82results about How to "Strong adaptability" patented technology

The invention discloses a medical image organ recognition method. The method comprises steps: a to-be-processed medical image is acquired, the medical image is segmented into a plurality of two-dimensional images in X-axis, Y-axis and Z-axis directions respectively, and a detection window is set according to the size of a target organ; the detection window is used to carry out traversing detection on the two-dimensional images respectively according to a set detection step length, and detection results in the X-axis, Y-axis and Z-axis directions are acquired; and result fusion is carried out on the detection results, pixel points which are detected to be positive in the X-axis, Y-axis and Z-axis directions are kept, and a target organ boundary is determined. The medical image organ recognition method of the invention can quickly and accurately recognize the target organ area, the target organ boundary is determined and the adaptive ability is strong. In addition, the invention also provides a medical image organ segmentation method.

This invention relates to the shipping automatic control technology field, especially to a flight path automatic helm control system and its method. This system includes five parts: the first part relates to the flight path warp device and the corresponding course angle compensation arrangement; the second part relates to the yawing effect and the corresponding course angle compensation arrangement; the third part relates to the dummy object course device, the course warp device and the course control device; the fourth part relates to the helm angle dictate adjusting device , the ship velocity computing device and the helm operating device; the fifth part relates to the display device and the safe information box device; the method includes: working out the flight path warp value in real time; realizing the result that the shipping device sails along the aim course; giving an alarm information to the display device to alarm.

The invention discloses an aquiculture pond dissolved oxygen control system comprising a data acquisition and transmission layer and a data storage and sharing layer, which communicate with each other in a wireless way. By studying the characteristics of nonlinearity, greater inertia, long time delay and time-variation of dissolved oxygen change in an aquiculture pond and the difficult problem that a larger culture area is hard to control, and according to the invention, an aquatic product pond dissolved oxygen control system based on a wireless sensor network is designed, comprises the data acquisition and transmission layer and the data storage and sharing layer and forms a wireless sensor network monitoring system for detecting, intelligently controlling and managing dissolved oxygen in the culture pond.

The invention belongs to the technical field of ultrasonic detection, and relates to a probe adaptively adjusted thin-wall part on-machine ultrasonic thickness measuring method. In the thickness measuring method, a ball-shaft mechanism is adopted to act as an adaptive adjustment mechanism, and a coupling agent injection mechanism is utilized to provide stable coupling liquid level for ultrasonic thickness measurement; in order to reduce thickness measurement impact and improve the contact stability, a spring is adopted to act as an elastic buffer; a limit switch is adopted to detect the device contact state so as to ensure the thickness measurement process to be safe; and a transit time difference based thickness calculation method is adopted, and the thickness of a current measuring point of a measured workpiece is calculated according to the time difference of ultrasonic echoes of the upper surface of the lower surface of the workpiece and the ultrasonic propagation velocity. According to the method, the angle and the position of a probe can be automatically adjusted according to the local surface shape of the measured workpiece so as to achieve an ideal normal consistent state. The method provided by the invention has the advantages of high adaptive ability, wide angle adjustment range, high measurement accuracy, ability of performing automatic on-machine thickness measurement in real time, high measurement efficiency and good stability.

The invention relates to a data fusion method and a data fusion device for a low-cost integrated navigation system. The data fusion method comprises the main steps of: obtaining a course psiI of a carrier by carrying out strapdown inertial navigation calculation on output data of a microinertia measuring unit in the integrated navigation system; obtaining a course psim of the carrier by carrying out calculation on output data of a magnetoresistive sensor in the integrated navigation system; obtaining a course psiG of the carrier by carrying out calculation on output data of a satellite receiver in the integrated navigation system; and carrying out superposition on the psiI, the psim and the psiG by certain weight according to the set optimum estimated performance index of the course of the carrier, and obtaining an optimum estimation value of the course of the carrier. The embodiment of the invention has the advantages that under the confinement of the optimum performance index with minimum estimated variance, an estimation coefficient can be adjusted automatically according to the dynamic characteristic of the carrier, the optimum course estimation in the moving process of the carrier is given, the self adaptability is stronger, the robustness is good, and the practical application in engineering is convenient.

