108results about How to "Meet the needs of energy saving and emission reduction" patented technology

The invention relates to a clinker-free compound-type tailing consolidating agent as well as a preparation and an application for the same, wherein the clinker-free compound-type tailing consolidating agent comprises the following components in percentage by weight: 55-72% of blast furnace water-quenched slag, 20-35% of desulfurization ash, and 2-15% of compound excitant. Via the clinker-free compound-type tailing consolidating agent disclosed by the invention, a new way is opened up for comprehensive utilization for the industrial solid wastes aforementioned, the cemented filling cost of tailing is reduced, and the purpose of treating wastes by using wastes is realized, thus obtaining remarkable, economic, social and environmental benefits.

The invention relates to an igniting method for a gasification furnace start-up burner. The method comprises the following steps of: before ignition, putting a start-up burner into a hearth of a gasification furnace and purging the start-up burner with nitrogen; and in the ignition process, introducing pure oxygen and diesel into the start-up burner, adjusting nitrogen flow, wherein the pure oxygen flow is 1.15-1.40kg / s, the diesel flow is 0.3-0.45kg / s, and the nitrogen flow is 0.01-0.05kg / s. According to the invention, through introducing certain nitrogen in the ignition process and replacing pure oxygen combustion with oxygen enriched combustion, the phenomenon that the start-up burner is easy to damage because of partial overheating is avoided effectively, and the phenomenon that the start-up burner is damaged by the greater temperature fluctuation of the start-up burner caused by the frequent adjustment of the flow of the fuel diesel in the start-up burner is avoided simultaneously; the ignition success rate of the gasification furnace is improved, the labor intensity is reduced, the production cost is saved, and the maintaining expense is reduced.

The invention discloses a flue gas desulfurization byproduct-based inorganic gelled material and a preparation method thereof. In the material, desulfurization ash generated in flue gas desulfurization treatment of a coal fired power plant is used as a main material; and slag, gypsum and cement clinker are mixed and ground with the main material to form the inorganic gelled material. The inorganic gelled material comprises the following components in percentage by weight: 30 to 40 percent of desulfurization ash, 45 to 55 percent of slag, 3 to 5 percent of gypsum and 8 to 12 percent of cement clinker. Because the desulfurization ash is used as a raw material for preparing the inorganic gelled material, no or little natural resource is used, and secondary pollution of the desulfurization ash is reduced. The preparation method comprises the steps of raw material selection, pre-grinding, mixing and grinding. Because the mechanical means is adopted, the raw materials do not need high-temperature calcination treatment, the manufacturing process is very compact, the production cost is extremely low, high energy consumption and high pollution caused by calcination can be avoided, the energy can be greatly saved, and the requirements of energy conservation and emission reduction are met. By detection, various inspection indexes of the inorganic gelled material meet the requirement of 22.5 strength level in GB / T3183-2003 Masonry Cement, and the inorganic gelled material can fully replace the traditional product.

The invention relates to a non-sintered brick based on a flue gas desulfurization byproduct and a preparation method thereof. The brick is prepared by the following steps: desulfurated ash produced by desulfuration treatment on flue gas generated in a coal fired power plant is taken as a main material, cement, fly ash, gypsum and sand are taken as auxiliary materials, water is added into the main material and the auxiliary materials, the mixture is evenly stirred and then is subject to compression moulding to obtain the brick, wherein the solid raw materials contain the following components by weight percent: 30-35% of the desulfurated ash, 10-15% of the cement, 5-10% of the fly ash, 3-5% of the gypsum and 40-50% of the sand; and the adding amount of the water accounts for 10-12% of the total weight of the solid raw materials. Because the brick takes the desulfurated ash as the raw material instead of solid clay, and natural resources are not used or used as little as possible, which avoids the damage on land resources owing to taking clay and reduces secondary pollution of the desulfurated ash. The preparation method comprises the steps of taking raw materials, mixing the raw materials, carrying out compression moulding and carrying out later-period consevation. The brick is not subject to high temperature sintering treatment, thus energy consumption is greatly reduced, and the protection and the improvement on ecological environment can be achieved more easily. Tests indicate that the non-sintered brick has strength grade greater than or equal to MU 10 grade, and can fully replace the traditional solid clay brick.

