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292results about How to "Good energy saving effect" patented technology

Plate type air preheater with glass as heat exchange plate

The invention provides a plate type air preheater with glasses as heat exchange plates, belonging to the technical field of heat exchangers. The plate type air preheater comprises an air preheater frame, the air preheater frame comprises an upper cover plate (10), a lower bottom plate (11) and a stand column (5) and is internally provided with a plurality of heat exchange plates (1) which are correspondingly placed in vertical direction; a sealing strip (4) is arranged between every two heat exchange plates (1) which are adjacent in vertical direction; the sealing strips (4) are mutually staggered at 90 degrees and form a plurality of sealing fluid channels which are adjacent and mutually staggered at 90 degrees by being placed in a staggered way so as to respectively form hot fluid channels and cold fluid channels; rectangular glass plates are adopted as the heat exchange plates (1), and the glass can be silicon-boron glass and boron-free low-alkali glass or quartz glass; and supporting strips (2) which are rectangular or S-shaped nonmetal plate bars are arranged among the fluid channels formed by the upper and lower heat exchange plates (1). The invention has dew point corrosion resistance, efficiently recovers the low-temperature exhaust heat of smoke and can reduce the temperature of discharged smoke and enhance the efficiency of a heating furnace.
Owner:LUOYANG RUICHANG PETROCHEM EQUIP

Combustion control system and method of industrial furnace

The invention provides a combustion control system and method of an industrial furnace. The combustion control system of the industrial furnace comprises a laser spectrum detection device, a combustion control device, an oxidation burning loss detection device, a comparison device and a computing device, wherein the laser spectrum detection device is used for detecting the content of gas in the industrial furnace, the laser spectrum detection device comprises a laser, a detector and an analysis module, the combustion control device is used for optimizing and adjusting the combustion conditions in the industrial furnace according to data transmitted by the laser spectrum detection device, the oxidation burning loss detection device is used for detecting oxidation burning loss of workpieces which pass through the industrial furnace, and transmitting the detection result to the comparison device, the comparison device is used for obtaining the comparison result according to the received detection result and the original oxidation burning loss conditions, and transmitting the comparison result to the computing device, and the computing device is used for obtaining the combustion control result of the industrial furnace according to the received comparison result. The combustion control system and method of the industrial furnace have the advantages that detection accuracy is high, the detection speed is high, the cost is low, and energy is saved.
Owner:FOCUSED PHOTONICS

Flameless combustion heat accumulating type flat flame combustion nozzle

The invention discloses a flameless combustion heat accumulating type flat flame combustion nozzle. A combustion nozzle body is internally provided with an air or smoke gas passage, a porous heat accumulator, a combustion cavity, a gas pipeline and an ignition device, wherein the tail end of the air or smoke gas passage is provided with a tangential air inlet duct positioned along the tangential direction of the circumferential combustion cavity, and the air or smoke gas passage is connected with the combustion cavity through the tangential air inlet duct; the tail end of the gas pipeline is provided with a flame combustion gas pipe and a flameless combustion gas pipe which are parallel and respectively controlled by a flame combustion control valve and a flameless combustion control valve, and the aperture of a flameless combustion gas spray orifice positioned on the tail end of the flameless combustion gas pipe is smaller than that of a flame combustion gas spray orifice positioned on the tail end of the flame combustion gas pipe. The flameless combustion heat accumulating type flat flame combustion nozzle has high energy utilization efficiency and good furnace temperature uniformity and can greatly reduce the discharge amount of NOX; fuel is sprayed at high speed through the necking spray orifice, thereby effectively controlling the flame temperature and being beneficial tothe sufficient combustion of the fuel; and in addition, the flame sprays into a furnace cavity with a very short spraying distance so as not to spray to parts inside the furnace cavity.
Owner:CHONGQING AOKEQI TECH

