149results about How to "Extend the motion path" patented technology

Disclosed herein is a secondary battery comprising electrode leads mounted in a sealed fashion in a battery case while the electrode leads partially protrude from the battery case and resin films disposed between the battery case and the electrode leads wherein the electrode leads are provided at predetermined areas of the surfaces thereof, to which the resin films are applied, with irregular parts, by which the adhesive strength between the electrode leads and the resin films is increased. The adhesive strength between the electrode leads and the resin films is large, and the movement path of moisture or electrolyte, through which the moisture contained in the air or the electrolyte contained in the secondary battery may move, is extended. Consequently, the present invention has the effect of minimizing the reduction in service life of the secondary battery due to introduction of the moisture into the secondary battery and leakage of the electrolyte from the secondary battery. The secondary battery is very useful as a unit cell for medium- or large-sized battery systems, such as hybrid electric vehicles.

The invention relates to a lignite drying and carbonization quality-improving device, in particular to a lignite drying and carbonization quality-improving tower with a reciprocating and turning-back rolling bed. In the quality-improving tower, a drying and carbonization reaction chamber is surrounded by a furnace lining; the top of the reaction chamber is provided with a coal conduit, and the inside of the reaction chamber is divided into multiple layers of drying chambers and multiple layers of carbonization chambers from top to bottom; each drying chamber and each carbonization chamber areprovided with an air inlet and an air outlet for introducing and discharging drier or carbonization agent; and each inclined reciprocating grate is installed in each drying chamber and each carbonization chamber, the inclination directions of the reciprocating grates form staggered arrangement from top to bottom, each reciprocating grate is provided with an eccentric drive device, an interlay barrier below the tail part of each reciprocating grate is provided with an interlayer coal seal, a coke quenching tank is connected to the lower part of the interlay coal seal of the carbonization chamber at the bottom layer, and a coal discharging screw conveyer is arranged at the bottom part of the coke quenching tank. The invention solves the problems of raised dust and gas explosion, poor coal layer air permeability, low gas-solid heat transfer efficiency, raw coal burst, nonuniform coal layer temperature and poor regulation and control maneuverability for different sections existing in the traditional lignite drying and carbonization device.

The invention discloses a building gravel screening machine having an anti-blocking function, relates to the technical field of screening devices and aims to solve the technical problems that screening plates of existing screening equipment are prone to being blocked, repeated screening is needed, gravel different in particle size cannot be screened in one time, and screening efficiency is low. The building gravel screening machine comprises a box, a feeding port and a discharging port are arranged on the box, a scraping plate component and at least two screening plates are arranged in the box, the scraping plate component comprises a first rotating shaft which is vertical, a first driving motor and multiple scraping rods sleeving the first rotating shaft and positioned above the corresponding screening plates, a circulating outlet and a circulating inlet which are matched with the corresponding screening plate are arranged on the box, a material lifting device positioned on the outerside of the box is connected on the circulating outlet and the circulating inlet, and a gravel outlet is arranged at the bottom of the material lifting device. The building gravel screening machine has the advantages that blocking of the screening plates is prevented effectively, clean gravel can be screened in one time while gravel different in particle size can be screened in the other time, andscreening efficiency is high.

The present invention provides a linearization potential well wall path expansion stochastic resonance weak feature extraction method. The method comprises: performing preprocessing of collected vibration signals with different fault degrees of a machinery device to allow the vibration signals to satisfy the small parameter signal input conditions in the heat insulation approximation hypothesis; taking the preprocessed signals as the input of a linearization potential well wall path expansion stochastic resonance system, and selecting the output signal to noise ratio of the stochastic resonance system to be the fitness function of a genetic algorithm, performing adaptive searching optimization of the system parameters, and realizing the optimal dynamic matching between the system and the input signals; and finally, inputting signals to systems with different faults, and taking the outputs of the path expansion stochastic resonance system with the optimal matching parameters as the optimal enhancement result to perform fault feature extraction and qualitative analysis according to the optimal dynamic system matching parameters. The linearization potential well wall path expansion stochastic resonance weak feature extraction method is able to improve the potential well walls of the two sides of a traditional bi-state stochastic resonance system so as to enhance the weak fault feature enhancement extraction capability.

