1474results about How to "Lower the altitude" patented technology

A closed multi-room fluidized bed sludge drying method is provided, which is a sludge drying method having the advantages of simple equipment structure, convenient operation, strong sludge adaptability, high thermal efficiency, safety, continuity, stability, etc. After the mechanically dewatered sludge is mixed with the back-mixed sludge, the mixture is dried room by room in an inert particles multi-room fluidized bed dryer (3). The first room and the second room of the inert particles multi-room fluidized bed dryer (3) adopt inert particles (f) as heat storage medium. Gas from a cyclone separator (5) goes through a spray tower (7) and returns into an air heating unit (4) through a circulating fan (10). Part of dried sludge (e) at the lower part of the cyclone separator (5) enters the inert particles multi-room fluidized bed dryer (3) through the back-mixing in a mixer (2). Waste liquid from the bottom of the spray tower (7) enters a waste liquid circulating pool (8), with part of waste liquid circulating into the spray tower (7) and part into a sewage treatment system.

The present invention relates to a fast reactor type coupling nuclear reaction implementation method and a nuclear reactor for same. The main contents comprise: a fast reactor type coupling nuclear reaction implementation method, a reactor modular design approach, a fast reactor type coupling nuclear reactor, a reactor core, a fuel element, a nuclear control system, and a proliferation fuel system. The fast reactor type coupling nuclear reactor mainly combusts thorium and nuclear waste, and has inherent security. The reactor main container is composed of a fission pool and a moderating pool that are completely isolated from each other but coupling to each other. A primary coolant is separated from a moderator. A thermal insulation layer is disposed between the fission pool and the moderating pool so that both can perform neutron exchange but heat exchange is blocked. Fast neutrons produced by the fission pool and moderated neutrons reflected by the moderating pool may enable the reactor core to simultaneously perform coupling nuclear reaction of the two types of neutrons. The moderating pool may be provided with the nuclear control system, and ex-core coupling core control may be implemented. The moderating pool is provided with a thorium purification fuel system, and on-line extraction of the purification fuel can be performed, and separation of nuclide is safe and simple, thereby providing a solution to the technical bottleneck of "thorium reactor".

Provided is a classified-desliming pressurized-feeding three-product dense medium cyclone coal preparation process. The process comprises the steps that wet classification and primary desliming are carried out on raw coal after prescreening, gangue predischarging and breaking are carried out on the raw coal, secondary desliming is carried out on the screen underflow of the raw coal after the screen underflow is concentrated, the oversize products of the secondary desliming and the screen underflow of the primary desliming are together fed in a pressurized three-product cyclone, three products are obtained after separation, and clean coal, middle coal and gangue are obtained after medium separation and dehydration are carried out on the three products. Part of qualified suspension liquid and dilute suspension liquid are obtained when the medium separation is carried out on the three products, magnetic concentrate is obtained after the dilute suspension liquid is recovered by a magnetic separator, and the magnetic concentrate and the qualified suspension liquid are directly fed in a medium blending barrel. The magnetic tailings of the dilute suspension liquid and the undersize mixtures of pre-desliming, the overflow of concentration classifying equipment and a secondary desliming screen enter a coal slime recovery processing system together. The process is high in separation efficiency, flexible in product structure, low in producing and operating cost and prone to achieving the large-scale single system, the modularization and the integrating intellectualization of plant layout.

The invention provides a small-scale LTE multi-array antenna. In the small-scale LTE multi-array antenna, each radiation unit comprises a dual-polarized oscillator and baluns, the dual-polarized oscillator comprises two separate dipoles, each feeding network employs a planar structure, feeding points between network ports are located in the same horizontal line, and the radiation units are placed by employing a strong coupling mode. According to the antenna, the strong-coupling radiation unit technology is employed, the spacing between the radiation units is shortened, and the length of the whole antenna is shorter; the low-profile radiation units are employed so that the height of the antenna is reduced, the overall size of the antenna is only 50% of the size of the same kind of product through comprehensive effect, the occupation of the antenna space is greatly reduced, and the gain of unit arrays is high; and the feeding networks with the integrated planar structures are employed so that the amplitude and the phase precision are high. According to the antenna, excellent performance of mobile communication can be guaranteed.

