246results about How to "Play the role of energy saving and emission reduction" patented technology

The invention provides a compressed air energy storage and power generation integrated system based on wind and light complementation. The compressed air energy storage and power generation integrated system comprises a compressed air energy storage system part, a compressed heat storage system part, an expansion machine power generation system part and a solar heat storage system part; the compressed air energy storage system part comprises multiple stages of air compressors and an air storage tank; the compressed heat storage system part comprises cold tanks, hot tanks, first heat exchangers and second heat exchangers; the cold tanks are connected with the hot tanks through the first heat exchangers; and the hot tanks are connected with the cold tanks through the second heat exchangers. The compressed air energy storage and power generation integrated system further comprises a wind power generation system part; the wind power generation system part drives the air compressors to work, compressed air passes through the first heat exchangers, and then is stored in the air storage tank; the compressed air in the air storage tank is heated by the second heat exchangers and then high-temperature and high-pressure air is provided to expansion machines; and the solar heat storage system part provides heat to the air input to the expansion machines. The compressed air energy storage and power generation integrated system can utilize renewable energy sources, off-peak power is used in a peak period, and the functions of energy conservation and emission reduction are exerted.

The invention belongs to the technical field of building decoration and transportation, and discloses a light-weight and high-strength plastic steel sandwich board and its making method. The plastic steel sandwich board comprises two panels and a sandwich layer fixed between the two panels. The making method of the plastic steel sandwich board comprises the following steps: placing the sandwich layer between the two panels, and respectively bonding the two panels with the right and wrong surfaces of the sandwich layer through an adhesive to prepare the plastic steel sandwich board, wherein each of the panel is obtained through compounding one side of a continuous fiber reinforced thermoplastic plastic board with a non-woven fabric through hot-press molding. The plastic steel sandwich board has the advantages of light weight, high strength, heat insulation, fire resistance, moisture resistance, corrosion resistance and the like.

The invention relates to a light-weight and high-strength thermoplastic composite material sandwich board and a production method thereof. The light-weight and high-strength thermoplastic composite material sandwich board comprises two panels and a sandwich layer, wherein the sandwich layer is fixedly arranged between the two panels. The preparation method comprises the following steps: putting the sandwich layer between the two panels; and sticking the two panels on the front and rear faces of the sandwich layer by a thermoplastic glue film through a hot pressing process and a cold pressing process to produce the thermoplastic composite material sandwich board. The panels are continuous fiber enhanced thermoplastic composite material boards and the sandwich layer is made of a honeycomb aluminum material. Compared with the prior art, the thermoplastic composite material sandwich board has the advantages of light weight, high strength, heat preservation, fireproof prevention, moisture prevention, corrosion prevention and the like.

The invention relates to a method and a device for adhesion detection of a main contact of an alternating-current contactor to solve the problem that the main contact fails to disconnect in abnormality of the contactor. The device comprises an alternating-current contactor major loop, an alternating-current contactor control loop, an adhesion signal detection circuit and a master controller control circuit. The adhesion detection circuit takes signals from the lower end of the alternating-current contactor, an intermediate relay of the contactor control loop and an alternating-current contactor auxiliary contact. The adhesion detection circuit adopts passive output for outputting signals in an open-collector output mode, and the master controller control circuit takes a PLC (programmable logic controller) or MCU (micro controller unit) as the core and is capable of driving the intermediate relay to realize control of the alternating-current contactor and a forestage power source thereof. The device has the advantages of simple structure and stability and reliability in operation, various operating states of the alternating-current contactor can be detected in real time, fault signals are given out immediately once adhesion occurs, and the forestage power source is disconnected through the master controller to guarantee safety of field personnel and property.

The invention relates to a sand blasting accessory and a high-pressure slurry abrasive material jet injection system. The sand blasting accessory comprises a sand blasting accessory body, a high-pressure cylindrical water nozzle and a slurry abrasive material sucking stub pipe, wherein a cavity is formed in the sand blasting accessory body and comprises a first cavity and a second cavity; the first cavity is a cone-shaped cavity; the second cavity is a cylindrical cavity; the bottom surface of the cone-shaped cavity is communicated with one end of the cylindrical cavity; the high-pressure cylindrical water nozzle is fixed on the sand blasting accessory body at the other end of the cylindrical cavity, and is communicated with the cavity; the slurry abrasive material sucking stud pipe is arranged on the upper part of the sand blasting accessory body; and slurry abrasive materials jetted by the slurry abrasive material sucking stud pipe and high-pressure water jetted by the high-pressure cylindrical water nozzle are gathered at one end of the cylindrical cavity. By the structure, slurry and water are only required to be mixed at a high-pressure water outlet of the high-pressure slurry abrasive material jet injection system, so that abrasion of a high-pressure nozzle is reduced.

