45results about How to "Composite function" patented technology

The invention relates to a gradient distribution multivariate composite material precursor as well as a preparation method of the gradient distribution multivariate composite material precursor and an application in preparation of a lithium ion battery anode material. The precursor is prepared from the following molecular formula: NixCoyMnzM1-x-y-z(OH)2, wherein x is more than 0.2 and less than 0.8, y is more than 0.1 and less than 0.5, z is more than 0 and less than 0.6, and M is a doped metal ion and comprises one or more of Mg, Ca, Zn, Al, Cr, Zr and Ti; the precursor comprises a core part and an outer layer shell part in which multiple layers are sequentially covered in the core; a molecular formula composition of the core part is NikConMnmM1-k-n-m(OH)2, wherein k is more than 0.5 and less than 1, n is more than 0.05 and less than 0.5, and m is more than 0 and less than 0.6; and the outer layer shell part is used for controlling the proportion of the raw material components and a preparation process to ensure that the material composition of the outer layer shell part is distributed in a gradient mode. Compared with a ternary material with a uniform internal structure, the lithium ion battery anode material has the advantages that the high specific discharge capacity is developed; and meanwhile, the cycling stability, the high-temperature cycling stability and the rate capability of the materials also can be greatly improved.

The invention relates to a preparation method for a lithium-ion-battery gradient cathode-material precursor, and belongs to the technical field of preparation of lithium ion batteries cathode materials. The concrete steps of the method comprise; preparing a solution A and a solution B with different molar ratios from a nickel salt, a cobalt salt and a manganese salt, and controlling the volume of the solution A and the solution B to be same; employing a metering pump to gradually adding the solution A into the solution B, then adding the uniformly-mixed solution into a reaction kettle, and also adding an alkali solution and a complexing agent solution into the reaction kettle, and stabilizing synthesis technology parameters during reaction, stopping reaction once the solution A and the solution B are completely consumed, finally centrifuging, washing and drying, so as to prepare the spherical cathode material precursor with different-concentration gradient-distributed elements. The disclosed preparation method helps to improve the processing performance and the tap density of the cathode material, and overcome the disadvantages about capacity and stability of the material, and by controlling the morphology and the particle size of the cathode material, the physicochemical performances of the cathode material are controlled and the material stability is improved.

The invention discloses a preparation method for a polymer material with a continuously-alternating layer structure. The preparation method comprises the following steps of step 1, premixing 30-70 parts of first resin or a first resin compound and 70-30 parts of second resin or a second resin compound, adding the premix in a double-screw extruder, performing melt blending and extrusion at a temperature of 100-300 DEG C, cooling, and slicing to obtain blend grains; and step 2, performing high-speed thin-wall injection forming on the obtained blend grains at an injection temperature of 100-300 DEG C and an injection speed of 50-1200 mm / s, so as to obtain the polymer material with a continuously-alternating layer structure. The preparation method disclosed by the invention is simple in the whole operation process, low in production cost, suitable for large-scale industrialized production, capable of regulating and controlling the thickness of the continuously-alternating layer structure by adjusting the component proportioning ratio of the blend, and suitable for various blend systems.

The invention discloses a method for performing powder material surface modification through plasma. According to powder material surface modification, under a vacuum environment condition, one or more plasma technologies are used for combination to deposit one or more different characteristic materials on the surfaces of powder materials in different types. Meanwhile, one ore more gases can be selected for combination for micro-etching on the surface of powder in different materials according to the plasma appearance. Powder manufactured and processed through the technology is a novel modified powder material with one or more functional characteristics. The modified powder is changed into a single-metal or multiple-metal combined surface from a non-metal surface, vice versa, the metal surface can be modified into a non-metal ceramic surface. Meanwhile, the smooth powder surface can be subjected to micro roughening.