The invention discloses a display panel and a display device. The display panel comprises a display area and a border area, wherein the display area comprises first signal lines and second signal lines; the border area comprises fan-shaped lines and a semiconductor chip; the fan-shaped lines comprise first fan-shaped lines and second fan-shaped lines; the semiconductor chip comprises first terminals and second terminals; the first terminals are located in the middle area of the semiconductor chip; the second terminals are located on two sides of the first terminals; the quantity of the first terminals is less than the quantity of the second terminals; one ends of the first fan-shaped lines are electrically connected with the first terminals and the other ends of the first fan-shaped lines are electrically connected with the first signal lines; and one ends of the second fan-shaped lines are electrically connected with the second terminals and the other ends of the second fan-shaped lines are electrically connected with the second signal lines. Through the structural design, the heights of the fan-shaped line areas of the display panel can be reduced, and the narrow-border design of the display panel is easy to realize.

The invention discloses a MOSFET (metal-oxide-semiconductor field effect transistor) which effectively lowers source-drain contact resistance in post grid process and a manufacturing method thereof. The MOSFET comprises a substrate, a grid stacking structure, formed by a grid medium layer and a grid metal layer, on the substrate, source-drain areas in substrate parts on two sides of the grid stacking structure, grid side walls on substrate parts on two sides of the grid stacking structure, interlevel dielectric on the substrate, a source-drain contact plug in the interlevel dielectric on the source-drain areas and metal silicide between the source-drain areas and the source-drain contact plug and is characterized in that the interface of the metal silicide and the source-drain areas is provided with an ion-doped dephlegmation area, and the grid medium layer is located below and on the side of the grid metal layer. By the MOSFET which effectively lowers source-drain contact resistance and the manufacturing method thereof and the ion-doped dephlegmation area disposed on the interface between the metal silicide and the source-drain areas, Schottky barrier height can be reduced effectively, and accordingly source-drain resistance is reduced greatly, and device performance is further improved.

The invention discloses an automatic mahjong machine. The automatic mahjong machine comprises tile delivery devices, tile pushing devices and a slope tile discharging device, wherein the slope tile discharging device comprises tile loading assemblies and a tile raising assembly; each tile delivery device comprises a tile delivery box, a tile delivery passage for delivering mahjong tiles is arranged in the tile delivery box, a tile suction wheel is arranged at a tile inlet of the tile delivery passage, a conveying belt driven by a tile delivery motor is arranged in the tile delivery passage, the tile delivery passage is bent in an arc shape, and an included angle formed by the tile incoming direction of the tile inlet and the tile outgoing direction of a tile outlet is 1-15 degrees; in a same tile picking and carrying system, the tile delivery device is arranged between a tile storage groove of the corresponding tile loading assembly and a large tile shuffling disk, an included angle formed by the tile incoming direction of a tile inlet of the tile storage groove and the tile outgoing direction of the corresponding tile outlet of the tile delivery device is 80-100 degrees, and the tile pushing direction of a tile pushing head is matched and consistent with the tile incoming direction of the tile inlet of the tile storage groove. According to the scheme, the mahjong machine is thinner, the tile storage grooves are lengthened, tile jamming does not occur easily, few faults exist, and the running stability is good.

The invention discloses semiconductor material growing equipment, and in particular relates to a Czochralski crystal growing furnace for semiconductor single crystal growth. In the invention, the downward motion of a heat shield is used to replace the upward motion of a crucible, so that the crucible can only rotate and not ascend any more, thus, one degree of freedom is reduced and the system complexity is decreased; by adopting dual heaters respectively located at the bottom and the side face of the crucible respectively to control the growth of a crystal by aiming at different stages respectively, the temperature gradient control of the crystal and melt is more convenient; the relative positions between the crucible and the heaters are kept parallel and unchanged, and the heat radiation of the heaters is directly used for baking the crucible, so that the heat transfer efficiency is greatly improved in comparison with that in a traditional method in which the crucible in the traditional single crystal furnace is constantly away from a heating zone; and a flow guiding cylinder is used for guiding argon gas to carry out enhanced heat exchange on the crystal, so that an convection vortex of the argon gas above the melt is inhibited, thus, impurities and micro-defects in the crystal are favorably reduced and the consumption level of the argon gas is decreased.

