127results about How to "Achieve high efficiency and energy saving" patented technology

The invention discloses a high-efficiency and environment-friendly coal-fired system for a vertical boiler with a bottom-built burner. The system comprises a coal powder tower, a burning boiler, an air preheater mechanism, a cyclone dust collector mechanism and a bag-type dust collector mechanism that are sequentially arranged and connected, wherein the burning boiler comprises a boiler body and the bottom-built burner; the bag-type dust collector mechanism comprises a sealed casing, a high-efficiency dust collector and an ash storage bin; a fume outlet of the sealed casing is connected with a tower fume outlet of a desulfurizing tower by an induced fan; and a discharge outlet of the ash storage bin is connected with an ash inlet of a coal powder ash tank by a conveying mechanism. As the coal-fired system is subjected to a series of technological innovations and transformations, the boiler thermal efficiency is very high; the dust collection sealability is good; the collection efficiency is excellent; the desulfurizing tower is very good in desulphurization efficiency, and excellent in scale prevention and scale removal performance; the high-efficiency desulfuration and labor saving are ensured; finally a fume emission index of the system is far lower than the national specified emission concentration; and the system achieves the benefits of high efficiency, energy saving, emission reduction and environmental protection, and is a domestic initiative.

The invention discloses a zero-leakage external combustion heat engine, which relates to the technical field of heat energy conversion and solves the problems that the thermal conversion efficiency of the traditional internal-combustion engine is low and combustion is imperfect and the traditional Stirling engine has high cost, smaller ratio of power/weight and is difficult to seal, thus, zero-leakage cannot be realized due to the existence of an expansion chamber, a compression chamber, a heater, a cooling chamber, a regenerator and the like . The gas-guide cylinder cavity of the zero-leakage external combustion heat engine is communicated with the upper part of the work applying cylinder cavity to form a sealed cavity which is connected with an external ventilating valve. The conductive starting point of the ventilating valve is determined in such a way that the gas-guide piston moves between the previous 20 degrees and the next 20 degrees at the top end of the high temperature end of the gas-guide cylinder cavity. The conductive angle of the ventilating valve ranges from 5 degrees to 30 degrees. All mobile sealing positions and the external ventilating ends of the ventilating valve are sealed in a sealed shell. The invention has the advantages of converting combustion heat energy of fuel directly to efficient mechanical energy, thereby realizing zero-leakage and super ratio of power/weight with the conversion efficiency of 20-80%.

The invention provides a multi-fan central dust-removing device comprising dust remover air inlets, a dust collection system, a filtering system, an ash cleaning system, a fan system, a pressure sensor and a control system, wherein the dust collection system is connected with the dust remover air inlets through a pipeline; the filtering system is connected with the dust collection system and comprises filtering cylinders; the ash cleaning system is used for cleaning dust accumulated on the filtering cylinders and is arranged above the filtering cylinders; an inlet of the fan system is connected to an outlet of the filtering system and the fan system comprises a plurality of small-sized fans; the pressure sensor is used for detecting air quantity of the dust remover air inlets and outputting a pressure induction signal; and the control system comprises an intelligent energy-saving system for controlling the quantity of the started and stopped fans according to the actually-used air quantity, and an ash cleaning control system for carrying out ash cleaning on the filtering cylinders of the filtering system at regular time. The multi-fan central dust-removing device disclosed by the invention has the advantages of small volume, low noises, high dust-removing efficiency, obvious energy-saving effect and stable operation.

The invention provides a smoke circulating combusting system for a waste palm boiler. The system is that a fire grate comprises a drying section reciprocating fire grate and a combustion section reciprocating fire grate which are connected through continuously-inclined staggering disconnecting layers; inclination angles of the drying section reciprocating fire grate and the combustion section reciprocating fire grate are 20 to 30 degrees; a plurality of primary air branch tubes and a plurality of smoke circulating branch tubes are arranged in the drying section reciprocating fire grate and the combustion section reciprocating fire grate, wherein the primary air branch tubes and the smoke circulating branch tubes are respectively communicated with an air preheater and a tail smoke channel through primary air head tubes and smoke circulating head tubes; the tail smoke channel, the smoke circulating head tubes, the smoke circulating branch tubes, the smoke circulating branch tubes, a hearth and a smoke outlet are sequentially communicated by a circulating manner; the air preheater, the primary air head tubes, the primary air branch tubes and the hearth are sequentially communicated by circulating. The system can solve the problems of unstable combustion of the hearth and coking, and achieves efficient, energy-saving and safe operation of the waste palm steam boiler.