The invention discloses a multilayer combined type miniature catalytic reforming reactor comprising a seal cylinder, wherein the seal cylinder comprises an upper panel, a lower bottom plate and an outer cylinder; the upper panel is provided with a plurality of coaxial upper inner cylinders, the lower bottom plate is provided with coaxial lower inner cylinders with same amount with the upper innercylinders and staggered with the lower inner cylinders, the difference of heights of the upper inner cylinders and the lower inner cylinders is smaller than the distance from the upper panel to the lower bottom plate, and the lower inner cylinder at the innermost side extends out of the lower bottom plate; annular reaction channels are respectively formed between the outer cylinder and each upperinner cylinder and between each upper inner cylinder and each lower inner cylinder; and a plurality of air inlet pipes communicated with the annular reaction channels are arranged on the circumference of the outer cylinder along the tangential direction. In the invention, an inner cylinder, an outer cylinder and a spiral guide plate which are crossed on an upper bottom plate and a lower panel areformed into continuously ascending or descending channel so that liquid in the channel advances spirally along the channel to ensure that the movement path of reaction gas in a small space is greatlylengthened, the reaction time is prolonged, and the mixing quality of fuel gas and air is improved.

The invention discloses a novel pipeline gas-liquid separator. The separator is composed of a process pipeline as well as a fluid-stabilizing component, a swirling component, a separating component and a capturing component which are arranged in the pipeline, wherein the fluid-stabilizing component comprises a guider arranged at the front end of a guide blade and a fluid-stabilizing cone arranged at the rear end, and plays a role of stabilizing a fluid; the swirling component is a guide blade concentric with the pipeline, and forces the fluid to generate a centrifuging action; the separating component comprises a separating barrel body in a straight pipe section and a porous medium separating cone in a conical section, and can be used for achieving gas-liquid centrifuging separation; the capturing component comprises a front arch-shaped plate, a rear arch-shaped plate and a liquid-collecting tube arranged behind the arch-shaped plates, and can be used for achieving capturing of liquid drops; long-strip-shaped grooves are formed in the arch-shaped plates, the grooving directions in the front arch-shaped plate and the rear arch-shaped plate are staggered, and liquid-flowing grooves are formed in the lower part of the separating cone and the bottoms of the arch-shaped plates. Through the technical scheme, according to the pipeline gas-liquid separator disclosed by the invention, the centrifuging separation component and the mechanical capturing component are arranged in the pipeline, and thus the size of the separator is greatly reduced and the capturing efficiency is increased. Meanwhile, due to the staggered arrangement of the arch-shaped plates, the movement path of the fluid is lengthened, and the capturing probability of the liquid is increased.

Provided are a method of preparing solid electrolyte particles of Chemical Formula 1 including preparing a precursor solution by mixing a titanium precursor, a lanthanum precursor, and a lithium precursor in an aqueous or organic solvent, and heat treating the precursor solution, solid electrolyte particles prepared thereby, and a lithium secondary battery including the solid electrolyte particles:Li3xLa(2 / 3-x)TiO3 (0<x<0.16).   <Chemical Formula 1>According to a method of preparing solid electrolyte particles according to an embodiment of the present invention, solid electrolyte particles may be easily prepared by heat treating at low temperature for a short period of time.