A camera module comprises a first reinforcement plate, a flexible substrate, an image sensing chip and a plurality of conductive leads, wherein the flexible substrate comprises a single-sided flexible printed circuit board and a double-sided flexible printed circuit board which form a flexible printed circuit board with a multi-layer structure, and sufficient wiring space is guaranteed accordingly; a groove is formed in a mounting surface of the flexible substrate and penetrates through the single-sided flexible printed circuit board, and a plurality of first welding pads are arranged in the groove; a plurality of second welding pads are arranged on the image sensing chip; one end of each conductive lead is connected with one first welding pad, and the other end is connected with one second welding pad, so that the image sensing chip is electrically connected with the flexible substrate; further, a through hole is formed in the flexible substrate and penetrates through the mounting surface and a back side of the flexible substrate, and the image sensing chip is arranged in the through hole. The total height after the image sensing chip is assembled with the flexible substrate is smaller than the height sum of the image sensing chip and the flexible substrate, so that the height of the camera module can be reduced effectively, and the development requirement for light, thin, short and small tendency day by day can be met.

The invention discloses a packaging and manufacturing method for a thermal enhanced quad flat no-lead flip chip. A thermal enhanced quad flat no-lead flip chip package piece structure comprises a lead framework, a first metal material layer, a second metal material layer, IC chips with convex points, an insulating filler material, a sticking material, radiating fins, heat conducting spacers and a plastic package material, wherein the lead framework comprises a chip carrier and a plurality of pins arranged in multiple circles around the chip carrier; the first metal material layer and the second metal material layer are respectively configured on the upper surface and the lower surface of the lead framework; the IC chips with the convex points are invertedly welded and configured at the position of the first metal material on the upper surface of the lead framework; the insulating filler material is configured below the stepped structure of the lead framework; the heat conducting spacers are configured between the IC chips and the chip carrier through the sticking material; and the radiating fins are configured on the edgeless surfaces of the IC chips through the sticking material and wrapped by the plastic package material to form a package piece. The QFN (Quad Flat No-lead) package piece structure provided by the invention has the advantages of high reliability, low cost and high I/O (Input/Output) density.

The invention provides a method and a device for online detection of foreign fiber in cotton. The device comprises a cotton opener, channels, windows, a CCD (Charge Coupled Device) camera, an illumination light source, a background plate, a nozzle array, a foreign fiber channel, a foreign fiber collecting unit, a computer, an electrical equipment cabinet, operating buttons, a frequency conversionfan and a cotton conveyance pipe. The method comprises the following steps: opening lint cotton; feeding the lint cotton into the detection area of the CCD camera through the channels; performing theillumination and CCD camera sampling in three steps, and further collecting the detection results of the three steps for identifying the foreign fiber; calculating the time for nozzles in the corresponding positions to the foreign fiber to open and close by combining the action delay time of each nozzle; controlling the corresponding nozzles to operate, so as to remove the foreign fiber; and meanwhile, outputting clean cotton with the foreign fiber being removed from the clean cotton output channel, wherein, by combining the performance parameters of the CCD camera, the cotton flow rate in the corresponding area of each nozzle can be calculated from the data obtained through infrared LED illumination and sampling, and the average cotton flow rate can be further calculated; and then, the cotton flow rate in the channels can be stabilized within a per-determined range by controlling the frequency conversion fan.

The present invention relates to preparation process of serial lignosulfonate air entraining and water reducing admixtures for concrete. The preparation process includes the following steps: dissolving solid lignosulfonate in water of the same weight, adding catalyst and oxidant, heating after reaction, adding amine and partial aldehyde to aminate, and dropping the rest aldehyde for condensation reaction to obtain the product; adding surfactant and polymer through stirring, and cooling to obtain liquid phase lignosulfonate as air entraining and water reducing admixture. The present invention is used as the admixture for concrete, and has relatively high water reducing rate, capacity of raising the strength of concrete, and certain setting retarding effect to delay the appearance of cement setting heat peak and reduce crack caused by temperature change.