The invention discloses a method for preparing active carbon by white spirit grains. The method comprises the following steps of pre-drying, drying, carbonizing, activating, recovery of pyrolysis products, cooling and refining. The increment of downstream products of the white spirit grains is greater than the investment input and the economic benefit is high, while the requirement on energy conservation and emission reduction can be met and the industry upgrading of the white spirit industry is improved, the method has great significance in developing the circular economy. The invention also discloses a device for preparing the active carbon by the white spirit grains. The device comprises an integrated furnace, an air current dry feeding system, a burning furnace and a gas-fired boiler, wherein the integrated furnace consists of a drying section, a carbonizing section, an activating section, a cooling section and an unloading section which are sequentially arranged from top to bottom; a heat exchange element of the drying section comprises a gas collecting angle boxes and gas discharging angle boxes which are alternately arranged abreast, so that hot smoke gas forms multiple strands of horizontal airflow in the drying section; materials which pass through the drying section are stressed laterally so as not to easily form a bridge; therefore, the integrated furnace can normally work while the white spirit grains are treated.

The invention discloses an intelligent induction LED corridor lamp which comprises an illuminating lamp assembly and a switch assembly for controlling the on / off state of the illuminating lamps, wherein the illuminating lamp assembly is an LED lamp assembly, and the switch assembly is a human-body pyroelectric infrared induction switch. The invention has the advantages of strong anti-interference capability, favorable energy-saving effect and the like, adopts the safe and reliable human-body infrared detection technology, and can create a quiet and comfortable living environment for people.

The invention discloses a method for fully recycling yellow water in a white spirit production process. The method comprises the following steps: firstly, separating yellow water in a raw material tank by virtue of a porous separating membrane system; feeding yellow water clean liquor permeating a porous separating membrane into a pervaporation membrane for further separation; enriching most alcohol, aldehyde and ester matters through the pervaporation membrane on the other side of the membrane in the form of gas state; recovering the matters which are condensed by using a condenser of a pervaporation membrane system to a product storage tank for blending white spirit; increasing fragrant component and the like in original spirit; and further recovering intercepted porous separating membrane permeating liquor and pervaporation membrane permeating liquor. The method disclosed by the invention has the remarkable characteristic that the yellow water recovery efficiency is improved by virtue of two membrane separating and integrating methods including the porous separating membrane and the pervaporation membrane, so that the effective matters of the yellow water are utilized to a maximum extent, thereby thoroughly solving the outlet problem of the yellow water. In addition, the method further has the advantages of being simple in equipment and low in separating energy consumption and has strong practicality.

A humidity sensor is used as a special gas sensor and has a wide use in the fields of environment, safety, meteorology and medical treatment. For better meeting and solving the needs and conventional problems of humidity sensors in application, the development of a sensor with high sensitivity, strong selectivity, high response speed and high stability attracts much attention. A copper oxide nanosheet (CuO), copper oxide nanosheet-multi-walled carbon nanotubes (CuO-MWCNTs) and a copper oxide nanosheet-graphene (CuO-Graphene) composite material are prepared by a simple in-situ oxidation-reduction method, the ratio of the materials, additives and a solvent is further regulated, a printing ink for silk-screen printing is prepared, double-layer overprinting is performed on a flexible polyethylene terephthalate thin film (PET) by a silk-screen printing machine, and the humidity sensor for humidity detection is printed out. The humidity sensor has the advantages of low detection limit, high sensitivity, good stability and the like and has a certain application prospect in the future practical application.