The invention relates to the field of vacuumizing systems, and particularly relates to a vacuumizing system of a turbine. The vacuumizing system comprises a turbine condenser, a dry vacuum pump, a main pipeline and a first connecting pipeline, wherein one end of the main pipeline is connected with the extraction opening of the turbine condenser, the other end of the main pipeline is connected with one end of the first connecting pipeline, and the inlet of the dry vacuum pump is connected with the other end of the first connecting pipeline. According to the vacuumizing system of the turbine, water is not needed to be used as a vacuumizing medium, so that the limitation to a water medium of a conventional water ring vacuum pump and a conventional water jet air ejector is broken through, and the influence that the exhaust capacity of the water ring vacuum pump and the water jet air ejector decreases with the increase of the water temperature is overcome; an existing water ring vacuum pump and an existing water jet air ejector are reconstructed, and a steam-gas mixed gas of the condenser is directly extracted, so that high efficiency and energy saving of the vacuumizing system are realized.

The high performance water lubricated mechanical driving system based on new type of composite engineering material includes a high elasticity shaft coupler, a sealing device, a front water lubricated bearing, a back water lubricated bearing, and a water supplying system. It his natural water as lubricating medium and has or has not dynamic sealing device mounted through the back water lubricated bearing to constitute a closed or opened water lubricated mechanical driving system. Compared with traditional mechanical driving system, the high performance water lubricated mechanical driving system has greatly lowered friction, wear, vibration, noise and no-work loss, greatly raised reliability, saving in mineral oil and noble metal material, and environment friendship, and may be applied widely.

This invention relates to a brushless motor car digit intelligent controller, which comprises speed sensor, load sensor, switch control and comparer, hand gear, brake control, single machine, brushless direct motor controller, three-phase power switch and brushless motor. It accurately sends the electricity to the motor through the instant speed signals and load signals got from motorcycle middle or terminal positions and the process by single machine to keep the motor in efficient working status.

The invention provides a steel-plastic composite pipe lining device and an operation method thereof. The device comprises a rack (1), an electromagnetic induction coil (2), a top pipe and an inflation device (3), wherein a steel-plastic composite pipe is positioned inside the rack (1); the top pipe and the inflation device (3) are arranged on the sides of one end or two ends of the steel-plastic composite pipe, and can fix an outer-layer steel pipe and an inner-layer plastic pipe of the steel-plastic composite pipe; and the electromagnetic induction coil (2) is also arranged inside the rack (1) and can be sleeved on the periphery of the steel-plastic composite pipe to move back and forth. The steel-plastic composite pipe lining device has the advantages of directly and evenly heating the steel pipe, along with low energy consumption and loss and high production efficiency.

The invention discloses a heat source tower heat pump solution regeneration device achieving cooling in summer and solution regeneration in winter. The heat source tower heat pump solution regeneration device achieving cooling in summer and solution regeneration in winter comprises a regeneration and refrigerating loop, a heat source loop, a cooling loop and a vacuum loop. According to the heat source tower heat pump solution regeneration device achieving cooling in summer and solution regeneration in winter, efficient absorption refrigeration can be achieved in summer and efficient solution regeneration can be achieved in winter through heat discharged from refrigeration of refrigerant of a superheat section of a heat pump system or renewable energy source solar energy based on vacuum low voltage, efficient utilization of the renewable energy source solar energy or waste heat is achieved, the solution regeneration efficiency in winter and the refrigeration efficiency in summer of the heat source tower heat pump system are improved, and winter and summer comprehensive efficient utilization of the system is achieved.

