38results about How to "Manufacturing and running costs are low" patented technology

A linear Fresnel reflection type mid-and-low temperature solar energy thermochemical utilization device comprises a linear Fresnel reflection condensing mirror array driven by a solar tracking device to real timely track the sun, and a thermal absorber matched with the condensing mirror array and independently arranged, wherein the thermal absorber is tubular, a selective absorption coating is coated on the surface of the outer wall, and a chemical reactant medium and a catalyst are filled in the tube; a solar energy light-focusing system formed by the Fresnel reflection condensing mirror array and the solar tracking device is adopted and is well matched with the hot grade of thermal chemical reaction of mid-and-low temperature fossil fuel, the structure is simple, the manufacturing and running cost is low and the wing resistance is good when the solar energy thermochemical utilization device is mounted close to the ground; with the chemical reactant medium and the catalyst in the thermal absorber, the solar energy thermochemical utilization device can serve as the thermochemical reaction place while absorbing the solar energy, so that the heat can be directly absorbed and utilized, and the system integration complexity and energy transfer loss can be effectively reduced; as the thermal absorber is independently arranged, the safety and the stability are higher during the heat absorption and reaction process.

A fault diagnosis method of a hydraulic submerged pump system comprises three steps of data acquisition and storage, data processing and analysis as well as data diagnosis and alarming. According to the method, fault information in the system are accurately reflected with a multivariate data analysis method, coupling of multiple variates in the system are analyzed, and a new comprehensive index is formed and can comprehensively reflect faults of the original system. With the adoption of the method, fault types of a submerged pump can be accurately reflected, the reliability of the submerged pump system can be effectively improved, the usage range is wide, and manufacturing and operation costs are low.

The invention relates to a novel catalytic-combustion industrial furnace, which comprises a gas-supplying system, a preheating system (3) and a furnace-body system, wherein the gas-supplying system comprises a combustible-gas pipeline (4), a combustion-supporting gas pipeline (1) and a gas-mixing device (6); the preheating system (3) is used for preheating mixed gas which is mixed through the gas-mixing device (6); the furnace-body system comprises a furnace shell (7), a front hearth segment (8), a catalyst carrier (9) and a rear hearth segment (10), and a catalyst is attached to the catalyst carrier (9); and the mixed gas after being preheated by the preheating system (3) enters the area of the catalyst carrier (9) after passing through the front hearth segment (8) to finish catalytic-combustion reaction, and smoke gas after the reaction is discharged through the rear hearth segment (10). The novel catalytic-combustion industrial furnace disclosed by the invention can be applied to the purification processing of industrial organic waste gas and the oxygen reducing and removing processes of oxygen-contained combustible gas, and has the characteristics of high efficiency, energy saving, environmental protection, safety, simple structure, low manufacturing cost, good production stability and the like.

The present invention provides a coarse coal powder permanent magnet dry type echelon magnetic extractor. The magnetic extractor includes a main body machine frame, a drive wheel machine frame equipped with a drive conveyer band wheel on the machine frame body and a drove wheel machine frame equipped with a drove conveyer band wheel on the machine frame body which are set on left side and right side of the main body machine frame respectively; an echelon magnetic source is set on top of a steel plate table of the main body machine frame, a magnetic material receiving hopper is set on bottom of the steel plate table of the main body machine frame; an upper conveyor belt part of a sorting material conveyer band drove by the drive conveyer band wheel and the drove conveyer band wheel locates on right upper part of the echelon magnetic source, a down bend returning band part locates on right down part of the echelon magnetic source; a vibrating feed hopper is set on the machine frame on upper of the drove conveyer band wheel, a non-magnetic receiving material hopper is set on the machine frame on down part of the drive conveyer band wheel; a poly-magnetic dielectric is set on upper of the sorting material conveyer band located on upper part of the echelon magnetic source which can move front and back, right and left.