The invention provides a breeding method of a new breed of high-yield fur sheep. Taihang fur sheep serve as female parents, and Tan sheep and Hu sheep serve as male parents for three-time grading hybridization and backcross; and the breed of the high-quality fur sheep with 'string patterns' is bred according to two-phase and three-phase phenotypic selection methods and the like. In the breeding method, the productivity and the fur quality of the Taihang fur sheep are improved by using the Hu sheep breed and the Tan sheep breed to be in hybridized and combined with the Taihang fur sheep and comprehensively utilizing the characteristics of high reproductive capacity, large wool yield and good fur quality of the Hu sheep and excellent fur patterns, good warming performance, no easy bonding, compact fur board, light weight and burliness of the Tan sheep on the basis of retaining the advantages of strong adaptability, crude feed resistance, strong disease resistance, easy management and the like of original breeds. Furs skinned from the high-yield fur sheep obtained by adopting the breeding method in the invention and killed at the age of about 30 days have excellent patterns such as the string patterns, big soft patterns and the like; moreover, the high-yield fur sheep have high lambing rate which is improved by 40% compared with the Taihang fur sheep.

The invention discloses a hazardous waste rotary type fluidizing cold slag three-stage incinerator, including a rotary kiln, a rotary kiln motor, a cooling fan, a fluidizing cold slag device, a three-burning chamber, an emergent discharge door, a quench tower, wherein the upper end of the fluidizing cold slag device is provided with a three-burning chamber, the top of which is connected with an emergent discharge door, a quench tower, the lower side of the three-burning chamber is connected with the tail of the rotary kiln provided with a cooling fan, and the rotary kiln is provided with a rotary kiln motor. The invention can process the hazardous waste of all forms, can burn the waste of liquid, solid and sludge etc., and has low requirement on the pretreatment. Under the rotation of the fluidizing cold slag device, the slag is further crashed, the slag heat loss ratio after burning is smaller than 3%; the thrice burning chamber further strengthens the burning, which makes the failure rate of the dioxin reach 99.99%, the temperature of the smoke from the three-burning chamber to the quench tower is reduced from 1100 degrees to 200 degrees.

The invention discloses an insulation detection circuit for an electric automobile. The insulation detection circuit comprises a battery and a detection module, a switch module, a multi-way selection switch module, an analog-digital conversion module and a main control module which are sequentially connected with the battery, and the main control module is connected with the switch module and the multi-way selection switch module separately. When the main control module controls the switch module to be in a first working state, first total voltage and first automobile body voltage are obtained by detecting the battery in the first working state, and when the main control module controls the switch module to be in a second working state, second total voltage and second automobile body voltage are obtained by detecting the battery in the second working state; the detection module transmits the first total voltage, the first automobile body voltage, the second total voltage and the second automobile body voltage to the analog-digital conversion module for analog-digital conversion, the data subjected to analog-digital conversion is transmitted to the main control module, and therefore the main control module can determine the insulation intensity of the electric automobile. The invention further discloses an insulation detection method of the electric automobile. According to the insulation detection circuit and method for the electric automobile, the complexity of a hardware circuit is reduced, and the reliability and convenience of insulation detection on the electric automobile are improved.

The invention relates to a raising livestock hair cleaning device, comprising a base, wherein the base is provided with a chute, and the chute is movably mounted with a screw rod. An output shaft of a servo motor is fixed in the end of the screw rod,, which is fitted with a slide; the upper part of the base is fixed with a pressure sensor and the top of the slider is fixed with a U-shaped bracket respectively located on both sides of the pressure sensor; on the one side of the bracket close to the pressure sensor, a distance sensor is fixedly installed. The raising livestock hair cleaning device is possible to detect whether the animal is located on the cleaning device and the distance between the livestock and the cleaning shaft through the distance sensor when the animal is stand on the cleaning device, and through the servo motor driving the screw to move the stent to change the distance between the livestock and the cleaning shaft. The device has high suitability and can be well adapted to different types of livestocks.

A non-isolated symmetric self-coupling 18-pulse rectifier power supply system comprises a phase-shifting autotransformer, three circuits of output devices, a time sequence controller and a power output end. The phase-shifting autotransformer is provided with three groups of output ends and one group of input ends, and the output device in each circuit comprises a zero-sequence suppression reversing inductor, a three-phase uncontrolled rectifier bridge and a bidirectional switch BUCK converter, which are connected to each other in turn. The time sequence controller is provided with three groups of control ends which are respectively connected to the control end of the bidirectional switch BUCK converter in each circuit. The output end of the bidirectional switch buck converter in each circuit is connected to the power output end.