The invention discloses a Hall thruster with a novel buffer cavity, and belongs to the technical field of Hall thrusters. The Hall thruster with the novel buffer cavity solves the problems that in thecase of an existing low-power Hall thruster, due to the fact that the size is too small, gas density and homogenization degree are not high. An inner ceramic screen and an outer ceramic screen of theHall thruster with the novel buffer cavity are of an inside-and-outside nested cylindrical structure, a radial gap and an axial gap are formed between the inner ceramic screen and the outer ceramic screen, so that a buffer cavity structure between the inner ceramic screen and the outer ceramic screen is formed, an anode and the outer ceramic screen are fixedly mounted on a bottom plate through agas distributor and a nut, an inner permanent magnet is fixedly mounted in the inner ceramic screen through a permanent magnet support, and is fixedly mounted on the bottom plate through a fixing nut,and an outer permanent magnet is mounted on the outer side of the outer ceramic screen in a sleeving mode. A discharge channel of the Hall thruster with the novel buffer cavity is formed by insertingthe outer ceramic screen and the inner ceramic screen, the buffer cavity is formed at the area between the outer ceramic screen and the inner ceramic screen, a gas motion path is enlarged through thenovel buffer cavity structure, and gas is more sufficiently homogenized.

An electronic component includes an element body and an external electrode. The element body includes a principal surface arranged to constitute a mounting surface and an end surface adjacent to the principal surface. The external electrode includes a conductive resin layer disposed to continuously cover a part of the principal surface and a part of the end surface, and a plating layer covering the conductive resin layer. The conductive resin layer includes a first region positioned on the end surface, a second region positioned on a ridge portion between the end surface and the principal surface, and a third region positioned on the principal surface. In a case where a maximum thickness of the first region is T1 (μm) and a minimum thickness of the second region is T2 (μm), the maximum thickness T1 and the minimum thickness T2 satisfy a relation ofT2 / T1≥0.26.

The invention discloses an automatic chip mounter. The automatic chip mounter comprises a first platform for bearing, a feeding mechanism, a blanking mechanism and a four-axis joint mechanical arm; the feeding mechanism includes a second platform which bears a plurality of trays provided with first patches, wherein the second platform is rotatably connected above the first platform; the blanking mechanism includes a third platform which bears a plurality of accommodating devices provided with second patches to be subjected to chip mounting; the third platform is rotatably connected above the first platform; the four-axis joint mechanical arm includes a base fixed on the first platform, a rotary arm of which one end is rotatably connected with the base, a lifting rod of which the upper end is connected with the other end of the rotary arm in a lifting manner, and a suction nozzle which is rotatably connected with the lower end of the lifting rod; and under the joint action of the rotary arm and the lifting rod, the suction nozzle moves to the second platform to suck the first patches and moves to the third platform and arranges the first patches on the second patches, so that patch mounting can be realized; the second platform can rotate by 180 degrees at a horizontal direction; and the third platform can rotate by 180 degrees at a horizontal direction. The automatic chip mounter of the invention has the advantages of high chip mounting efficiency and high accuracy.

A lithium-ion secondary battery capable of securing safety at a time of battery abnormality and restricting a drop in a high rate discharge property is provided. A lithium-ion secondary battery 1 has an electrode group 5 formed by winding a positive electrode plate 2 in which a positive electrode mixture including a positive electrode active material is formed at a collector and a negative electrode plate 3 in which a negative electrode mixture including a negative electrode active material is formed at a collector via a porous separator 4. A flame retardant is mixed to the positive electrode mixture of the positive electrode plate 2. The mode of pore diameters formed at the positive electrode mixture, which is measured by a mercury porosimetry, is set to a range of from 0.5 to 2.0 μm. The moving path for lithium-ions and at the same time the moving path for electrons are secured at a charge / discharge time.

The invention discloses a grading catalytic combustion device capable of coupling strong and weak heat release, which comprises an inner barrel, an outer barrel, a conical sleeve and a circular air inlet pipe; one end of the outer barrel is sealed with the inner barrel; one end of the inner barrel extends out of the sealing end of the outer barrel; the circular air inlet pipe extends into the other end of the inner barrel; the conical sleeve is hermetically connected between the outer barrel and the circular air inlet pipe; a plurality of air inlet pipes communicated with the inside of the outer barrel are uniformly distributed on the circumference of the outer barrel; a gas inlet pipe communicated with the inside of the outer barrel is arranged between the adjacent air inlet pipes; and the inner wall of the outer barrel and the wall of the inner barrel are coated with catalytic agents. The grading catalytic combustion device centralizes the inner barrel and the outer barrel into a reaction device to carry out grading catalytic combustion to generate the coupling reaction, thereby enhancing the oxidation reaction; the air inlet pipes are tangentially and crosswise arranged to facilitate the uniform mixing of gas and air and the adherence flowing; and the retention time of gas swirl in a micro space is increased so as to enhance the combustion stability and ensure that the reaction is easier to generate, the combustion is more complete, and the combustion efficiency is further improved.