The invention provides waste sorting and conveying equipment. The equipment comprises a feed bin, a sorting and conveying device, a collecting device and a rack. The sorting and conveying device comprises a conveying portion and a sorting portion. The conveying portion comprises a conveying belt used for carrying waste and driving wheels used for driving the conveying belt to operate. The feed binis arranged above the feed end. The collecting device is close to the discharging end and located below the discharging end. The sorting portion comprises a throwing mechanism and a wind supply mechanism. The throwing mechanism is arranged under the conveying belt, and can act on the conveying belt so that the waste on the conveying belt can be thrown upwards. The wind supply mechanism comprisesa sealing hood covering the upper portion of the conveying belt, and wind inlet pipelines which are arranged on the sealing hood. The wind inlet pipelines are connected with a wind source and supply wind into the sealing hood so that the wind can be blown towards the waste. According to the waste sorting and conveying equipment, through throwing and wind blowing, materials with different masses are made to have speed differences in the conveying process, so that different moving trajectories are formed, and accordingly, the materials are effectively separated at the discharging end.

The invention discloses a heat recovering fresh air machine which comprises a return air inlet, a return air channel, a fresh air channel, a heat exchange core body, a wet film and a water mist spraying device, wherein the return air channel communicates with the return air inlet; the heat exchange core body is used for realizing heat exchange between return air in the return air channel and fresh air in the fresh air channel; the wet film is arranged in the return air channel and is located in a part between the return air inlet and the heat exchange core body; the water mist spraying device is arranged in the return air channel and is located in a part between the wet film and the heat exchange core body; in the heat exchange core body, fresh air and return air flow in a cross flow manner and are separated through a hydrophilic aluminum foil, the fresh air is in direct contact with one face of the hydrophilic aluminum foil while the return air is in contact with another face of the hydrophilic aluminum foil, and the wet film and water mist generated by the water mist spraying device form a liquid thin layer on the surface of the other surface of the hydrophilic aluminum foil. By adopting wet film pre-cooling combined with indirect evaporative cooling, the heat recovering efficiency is improved. Compared with a conventional sensible heat recovering fan, the all heat recovery efficiency in a refrigerating working condition in summer can be increased from 30% to 80%, and the sensible heat recovery efficiency is increased from 65% to 140%.

The invention discloses an experiment device for simulating the damage failure of a conducting roller by work conditions. The experiment device comprises a plating bath, bearing brackets arranged on two sides of the plating bath as well as an upper roller and a lower roller which are arranged in the plating bath, wherein two sides of the upper roller and the lower roller are respectively connected with the bearing bracket; the lower roller is connected with a driving speed regulating motor through a coupling; the upper roller and the lower roller are connected through an upper driving gear and a lower driving gear; rolling bearings connected with the upper and lower rollers are arranged in the bearing brackets; a collecting ring connected with the upper roller is arranged between the plating bath and the bearing bracket; water cooling rotary connectors are connected to two ends of the upper roller; an upper roller polishing block is also connected to the upper roller and is connected with a reversible motor through a ball screw; an anode plate and an upper conducting roller are arranged in the plating bath; and a preheating supplement groove is also arranged in one side of the plating bath. According to the experiment device disclosed by the invention, actual work conditions of the conducting roller can be simulated in multiple aspects; the simulation test for the damage failure of multiple conducting roller materials is developed; and a convenient and fast experiment method for developing new materials and processes is provided. In addition, the experiment device is simple and convenient in operation and easy for popularization.

The invention discloses a symmetric type two-level plane reflection gathering method applied to a space solar power station, and relates to symmetric type two-level plane reflection gathering methods. The method aims to solve the problems that in a current solar energy gathering system scheme, gathering energy flow distribution is uneven, a light spot pattern does not match the shape of a solar cell, and tracking difficulty is high. A reflecting system is established through the following steps that first level off-axis parabolic reflecting planes are arranged on the two sides of a solar cell panel respectively, the two first level off-axis parabolic reflecting planes are symmetrically arranged around an optical axis perpendicular to the solar cell panel, two second level tapered plane mirrors are symmetrically arranged on the two sides of the focus of the two first level off-axis parabolic reflecting planes respectively, two elliptic light spots generated on the surface of the solar cell panel overlap completely, the optimum structure parameter of the reflecting system is calculated, tracking error regulation is carried out on the reflecting system, the reflecting system under in-orbit operation is regulated in two dimensions, and a solar cell array can achieve energy flow gathering. The method is used for energy flow gathering of the space solar power station.