The invention discloses an energy saving method based on distributed management. The method comprises local management and overall management, management tasks are distributed to the local management of all nodes through the distributed management, and the overall management is only used for collecting the information of the local management and making decisions. The local management is mainly used for monitoring abnormal conditions, and migration is carried out by selecting a virtual machine with a too high or too low cpu use ratio at the physical node with abnormality. The overall management is mainly used for judging and evaluating all the physical nodes, and at last, the physical node which the virtual machine should be migrated to is obtained. A data center with a distributed virtual machine management method is adopted in a large-scale cloud computing system, reliable service quality can be guaranteed, and meanwhile the high efficiency and energy saving of the data center are achieved.

The invention discloses a method and a device for eliminating thermal inertia of a hot air drier. The method comprises the steps of arranging a proportional valve for adjusting smoke amount and hot air amount in a smoke channel connected with a heat exchanger, respectively measuring an inlet smoke temperature Ty1 and an outlet smoke temperature Ty2 of the heat exchanger, a hot air inlet temperature Tf1 of the drier and an external environment temperature Tf0 respectively by a temperature sensor, taking a smoke and hot air ratio as the matching principle of drying heat energy, and realizing the principle by controlling the opening degree of the proportional valve, so the temperature of the drying hot air is automatically matched and the thermal inertia of the hot air drier is eliminated. The device and method can be used in real time under complex ambient environment of drying equipment, the serious large hysteresis phenomenon in high inertia, multi-variable and nonlinear process operation in a hot air drying process is solved, the seed quality is guaranteed, the drying temperature is controlled, the thermal inertia in drying process is eliminated, and meanwhile, the method and device are beneficial for an efficient and energy-saving drying process.

The invention discloses a cooperative control CFB (Circulating Fluidized Bed) boiler in-furnace desulphurization and denitration burning system and a cooperative-control CFB boiler in-furnace desulphurization and denitration burning method. The burning system comprises a hearth, a coal feeding port, a primary air chamber, a secondary air box, a secondary air pipe, a cyclone separator, a material returning mechanism and a material returning pipe for connecting the material returning mechanism with the hearth. The burning system is characterized in that the material returning pipe comprises an upper-layer material returning pipe and a lower-layer material returning pipe, the tail end of the upper-layer material returning pipe is higher than that of the lower-layer material returning pipe, and the upper-layer material returning pipe is connected with the material returning mechanism and the dilute phase zone of the hearth; the lower-layer material returning pipe is connected with the material returning mechanism and the dense phase zone of the hearth, and a charging hole is formed in the upper layer material returning pipe. The burning system is capable of effectively solving the contradiction between in-furnace desulphurization and denitration in a fluidized bed boiler, emission of sulfur dioxide and oxynitride is greatly reduced, and the fluidized bed boiler can meet the energy-efficient and environment-friendly demands.

The invention relates to an open type vibration electric proportional control system of a road roller, which is characterized in that the open type vibration electric proportional control system comprises a hydraulic system and an electric control system, wherein the hydraulic system comprises a fuel tank (1), a gear pump (2), an oil return filter (3), a control valve block (4), a gear motor (5) and an engine (9); and the electric control system comprises a vibration frequency sensor (6), a controller (7), a running speed sensor (8), an engine speed sensor (10), a throttle performer (11), a high-amplitude vibration proportion solenoid valve (12), a low-amplitude vibration proportion solenoid valve (13) and an amplitude selector switch (14). The open type vibration electric proportional control system of the road roller can implement stepless frequency modulation of the open type vibration system, makes the open type vibration system have soft vibration-starting and soft vibration-stopping functions, can raise compacting quality, can reduce system impact, can implement automation control by an electric control technology, and has advantages of stronger work condition adaptability and low cost.

The invention relates to a method for generating heat through fermentation of pig manure. The method comprises the following steps: 1, mixing 4500-5200 parts of pig manure, 4500-5200 parts of saw dust, 1800-4200 parts of bran powder and 0.7-1.5 parts of fermented culture in parts by weight and then adding water for heat preservation fermentation to obtain original bacteria; 2, mixing 8-12 parts of pig manure, 8-12 parts of saw dust and 1 part of original bacteria in parts by weight with water and then putting on a fermentation bed inside a hog house for fermentation. Heat is generated through the fermentation of pig manure through the above steps so that the hog house is warmed. With the fermentation twice, anaerobic fermentation is combined with aerobic fermentation, and the put amount of culture is effectively reduced while the heated generated through the fermentation is utilized in the first anaerobic fermentation. The heat value generated during the fermentation is further increased by increasing the content of high-temperature coprophil.