The invention discloses a composite efficient double-end-face chamfering machine of internal and external teeth of polar coordinates. The composite efficient double-end-face chamfering machine is characterized by comprising a gantry frame, a Y-axis servo motor (3), a Y-axis ball screw (4), a Y-axis linear rail (5), a radial positioning slide platform (6), a workpiece (7), a horizontal rectangular bench (9), an X-axis supporting linear rail (10), and an X-axis drive cylinder (11). Polar coordinate composite chamfering movement is realized by utilizing the principle of mechanical profiling. Workpiece rotations are guiding movements, a profiling contact is driven to move radially, beat of the chamfering process is controlled by the guiding movements, and chamfering actions are simple and low in failure rate. Corresponding axial positions of a cutter and the workpiece are adjusted accurately by the servo motor, various chamfering depths can be realized conveniently, different chamfering angles can be realized by changing cutters with different front-end tapers, operation is facilitated and flexible, and controllability is good.

The invention relates to a preparation method of a gradient precursor of a cathode material for lithium ion batteries, belonging to the technical field of preparation of the cathode material for the lithium ion batteries. The gradient precursor has a chemical formula of NixCoyMn1-x-y(OH)2 or NixCoyAl1-x-y(OH)2, wherein the content of Ni is more than 0.4 and less than 0.98, the content of Co is more than 0.1 and less than 0.8, and the content of Mn / Al is more than 0.01 and less than 0.7; the metallic elements are enabled to react according to an increasing proportion or a decreasing proportion,and a spherical gradient material is obtained by crystallizing. The gradient precursor of the cathode material for the lithium ion batteries is high in ramming density, good in degree of sphericility, uniform in particle size distribution, and the like, and can avoid the defects caused by the fact that the elements provide different properties.

The invention relates to a microencapsulated powder composition containing odorous oils and a preparation technology thereof, and relates to the fields of foods, medicines and health products. Specifically, the microencapsulated powder composition containing odorous oils comprises 10-100 parts by weight of odorous oils, as well as 80-1000 parts by weight of a capsule wall material, and 10-100 parts by weight of an oil-phase flavoring agent. The microencapsulated powder composition containing odorous oils has the advantages of good water solubility, high human body absorption rate, excellent taste, diversified ways of eating and so on.

The present invention relates to a microcapsule powder composition containing odor-free oil and a preparation technology thereof, and relates to the fields of food, medicines and health-care products.The composition contains 10-100 parts by weight of an oil phase free of a special odor, 10-180 parts by weight of fat-soluble nutrients, 80-1,000 parts by weight of capsule materials, and 10-100 parts by weight of an oil-phase flavoring agent. The microcapsule powder composition has many advantages of good water solubility, high human body absorption rate, good mouthfeel, various taking ways, etc.

The invention relates to a solid desulfurizer and a production method thereof, in particular to a composite calcium-based solid desulfurizer which is prepared from industrial waste residues and the production method thereof. The desulfurizer is prepared by the following steps of: directly mixing carbide slag slurry, dicyandiamide slag serving as a modifier, a chemical drying agent and magnesium slag powder which serves as another modifier; stirring and mixing; performing wet milling to prepare slurry; performing dry milling to prepare powder; and sieving. The prepared composite calcium-based solid desulfurizer is mainly compounded by calcium hydroxide or calcium hydroxide and calcium carbonate, wherein the desulfurizer contains an active magnesium oxide component, integrates the characteristics of a single calcium base or a magnesium-based desulfurizer and has composite effects. Moreover, the desulfurizer has the characteristics of saving a large amount of energy, protecting environment and reducing the cost of a flue gas desulfurizer, along with cheap and wide raw material resource, large amount of doped magnesium slag, carbide slag and dicyandiamide slag, no heat source, high dehydration speed, stable physical performance and the like; in addition, the desulfurizer has the advantages of small equipment investment, low operation cost, capability of eliminating the damage of limestone exploitation to the environment and the like.