Heat pump type fruit and vegetable drying machine

The invention relates to a heat pump type fruit and vegetable drying machine. The heat pump type fruit and vegetable drying machine comprises a drying box, an internal partition board, a circulating fan, fruit and vegetable plate shelves, a compressor, a condenser, a first evaporator, a second evaporator, a throttling valve, a first electromagnetic stop valve, a second electromagnetic stop valve and a water pan. The drying box is divided into an air processing chamber and a drying chamber by the internal partition board. The circulating fan is mounted at the upper portion in the drying box. The compressor, the condenser, the throttling valve, the first electromagnetic stop valve and the first evaporator are connected in an end-to-end mode to form a circulating loop. The pipeline from the throttling valve to the first electromagnetic stop valve is outwards connected with the second electromagnetic stop valve and the second evaporator in sequence. An outlet of the second evaporator is connected with the pipeline from the first electromagnetic stop valve to the compressor. The condenser is mounted above the air processing chamber in the drying box. The second evaporator is mounted below the air processing chamber in the drying box. The first evaporator and the compressor are mounted outside the drying box. The heat pump type fruit and vegetable drying machine has the advantages of being capable of saving energy and keeping the original quality of fruits and vegetables, and being free of secondary pollution and the like.
Owner:TIANJIN AOLV AGRI & SIDELINE PROD GRP

Energy-saving self-heat-insulation ceramsite building block and its manufacturing method and forming mould

The invention relates to an energy-saving self-heat-insulation ceramsite building block and its manufacturing method and forming mould. The energy-saving self-heat-insulation ceramsite building block is made of, by weight, 35-50% of ceramsite, 20-29% of cement, 15-30% of coal ash, 0.5-1% of fibers, 2-5% of foaming agent, 0.3-0.5% of water reducing agent, 0.1-0.3% of waterproof agent and 0.2-0.5% of catalyst, wherein the volume of the ceramsite accounts for more than 80% of that of the whole building block. The manufacturing method of the building block includes steps of material selecting, metering, stirring, pouring, vibrating, steaming, tube drawing for demoulding, cutting forming and stacking for rest. The forming mould of the building block can be used for once forming of multiple medium-sized rectangular ceramsite building blocks, and each building block can be conveniently cut into standard small ceramsite building blocks. The energy-saving self-heat-insulation ceramsite building block is high in ceramsite content and has the advantages of light weight, warm retention, heat insulation, sound insulation, sound adsorption, low water adsorption, fire resistance, freezing resistance, quake proofing, corrosion resistance and the like.
Owner:NINGBO PINGHAI BUILDING MATERIALS

Invisible intelligent full-automatic outer sun-shading system

InactiveCN101994478AReduce air conditioning loadGood energy saving effectLight dependant control systemsClimate change adaptationAutomatic controlElectricity
The invention discloses an invisible intelligent full-automatic outer sun-shading system, comprising a roller shade box, wherein two ends of the roller shade box are connected to the wall by a head installing seat and a trail installing seat. The invisible intelligent full-automatic outer sun-shading system also comprises a plurality of roller shade pieces, wherein one end sof the roller shade pieces are connected to the roller shade box and the other ends are vertically arranged. The invisible intelligent full-automatic outer sun-shading system also comprises a temperature/light sensor, a controller, a clock controller, an electric rotating motor, an unrolling and rolling electric motor and a turning wheel which are sequentially electrically connected, wherein the clock controller, the electric rotating motor, the unrolling and rolling electric motor and the turning wheel are arranged in the roller shade box; and a leading cable is connected with the electric rotating motor, and one ends of the roller shade pieces are connected to the leading cable. The three-dimensional full-weather automatic control of the outer sun-shading system is realized, the heat-proof quality of the sun-shading system is effectively improved, most of sunlight heat can be reflected and shaded; the outer sun-shading system can avoid that the solar radiation directly enter into the indoor room, is beneficial to the prevention of the fluctuation of the indoor temperature, reduces the cold and hot load loss of the air-condition, greatly improves the heat insulation and daylighting performance of the common sun-shading system and the performance of the air-condition system, and achieves better energy saving effect.
Owner:GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI

Mining explosion-proof all-insulation dry type transformer with amorphous alloy iron core for mobile transformer substation