The invention provides a double-shaft rotating table for adjusting satellite postures, which is used for the purposes of satellite assembly, test, experiment and the like. The rotating table comprises a rotating table body and a position pitching system, wherein the table body is provided with a driving wheel group so that the rotating table can flexibly move and is more convenient to use. The weight is lowered due to the adoption of the form of a slider-crank mechanism. A large portion of pressure is bore by guide rails, and the burden of a pitching pivot is lowered. Besides, a lever transmission mode is adopted, the pressure of a pitching motor and a speed reducer is largely reduced, and the bearing capability of the rotating table is improved. As a connecting rod in the slider-crank mechanism is used as the pitching system, the pitching pivot moves along an arc relatively to the table body with the variation of a pitching angle, and the arc takes the length of a crank as a radius. When the pitching angle is 0, the height of the pitching pivot is in a lowest position, so that the height of the whole equipment is lowered, and occupation space is reduced, thus facilitating storage. Transition rings are designed, different types of satellites are fit through the change of the transition rings, universality is improved, and resources are saved.

The invention provides a color filter and a manufacturing method of the color filter. The method comprises the steps that a substrate is coated with a black matrix material; exposure is performed on the black matrix material by using a halftone mask plate; development is performed on the exposed black matrix material so that a plurality of black matrixes can be formed, wherein the black matrixes comprise first parts and second parts, and the height of the first parts is larger than that of the second parts; a plurality of color film color resistors are formed between every two adjacent black matrixes and on the second parts so that the angle section differences of the color film color resistors can be reduced. According to the color filter and the manufacturing method of the color filter, by decreasing the height of the parts, overlapped with the color film color resistors, of the black matrixes, the angle section differences of the color film color resistors are lowered, and therefore the display effect of an LCD panel is improved.

The invention discloses a comfortable shoe with waist iron blocks respectively arranged at an outsole and a midsole. The comfortable shoe comprises a shoe main body. The shoe main body comprises the outsole and the midsole. A midsole plate and a midsole waist iron block are arranged in the midsole. A single midsole insert is arranged in the midsole. The midsole waist iron block is arranged at a position above the midsole plate. The single midsole insert is arranged at a position above the midsole waist iron block. The midsole waist iron block, the single midsole insert and the midsole plate are integrally arranged. An outsole waist iron block is arranged in the outsole. Since the hardness of the part of the traditional midsole in contact with a foot is high and the part has certain thickness, people wearing the shoe with the traditional midsole feel uncomfortable. Through thinning the midsole, arranging the outsole waist iron block in the outsole and reinforcing the structure of the outsole, the appearance of an original leather shoe is not required to be changed and the height of the back part of the shoe is not required to be increased. Moreover, since a 6mm-thick foot bed type foot pad made of elastic PU or high-foaming material and matched with the shape of the bottom of the foot is arranged in the shoe main body, people wearing the shoe can feel comfortable and the stability is better.

The invention provides a vacuum device for atomic interference gravity measurement, which comprises a two-dimensional magneto-optical trap component, a three-dimensional magneto-optical trap component, an interference component, a detection component and an optical component, wherein the two-dimensional magneto-optical trap is used for atom two-dimensional cooling; the three-dimensional magneto-optical trap component is a tetrakaidecahedron after eight vertex angles are cut from a cube for three-dimensional cooling for atoms after two-dimensional cooling and tossing cooled atoms; the interference component is a cylindrical hollow pipeline for Raman laser incidence; the interference component enables interference to happen to the atoms under mutual effects of stimulated Raman transition laser and tossed atoms; the detection component is cubic for detecting the transition probability of atoms after interference; and the optical component is used for reflecting the incident Raman laser, and together with incident laser, a stimulated Raman transition laser pair is formed. The device height is greatly reduced, the weight of the device is lessened, the device is more flexible, and the stability is greatly enhanced.