The invention relates to a grading grinding mechanism of a medium speed coal mill. The grinding mechanism comprises a top disc and a bottom disc. The mechanism has a reasonable structure, an adjustable and limited grinding space successively decreasing step by step is formed between the top disc and the bottom disc, and raw coal from large granules to small granules can be sequentially ground in a grading and successive manner. The large granules are ground in a wide grinding space, coal with small granularity can enter a next grade grinding space and is ground, and the small granule raw coal directly passes through a gap, enters a next stage small grinding space and is ground, so the coal granules with large and small particle sizes can be simultaneously ground. The grading grinding structure greatly improves the grinding efficiency, and coal dust finally obtained through grinding accords with combustion requirements, can be directly sent to a boiler without separation and is combusted, so a large amount of cost is saved.

The invention provides a light material separation device. The device comprises a wind supply mechanism for blowing wind to a material and a material throwing mechanism for throwing the material up; and the wind supply mechanism comprises a sealing cover which is arranged above the material throwing mechanism in a covering mode and air inlet pipelines which are symmetrically arranged on two sidesof the sealing cover, and a wind force source provides wind force to the material through the air inlet pipelines. According to the device, by arranging the wind supply mechanism and the material throwing mechanism, the technical problem that the light material and the heavy material are mixed and extruded together and can not fully receive the wind, and thus the separation effect is poor is solved, and the separation effect of the light material is improved under the combined action of the material throwing and the wind blowing.

The invention relates to a concrete pumping whole-course simulation test device and a detection method, and belongs to the technical field of concrete pumping performance measurement, and aims to conveniently evaluate the concrete pumping performance by simulating the flow of a concrete mixture in different pump pipe units, measuring the resistance of concrete in a pump pipe and calculate the whole-course pressure-flow relationship of the pump pipe. The device comprises a plurality of simulation units, wherein each simulation unit comprises a bent pipe simulation unit and a straight pipe simulation unit, the simulation unit is internally provided with two quasi-rigid chains, the mutually approaching end parts of the two quasi-rigid chains are respectively provided with pistons in a matchedmode, the outer end faces of the two pistons are provided with a concrete sample therebetween, the free ends of the quasi-rigid chains are connected with an external power device I and an external power device II through rigid straight rods, and the quasi-rigid chains and the pistons can slide in the axial direction of the inner wall of the simulation unit under the action of an external force. According to the method, the pressure loss in the whole pumping process is calculated by measuring the flow resistance of concrete in different pump pipe units.

The invention provides a garbage sorting and conveying device. The device comprises a rack and a conveying part, wherein the conveying part comprises a conveying belt for carrying garbage and transmission wheels for driving the conveying belt to operate, the conveying belt is tensioned on the transmission wheels and is provided with a feeding end and a discharging end, the garbage sorting and conveying device further comprises a sorting part, the sorting part comprises a material throwing mechanism and an air supply mechanism, the material throwing mechanism is arranged below the conveying belt and can act on the conveying belt to throw the garbage on the conveying belt, the air supply mechanism comprises a sealing cover covering the upper portion of the conveying belt and an air inlet pipeline arranged on the sealing cover, and the air inlet pipeline is connected with a wind power source to supply air into the sealing cover and blow the air to the garbage. According to the device, byarranging a sorting mechanism on a conveying mechanism, garbage conveying and sorting can be carried out simultaneously, through the combined action between material throwing and air supplying, the garbage of different masses generates speed differences to form different movement tracks, and therefore rapid and effective separation of the construction garbage is achieved.

The invention belongs to the field of automobile driving training teaching simulation equipment, and provides an advanced driving simulation system based on monocular vision and a method thereof, andthe system comprises a lane departure early warning module, a forward collision early warning module, a master control module, and a drive control module. The lane departure early warning module and the forward collision early warning module are connected with the master control module, and the master control module is connected with the drive control module. The lane departure early-warning module system and the forward collision early-warning module system are integrated with GPS positioning and other functions and applied to the driving simulation device, a driver is prompted to change a path in time according to own will in a voice broadcast and display screen path display mode, the driving safety performance is improved, the driving safety is improved, energy is saved, the environmentis protected, and the driving skills of people are improved.