A mining explosion-proof all-insulation dry type transformer with an amorphous alloy iron core for a mobile transformer substation comprises an integral winding, the iron core, an upper clamp, a lower clamp and a shell, wherein the integral winding includes low-voltage coils and high-voltage coils. The mining explosion-proof all-insulation dry type transformer is characterized in that insulation layers are arranged among layers of the low-voltage coils, the high-voltage coils are arranged on the outer layer of the low-voltage coils, each insulation layer is arranged between each two adjacent layers of the high-voltage coils, an outer insulation layer covers the high-voltage coil, and the integral winding has the square section. The iron core is the amorphous alloy iron core, and an assembling lap joint of the iron core is arranged on the lower portion. The upper clamp and the lower clamp are non-metallic parts cast by epoxy resin and reinforced by filled glass fibers, the U-shaped sections of the upper clamp and the lower clamp cap the upper yoke and the lower yoke to press the upper end face and the lower end face of the winding and are fastened by pull bolts, and the pull bolts are symmetrically mounted on the low-voltage side and the high-voltage side to fasten the upper clamp and the lower clamp. The mining explosion-proof all-insulation dry type transformer has the advantages of long service life, low loss, low noise, no maintenance or pollution, high reliability, flame retardance, fire resistance, recyclability after being used up and the like.
Owner:沈阳幸森电气设备有限公司

CO2 gas-striping parallel /serial connection medium-pressure urea energy-saving and yield-increasing novel technology

The invention provides a CO2 gas-stripping parallel/serial connection medium-pressure urea energy-saving and yield-increasing novel technology. The conventional CO2 gas-stripping urea technology equipment is parallelly connected to a medium-pressure decomposition system, is serially connected to a medium-pressure pre-separator and an evaporation pre-condensation system, and is added with a medium-pressure methylamine recycling system. In a urea synthesis tower, materials are divided into two parts according to a certain ratio, one part of the materials is transported to the medium-pressure decomposition system and is subjected to processes of flash separation, liquid rectification, thermal decomposition, and CO2 air stripping; the other part of the materials is discharged from a CO2 stripping tower, then is decompressed, and finally is subjected to flash separation in the medium-pressure pre-separator; the urine in the medium-pressure system is decompressed and then transported to a low-pressure rectification tower; the medium-pressure decomposition gas phase and the low-pressure methylamine are mixed and transported to the heat utilization section shell pass of an evaporation pre-condensation device, and the urine in the tube pass is heated to evaporate and thus is condensed by utilizing the heat generated by bubbling reactions. The CO2 air-stripping parallel/serial connection medium-pressure urea energy-saving and yield-increasing novel technology can increase the production capacity by 30 to 60% or more compared to that of original CO2 air-stripping urea device, and has the advantages of simple technology process, convenient operation control, reduction on steam and electricity consumption, and high reconstruction investment profit.
Owner:王庆锋 +1

Machine room air-conditioning energy-saving operation control system

The invention provides a machine room air-conditioning energy-saving operation control system, mainly comprising a control host (1), a temperature compensation box (2) and a temperature sensor (3). The system is characterized in that the temperature compensation box (2) and the temperature sensor (3) are connected with the control host (1) through a data wire to form a complete control system, wherein the control host (1) comprises a temperature set module (11), a temperature detection module (12), a difference comparison module (13), a different determination module (14) and a compensation output module (15); the temperature sensor (3) is arranged on equipment required to be refrigerated; a target object is strictly taken as direction to realize accurate temperature control; the temperature compensation box (2) is made of refrigerating semi-conductor, and is connected with a return air temperature probe on an air return port (41) of an air conditioner (4); and the control host (1) controls the temperature compensation box (2) to perform temperature correction and compensation on return air temperature of the air conditioner (4) at proper time, and controls and adjusts the start and stop operation of a compressor of the air conditioner (4) so as to achieve the designing aim.
Owner:辜斌 +1

Energy-saving control method for variable-frequency heating heat pump

The invention belongs to the technical field of air source heat pumps, and particularly relates to an energy-saving control method for a variable-frequency heating heat pump. The method comprises thesteps that firstly, an operation frequency control mathematical model of a variable-frequency compressor is built, and the operation frequency of the variable-frequency compressor is set according tothe real-time load requirement, wherein the real-time load requirement is related with environment temperature, water temperature, set target water temperature, water temperature change rate and the corresponding optimal efficiency frequency under the environment temperature and water temperature; secondly, the function relation of the optimal energy efficiency superheat degree phi with the operation frequency of the compressor, environment temperature and water temperature under different environment temperature and water temperature is built, and the opening degree of an electronic expansionvalve is adjusted according to the deviation value of the real-time superheat degree and the real-time optimal energy efficiency superheat degree. A control system built on the basis of the control method can make the variable-frequency heating heat pump always operate with the optimal energy efficiency and achieve the best energy-saving effect, and the energy-saving advantage of the variable-frequency heating heat pump is fully played.
Owner:广东瑞星新能源科技有限公司
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