The invention discloses a truck whole vehicle automatic coating system and coating method. According to the system, a whole truck is carried by sliders to enter / leave the coating system. A code scanning gun, a rotatable rotary roll, a 3D visual system which is installed on the rotary roll and a spraying robot which is installed on a ground production line and in data transmission connection with the 3D visual system are included, a glue gun is installed on the spraying robot, the glue gun is provided with nozzles of different angles, and a PLC controlling system which controls all data signalsand a human-computer operation platform are included. The system has the advantages that the investment of labor force can be reduced, the waste of glue is reduced, the production efficiency is improved, and the demands of energy saving and emission reduction by existing enterprises are met; the advantages of high automation level, high repeating precision, stable technology and the like are achieved by adopting a robot coating technology, and the system and the method have higher using value on welding sealing glue coating working positions in truck industries.

The invention provides a pervaporation-normal pressure rectification integrated process for separating dimethyl carbonate and methanol. The process is characterized in that when the azeotropic solution of dimethyl carbonate and methanol obtained in a reactive rectification tower passes through a pervaporation membrane system and due to the difference of the adsorption permselectivity of a pervaporation membrane to components, the methanol-dimethyl carbonate azeotropic bottleneck is effectively broken, the low-concentration side dimethyl carbonate liquid is returned to the reactive rectification tower for cyclic separation, while the high-concentration side dimethyl carbonate liquid is conveyed to a normal pressure rectification tower and separated by the normal pressure rectification tower to obtain the dimethyl carbonate product having the quality purity of more than 99.6% at the bottom of the tower, and the methanol-dimethyl carbonate azeotropic liquid obtained at the top of the tower is mixed with the azeotropic liquid of the reactive rectification tower for next cyclic separation. According to the pervaporation-normal pressure rectification integrated process for separating dimethyl carbonate and methanol, the quality of the dimethyl carbonate product is improved at low energy consumption and the production process and equipment are simplified; the process has the advantages of simplicity and convenience in operation, economic efficiency, adjustability, high integrity and the like.

The invention provides a tubular concrete bridge pier in order to overcome the defects of an existing reinforced concrete bridge pier. The tubular concrete bridge pier is composed of a pier column lower end joint section body, more than one pier column standard joint section body and a pier column upper end joint section body. The pier column lower end joint section body is placed on a foundation, the upper end of the pier column lower end joint section body is connected with the lower end of the pier column standard joint section body, and the upper end of the pier column standard joint section body is connected with the lower end of the pier column upper end joint section body. The tubular concrete bridge pier has the advantages that the using amount of concrete is reduced compared with the using amount of the concrete of a traditional solid bridge pier, the economy is improved, and meanwhile the demand for energy conservation and emission reduction is met; a pre-tensioning method prestress component is used, so that the anti-cracking performance of pier columns is effectively improved; steel components are used between bridge pier joint sections, and the safety of bridge pier structures under the earthquake action can be effectively improved.

The invention provides an electromagnetic unit and a capacitor voltage transformer including the electromagnetic unit. The electromagnetic unit comprises an intermediate voltage transformer, a compensation reactor and a damping reactor, wherein the intermediate voltage transformer, the compensation reactor and the damping reactor are subjected to integral epoxy pouring, a lower-voltage terminal XT of the intermediate voltage transformer is connected with a wiring terminal AL of the compensation reactor, and a high-voltage terminal AT of the intermediate voltage transformer is guided out from a pouring body; a grounding terminal XL of the compensation reactor is grounded; and the damping reactor comprises a coil and a resistor, wherein the coil is connected with a secondary residual winding of the intermediate voltage transformer, and the resistor is externally arranged on the exterior of the pouring body.

The invention discloses a heat stabilizer for PVC (polyvinyl chloride) and a preparation method and application thereof. The preparation method includes: subjecting tung maleic anhydride and para aminobenzoic acid to anhydride aminolysis reaction to obtain N-(3-amino-benzoyloxy) tung maleic amic acid; performing one-step reaction of the prepared N-(3-amino-benzoyloxy) tung maleic amic acid and metal oxides or metal hydroxides in solvent to prepare liquid N-(3-amino-benzoyloxy) tung maleic amic acid metal salt; compounding the prepared N-(3-amino-benzoyloxy) tung maleic amic acid calcium salt with zinc salt to obtain a liquid composite heat stabilizer. The prepared calcium-zinc liquid composite heat stabilizer has advantages of nontoxicity, freeness of heavy metals, environment friendliness and the like and endows PVC products with high heat stability and transparency. The preparation method is simple in process route and mild in condition, raw materials which are selected from natural environment-friendly renewable resources are rich in source and low in cost.