The invention relates to a femtosecond CARS (coherent anti-stokes Raman scattering) three-dimensional spectral detection system and method for study on molecular superfast dynamics and aims to solve the problems such that the traditional CARS detection system is poor in stability and complex in structure, and the influence of stray light upon signal detection. The system comprises a femtosecond laser, a first time delay unit, a second time delay unit, a third time delay unit, an optical parameter amplifier, a first diaphragm, a second diaphragm, a third diaphragm, a fourth diaphragm, a fifth diaphragm, a first beam splitter, a second beam splitter, a sample pool, a spatial diaphragm, a monochrometer, a photoelectric multiplier tube, a phase-locked amplifier, a first lens, a second lens, a first reflector, a second reflector, a third reflector, a fourth reflector, a fifth reflector, a sixth reflector, a seventh reflector, an eight reflector, a ninth reflector, a tenth reflector, a dichroscope, a computer and an optical chopper. The system and the method are applicable to spectral detection.

The process of making cast steel supported roller is suitable for integral casting of cast steel supported roller of 5-100 ton weight. The present invention has adopts computer simulation, coating iron mold with sand, rotary cavity filling, heat insulating casting head technology, electrically casting head heating technology and sliding roller neck technology; and designs pouring system and casting mold design by means of new design principle and successive solidification principle. Adopting sliding roller neck technology and electrically casting head heating technology can avoid cracking in the cast steel supported roller.

The invention discloses a metal-oxide -semiconductor field effect transistor (MOSFET) capable of effectively reducing source drain contact resistance and a manufacturing method of the MOSFET. The MOSFET capable of effectively reducing the source drain contact resistance and the manufacturing method of the MOSFET comprises substrates, a grid stacking structure at the bottom of the substrate, source-drain zones, grate side walls and metal silicide, wherein the source-drain zones are arranged in the substrates of the two sides of the grid stacking structure, the grating side walls are arranged on the substrates of the two sides of the grid stacking structure, and the metal silicide is placed in the source-drain zones of the two sides of the grating side walls. The MOSFET capable of effectively reducing the source drain contact resistance and the manufacturing method of the MOSFET is characterized in that a fractional condensation zone of doping cation is arranged on an interface of the metal silicide the source-drain zones. According to the MOSFET capable of effectively reducing the source drain contact resistance and the manufacturing method of the MOSFET, due to the fact that the fractional condensation zone of doping cation is arranged on the interface of source-drain contact of the metal silicide and the source-drain zones, schottky potential barrier height can be effectively reduced, the source-drain contact resistance is greatly reduced, and property of components is further improved.

The invention relates to a casting method of a main reducer housing. The casting method includes: a precoated sand core forming process, a smelting ball iron process and a casting process, the precoated sand core forming process includes core-making of precoated sand, coated sand type assembly and sand-type steel shot filling; the smelting ball iron process includes electric-furnace smelting and charging of molten iron and treatment; the casting method is characterized by including casting, unboxing, de-gating, one-step shot blasting, grinding, secondary shot blasting and detecting. With the method, exhaust smoothness is guaranteed, generation of hole defects in the casting is avoided from the sand core exhaust process, sand hole and pore defective reject rate is controlled within 1%, shrinkage or porosity defect is avoided, the casting is stable in size and high in surface smoothness, the yield is higher as compared with that with a traditional casting method of the main reducer housing, the production process is easier to control, and production competitiveness has higher advantages.

The invention discloses butt joint and regulation equipment for solar wings of a moonlet. The equipment comprises a base part, a longitudinal movement part, a transverse movement part, a rotation part and a top layer platform part. Through the movements of the longitudinal movement part, the transverse movement part and the rotation part, the moonlet fixed in the top layer platform part can move in different directions at different angles, thereby realizing the regulation of six degrees of freedom of the body of the moonlet when the solar wings of the moonlet is butt-jointed, solving the problem of regulation for the body of the moonlet when the solar wings of the moonlet are butt-jointed, improving safety coefficient, improving regulation precision, greatly lowering the working intensity of personnel, and improving working efficiency.

The invention relates to a conticaster roller row curve with continuous bending segment and two continuous straightening segments, its character: it is a smoothly linked curve by vertical segment, continuous bending segment, basic arc segment, first continuous straightening segment, transition arc segment, second continuous straightening segment and horizontal segment. The whole roller row is composed of fixed rollers, and its curvature varies continuously. It can effectively avoid or reduce the inner crack of cast ingot and incidental partial separation, and simplifies the devices in continuous bending and straightening segments, and reduces the height of the conticaster.