The invention discloses an overlapped organic rankine cycle efficient heat machine which solves the problem that a single-stage organic rankine cycle expansion machine component is oversize in expansion ratio and achieves purposes of reducing expansion ratio through two-stage expansion, improving safety and durability of operation of an expansion machine and simultaneously improving efficiency of the heat machine. The organic rankine cycle efficient heat machine is mainly composed of a residue temperature heat source system (comprising renewable energy sources such as solar thermal power, various industrial waste heat, terrestrial heat, biomass energy, ocean thermal gradient and the like), a working medium pump, a cooling water system, a heat exchanger (respectively serving as an evaporator and a condenser on an evaporation side and a condensation side) and the expansion machine. The overlapped organic rankine cycle efficient heat machine is based on organic rankine cycle, uses the high-low-two-stage expansion machine, and uses superheated steam coming from the evaporator to drive the expansion machine to have expansion work to push a generator to generate electricity. Reclamation of energy is achieved on one hand, environmental protection can be favorably achieved on the other hand, and the overlapped organic rankine cycle efficient heat machine has good practical applicability and economical efficiency.

The invention provides a cement grinding aid. The cement grinding aid comprises raw materials as follows: triethanolamine, polyether polyol, sodium hydroxide, sodium thiosulfate and a biochemical waste liquid, wherein the biochemical waste liquid is one of or a mixture of a waste liquid produced during production of industrial sodium gluconate and a waste liquid produced during production of an industrial itaconic acid product. The cement grinding aid can optimize the cement grain composition, activate the early strength of cement, improve the powder grinding efficiency of the cement and reduce energy consumption.

The invention discloses corrosion-resistant high-strength light steel and a preparation method, and belongs to the technical field of alloy steel. The steel comprises the following chemical components of, in percentage by weight, 1.4wt%-1.7wt% of C, 25wt%-30wt% of Mn, 10wt%-12wt% of Al, 3wt%-5wt% of Cr, 0.05wt%-0.1wt% of Nb, less than or equal to 0.003wt% of S, less than or equal to 0.003wt% of P and the balance Fe and inevitable impurities. The preparation method comprises the following steps that a vacuum induction furnace is adopted for smelting, a cast ingot is manufactured through casting, and the cast ingot is homogenized for 10 hours-15 hours at the high temperature of 1100 DEG C-1200 DEG C; the cast ingot is subjected to homogenization treatment and then forged into a square billet; the forging stock is heated to 1180 DEG C-1200 DEG C, and the temperature is maintained for 2 hours-4 hours; 5 passes-8 passes of hot rolling are conducted on the homogenized forging stock, the forging stock is water-cooled to the room temperature, and the corrosion-resistant high-strength light steel is obtained; and the density of the steel is smaller than 6.5 g/cm < 3 >, the yield strength is 1000 MPa-1200 MPa, the tensile strength is 1100 MPa-1300 MPa, the ductility is larger than 20%, and the steel has corrosion resistance superior to that of common steel and has wide application potential in the fields of automobiles, ships, hydropower, wind power and the like.

The invention provides a blending and treating system for ventilation air methane and drainage methane in a coal mine. The blending and treating system comprises a ventilation air methane inducing cover (6), a ventilation air methane conveying pipeline (7a), a drainage methane connection pipeline (4), a mixer (M), a mixed gas conveying pipeline (7b), an induced draught fan (11) and a heat-accumulating type high-temperature oxidation apparatus (12). A gas outlet of the drainage methane connection pipeline (4) is communicated with the ventilation air methane conveying pipeline (7a), so the drainage methane is sucked into the ventilation air methane conveying pipeline (7a) from the drainage methane connection pipeline (4) and uniformly blended with the ventilation air methane in the ventilation air methane conveying pipeline (7a); and the obtained mixed methane is conveyed to the heat-accumulating type high-temperature oxidation apparatus (12) by the mixed gas conveying pipeline (7b) for oxidation treatment. The blending and treating system can realize safe acquisition, blending and conveying of the ventilation air methane and the drainage methane in the coal mine, provides a safe gas source for subsequent utilization projects like heat-accumulating type high-temperature oxidation and discharges thoroughly oxidized products into the atmospheric environment.

The invention provides a method and a device for removing carbon dioxide and hydrogen sulfide from methane by a water dissolving method. In the method, according to different solubility of various ingredients of the methane in water, carbon dioxide (CO2) and hydrogen sulfide (H2S) in the methane are dissolved in tap water by controlling pressure, liquid gas ratio and temperature of an absorption tower; and the water, in which the carbon dioxide and the hydrogen sulfide are dissolved, can be recycled through regeneration. The device is simple, convenient to operate, low in investment, and convenient in industrialized production; in particular, effect of removing CO2 and H2S is obviously improved through filling design in the absorption tower and use of a redistributor; and regeneration effect of the water is improved through use of a heat exchanger. In the methane treated by the device and the method, the methane content is obviously increased; the maximum of the methane content can reach 97 to 99 percent; and a heat value is obviously increased.