A drilling and grouting tool which integrates the drilling and the grouting has a drive drill rod, a short drill rod (1) and a connector (2), wherein the upper end of the short drill rod is connected with the drive drill rod and a driller, and the lower end is connected with a guide tube (3) through the connector, the lower end of the guide tube is connected with a full-face drill head (4), and a swing-up type aperture sealer is connected on an aperture tube on the ground. The drilling and grouting technology comprises the steps that firstly tripped into the drilling and grouting tool, driving the drilling head to crack rocks with the axial pressure and the radial torque force of the driller through the drive drill rod, the short drill rod and the guide tube, moving the drilling and grouting tool a certain distance from the bottom of the hole, cleaning the drill hole with pure water which has certain pressure and is provided by a water pump, and finally moving the drilling and grouting tool a certain distance from the bottom of the hole, connecting the swing-up type aperture sealer with the aperture tube, then rotating with a gland (5), compressing and expanding with a sealing ring (8) to contact with a grouting tube, namely the drive drill rod, thereby realizing the enclosure of the aperture. Slurry can be grouted into the grouting sections according to the different grouting designs, and the circulating slurry in the aperture can be returned from a recycle slurry pipe (7).

The invention relates to biodegradable mulch with a compound function, which takes the biodegradable mulch as a carrier. A functional preparation is sprayed on one surface of the mulch so as to form the functional biodegradable mulch; and the biodegradable mulch comprises the following components based on weight percentage: 33-68% of master batches, 30-65% of 7042 and 5-7% of 1F7B, and the functional preparation is insecticide or herbicide or nutrient solution. The biodegradable mulch has the positive effects as follows: the surface of the biodegradable mulch can be directly compounded with an oily, milky and / or humid powder functional preparation; the mulch can effectively and slowly release the insecticide, the herbicide and the nutrient solution so as to achieve better effects in killing insects, weeding and providing nutrition for crops; the mulch can adapt to different climate and soil environments, and meet the requirements of heat preservation and soil moisture conservation of different crops; after completing functional actions, the mulch can be automatically degraded without pollution; and the mulch has the advantages of convenient use and lower cost, thus obviously improving the agricultural production efficiency.

The invention discloses a plant configuration method for constructing near-natural communities of surface mines and industrial abandoned sites. The method mainly comprises the following steps of: a, investigating of site conditions of a recovery area, namely investigating of natural conditions and site conditions of the recovery area; b, vegetation investigation and target plant screening; c, configuring of a target community; and d, planting mode / spray seeding. The method mainly solves the problems of high maintenance cost, single species configuration, poor landscape coordination, long natural succession period, easy vegetation degradation and the like in the existing ecological restoration engineering of surface mines and industrial waste sites, and the plant community constructed by the method has the advantages of strong adaptabilityand rapid growth on the species level, perfect structure and continuous succession on the community level, rich species and integrated functions on the ecological system level, and coordinated structure and continuous layout on the landscape level. The purpose of quickly and efficiently constructing stable near-natural plant communities on surfacemines and industrial abandoned sites can be achieved.

The invention discloses a dual-frequency polarization adjustable multi-beam radio frequency assembly, and belongs to the technical field of phased-array antennas. The system comprises a plurality of basic radio frequency module units and 2k beam forming networks, each basic radio frequency module unit comprises two input branches and two output branches, the input branch comprises a first low-noise amplifier, a multiple-input multiple-output filter bank switch matrix and 2k second low-noise amplifiers, the output branch comprises k polarization matching chips, a multiple-input multiple-outputfilter bank switch matrix and k rear-end branches, and each rear-end branch comprises an amplitude-phase control chip and a low-noise amplifier; each input branch is provided with an input port, and each rear-end branch is provided with an output port. The invention is suitable for phased array antennas or sub-array level digital arrays in the field of satellite communication, and is particularlysuitable for the purpose of realizing multi-satellite communication by a pair of antennas.