The invention discloses efficient indoor air purification equipment. The efficient indoor air purification equipment comprises a shell, an air inlet device is arranged outside the shell and comprises an air collecting hood, an air inlet pipe and a draught fan, the air collecting hood communicates with the bottom of the shell through the air inlet pipe, and the draught fan is arranged on the air inlet pipe; a breather pipe is arranged at the bottom in the shell and is formed by sequentially connecting a plurality of n-shaped branch pipes, and the air inlet pipe communicates with the left end of the breather pipe; a spraying pipe is arranged above the breather pipe, is uniformly provided with a plurality of spraying heads and is connected to a high-pressure pump located at the bottom in the shell through a liquid inlet pipe. The efficient indoor air purification equipment has the beneficial effects that due to the n-shaped branch pipes, the motion path of air inside the breather pipe is greatly improved, the contact path between the air and adsorption liquid is improved, and the adsorption effect on air impurities is better. The efficient indoor air purification equipment has the advantages that the structural design is reasonable and the purification effect is good.

The invention discloses a quick-feeding screening machine for building gravel and relates to the technical field of screening devices. The quick-feeding screening machine comprises a box, a feeding port and a discharging port are arranged on the box, a feeding mechanism is arranged on the outer side of the box and comprises a first shell, a first rotating shaft which is vertical is arranged in thefirst shell, a first driving motor is arranged at the top of the first rotating shaft, a first spiral blade sleeves the first rotating shaft, a gravel inlet is arranged at the lower end of the firstshell, and a gravel outlet is arranged at the upper end of the first shell and communicated with the feeding port; at least two screening plates are arranged in the box, a circulating outlet and a circulating inlet are arranged on the box, the bottom end of the circulating outlet is flush with the upper surface of each screening plate, a material lifting device positioned on the outer side of thebox is connected on the circulating outlet and the circulating inlet, and a discharging opening is arranged at the bottom of the material lifting device. The quick-feeding screening machine has the advantages of being quick in feeding, capable of screening gravel in one time, capable of screening gravel different in particle size in one time and high in screening efficiency.

The invention discloses a heating system using biomass combustion. The heating system comprises a combustion furnace, a water storage tank and a heat exchanger; a water inlet end of the combustion furnace is connected with a water outlet of the water storage tank; a water inlet of the water storage tank is connected with a water outlet of the heat exchanger; and a water inlet of the heat exchanger is connected with a water outlet end of the combustion furnace. The heating system solves the problem of low gasification heat conversion rate of biomass and the problem of generation of tar and harmful gas due to insufficient biomass combustion.

The invention discloses a symmetrical type carbon nanotube cathode ionization gauge. A carbon nanotube array capable of achieving electron field emission at room temperature is taken as a cathode, interferences of the high-temperature thermionic cathode to a heat sensitive, light sensitive and strong magnetic field system are overcome, and a power consumption demand is reduced based on a field emission mechanism. The carbon nanotube array cathode grows on two faces of a substrate, and symmetrical double-electrode arrangement is adopted; and, on the premise that the complexity of a circuit is not changed, the lengths of electron trajectories are effectively prolonged, and improvement of the sensitivity of an ionization gauge in the kind is facilitated. Furthermore, higher-voltage anodes 5 are added between gate electrodes 4 and collecting electrodes 6, so electrons oscillates between the gate electrodes 4 and the collecting electrodes 6, the electron trajectories are also prolonged, and the sensitivity of the ionization gauge is further improved.

