39results about How to "Realize the goal of energy saving" patented technology

The invention provides a sealing method for a lateral side of a sintering machine and belongs to the technical field of sealing of the sintering machine. The sealing method includes use of a sliding-plate and fish-plate type sealing mechanism. The sealing method is characterized in that a sealing cover is arranged between the outer side of a fence plate of a sintering pallet and an air box of the sintering machine, the sliding-plate and fish-plate type sealing mechanism is arranged at an adjacent position of the fence plate of the sintering pallet to the sealing cover, a sliding plate of the sliding-plate and fish-plate type sealing mechanism is mounted on the sealing cover, the sliding-plate and fish-plate type sealing mechanism is positioned between the middle and the upper surface of a material layer of the sintering pallet, an end sealing section is arranged on the sealing cover, and the sealing mechanism on the end sealing section is of a trench type structure. By the aid of the sealing method, air leakage on an end face of the neighboring sintering pallet can be effectively prevented, power of a main suction fan of the sintering machine is lowered, and energy conservation is achieved or performance of the sintering machine is improved.

The invention discloses a hybrid electric vehicle self-adaptive PID dynamic control method for improved grey prediction, and the method comprises the following steps: (1) building an improved grey prediction model GM (1, 1); (2) establishing a self-adaptive PID control model; (3) establishing an HEV power driving model; (4) taking a vehicle speed requirement of a typical working condition (NEDC new European driving working condition) as an input; and based on Matlab / Simulink, respectively establishing an adaptive PID closed-loop control HEV driving simulation model based on improved grey prediction and an HEV driving simulation model based on conventional PID closed-loop control, and respectively carrying out comparative simulation analysis on the two models. According to the method, the HEV actual vehicle speed is effectively predicted by establishing the improved grey prediction model, meanwhile, the self-adaptive PID controller with parameters capable of being automatically corrected is established, real-time optimization control is conducted on the HEV power system, the vehicle speed is made to rise rapidly and stably, and the aim of saving energy is truly achieved.

The invention discloses an air conditioner system based on solar energy and underground cold water. The air conditioner system based on solar energy and underground cold water comprises an underground cold water circulating system, a solar water heater circulating system and an indoor heat exchange system. According to the underground cold water circulating system, low-temperature underground water is pumped to a heat preservation water tank through a make-up pump, stored and then pumped to a top plate heat exchange device of the indoor heat exchange system through a circulating water pump to exchange heat so as to reduce the indoor temperature; and according to the solar water heater circulating system, the water temperature is increased through solar energy, the water is conveyed into a heat storage water tank and stored, then the water is conveyed into a heat exchange device through a circulating water pump, the hot water obtained through heat exchange is supplied to a floor radiation heat exchange device to increase the indoor temperature, and meanwhile the hot water in the heat storage water tank can also be used as domestic hot water. According to a solar fresh air cooling and dehumidifying system, a solar cell panel generates and supplies electricity to a semiconductor refrigerating chip set for providing electricity for cooling a water source, the indoor temperature is lowered through the cooled low-temperature water by means of a fresh air ventilator, and the humidity is adjusted. The air conditioner system is simple in structure, renewable energy sources are reasonably used, the water resources are recycled, and the cost is saved.

The invention discloses an electric tracing band for an oil well. The electric tracing band comprises a core band which is formed by five parallel wires and PTC conductive fillers filled among the wires. The outside of the core band is covered with an insulation layer, a shielding layer and a protection layer successively. According to the electric tracing band, the heating body is made of novel carbon fibers, the weight is low, construction is facilitated, the electro-thermal conversion efficiency of the heating cable is improved, and automatic compensation and automatic temperature adjustment are achieved.

The invention discloses a heating cable, in particular a carbon fiber expanding and heating cable for oil extraction of heavy oil and high pure-point oil. A structure of the carbon fiber expanding and heating cable for oil extraction is that: a core part consists of a sealing layer and an isolation expansion chamber arranged in the sealing layer; expansion fillers are filled in the isolation expansion chamber; and the sealing layer is embedded with a carbon fiber heating line, and outside of the sealing layer is wrapped with a layer of protection layer of the same material as that of the sealing layer. The invention has the advantages that: 1, the electro-thermal conversion efficiency of the heating cable is high, and more heat can be generated by consuming the same electric energy; 2, the heating cable expands under heating, so that the heat conduction capacity of the heating cable and a hollow sucker rod can be improved, the insulation damage caused by over temperature in the interior of the heating cable can be prevented, and the service life of the heating cable can be prolonged; and 3, the cable has a light weight, which is about half of the weight of the conventional medium-frequency heating cable, and the energy-saving effect is very remarkable.

The invention relates to the field of lighting, in particular to a novel LED street lamp. The novel LED street lamp comprises a lamp body and a lamp stem. The tail end of the lamp body is connected with the lamp stem. The lamp body comprises a lamp shell. Radiating fins are mounted on the surface of the lamp shell. An LED module is fixed in the lamp shell and connected with a power supply. A lampshade which covers the LED module is fixed to the lamp shell. A lower lamp shell is fixed to the lower end of the lamp shell. A method of 'once light distribution' is used, LED lamp beads are embedded on the LED module, light emitted by the LED module is reflected by the lampshade and then uniformly irradiates from a high position to the ground, and lighting uniformity of the novel LED street lamp is increased by 20% compared with modularized street lamps with same power. The novel LED lamp changes traditional light distribution and LED lighting, and is high in lighting effect, high-power, simple, high in reliability and the like.