The invention discloses a nano ZnO/SiO2 sol modified self-cleaning silicone-acrylic exterior wall insulating mould coating, which is prepared by the following components by weight percent: 30-50% of fluorine modified silicone-acrylic emulsion, 6-10% of a infrared reflection nanomaterial, 3-5% of nano ZnO sol, 3-5% of nano SiO2 sol, 1-3% of a molecular bridge modifying material, 8-15% of hollow ceramic micro-spheres, 8-13% of titanium white, other conventional auxiliary materials with a conventional dosage and the balance of deionized water. The coating in the invention has room temperature infrared emission and sunshine heat reflection functions, can reflect at least 54% of full-spectrum energy in sunshine radiation, converts at least 58% of absorbed sunshine energy into infrared rays which are radiated into air by the mode of an atmospheric window waveband, and reduces indoor heat energy transmitted by the inner surface of a wall body. The coating of the invention also is an exterior wall coating with a lyophobic-oleophobic double lotus effect self-cleaning function, and has high weather ability.

The invention relates to the field of coal preparation and waste discharge, in particular to an intelligent dry waste discharge system based on true dual energy X-rays. The intelligent dry waste discharge system includes a feeding mechanism, a conveying mechanism, a recognition mechanism and a sorting mechanism. The feeding mechanism is composed of a feeding funnel and a spray desliming device, the outer part of the feeding funnel is in an inverted cone shape, and the inner part of the feeding funnel is laid with wear-resistant porcelain plates which can reduce the abrasion of funnel wall surfaces; the spray desliming device is composed of spray pipes and a high-frequency sifter; the conveying mechanism is composed of an electronic belt scale which can monitor the feeding quantity in realtime, an electromagnetic iron remover which can reduce the contamination of sundries, a belt cleaner which can clean fine materials, and a lining-up device capable of forming a plurality of regular coal flows; the recognition mechanism is composed of an X-ray generator generating the X-rays with different intensity, a detector receiving the X-rays, an imaging upper computer, a BP neural network, and a lead isolation room; and the sorting mechanism is composed of a positioning device, a manipulator, and a PLC control cabinet. According to the intelligent dry waste discharge system based on thetrue dual energy X-rays, adaptability to coal is strong, intelligent recognition is realized, therecognition accuracy is high, and at the same time, coal-dust pollution is reduced.

The invention relates to a breeding method for clove grafting, which mainly comprises the following steps: taking wild shrub Shanceli as rootstock and pure clove branches as scions for grafting; taking and scissoring the pure clove branch with the length of 3-5 cm; whittling a scion whittling surface with the length of 3-4.5 cm and the depth to a pith heart center on one side at the lower end of the branch; whittling an inclined surface with the length of about 1 cm on the other side at the lower end of the branch; then taking the wild Shanceli as rootstock, cutting a cutting surface with the length of 3-5 cm and the depth to xylem on the rootstock, and cutting a rootstock cut corresponding to the scion inclined surface at the lower end of the cutting surface of the rootstock; tightly bundling the rootstock and the branch by using a binding band used for grafting correspondingly, and breeding and managing the rootstock and the branch. The breeding method has high survival rate and fast growth, and the grafted clove has strong adaptability to climate and soil, strong vitality and disease-resistant capability, increased flower buds and prolonged blooming period.

The invention discloses an edge detection-based wall body crack identification method. The method comprises the steps of 1, acquiring a wall body image; 2, preprocessing the image; 3, extracting a crack edge; 4, filtering background noises; and 5, identifying a wall body crack. The technical problems of poor disturbance term adaptability caused by difficult dirt removal and the like due to adoption of a simple set grayscale threshold for performing binarization, or large calculation amount, poor real-time property and the like due to application of complex algorithms such as a neural network algorithm and the like in a substation wall body crack detection method in the prior art are solved.

According to a three-dimensional space bistatic/multistatic radar high-speed target detection method disclosed by the invention, the problems of high-speed target detection and motion parameter estimation in the three-dimensional space are solved. The method comprises the following steps: acquiring a radar echo signal; acquiring a radar baseband signal; acquiring a frequency domain pulse pressuresignal; correcting the range migration of the target echo signal by adopting generalized second-order Keystone transformation; obtaining data of a distance unit where the target is located; correctingDoppler frequency migration of the target echo signal by adopting a product type three-order phase function; and carrying out azimuth accumulation on the signals and estimating motion parameters. According to the invention, range walk, range bending, Doppler migration time primary term and time secondary term are corrected at the same time; according to the geometric space characteristics of thebistatic radar and the target, various parameters of the target are well estimated, the parameter estimation precision is higher, the probability of successfully distinguishing the target is higher, the cost is lower, the application range is wider, and the method is used for high-speed high-maneuverability target detection and motion parameter estimation in a three-dimensional space.