This invention relates to a long life ionic source of ion injection machine used in ion injection technology for manufacturing semiconductors including: an ionic source shell, two supporting plates, two end plates, a reflection pole connection bar, a reflecting pole, a lead out plate, an indirectly heated cathode, a screen tube, a heating electronic gun, a heat screen plate, two filament fixing rods, a source magnetic field excitation wire packet, an insulation material block and an induction pipe. Advantages: 3-4times of the lifetime of the ordinary ionic source, stable and full discharge.

The invention provides an air cooling device for tempered glass and relates to the field of glass cooling. The air cooling device comprises drive rollers, upper air grids located above the drive rollers and lower air grids located below the drive rollers, wherein an air baffle for preventing air from blowing downwards is arranged below each drive roller and arranged between adjacent lower air grids, a longitudinal exhaust pipe is fixed at the upper end of the air baffle and fixed on the side surface of the corresponding lower air grid, and two ends of the exhaust pipe are open; multiple vertically transverse partitions are arranged on each air baffle longitudinally, so that multiple cooling units which are only open at upper ends are formed by the partitions with the lower air grids, the exhaust pipes and the air baffles; each exhaust pipe is provided with an air inlet in the corresponding cooling unit, and the lower air grids blow glass for cooling; air cushions are formed by air accumulation in each cooling unit, air in the cooling units can be discharged from the exhaust pipes through the air inlets instead of blowing to two sides along the two lower air grids, so that the longitudinal cooling effect on the glass is uniform, and stress difference caused by non-uniform cooling is reduced.

The invention provides an RC-IGBT device and a preparation method thereof. The RC-IGBT device includes a first collector region with a first conductivity type and a second collector region with a second conductivity type; the first collector region has a first end portion extending through the field cut-off region for isolating a field cut-off region into a first cut-off region and a second cut-off region; the portion of the first collector region, other than the first end portion, is disposed in contact with the first cut-off region; and the second collector region is disposed in contact withthe second cut-off region. Due to the isolation of the first end portion of the first collector region to the field cut-off region, electrons or holes need to climb over the first end portion, whichincreases carrier motion path, thereby increasing the potential difference of the RC-IGBT device, above the first collector region, in the initial period of conduction, making the PN junction easier to turn on, the device easier to switch from unipolar conduction to bipolar conduction, further suppressing the Snapback effect of the RC-IGBT device in the initial conduction period.

The invention discloses a V-shaped gap type hemispherical blunt body micro-combustor with the hydrogen permeation and combustion stabilization functions. The micro-combustor comprises an outer spherical body, an inner spherical body and a blunt body. At least one set of gas inlet channels are formed in the peripheral direction of the middle of the outer spherical body. Each gas inlet channel of each set is composed of a fuel gas inlet, an air inlet and a hydrogen inlet. A gas outlet channel is formed in the bottom of the outer spherical body, and another gas outlet channel is formed in the bottom of the inner spherical body. The inner spherical body is composed of a segment and a round multi-hole panel. The segment is made of a hydrogen permeation material. The round multi-hole panel is provided with a plurality of round holes. The blunt body is a hollow hemispherical body and is arranged on the upper portion in the inner spherical body. The top of the blunt body is provided with a V-shaped gap. The micro-combustor enables gas of micro flow to generate catalytic combustion reaction fast and efficiently. Due to the blunt body, the premixed gas forms a return flow zone in the back of the blunt body; according to the characteristics of low speed and high temperature of the rear return flow zone of the blunt body, near fuel is lighted so that the purpose of combustion stabilization can be achieved, the blow-off limit of the fuel can be improved greatly, and the combustion efficiency is improved.