The invention provides an industrial furnace high-pressure inner-mixed type system for atomizing vegetable fat or bio-oil to be burned and a method thereof, and belongs to the technical field of energy sources and environments. The vegetable fat or the bio-oil which is filtered and dehydrated serves as an incendiary agent, the high-temperature air serves as an atomizing medium, the oil gas is conveyed into a high-pressure oil and gas mixing chamber of a burner through an automatic adjusting valve control device, a high-pressure blowing nozzle is inserted into a furnace combustion chamber from the periphery of an industrial furnace, the nozzle atomizes the oil gas into the combustion chamber of the industrial furnace to be burned in a corner tangential mode, hot air fed from other inlets supply sufficient oxygen, the problems that the vegetable fat and the bio-oil atomizing particles are large, incomplete in combustion, low in combustion efficiency and the like are solved, and the system has the advantages that the vegetable fat and the bio-oil atomizing particles are small, the atomizing quality is good, combustion is sufficient, the combustion efficiency is high, oil is saved, and low emission is achieved.

The invention discloses sewage treatment equipment applicable to living sewage treatment of multiple families. The sewage treatment equipment comprises an external tank, wherein an anaerobic zone, anaerobic zone, a settling zone, a sludge reduction zone and an equipment zone which are separated from one another are arranged inside the external tank; the anaerobic zone, the aerobic zone, the settling zone and the sludge reduction zone are sequentially communicated; the anaerobic zone is communicated with a septic tank; the aerobic zone is communicated with the anaerobic zone to flow back a part of a mixed liquid into the anaerobic zone; the settling zone is communicated with the anaerobic zone to flow back a part of activated sludge into the anaerobic zone; the sludge reduction zone is communicated with the anaerobic zone or the septic tank; a detection unit for detecting various parameters in the sewage treatment process and a controller for controlling working states of different sewage treatment devices of the sewage treatment equipment according to detection results of the detection unit are arranged in the equipment zone. The sewage treatment equipment is applicable to livingsewage treatment of multiple families, is stable in effluent quality, can be automatically adjusted, and plays roles of energy conservation and emission reduction.

The invention provides a green and energy-saving anti-dazzle system for a highway tunnel portal. The green and energy-saving anti-dazzle system comprises a structural canopy and a controller which are arranged outside the highway tunnel portal, wherein vehicles enter and leave a tunnel through the structural canopy; an anti-dazzle unit connected with the controller and used for adjusting the transmittance amount automatically according to ambient light brightness is arranged at the top of the structural canopy. According to the green and energy-saving anti-dazzle system for the highway tunnel portal, the transmittance amount of the tunnel portal can be adjusted automatically according to the ambient light brightness, the problem about inside and outside light transition when the vehicles travel in and out of the tunnel portal is solved, the visual impact of drastic brightness change on drivers is reduced, not only can the strengthened lighting brightness level of the tunnel portal section be reduced, but also the solar energy can be converted into electric energy to supply power to the system, meanwhile, power is also supplied to night lighting lamps of the tunnel portal, energy consumption of the tunnel engineering during operation is reduced greatly, and the functions of energy saving and emission reduction are realized.

The invention relates to an engine idle speed reduction oil saving method and device. The method comprises the steps that driving state information of a current vehicle, the rotation speed of an engine and current speed changing intention information of a driver are detected; whether the current vehicle is in an idle speed state or not is judged according to the driving state information and the rotation speed of the engine; and if yes, whether the rotation speed of the engine of the current vehicle is adjusted from the current first idle speed to a preset low idle speed or not is determined according to the speed changing intention information. The scheme can be achieved only by an electric control system of the engine, the production cost of the engine does not need to be additionally increased, the problem that as the starting performance of the vehicle is reduced, the user experience is reduced is avoided, and the functions of energy conservation and emission reduction can be achieved.

The invention relates to an adjustable damping feedback energy suspension system with a driving behavior prediction model and a control method of the adjustable damping feedback energy suspension system. A hydro-pneumatic spring comprises a hydro-pneumatic spring main body, a feedback energy mechanism and a damping force control mechanism. An electronic control unit is connected with the damping force control mechanism, a traffic environment data acquisition module and a driving behavior data acquisition module. The traffic environment data acquisition module is used for judging whether other vehicles exist around a self vehicle or not and collecting the distance between the self vehicle and the front vehicle, the distance between the self vehicle and the rear vehicle, speed information of the front vehicle and speed information of the rear vehicle. The driving behavior data acquisition module is used for acquiring the horizontal rotating angle of the head of a driver in the driving process, the treading stroke and the frequency of an accelerator pedal and the treading stroke and the frequency of a brake pedal. The damping force control mechanism is used for adjusting the damping coefficient of the hydro-pneumatic spring. The feedback energy mechanism is used for recycling vibration energy of the vehicle in the running process. Meanwhile, according to the driving behavior prediction model, a suspension can predict the driving behavior in advance and adjust performance parameters in time according to the traffic environment so that the driving smoothness and the operating stability can be improved.