A two-dimensional space guiding and positioning method based on laser range finding is disclosed. A main device is a laser range finding unit installed on a moving platform and comprises four laser displacement sensors used for measuring the distance of the moving platform and a positioning seat. The positioning method comprises: constantly calculating required rotation angles and yaw directions by the moving platform through continuously obtaining the actual measurement values of the laser displacement sensors; according to a calculated result, moving to a target position; and realizing the accurate positioning of the moving platform in the positioning seat. The method has advantages that 1) a laser range finding sensor is used as a positioning measuring device, positioning accuracy is high, usage adaptability is good and cost is low; 2) the combination mode of coarse adjustment and fine adjustment is adopted in a positioning process, and the rapidity of positioning and the accuracy of positioning can be ensured; and 3) a suitable object range is wide, and the function of precise positioning is provided for the automatic transfer transportation of large parts in aviation and automobile fields.

The invention belongs to the technical field of environmental protection for flue gas purification and resource utilization and particularly relates to a coke oven flue gas desulfurization, dust removal and denitrification integrated system. The system has a wide application range, high safety and reliability, strong feasibility, high desulfurization and denitrification efficiency, low ammonia slip rate, no waste liquid emission, a high heat utilization rate and low operating cost. The desulfurization, dust removal and denitrification integrated system realizes integration of a bag dedusting technology and a selective catalytic reduction denitrification technology. The desulfurized flue gas enters the dust removal and denitrification integrated system, is subjected to bag dedusting and then is fully mixed with ammonia fed through an ammonia injection device, and the mixed flue gas enters a denitrification catalyst layer and undergoes a denitrification reaction under the action of the denitrification catalyst so that NOX is removed. The system is widely used in the technical field of coke oven flue gas desulfurization and denitrification.

The invention belongs to the technical field of woodworking planing tool processing, and particularly relates to a rapid assembling and disassembling universal clamp for right angle surface planning processing. The universal clamp comprises a bottom plate and a base plate arranged on a working platform, wherein the bottom plate is provided with a driving device, and the base plate is provided with a positioning device; the universal clamp also comprises a clamping device arranged between the driving device and the positioning device, the driving device comprises air cylinders, the air cylinders are fixed on the bottom plate, the driven ends of the air cylinders are fixedly connected with wedge blocks, and the wedge blocks are connected with guiding grooves fixedly formed in the bottom plate in a sliding manner; the clamping device comprises a pressing plate, the middle of the pressing plate is connected with the working platform in an elastic manner, and the driving end of the pressing plate is connected with the bottom plate in the elastic manner; the positioning device comprises a variable positioning plate fixedly connected with the base plate. According to the technical scheme, the planing processing rapid assembling and disassembling universal clamp for the right angle surface planning processing, provided by the invention, has the characteristics that the suitability is strong, the operation is easy, and the production efficiency is high.

The invention relates to a rolling device for low-temperature modified asphalt concrete construction and effectively solves problems that an existing rolling device is non-adjustable in rolling rangeand poor in adaptability, and asphalt concrete is extremely prone to adhering to rollers. The rolling device is characterized in that a roller rotating device is adopted, a rolling range is adjustable, switching between a single-row wheel mode and a double-row wheel mode is performed according to actual conditions, adaptability is strong, a rack switching device is adopted so that switching between the single-row wheel mode and the double-row wheel mode is more convenient and faster, a reciprocating water spraying device is adopted so that a rolling device can spray the water to the rolling wheels while walking, the rolling wheels are cooled, and asphalt concrete is prevented from adhering to the rolling wheels. The rolling device is easy to operate, high in adaptability and adjustable inrolling range, and construction efficiency can be effectively improved.

The invention discloses an unmanned aerial vehicle-mounted remotely-controlled VOCs air bag sampling device. The device mainly comprises a protection carrying box and a connecting frame part. The protection carrying box comprises a remote sampling control module, a TVOC detection module, a negative pressure VOCs air bag sampling box, a rotatable telescopic sampling pipeline and a vacuum pump. Theremote sampling control module is used for controlling the on-off and flow of the vacuum pump and the direction and length of the rotatable telescopic pipeline; the TVOC detection module part is usedfor detecting the TVOC concentration of the environment to be detected where the sampling head is located in real time; a clean sampling air bag is arranged in the negative-pressure VOCs air bag sampling box; the rotatable telescopic sampling pipeline is adjusted to adapt to different field conditions of flue gas and a discharge port during sampling; and the connecting frame part is used for stably and conveniently hanging the sampling equipment on the unmanned aerial vehicle. The device is high in controllability, the VOCs sampling cost is greatly reduced, VOCs samples and component spectrumsare more comprehensive and accurate in time and space, and a solution is provided for a large number of existing problems in VOCs sampling.