The invention discloses a heating cable, in particular a carbon fiber expanding and heating cable for oil extraction of heavy oil and high pure-point oil. A structure of the carbon fiber expanding and heating cable for oil extraction is that: a core part consists of a sealing layer and an isolation expansion chamber arranged in the sealing layer; expansion fillers are filled in the isolation expansion chamber; and the sealing layer is embedded with a carbon fiber heating line, and outside of the sealing layer is wrapped with a layer of protection layer of the same material as that of the sealing layer. The invention has the advantages that: 1, the electro-thermal conversion efficiency of the heating cable is high, and more heat can be generated by consuming the same electric energy; 2, the heating cable expands under heating, so that the heat conduction capacity of the heating cable and a hollow sucker rod can be improved, the insulation damage caused by over temperature in the interior of the heating cable can be prevented, and the service life of the heating cable can be prolonged; and 3, the cable has a light weight, which is about half of the weight of the conventional medium-frequency heating cable, and the energy-saving effect is very remarkable.

The invention discloses an argon oxygen refining low-carbon ferrochromium process endpoint carbon content and temperature control method. In the method, molten iron crudely refined in an electric furnace is poured into an AOD (Argon Oxygen Decarburization) furnace, oxygen is blown from a top gun for quick decarburization, when carbon content is reduced to a critical value, oxygen and argon mixed gas is blown from a bottom gun to carry out decarburization reaction, and finally pure Ar gas is blown for several minutes to make residual oxygen in the molten iron continue to react with carbon so as to further reduce the carbon content; when the carbon content reaches a preset target, ferrosilicon is added under the stirring of the Ar gas to carry out reduction; and on the basis of the thoroughanalysis of a smelting process mechanism, partial mathematical models in the low-carbon ferrochromium production process are established, and based on the models, an inference control method is adopted to accurately control the carbon content and the temperature of a molten bath, the hit rate of an endpoint is greatly improved, the output is increased, the quality of iron alloy is improved, the consumption of raw materials and energy is reduced, the production cost is reduced, and the economic benefits are increased.

The invention provides a sealing method for a lateral side of a sintering machine and belongs to the technical field of sealing of the sintering machine. The sealing method includes use of a sliding-plate and fish-plate type sealing mechanism. The sealing method is characterized in that a sealing cover is arranged between the outer side of a fence plate of a sintering pallet and an air box of the sintering machine, the sliding-plate and fish-plate type sealing mechanism is arranged at an adjacent position of the fence plate of the sintering pallet to the sealing cover, a sliding plate of the sliding-plate and fish-plate type sealing mechanism is mounted on the sealing cover, the sliding-plate and fish-plate type sealing mechanism is positioned between the middle and the upper surface of a material layer of the sintering pallet, an end sealing section is arranged on the sealing cover, and the sealing mechanism on the end sealing section is of a trench type structure. By the aid of the sealing method, air leakage on an end face of the neighboring sintering pallet can be effectively prevented, power of a main suction fan of the sintering machine is lowered, and energy conservation is achieved or performance of the sintering machine is improved.

The invention discloses a dimethyl ether energy-saving heating device relating to the technical field of dimethyl ether production. The device comprises a rectification tower reboiler, a methanol vaporizer, a buffer tank, a first flash tank, a vapor injector and a high-pressure vapor tank, wherein the first flash tank is respectively connected with the rectification tower reboiler and the methanol vaporizer through a first pump; the vapor injector is respectively connected with the first flash tank and the high-pressure vapor tank; the vapor injector is composed of a nozzle and a cavity; the inside of the cavity is sequentially provided with a receiving chamber, a mixing chamber and a diffusion chamber; the vapor injector is connected with the buffer tank; and the buffer tank is respectively connected with the rectification tower reboiler and the methanol vaporizer. According to the invention, high-temperature condensation water and medium-temperature condensation water are converted into medium-pressure vapor, so that the heat energy contained in the condensation water is effectively utilized, and the purpose of energy saving is achieved, thereby avoiding the use of the discharged condensation water in the condensation procedure and reducing the cooling effect.

The invention discloses a porous spiral-pipe catcher for PM 2.5 of automobile exhaust and a catching method of the catcher. The catcher comprises a casing, wherein a drawer type filter box body is arranged in the casing and contains a solution; the rear end of the box body is fixed with the casing by using a buckle; a gas inlet nozzle is arranged at the front end of the box body; a detachable cover plate, a pull handle and a solution injection hole are arranged on the outer side of the rear end of the box body; a gas inlet part on the gas inlet nozzle extends out of the casing and is connected with a gas exhaust guide pipe at the front end; a plurality of spiral pipes are arranged in the box body, and a plurality of gas escaping holes are formed in the spiral pipes; a plurality of vertical gratings are arranged in the box body; and nano-material coatings can be added to relevant working surfaces. The porous spiral-pipe catcher is simple in structure, good in automobile exhaust purification effect, stable in performance, convenient to clean and low in cost. By the aid of the method, the PM 2.5 in the automobile exhaust can be effectively filtered. The catcher has a better using effect on a gas exhaust system of a petrol engine or gas engine.