The invention relates to 2-methylimidazole zinc salt as well as a preparation method and application thereof. The preparation method comprises the following steps: taking zinc nitrate hexahydrate and 2-methylimidazole as raw materials, and obtaining 2-methylimidazole zinc salt (ZIF-8) in presence of a catalyst; and compounding 2-methylimidazole zinc salt with calcium stearate and zinc stearate to obtain a calcium-zinc composite heat stabilizer. The prepared 2-methylimidazole zinc salt heat stabilizer has the characteristics of no toxicity, no heavy metal, large specific surface area, environmental friendliness and the like, the obtained calcium zinc composite heat stabilizer is an efficient composite heat stabilizer, has good compatibility with PVC and can be easily dispersed, and better initial and long-term thermal stabilities and transparency are given to a PVC product. The preparation method is simple and environmentally friendly in technological route, the raw material source is rich, and the price is low.

The invention belongs to the technical field of the production of an enamel product, and particularly relates to a double-spray one-sintering low-temperature sintering spraying technology. The spraying technology is characterized in that a ground coat is firstly coated on a metal blank in the production process of the enamel product, then a cover glaze is coated, and finally the enamel product is sintered in one step, therefore, the one-time sintering procedure can be simplified, the production cost of the enterprise can be effectively reduced, the production efficiency of the enamel product can be increased, the production flow can be saved, and the national requirement of energy conservation and emission reduction also can be met. Clay and different electrolytes are unnecessary to add in the ground coat and the cover glaze, the sintered enamel surface is smooth and compact, the porous rate is low, miscellaneous points and different colors can be obviously reduced, the situation that the exhaust direction is gradually escaped and dispersed from the non-enamel surface in the traditional technology and an air passage directly leading to the enamel surface is difficult to form can be well solved, and the appearance defects such as pin holes, bubbles and the like can be avoided.

The invention relates to a network equipment energy-saving method supporting frequency-modulation and consumption reduction. The method includes the following steps that firstly, a function module is considered as a unit, and the function modules are classified into a frequency-modulation region or a non-frequency-modulation region according to whether the function modules have frequency-modulation capacity or not; secondly, a clock domain crossing interface is designed, the asynchronous clock communication among the frequency-modulation modules and among the frequency-modulation modules and the non-frequency-modulation modules is finished; finally, a frequency arbiter makes a frequency-modulation decision according to the using condition and the multi-threshold frequency-modulation strategy of the clock domain crossing interface and gives out a corresponding clock signal or a control signal to achieve frequency switching. By means of the method, the working frequency of the function module inside a network device can be adjusted according to the network load, the electricity consumption of the network device can be reduced greatly without affecting the user experience, the applicability of the network environment is good, the requirements of current network operators, equipment firms and users for the functions of energy conservation and emission reduction of the network device are met, the economical benefits is remarkable, and the application prospects are wide.

The invention relates to the technical field of diesel generating sets, in particular to a fan speed-regulating device and speed-regulating method for a diesel generating set. The fan speed-regulatingdevice comprises a crankshaft belt wheel, an electromagnetic clutch, a fan, a water temperature sensor and a controller, wherein the crankshaft belt wheel is connected on an engine crankshaft of a diesel generating set; a driven end of the electromagnetic clutch is connected with a rotary shaft of the fan; a clutch belt wheel is arranged on the drive end of the electromagnetic clutch; the crankshaft belt wheel is connected with the clutch belt wheel through belt transmission; a water temperature sensor used for detecting temperature of water or inter-cooled water of an engine cylinder sleeveis arranged on the engine; and the controller is separately connected with the electromagnetic clutch and the water temperature sensor. The fan speed-regulating device can effectively reduce oil consumption, reduces waste gas emission of the generating set, prolongs the service life of the generating set, brings considerable fuel oil cost reduction, and meets energy-saving emission-reducing needs.