The invention provides lycium-ruthenicum, kiwi and grape composite fruit wine and a preparing method. The lycium-ruthenicum, kiwi and grape composite fruit wine has the composite function of kiwis andgrapes, fructus lycii is introduced for fermentation, and the prepared composite fruit wine is high in functionality and suitable for most crowds to drink. Compared with the prior art, the preparingmethod of the lycium-ruthenicum, kiwi and grape composite fruit wine is characterized by including the steps that kiwis are sliced up, the kiwis after slicing up, grape pulp liquid (grape pips and grape skins are smashed together) and lycium-ruthenicum grains are transferred to a fermentation barrel together in proportion, pectinase is added, and standing is carried out at the temperature of 18 DEG C to 27 DEG C; wine-making dry yeast is added, and temperature-control fermentation is carried out; fermentation is completed, clarification is carried out, and the composite fruit wine is obtained.According to the lycium-ruthenicum, kiwi and grape composite fruit wine and the preparing method, the lycium uthenicum, the kiwis and the grapes are compositely fermented, and the lycium-ruthenicum,kiwi and grape composite fruit wine is obtained; particularly, the grapes are subjected to complete wall-breaking treatment, and inhibiting sensitization factors in grape pips and resveratrol in the grape skins are released.

A human telomerase reverse-transcriptase (hTERT) / human interleukin 18 (hIL 18) fusion protein with composite function is prepared from 2 cell factors with similar or complementary functions through artificial reforming of their linking terminals and configuring. The expression of its carrier is created for increasing its target killing power to tumor cells and the dendritic cell mediated immune-effect. It can be used to prepare the dendritic cell vaccine for treating cancer.

The invention provides an anti-haze throat-cleaning and lung-moistening candy and belongs to the technical field of foods. The anti-haze throat-cleaning and lung-moistening candy is prepared from the following medicinal and edible raw materials in parts by weight: 1-5 parts of agaric, 0.5-5 parts of momordica grosvenori, 5-15 parts of olives, 1-8 parts of liquorice and the balance of auxiliary materials. The anti-haze throat-cleaning and lung-moistening candy provided by the invention has the advantages and positive effects that as the anti-haze throat-cleaning and lung-moistening candy with the throat-cleaning and lung-moistening functions is prepared from the medicinal and edible raw materials, the throat-cleaning and lung-moistening product either maintains the functions and flavors of the raw materials or has a compound function and expands the indications; the functional food which is prepared from the medicinal and edible raw materials and is better than the food added with drugs is a novel appeal in the market and also expected by mass consumers for many years.

The present invention discloses a one-to-one friend-making method based on a mobile terminal, and the method comprises: first registering a friend-making account; completing the personal data of the account; editing 3 to 10 questions that the account wants to know; answering 20 three-view questions; and then pushing accounts associated with the friend-making account entering the homepage; according to the personal profiles, hobbies and the three-view questionnaires, showing the matching degrees; selecting by the friend-making account an associated account and answering the questions of the associated account; if the associated account answers the questions of the friend-making account after it receives the answers, sending the answers to the friend-making account; if the received answers are satisfactory to the friend-making account, then determining the matching as a successful one; and otherwise, determining the matching as a failure. Compared with the existing method adopted in the friend-making software, the method for making friends of the present invention is simpler and more direct, and can quickly and comprehensively understand the befriending objects; therefore, the probability of successfully making friends is high and the way of making friends is safer and more reliable, making the method popular with a large number of people. The method is also comprehensive and greatly practical in use.

The invention discloses a cell factor fusing protein of human terminal-enzyme reverse transcriptase (hTERT) / human leucocyte 18(hIL18), which is characterized by the following: targeting tumour cell to kill; improving immune effect for dendritic cell; expanding tumour-proof scale; reducing medical cost obviously; providing the base of treating vaccine for tumour.

