is convenient, the dedusting efficiency is high, and purified emission of high-pressure, high-temperature and high-concentration dust is fully achieved.

The invention belongs to the field of street lamp control, and particularly relates to an intelligent street lamp control system based on the Internet. In view of the problem that the existing streetlamp control system mostly controls by time, cannot adapt to the illumination and weather and does not have the function of air purification, the invention puts forwards the following scheme: the intelligent street lamp control system comprises a shell installed on a street lamp post, and the shell is internally equipped with a control center. The intelligent street lamp control system is characterized in that the input end of the control center is connected with a power supply module and an air quality detection module, the output end of the control center is connected with an air purification module, and the control center is electrically connected with a wireless transmitting and receiving unit, a main street lamp module and an auxiliary street lamp module. The intelligent street lamp control system can realize on-off control on the illumination of the main and auxiliary street lamps according to the illumination intensity, the automobile lighting intensity and the passing of the pedestrians, and can purify the exhaust gas of automobiles and dust when the air quality on the road side is poor.

The invention belongs to the technical field of preparation of triacetoneamine which is a hindered amine light stabilizer intermediate and a pharmaceutical intermediate, and specifically relates to aprocess for treating acetone-containing and ammonia-containing tail gas produced in the production process of the triacetoneamine. According to a main technical scheme of the invention, the process comprises the following steps: allowing the acetone-containing and ammonia-containing tail gas to enter a condenser to achieve a copious cooling condition, recovering cold energy through a gas / gas heatexchanger, then allowing obtained tail gas to enter a chemical oxidation or absorption tower with a temperature controlled in a range of 20 to 60 DEG C, subjecting oxidized or absorbed tail gas to freeze-drying with ice water for dehydration treatment, subjecting dehydrated tail gas to online monitoring, and then carrying out discharging. The process provided by the invention purifies the acetone-containing and ammonia-containing tail gas by utilizing copious cooling, chemical oxidation (or water absorption) and ice-water freeze-drying, can realize recycling of effective components in the tailgas and up-to-standard discharge of the tail gas, and has the advantages of high purification efficiency, no secondary pollution, etc.

The invention provides a waste gas treatment method and device in a glass wool production process. The treatment method comprises the following steps of: A) cooling waste gas in the glass wool production process in a sprinkling water tank, wherein the temperature of the cooled waste gas is 60-65 DEG C; B) carrying out first-time alkali treatment on the cooled waste gas in a first alkali liquor sprinkling absorption tower; C) carrying out second-time alkali treatment on the waste gas subjected to the first-time alkali treatment in a second alkali liquor sprinkling absorption tower, wherein theconcentration of the alkali liquor adopted by the first-time alkali treatment is lower than the concentration of the alkali liquor adopted by the second-time alkali treatment; D) carrying out nanometer photocatalysis on the waste gas subjected to the second-time alkali treatment in a micro-carbon nanometer photocatalysis device to obtain purified gas. According to the processing method provided bythe invention, VOCs (Volatile Organic Chemical) in a glass wool production process can be effectively removed, and an odor removal rate is high.

The invention discloses a graphite dust treatment and recycling method based on double switches. The method includes: setting a fan unit to provide conveying power and generate negative-pressure air flow to convey high-temperature graphite powder so as to allow the graphite powder to sequentially pass a storage unit, a pre-dust-removing unit, a cooling unit and a dust removing unit; setting a first switch device at a position between the cooling unit and the dust removing unit; setting a second switch device at a position between the storage unit and the dust removing unit; switching the on and off states of the first switch device and the second switch device to complete a graphite powder conveying process and a graphite powder discharging process and dust removing in the two processes, wherein the on and off states of the first switch device and the second switch device are opposite. The method has the advantages that dust removing in the conveying and discharging processes are completed through double-switch-device switching, and an advanced dust removing system integrating dust pretreatment, cooling, tail gas purification and flexible control is provided; the method is reasonable in procedure design, scientific in system structure, compact in system arrangement, convenient in system operation and maintenance and high in dust removing efficiency, and the purification and discharge requirements of high-pressure, high-temperature and high-concentration dust are satisfied sufficiently.