The invention relates to a self-cleaning street lamp. The self-cleaning street lamp is characterized by comprising a lighting part, a supporting part and a cleaning part, wherein the lighting part is fixed on the supporting part; the cleaning part is built in the supporting part and connected with the lighting part; the lighting part comprises a glass lens, an LED bulb and a lampshade; the LED bulb is arranged in the lampshade; the glass lens is positioned at the lower end of the lampshade and forms a closed space together with the lampshade; and the lampshade is fixed on a lamp arm. According to the scheme, the self-cleaning street lamp has a favorable lighting field of vision and is high in lighting brightness. When the self-cleaning street lamp is used for daily lighting, real-time fixed-point self-cleaning can be realized, so that long-time cleanliness of the glass lens of the street lamp can be guaranteed, an optimal lighting effect is achieved, and the walking and driving safety of people can be strongly guaranteed.

The invention discloses a serrated twitch roller body, which comprises a cylindrical roller body and a covering body. The covering body is a stainless steel pressed part, arc-shaped ribs are uniformly distributed on the outer surface of the covering body, the upper ends of the arc-shaped ribs are arc structures, each two adjacent arc-shaped ribs are connected by a bottom transitional plate, drainage grooves are formed by the transitional plates and the bottoms of the arc-shaped ribs, and the covering body is covered on the cylindrical roller body by means of welding. The serrated twitch roller body is simple and reasonable in structure, problems of an existing twitch roller in the prior art are solved, the ribs are distributed on a cloth guide working face, the drainage grooves are formed at the lower ends of the ribs, contact with fabrics is reduced, abrasion of the fabrics is extremely low, an original surface washing mode is changed into a penetrating washing mode, a washing effect of the fabrics is improved, and effects of energy conservation and emission reduction are realized.

The invention discloses a decorative panel production line applying intelligent RGVs (Rail Guided Vehicle). A feeding RGV and a discharging RGV are correspondingly arranged at a feeding end and a discharging end of each of a plurality of sets of panel pressing equipment respectively; a transferring RGV and a transition conveying RGV are matched to work; a decorative panel product on the discharging RGV is conveyed to a panel airing production line to finish cooling work of the decorative panel product, and the decorative panel product is conveniently conveyed into a cabin for storage subsequently. The decorative panel production line is provided with a first photoelectric approach switch, a laser range finder, a control device and the like to automatically and coordinately control the conveying work of the feeding RGV, the discharging RGV, the transferring RGV and the transition conveying RGV. The RGVs are used for replacing a previous forklift working manner, and a plurality of sets of flexible production line products can be gathered on one conveyor line, so that a transportation route is optimized and the space of a factory is saved; the energy consumption is reduced, the utilization of non-renewable energy resources is reduced, no waste gas is emitted, and the effects of energy saving and emission reduction, and pollution reduction are realized.

The invention discloses a large-temperature-difference steam exhaust waste heat recovery system of a coal-fired power plant heat supply head station. The large-temperature-difference steam exhaust waste heat recovery system is characterized by comprising a boiler, a steam turbine, a condenser, a waste heat recovery heat exchanger, a steam absorption type heat pump, a steam jet type heat pump, waste heat peak adjusting equipment and an absorption type heat exchange unit. The large-temperature-difference steam exhaust waste heat recovery system solves the problem that low-pressure steam exhaustwaste heat of a steam turbine is not sufficiently recycled at present.

The invention provides a mechanical step speed changer special for a harvester, which is low in oil consumption and simple and convenient for operation. The mechanical step speed changer comprises a manipulating unit and a gear speed change unit. The manipulating unit and the gear speed change unit are connected. The gear speed change unit comprises a power input shaft system, a middle shaft system and a power output shaft system arranged in parallel in sequence. The power input shaft system comprises a power input shaft and a speed-change combined gear assembled on the power input shaft. A power separator for cutting the power input during gear shaft operation is assembled at the input end of the power input shaft. The manipulating unit can drive the speed-change combined gear to axially slide along the power input shaft to realize engagement of corresponding gears among shaft systems. The middle shaft system comprises a middle shaft and a middle rack wheel and a middle pinion which are assembled on the middle shaft. The power output shaft system comprises a power output shaft and a high speed output gear, a back output gear and a low speed output gear which are assembled on the power output shaft. The back output gear on the power output shaft is always engaged with the middle pinion on the middle shaft.