The invention relates to a wind power piezoelectric electric generator. The wind power piezoelectric electric generator comprises a shell, a sealed space located in the shell, a driving shaft which isvertically arranged at the upper end of the shell and extends into the sealed space, blades arranged on the driving shaft, a driven shaft which is horizontally arranged in the sealed space and fixedthrough a bracket, a driving bevel gear and a driven bevel gear which connect the driving shaft with the driven shaft, fixed rods which are vertically fixed to the bottom of the sealed space, moving rods which are arranged on the fixed rods in a sleeving mode, a reciprocating mechanism arranged on the driven shaft for driving the moving rods to move vertically, an upper supporting ring arranged atthe upper ends of the moving rods, a lower supporting ring arranged at the lower ends of the fixed rods and a plurality of piezoelectric patches with two ends arranged on the upper supporting ring and the lower supporting ring correspondingly. According to the wind power piezoelectric electric generator, under the action of wind power, the blades can drive the reciprocating mechanism to drive themoving rods to move vertically, the piezoelectric patches are subjected to deformation, electric energy is excited, and the wind power piezoelectric electric generator has the advantages that the structure is simple, the size is small, the manufacturing is easy, the starting torque is low, the service life is long, and miniaturization is convenient.

The invention discloses calculation method development for marking-off in the process of processing plate parts, which comprises the following steps of: (a) analyzing by using a draft, and determining a position relation among geometrical elements according to a drawing; (b) establishing a form coordinate system; (c) establishing a development coordinate system; (d) listing a development calculation formula; (e) calculating parameter values according to the calculation formula in the step (d); and (f) drawing a development drawing according to the parameter values calculated in the step (e). The calculation method development for marking-off in the process of processing plate parts has the advantages that: the regularity is high; the complicated middle drawing operation is avoided, the dependence on field, equipment and the like is reduced, and the development drawing can be drawn without gauge by rarely using a ruler, so the labor intensity of an operator is reduced; the calculation formula has universality; and the calculation method development has high adaptability, precision, feasibility and practicability.

This invention relates to a plane button package base plate of an IC or a discrete device and its processing method characterizing that base islands and pins are distributed on the front of the base plate in buttons connected by metal thin layers, the base island is the one composed of multiple buttons, the pin is single, the fronts of the islands and the pins have metal layers, the number of the islands is one or many in the package unit of a single IC or discrete device formed in the post package, namely, single unit island or multiple unit base islands composed of multiple buttons, the pins are arrayed at one side, both sides or three sides or surrounding the base islands.

The invention relates to a terrain self-adaptive detection and rescue walking platform mainly comprising a power output part and an electronic control part, wherein the front end of the power output part drives front wheels to turn through a motor, and the rear end drives rear wheels through another motor; the electronic control part in the middle is realized through the relative connection of a spherical cavity structure and two magnet structures so as to ensure that the equipment can still run according to a preset trail after turning. The invention has the advantages of compact structure and strong operability, and is particularly suitable for providing the rescue walking mechanism for robots in the rescue occasions such as earthquake rescue, mine disaster rescue, and the like.

The invention discloses application of nano-grade water-based narrow molecular-weight distributed acrylic copolyester, which is used for preparing pure water-based oil ink. The pure water-based acrylic copolyester is synthesized from the following raw materials: basic monomer including methyl methacrylate, methacrylic acid and butyl acrylate, wherein the basic monomer is polymerized in a pure water system under the effect of an emulsifier and an initiator to form acrylic copolyester which has the D50 grain size of 40-65nm and the polydispersity index PDI (Mw/Mn) of less than 1.05. The invention further provides a pure water-based oil ink. According to the pure water-based oil ink, the system viscosity can be reduced without adding an organic solvent, so that independence on VOC-containingsubstances can be eliminated, and human body health is guaranteed. The acrylic copolyester has high drying speed, does not need to add organic drier to greatly reduce VOC emission, has strong adhesionand excellent water resistance without after-tack phenomenon, and has excellent color revealing, excellent strain force and excellent boiling resistance.