The invention discloses motor core manufacturing equipment and manufacturing method. The motor core manufacturing equipment comprises a laminated plate laminating device used for laminating at least two layers of ultrathin strips into a laminated plate, a cutting device used for cutting the laminated plate to obtain plate sheets, and a dispensing mechanism used for spraying glue on the surfaces ofthe plate sheets to bond the adjacent plate sheets together. According to the motor core manufacturing equipment, ultrathin strips can be compounded into a laminated plate, the laminated plate can becut through the cutting device, the cutting efficiency is improved, and the requirement for the cutting device due to the fact that the to-be-cut sheets are too thin is lowered.

The invention discloses a numerically-controlled methanol condensation boiler, and provides a boiler which takes methanol as a fuel, and can meet the requirements of energy conservation and emission reduction. The methanol numerical control condensation boiler is characterized in that a shell is internally divided into a first heat transfer chamber and a second heat transfer chamber which are mutually communicated through a partition plate, the lower part of the first heat transfer chamber is provided with a methanol burner, the methanol burner is provided with an inclosed pan body, and the pan body is provided with a first water inlet and a first hot water outlet; the second heat transfer chamber is internally provided with a flue, the periphery of the flue is covered by a heat exchanger, the heat exchanger is internally provided with a superconductive pipe, and the heat exchanger is respectively provided with a second hot water outlet and a second water inlet; and the shell is provided with a combustion control device, and the combustion control device controls the start and stop of a methanol burner according to the temperature of the hot water outlet of the boiler. The numerically-controlled boiler adopts the methanol as a fuel, the combustion of the methanol can not generate the pollution, the requirements of energy conservation and emission reduction are met, and an environmental requirement is met; and the heat exchanger is arranged on the periphery of the flue, the water in the heat exchanger is heated through the superconductive pipe, the fume is condensed, the fume emission temperature is low, and the fuel utilization ratio is high.

The invention relates to a path planning method and device, a server, a vehicle and a storage medium. The method comprises the following steps: receiving a path planning request, wherein the path planning request carries an initial position and a final position; performing path planning based on the initial position and the final position to obtain a plurality of initial paths; for each initial path, calculating a path energy consumption parameter corresponding to the initial path; and selecting a target path from the initial paths according to the path energy consumption parameters. According to the embodiment of the invention, in the process that the vehicle runs from the real-time position to the final position based on the target path, the energy consumption of the vehicle can be reduced, so that the requirements of energy conservation and emission reduction of a user can be met.

The invention discloses novel indoor purifying equipment for an energy saving room. The novel indoor purifying equipment comprises a box, a fresh air inlet, a first air return inlet and an air outletare formed in the box, the box is internally provided with a low-efficiency filtering net, a first surface cooler, a heater, a humidifier, a second surface cooler, a draught fan, a medium-efficiency filter and a high-efficiency filter in sequence, the low-efficiency filtering net is close to the fresh air inlet and the first air return inlet, and the high-efficiency filter is close to the air outlet. By means of the novel indoor purifying equipment for the energy saving room, external fresh air and air in the energy saving room can be mixed, the mixed air is subject to first-time filtering, heating and humidification, middle-grade filtering and high-grade filtering, efficient and thorough purification is applied to the indoor air actively, the requirements for energy saving and emission reduction are met, the external fresh air can be introduced in good time, and the indoor air quality is greatly improved.