A sugar cane harvester is composed of a main frame assemblage with a rockerarm and a cane tip cutting unit, a harvesting platform assemblage in the front of said main frame assemblage and with two cane-holding units, a comb-shaped can pushing bar between two cane-holding units, a tooth-shaped cutting unit and a guide plate, and a leaf-stripping assemblage with a pair of horizontal delivering roller.

The invention provides a retaining cap used for acquiring brain signals in photoelectric combined mode and applied to transcranial magnetic stimulation. The retaining cap comprises a flexible net-shaped retaining cap body composed of flexible net belts and capable of covering the scalp, vertically-through penetrating holes are formed in all nodes of the flexible net-shaped retaining cap body respectively, a brain electricity electrode hollow sleeve and a near infrared probe hollow sleeve can be rotationally inserted into the penetrating holes, a brain electricity electrode is placed in the brain electricity electrode hollow sleeve, and a near infrared probe is placed in the brain electricity electrode hollow sleeve. The brain electricity electrode and the near infrared probe are distributed in the flexible net-shaped retaining cap body in the mode that the portions, along the two ends of a flexible net belt on a meridian, of each brain electricity electrode is each provided with one near infrared probe at equal intervals, one of the two near infrared probes at the two ends of each brain electricity electrode is a near infrared probe for emitting infrared rays, and the other of the two near infrared probes is a near infrared probe for receiving the infrared rays. Scalp pulling-out is convenient, the height of the retaining cap is reduced, and the acquisition quality of near infrared signals is improved. The retaining cap can be effectively applied to transcranial magnetic stimulation research.

The invention discloses a cultivation method for improving the photosynthetic efficiency of tobacco, which belongs to the field of crop planting method. The cultivation method comprises specification and arrangement method of ridges of a tobacco cultivation land, and a transplanting method of tobacco plants; and the cultivation method is characterized in that high and low soil ridges are arranged at specified intervals, low ridges are arranged at two sides of each high ridge, and high ridges are arranged at two sides of each low ridge. The transplanting of tobacco plants is as follows: the tobacco plants are planted in a staggering way at two sides of the surface vertical axes of the high and low ridges with equal distance to the axes, the axial distances between the staggeringly planted adjacent tobacco plants are the same, and the tobacco plants are distributed in a wave mode on the surfaces of the high and low ridges which are arranged at intervals. Compared with the traditional cultivation method, the cultivation method disclosed by the invention enables the plant spacing to be increased by 4 to 14 centimeters, the net photosynthetic rate of tobacco growing stage is improved by 5 to 70 percent, the tobacco yield is increased by 10 to 30 percent, the quality of tobacco leaf is remarkably improved, and the harmful component TSNAs of tobacco is reduced by 5 to 30 percent so that the industrial usability of the raw tobacco material can be greatly improved.

The invention relates to a communication iron tower with a wind preventing function. The communication iron tower comprises a tower footing, a first tower body, a second tower body, a lifting mechanism and a reinforcing mechanism. The reinforcing mechanism comprises a rotary shaft, a first motor, a supporting rod and a telescopic assembly arranged in the supporting rod, the telescopic assembly comprises a second motor, a lead screw and a sleeve rod, and the lifting mechanism comprises a plurality of lifting assemblies evenly distributed on the periphery of the first tower body. The lifting assemblies comprise third motors, wire winders, pulleys, pull ropes and guide rods. A tower body of the communication iron tower with the wind preventing function is composed of the first tower body and the second tower body, the reinforcing mechanism is arranged on the first tower body, when strong wind occurs, part of the second tower body can shrink into the first tower body to reduce the overall height of the tower body, meanwhile, the reinforcing mechanism arranged on the first tower body can achieve the function of supporting the first tower body, and the whole tower body is firmer.