The invention belongs to the field of digital image processing, and relates to a rapid fog and haze image sharpening method, so as to solve problems that conventional imaging equipment is low in color saturation of images, is not bright in color and is fuzzy in detail information. The method can improve the detail information of the image and a subjective visual perception effect. The method employs an atmosphere light scattering model according with the natural imaging law, and the recovery effect accords with the characteristics of human vision. The method employs the adaptive average filtering and a method for adaptively solving a brightness repair factor and atmospheric radiation intensity, and can adapt to various of different occasions. The method is suitable for a color image or a gray scale image, is suitable for an optical image or other images, and is universal. The method comprises the steps: calculating a minimum color component image, and carrying out the approximate evaluation of the far and near scenery fog concentrations; solving and further repairing the global atmosphere light intensity and a global atmosphere light curtain; recovering a fog image and carrying out the subsequent brightness and color adaptive improvement of the recovered image.

The invention relates to the technical field of image processing, and provides an image distortion rectifying method and system. The image distortion rectifying method includes the steps: S1, distorting an original picture of a reference picture to obtain a distorted picture of the reference picture; S2, acquiring the position of each discrete point in the original picture and the position of each discrete point in the distorted picture; S3, subtracting the position of each discrete point in the original picture from the position of each discrete point in the distorted picture to obtain displacement vectors of the discrete points; S4, calculating a displacement vector field of a whole image of the reference picture by an interpolation method; S5, rectifying image distortion of the image needing to be rectified according to the displacement vector field. N discrete points are calibrated in the reference picture, and N is a natural number larger than or equal to 1. The image distortion rectifying method and system is simple in mode, high in adaptivity and fine in rectifying effect.

The invention provides an underground filling cementing material for a metal mine. The underground filling cementing material is prepared from the following components in parts by weight: 70 to 80 parts of granulated blast furnace slag micro powder, 3.75 to 10 parts of cement clinker, 3.75 to 7.5 parts of quick lime, 10 to 20 parts of desulfurized gypsum, 1.25 to 2.5 parts of sodium carbonate and 1.25 to 2.5 parts of sodium sulfate. Polar molecules or ions generated after sodium carbonate, sodium sulfate and lime are dissolved in water are utilized to destroy structures such as silica tetrahedrons and alumina tetrahedrons of the slag, so that the slag is dispersed in a solvent, and then the slag generates gelling property under the co-excitation action of the lime, cement clinker and gypsum. The gelling agent can be well compatible with blast furnace slag powder and other materials in most regions of the country, and is convenient to use and high in capability of adjusting measures to local conditions. The invention further provides a preparation method and application of the metal mine underground filling cementing material.

The invention discloses an automatic decoking combustion chamber for combusting biomass fuel, and belongs to the technical field of combustion equipment. The automatic decoking combustion chamber for combusting the biomass fuel comprises movable grate plates arranged in a furnace and fixed grate plates fixed in the furnace, the movable grate plates move front and back and are in friction fit with the fixed grate plates, the fixed grate plates and the movable grate plates are alternately arranged in a stair-step mode and sequentially descend from a furnace mouth of the furnace to the back portion of the furnace, and all the movable grate plates act synchronously; each furnace grate plate comprises a groove-shaped metal cover plate, plate legs of the metal cover plate are in friction fit with the plate surface of the furnace grate plate below the metal cover plate, the plate surface of the furnace grate plate is provided with multiple air holes, and the lower surface of the furnace grate plate is provided with an air supply system which supplies air to the furnace through the air holes; the automatic decoking combustion chamber for combusting the biomass fuel is further provided with a hopper, a material pushing plate and an igniter. According to the automatic decoking combustion chamber for combusting the biomass fuel, the market vacancy is filled, the problem that sticky jelly-like matter generated in the combustion process of the biomass fuel blocks the air holes of the furnace grate plates is effectively solved, decoking is automatically performed, materials are distributed evenly, and full combustion is guaranteed; the automatic decoking combustion chamber is simple in structure and convenient and fast to operate.

The invention discloses a method and a device for acquiring a cover image, and relates to the technical field of graphic interface processing. It solves technical problems such as poor adaptability and non-compliance with cover requirements caused by only using unproduced pictures as program covers in the prior art. Wherein, the method includes: receiving the candidate picture uploaded by the user for making the cover of the program; according to the outline operation of the user on the candidate picture, connecting the corresponding operation positions; The connecting line is the outer contour, and contour cutting is performed on the candidate picture; the picture obtained after cutting is used as the cover picture of the program.