The invention belongs to the field of dehumidification equipment, and provides a four-season-type water-cooled dehumidification system. The dehumidification system further comprises a heat exchangingdevice, an auxiliary condensing unit, a post-heating device, an air outlet fan and a system control device, wherein the heat exchanging device is connected with a refrigeration device so that air existing before entering an evaporator and air treated by the evaporator can be subjected to heat exchanging; the auxiliary condensing unit is arranged on an outlet channel of the heat exchanging device and further comprises an auxiliary condenser, and the auxiliary condenser is connected with a main condenser in series; the post-heating device is arranged behind the auxiliary condensing unit and usedfor heating the air flowing through; the air outlet fan is arranged at the outlet position of the dehumidification system and used for exhausting the air; and the system control device is used for controlling the system to operate according to the monitored temperature and humidity data. Compared with the prior art, by canceling a rotary dehumidification device and additionally arranging the heatexchanging device and the auxiliary condensing unit, electric power consumption of the system can be greatly reduced on the premise that the dehumidification requirements in the four-season environment are met, and good energy saving and emission reduction effects are achieved.

The invention relates to a device and a process for preparing methanol and butyl acetate. The device comprises a reaction distillation column and a first pervaporation membrane separation system, wherein the n-butyl alcohol inlet of the reaction distillation column is formed above a methyl acetate inlet; a reboiler is connected with the bottom of the reaction distillation column; a total condenseris connected with a recovery hole in the top of the reaction distillation column; the outlet of the total condenser is connected with the reaction distillation column and the first pervaporation membrane separation system respectively; the penetrating fluid outlet of the first pervaporation membrane separation system is connected with a methanol outlet; and a penetration residual liquid outlet isconnected with the methyl acetate inlet. By adopting the device and the process, a reaction distillation-pervaporation integration process is adopted to prepare methanol and butyl acetate with high purity, the reflux ratio is greatly reduced, the volume of the reaction distillation column can be reduced, the reactant, namely the methyl acetate, is easy to obtain, large-size refining equipment canbe avoided, the technical route is simple, the energy consumption is low, environment pollution is avoided, equipment investment and production cost can be remarkably reduced, and requirements of energy conservation and emission reduction can be met.

The invention discloses a publicity plate for a construction site using new energy power supply, which comprises a supporting plate, wherein the periphery of the bottom of the supporting plate is fixedly connected with a supporting mechanism, the front end of an inner cavity of the supporting plate is provided with a first chute, the rear end of the inner cavity of the supporting plate is providedwith a second chute, and the inner cavities of the second chute and the first chute are respectively slidably connected with a second drawing plate and a first drawing plate, the front surfaces of the second drawing plate and the first drawing plate are embedded with a magnetic plate, the top of the supporting plate is fixedly connected with a power supply mechanism, the middle end of the bottomof the supporting plate is fixedly connected with a magnetic button placing box, and the diameter of a magnetic button placed in the magnetic button placing box is two centimeters, and the thickness of the magnetic button is five millimeters. According to the publicity board for construction site using new energy power supply, the power supply mechanism is fixedly connected at the top of the supporting plate, so that the utilization requirement of people on solar energy can be met, the utilization rate of the solar energy is effectively improved, the loss of commercial power is reduced, the national energy-saving and emission-reduction requirements are met, meanwhile, the publicity board can be better used under any condition, and the publicity effect is improved.

The invention discloses traditional Chinese medicine cleaning and processing equipment. The traditional Chinese medicine cleaning and processing equipment comprises a housing, wherein left and right ends of the top of the inner cavity of the housing are fixedly connected with electric telescopic poles; the bottoms of the electric telescopic poles are fixedly connected with a mounting frame; the inner surface of the mounting frame is movably equipped with a first rotary shaft; the outer surface of the first rotary shaft is fixedly connected with a first brush; the lower end of the front surfaceof the electric telescopic pole at the left side is fixedly connected with a supporting base; and the upper surface of the supporting base is fixedly equipped with a waterproof motor. According to the traditional Chinese medicine cleaning and processing equipment disclosed by the invention, left and right ends of the top of the inner cavity of the housing are fixedly connected with electric telescopic poles, and the mounting frame, the first rotary shaft, the first brush, the supporting base and the waterproof motor as well as a third rotary shaft, a second rotary shaft, a second brush, a stirring motor and a belt act, so that efficient cleaning needs for traditional Chinese medicines of different types by people can be met, the cleaning effect for the traditional Chinese medicines by theequipment is effectively improved, and great convenience is brought to use of people.