The invention discloses a multi-stage absorbing desulfurizing device by adopting an ammonia-ammonium sulfate method. The absorbing desulfurizing device comprises a flue gas desulfurizing absorption tower, an absorption liquid circulating tank, a thin slurry circulating tank and a wet-type electric dust remover, wherein the flue gas desulfurizing absorption tower comprises a concentrated slurry circulating tank, a concentration pre-absorption section, an absorption section, a thin slurry washing section and a defogging section that are arranged in a vertical manner; the concentration pre-absorption section comprises at least a layer of concentrated slurry spraying layer; the absorption section comprises an absorption liquid cyclone defogging liquid collector and at least a layer of absorption liquid spraying layer; the thin slurry washing section comprises a thin slurry cyclone defogging liquid collector and a thin slurry spraying layer; the defogging section comprises a defogger and a defogger washing spraying layer. According to the multi-stage absorbing desulfurizing device by adopting the ammonia-ammonium sulfate method, provided by the invention, flue gas cooling, multi-stage defogging absorption and multi-section oxidization are completed in the desulfurizing absorption tower, the utilization rate of ammonia is increased by regulating the ammonia adding positions, and the problems that the concentration of slurry in multiple sections is controlled unsatisfactorily, and the content of aerosol in flue gas after desulfurization is too high are solved, wherein the problems are caused due to the fact that although the conventional desulfurizing absorption tower is divided into multiple sections, slurry in the multiple sections are carried with gases heavily.

The invention relates to a mobile camera without focusing and coated lens, which comprises a lens cone, a lens-cone cover with a light-passing hole, a lens in the lens cone, and a photosensitive chip and a printed circuit board at the bottom of the lens cone. The invention is characterized in that, a supporting table is provided around the lower part of the inner wall of the lens cone, on the supporting table, an elastic pressure ring is provided; the lens is on the elastic pressure ring; the surface of the optics of the lens is coated with an infrared ray filter film; around the top of the lens cone, a top table is provided; when the inner surface of the lens-cone cover is tightly pressed on the upper surface of the top table, the optics in the lens are pressed tight and fixed at a correct position due to the fitting between the lens-cone cover and the thread on the lens cone as well as the elastic force of the elastic pressure ring. The structural design allows the lens to be directly fixed on a correct position, so as to eliminate the manual focusing procedure as with the production process for prior mobile camera. The infrared ray filter film coated on the surface of the optics in the lens can eliminate infrared ray filter of special-material glass, and reduce the overall height of the mobile camera, simplify structure and reduce cost.

The invention belongs to the field of supporting machines, and provides a display screen base with a damping effect and capable of adjusting the height and the inclination angle of a display screen. According to the specific scheme, the display screen base comprises a base body, wherein the base body comprises, from bottom to top, a seat body, a sliding plate which is installed in a groove of theseat body and can slide, a fixing plate which is fixed on the sliding plate and a support which is connected with the display screen and connected with the fixing plate; and an air bag is arranged between the bottom of the groove of the seat body and the sliding plate, the two ends of the air bag correspondingly communicate with a first hose with an electromagnetic valve and a second hose with anelectromagnetic valve, a transverse hole transversely penetrating is formed in the sliding plate, a first wedge-shaped block, a trapezoid block and a second wedge-shaped block which are sequentially connected through a pressure spring are arranged in the transverse hole, the first wedge-shaped block and the second wedge-shaped block which can slide can not extend out of the transverse hole when the pressure spring is in a free state, limiting blocks in two limiting holes in the top of the sliding plate can connect the first wedge-shaped block or the second wedge-shaped block with the fixing plate, the trapezoidal block can pass through a through hole in the bottom of the sliding plate under the extrusion of the first wedge-shaped block and the second wedge-shaped block.

The invention discloses a method and a device for searching a virtual private network route, belonging to the network communications field. The method comprises searching the undermost leaf node corresponding to a key word in a pre-established index tree; acquiring a block corresponding to the leaf node in the pre-stored IP address area of the virtual private network and corresponding index information, wherein the block comprises one or more consecutive IP address area and corresponding index information; acquiring the IP address area to which the key word belongs in the block; and searching the routing list corresponding to the index information according to the indexing information corresponding to the IP address area. The invention realizes search of VPN route, and improves searching efficiency. The hierarchal searching structure using the index tree and route information can be conveniently realized by adopting FPGA and ASIC with the complexity of designing and implementation, and can flexibly support multiple VPNs .