The invention discloses an air conditioner system based on solar energy and underground cold water. The air conditioner system based on solar energy and underground cold water comprises an underground cold water circulating system, a solar water heater circulating system and an indoor heat exchange system. According to the underground cold water circulating system, low-temperature underground water is pumped to a heat preservation water tank through a make-up pump, stored and then pumped to a top plate heat exchange device of the indoor heat exchange system through a circulating water pump to exchange heat so as to reduce the indoor temperature; and according to the solar water heater circulating system, the water temperature is increased through solar energy, the water is conveyed into a heat storage water tank and stored, then the water is conveyed into a heat exchange device through a circulating water pump, the hot water obtained through heat exchange is supplied to a floor radiation heat exchange device to increase the indoor temperature, and meanwhile the hot water in the heat storage water tank can also be used as domestic hot water. According to a solar fresh air cooling and dehumidifying system, a solar cell panel generates and supplies electricity to a semiconductor refrigerating chip set for providing electricity for cooling a water source, the indoor temperature is lowered through the cooled low-temperature water by means of a fresh air ventilator, and the humidity is adjusted. The air conditioner system is simple in structure, renewable energy sources are reasonably used, the water resources are recycled, and the cost is saved.

The invention discloses a pressing plate for a scraper conveyor. The pressing plate comprises an arbor, and a wear resisting layer wrapped on the outer surface of the arbor for forming a pressing plate body; a bonding layer is arranged between the arbor and the wear resisting layer; positioning through holes are spaced in the arbor; a transverse gap is formed in the wear resisting layer above the arbor; and the wear resisting layer parts on two sides of the transverse gap are upwards projected to form a limiting table. The arbor serves as a support skeleton of the pressing plate, so that the strength and the toughness of the pressing plate satisfy the working demands; the wear resisting layer serves as a main body of the pressing plate, so that the pressing plate has needed strength for normal work, meanwhile, the wear resistance is greatly improved, the weight is obviously lowered compared with metal, the weight of the pressing plate is reduced, the total weight of a scraper chain is reduced, the idle loss of the scrape conveyor is reduced, the energy saving target is realized, meanwhile, the phenomenon of crack or even rupture caused by residual stress of heat treatment is prevented, and the overall life is largely prolonged.

The invention discloses a field ecological plant protection method based on the perception control of the Internet of Things, which is characterized in that it comprises the following steps: (1) setting a field ecological plant protection system based on the perception control of the Internet of Things, (2) power-on work, MCU control According to the built-in program or remote control signal, the controller controls the work of each unit separately: LED lights and insecticidal lights work alternately to lure field insects to approach and kill them; (3) MCU controller adjusts the work of LED lights and insecticidal lights in a targeted manner Parameters; (4) The upper ultrasonic radar and the camera work synchronously to collect data during the insect killing process, and the MCU controller adjusts the working height of the LED lights and insecticidal lights. The invention also discloses a field ecological plant protection system based on the perception control of the Internet of Things implementing the above method. The invention can automatically trap pests, collect and analyze pest data, automatically identify and count them, and automatically upload the collected pest data to a remote management platform without requiring on-site operations by personnel.

A pontoon and water flow power generation combined power station comprises a pontoon. A belt hydraulic engine type water flow power generation device, a solar power generation device and / or wind driven power generation device are arranged on the pontoon, and the belt hydraulic engine type water flow power generation device is provided with an automatic working water level regulating unit, a super-flood preventing unit and a float cleaning unit. A belt hydraulic power generator, a magnetic suspension wind driven power generator and a solar power generator are assorted mutually and are integrated with the shore supply to realize interaction and compensation, and specifically, power generated from flood and / or wind and solar energy in peak periods is fed back to the shore supply, and the shore supply resupplies power for the pontoon when in off-peak periods of flood and / wind and solar energy, so that uninterrupted power supply is formed, and the multipurpose pontoon with new clean energy self-generating devices is assembled. Besides, automatic control and dispatching of various power supplies can be realized, and accordingly the pontoon and water flow power generation combined power station has the advantages of operational simplicity, safety and reliability, high efficiency, adaptability to non-professional management, and can be used as a composite marine facility with double functions of the pontoon and the power station or can be used as a special shore power station utilizing integral energy.

The invention relates to a heat pump water heater and a control method and a system thereof. The control method of the heat pump water heater comprises the steps of: obtaining an occupancy rate; inquiring an occupancy rate zone matched with the occupancy rate; obtaining a target water level corresponding to the inquired occupancy rate section; and adjusting a water level of a water tank of the heat pump water heater according to the target water level. The control method of the heat pump water heater automatically adjusts the water level of the water tank of the heat pump water heater according to the obtained occupancy rate to realize the energy saving purpose. The invention further provides the heat pump water heater and the system.