The invention discloses a roof greening method of an energy-saving system with maintenance-free and automatic cycle growth performance. The method comprises steps as follows: (1) factor-like module production: 1.1 disinfection, tissue culture and stock seed planting are performed on stems of wild creeping inchplant; 1.2 plantation soil, special humus and a water retaining agent are evenly mixed in the volume ratio of (3-3.5):6:(0.5-1), disinfected and dried in the sun, and special culture soil is prepared for use; 1.3 special square plastic trays with the size of 50-60 cm*30 cm are customized, and 200 g / m<2>-300 g / m<2> of geotextile of is spread at bottoms of the trays; (2) roof greening engineering construction. The plant adopted in the method is a wild herb which is selected naturally and excellent and resistant to drought and high temperatures, and persistence and stability of the plant in outdoor cycle growth of many years are higher than that of plants in roof greening; a wild herbaceous plant module is combined with a special matrix and matched measures, the characteristics of the original plant are greatly enhanced, and annual non-watering irrigation, fertilization and disinsection of roof greening, automatic cycle growth for many years and the like are realized.

The invention relates to a multi-stage centrifugal pump impeller intelligent optimization method based on an improved particle swarm optimization algorithm. The method comprises steps: setting algorithm parameters; initializing the particles in the computational domain; the impeller water model corresponding to each particle being established; drawing an impeller mesh; the external characteristicparameters of the computational results being read to obtain the fitness of the particles to the computational domain; if the number of iterative steps is more than 10% of the total number of steps, the ANN model of the convergence residual with respect to the update coefficient of particle velocity being trained, and the particle velocity being updated using the ANN model; when the iteration number is less than or equal to 10% of the total number of steps, the learning factor being generated randomly and the particle velocity being updated; judging whether the best particle reaches the iteration stopping condition, if not, updating the particle position and returning to continue the iteration; if so, the iteration being stopped and the optimization result being output. The invention realizes the efficiency optimization of the pump by means of a computer, so that the pump can meet the demand of the contemporary society for energy saving and emission reduction of such equipment.

The invention relates to a dual-motor series-parallel hybrid power device and a vehicle. The dual-motor series-parallel hybrid power device comprises a front transmission 2, a generator 4, a driving motor 5 and a rear transmission 6, the generator 4 and the driving motor 5 are integrated together and located between the front transmission 2 and the rear transmission, and the rear transmission 6 islocated on one side of the driving motor 5. According to the dual-motor series-parallel hybrid power device and the vehicle, series hybrid power and parallel hybrid power can be achieved, the advantages of two different hybrid power modes can be fully utilized, the defects of the two different hybrid power modes are overcome, and the increasingly strict vehicle energy conservation and emission reduction requirements at present can be better met; besides, the manufacturing difficulty is low, the cost is low, application and popularization are facilitated, and great economic benefits and socialbenefits are achieved.

The present invention discloses an indoor temperature change timer. The indoor temperature change timer comprises an insulation shell; a temperature probe is arranged at the exterior of the insulation shell; a main controller, a latch, a seven-segment digital display tube, an output decoder and a key circuit are arranged in the insulation shell; the main controller is connected with the latch, the seven-segment digital display tube, the output decoder and the key circuit respectively; and the seven-segment digital display tube is used for displaying actual indoor temperature, set indoor temperature, and time for the actual temperature to change to the set temperature. According to the indoor temperature change timer of the invention, based on the temperature probe, the main controller, the latch, the seven-segment digital display tube, the output decoder and the key circuit, the difference of temperature set data and actual data can be effectively verified, and a plurality of points in a room can be verified simultaneously, and no workers are required to watch over the timer; Autodesk CFD is applied to air conditioning systems in the construction industry for the first time, and blanks in the construction industry can be filled, and the positions of the vents of the air conditioning systems can be adjusted through CFD analysis data.