The invention provides a skid-mounted carbon dioxide gas absorption method and apparatus applicable to an offshore platform. The method comprises the following steps: conveying high-pressure gas (feed gas) with high carbon dioxide content and a barren decarburization solution (a barren solution) into a hypergravity absorption machine and allowing the barren solution to absorb CO2 in the feed gas to form a rich decarburization solution ( a rich solution) so as to realize purification of the feed gas; and allowing the rich solution to enter a desorption tower after flash evaporation and pressure reduction so as to realize release of CO2 and regeneration into a barren solution, allowing CO2 to enter a post-treatment system after treatment by a gas-liquid separator and re-inputting the regenerated barren solution into the hypergravity absorption machine for cyclic utilization. The hypergravity absorption machine and the like are integrally arranged to form a detachable skid-mounted integrated system. The apparatus provided by the invention employs a skid-mounting design, and is small in size, light in weight and applicable to space-limited occasions like an offshore platform; and through a combination of the method and the apparatus provided by the invention, CO2 in feed gas like natural gas and oilfield associated gas can be highly and environment-friendlily removed at low cost, low consumption and low discharge, and rational utilization of resources is realized.

A high-temperature-creep-resistant wear-resistant pouring material for a circulating fluidized bed boiler comprises the following components in percentages by mass: 3-5% of metallic silicon micropowder, 65-70% of silicon carbide, 6-10% of aluminium oxide, 5-8% of andalusite, 2-5% of mullite, 0.5-2% of mullite synthetic fibers, 1-5% of pure aluminum silicate cement, 6-8% of boron nitride and 2-5% of an additive.

The invention relates to a mechanical compression type multi-effect distillation seawater desalination system coupled with water source heat pumps. The system comprises a first-effect evaporator and a second-effect evaporator; a primary heat pump system is communicated with an industrial circulation water source; a secondary heat pump system is used for supplying saturated steam and high-temperature raw material seawater for the first-effect evaporator; one branch of concentrated seawater generated by the first-effect evaporator and the second-effect evaporator is used for heating the raw material seawater and is subsequently discharged; the other branch of the concentrated seawater is back supplemented into the unevaporated raw material seawater; a non-condensable gas extracting pump is mounted at the tail end of a fresh water condenser; the first-effect evaporator is connected with the second-effect evaporator in series; the non-condensable gas extracting pump is used for generating negative pressure in evaporator shell steam passages; the steam generated by the evaporators is condensed into fresh water; then the steam is used for heating the raw material seawater and is subsequently discharged. The mechanical compression type multi-effect distillation seawater desalination system coupled with water source heat pumps is capable of effectively absorbing heat energy in the industrial circulation water and reducing the pollution of industrial heat sources; the evaporators adopt spraying flash evaporation and falling-film evaporation techniques; through multiple manners of back supplementing the concentrated seawater and heating the raw material seawater by using the discharged heat energy, the heat energy efficiency of desalination of the seawater is greatly improved; the desalination cost of the seawater is reduced.

The invention provides an electrolytic reduction system and method. The electrolytic reduction system comprises a control device, a dissolving tank, a solid-liquid separator, a concentration monitor device, a flow type electrolytic cell and a collecting tank, wherein a liquid outlet of the dissolving tank is communicated with the inlet of the solid-liquid separator; a liquid outlet of the solid-liquid separator is communicated with the inlet of the electrolytic cell; the concentration monitor device is arranged on a pipeline between the liquid outlet of the solid-liquid separator and the inlet of the electrolytic cell; the outlet of the electrolytic cell is communicated with the collecting tank; and the control device is respectively connected with voltage regulation devices of the concentration monitor device and the flow type electrolytic cell, and can control current between an anode plate and a cathode plate in the flow type electrolytic cell according to the detected solution concentration by the concentration monitor device. The invention further discloses an electrolytic reduction method. According to the invention, problems in the prior art are solved, low power consumption is realized, and the prepared electro-deposition metal has the advantages of good uniformity, high specific surface area and high activity.