The invention relates to the field of air purification, and discloses a magnetic electret fiber air purifying and filtering material and a preparation method. The preparation method comprises the following preparation processes: (1) preparing metal ion solutions of ferric salt, cobalt salt and nickel salt; (2) adding into a mixed solution of cyclohexane, n-amyl alcohol, cetyl trimethyl ammonium bromide and oxalic acid to form a microemulsion, and calcining to prepare magnetic nanowire powder; (3) adding the magnetic nanowire powder, inorganic electret nanoparticle titanium dioxide, silicon dioxide and a polar polymer into a solvent to prepare electrostatic spinning fluid; and (4) performing electrostatic spinning on a non-woven fabric to prepare the magnetic electret fiber air purifying and filtering material. The magnetic nanowire added in the prepared magnetic electret fiber material not only enhances the initial potential but also slows down the attenuation of surface potentials, amagnetic field enables the material to keep surface potential for a long time in damp air, the magnetic field decay is extremely slow, the capture capacity of the material to particulate matters is enhanced, and the service life of the material is prolonged.

The invention discloses a fabricated supporting structure suitable for small debris flow gully treatment. The fabricated supporting structure comprises movable baffles and at least one gabion stone cage, wherein the movable baffles are arranged behind the gabion stone cages in rows and staggered, and the gabion stone cages are arranged in a staggered manner along the debris flow gully; the lower ends of fixed columns of the movable baffles are embedded and fixed to a debris flow gully bed, hollow sleeves are arranged outside the ground parts of the fixed columns in a sleeving mode, and panelsare fixed on annular clamping sleeves outside the hollow sleeves to form movable baffles; the gabion stone cage blocks larger stones, and the panels of the movable baffles can rotate around the fixedcolumns, so that the movement path of the stones is lengthened while the dividing effect is achieved, and energy dissipation and selective blocking are achieved; the panels, the hollow sleeves and thefixed columns of the fabricated movable baffles can be machined in advance and only need to be assembled on site, so that construction time is saved; and the panels and the hollow sleeves are detachable, so that the accumulated stones are convenient to clear, faults can be independently solved, prefabricated parts can be reused, and engineering cost is saved.

The invention provides a device and method for fine adjustment of molten steel components and for modification of inclusions in a continuous casting tundish. The device mainly consists of a tundish rectangular chamber and a tundish rotational flow chamber, wherein the tundish rotational flow chamber is located at one side of the tundish, is provided with an independent reaction chamber and is fixedly connected with the tundish rectangular chamber to form a main structure of the device; a molten steel outlet is formed in the upper side wall of the tundish rotational flow chamber; and a plurality of blowing holes are circumferentially formed in the side wall at a certain height from the bottom of the tundish rotational flow chamber. According to the device and the method, alloy powder is blown into the tundish rotational flow chamber by blowing in carrier gas through the blowing holes, and the fine adjustment of the molten steel components and the modification treatment of the inclusions in the tundish are preliminarily finished inside; and due to the driving action of the blown-in gas, the molten steel rotatably flows, the interaction time of the blown-in alloy powder and the molten steel is prolonged, and the alloy powder and the molten steel are fully blended, so that the yield and the utilization rate of alloy elements are improved, and the alloy components in the molten steel are uniform.

The invention discloses a dust collector suitable for high-temperature dusty tail gas recovery. The dust collector comprises an outer cylinder, a first hollow inner cylinder, a second hollow inner cylinder, an air inlet pipe, a spiral stirring device, a spiral disc, an outer-layer heat exchange pipe, an inner-layer heat exchange pipe and a spraying device, wherein the first hollow inner cylinder is arranged inside the outer cylinder, and is sequentially provided with a first part, a second part and a third part from top to bottom, a first interlayer is formed by the first part and the outer cylinder, and the first part is communicated with the outside; the second part is conical; the third part is shaped like an inverted cone, the lower end of the third part props against the inner wall of the outer cylinder so as to form a second interlayer together with the second part and the outer cylinder, and the third part is provided with a plurality of arc-shaped air discharging holes; the second hollow inner cylinder is arranged inside the first hollow inner cylinder; one end of the air inlet pipe tangentially penetrates through the first part, and the other end of the air inlet pipe is communicated with the outside; the spiral stirring device comprises a rotary shaft; the spiral disc spirally extends along the other end of the rotating shaft; the outer-layer heat exchange pipe winds to the upper part of the first part along the second part, and the lower end of the outer-layer heat exchange pipe is communicated with a liquid inlet pipe; and the inner-layer heat exchange pipe winds along the second hollow inner cylinder, and the upper end of the inner-layer heat exchange pipe is communicated with the outer-layer heat exchange pipe. The dust collector disclosed by the invention has high efficiency.

The invention discloses a self-circulating water efficient air cooler for Baijiu. The air cooler comprises a device body; a self-circulating water system and a main cooling air-cooling pipe system connected with the self-circulating water system are arranged in the device body; the top part of the device body is provided with an air-cooling driving system; the self-circulating water system includes a water circulating system and an S-shaped cooling pipe; the S-shaped cooling pipe is arranged in the water circulating system; the S-shaped cooling pipe is a disk-shaped zigzag pipeline; the main cooling air-cooling pipe system includes an air cooling pipe and a plurality of cooling assemblies; and the air cooling pipe is a disk-shaped zigzag pipeline and is arranged in a stepped shape from topto bottom. Cooling treatment is performed on Baijiu steam by water cooling and air cooling simultaneously; meanwhile, the S-shaped cooling pipe is of a disk-shaped zigzag structure, and thus, the movement path of the Baijiu steam is extended and the heat exchange time between the Baijiu steam and cooling water is increased; since the air cooling pipe is the disk-shaped zigzag pipeline and is arranged in the stepped shape from top to bottom, overlapping of pipelines of each layer of the air cooling pipe is avoided, so that the pipelines of each layer of the air cooling pipe can be in full contact with cold air generated by the air-cooling driving system, and the Baijiu steam can be quickly cooled.

The invention discloses sludge drying-carbonization combined heat treatment equipment which comprises a drying furnace and a carbonization furnace. The discharging end of the drying furnace is communicated with the feeding end of the carbonization furnace through a spiral feeder. Materials are dried by the drying furnace and then are fed to the carbonization furnace for carbonization treatment through the spiral feeder. The materials are crushed in the drying furnace by designing a class I material crushing cutter and a class II material crushing cutter. The carbonization furnace comprises aninner furnace body and an outer furnace body, and the inner furnace body is rotatably connected into the outer furnace body. A first material shoveling plate and a plurality of second material shoveling plates are designed in the carbonization furnace, so that mixing and crushing of materials are increased. By adopting the sludge heat treatment equipment formed by the drying furnace and the carbonization furnace disclosed by the invention, sludge can be effectively dried and carbonized, and the heat treatment effect is remarkably improved.

The invention discloses an agricultural grain storage bin which comprises a bottom plate, a box, a first motor, a second threaded rod, a movable block, a mounting plate, a hopper, a spring, an L-shaped rod, a rhombic hollow box, an air heater, a V-shaped plate, a second motor, a stirring shaft and a hollow stirring rod. The agricultural grain storage bin is novel in structure, convenient to use and practical; by arranging the first motor, the second threaded rod, the movable block, the hopper and the L-shaped rod, grains can be automatically lifted and put into the grain storage bin, a workerdoes not need to climb, dangerous accidents are avoided, and the agricultural grain storage bin is safer and more efficient. By arranging the rhombic hollow box, the V-shaped plate, the air heater, adust collector, the second motor, the stirring shaft and the stirring rod, the motion path of the grains is increased, the drying time is prolonged, the grains are stirred and dried, the grains are infull contact with hot air, and the grains are heated more fully and evenly; the dust collector works while drying is carried out, and dust in the grains and moisture generated during drying are sucked out.

The invention relates to a flat plate type photocatalytic reaction device. The reactor cavity is a quadrilateral cavity, four corners of which are respectively provided with an air inlet. The reactor cavity is internally provided with a photocatalytic film in the middle, and airflow jet orifices are arranged between the air inlets and the photocatalytic film. One ends of the airflow jet orifices are connected to the air inlets, and the other ends are in tangent connection with the outer circle of the photocatalytic film. The upper end and the lower end of the reactor cavity are respectively provided with an air outlet. With the advantages of reasonable design, simple structure and convenient operation, the flat plate type photocatalytic reaction device provided by the invention has wide market prospects and high social and economic value.