The invention discloses Rhodopseudomonas palustris P-3. The preservation number of the Rhodopseudomonas palustris P-3 is CCTCC (China Center For Type Culture Collection) NO: M 2020808. According to the strain, photosynthetic bacteria are separated and purified by adopting a double-layer plate coating method and a streaking method, vibrio parahaemolyticus, vibrio vulnificus and vibrio anguillarum are used as indicator bacteria, and the bacteriostatic action of the marine photosynthetic bacteria strain is determined by adopting an oxford cup method. Naphthalene ethylenediamine hydrochloride spectrophotometry and indophenol blue spectrophotometry are adopted to determine the nitrite nitrogen and ammonia nitrogen degradation effects of different strains, and screening is performed to obtain the product. The strain P-3 has the composite functions of resisting vibrio and efficiently degrading nitrite nitrogen and ammonia nitrogen, has a strong inhibition effect on vibrio anguillarum, has thestrongest effect on vibrio anguillarum, and also has a certain nitrite nitrogen and ammonia nitrogen degradation effect. The strain P-3 is cultured in a culture medium containing 50mg / L ammonia nitrogen and nitrite nitrogen for 4 days, the degradation rates are 89.68% and 94.98% respectively, and the strain P-3 has a wide application prospect.

The invention relates to a civil multifunctional intelligent safety bin, and belongs to the technical field of security protection. The civil multifunctional intelligent safety bin comprises a closedbin body formed by welded structural steel; a bin door and a window are arranged on the side wall of the bin body; escape openings are formed in the upper and lower walls of the bin body correspondingly; fireproof layers and waterproof layers are glued to the bin body, the bin door, the window and the escape openings correspondingly; rubber sealing strips are arranged on borders of the bin door, the window and the escape openings correspondingly; and the window comprises an opening and closing protective unit cover plate connected with the outer wall of the bin body, and a bulletproof glass observation window fixed to the inner side of the bin body in a sealed mode. The civil multifunctional intelligent safety bin has good comprehensive protection performance of bullet prevention, explosion prevention, fire prevention, water prevention, cutting prevention and the like in multiple harsh environments.

The invention relates to a gradient distribution multivariate composite material precursor as well as a preparation method of the gradient distribution multivariate composite material precursor and an application in preparation of a lithium ion battery anode material. The precursor is prepared from the following molecular formula: NixCoyMnzM1-x-y-z(OH)2, wherein x is more than 0.2 and less than 0.8, y is more than 0.1 and less than 0.5, z is more than 0 and less than 0.6, and M is a doped metal ion and comprises one or more of Mg, Ca, Zn, Al, Cr, Zr and Ti; the precursor comprises a core part and an outer layer shell part in which multiple layers are sequentially covered in the core; a molecular formula composition of the core part is NikConMnmM1-k-n-m(OH)2, wherein k is more than 0.5 and less than 1, n is more than 0.05 and less than 0.5, and m is more than 0 and less than 0.6; and the outer layer shell part is used for controlling the proportion of the raw material components and a preparation process to ensure that the material composition of the outer layer shell part is distributed in a gradient mode. Compared with a ternary material with a uniform internal structure, the lithium ion battery anode material has the advantages that the high specific discharge capacity is developed; and meanwhile, the cycling stability, the high-temperature cycling stability and the rate capability of the materials also can be greatly improved.

The invention relates to a seeder with a flexible soil covering mechanism. A rotary cultivator is arranged at a position, close to a fertilizing furrow opener, so that the end part of a rotary tillagebending knife of the rotary cultivator is contacted with the right front part of the lower part of the furrow opener; the rotating shaft of the rotary cultivator is additionally provided with a plurality of side block cleaning straight knives, the rotating radius of the outermost end of the straight knives is larger than the rotating radius of the outermost end of the rotary tillage bending knife, and the side block cleaning straight knife is close to one side of the fertilizing furrow opener; the flexible soil covering mechanism comprises a supporting structure, the supporting structure supports a vertically arranged upright rod, the middle part of the upright rod is fixedly provided with a chain wheel, and the chain wheel drives the upright rod to rotate together; the lower part of theupright rod is fixedly connected with the center of a disc, a plurality of connecting rings are fixedly arranged around the disc, each connecting ring is connected with a rubber long belt, the head part of the rubber long belt is embedded with a weighting block, and the rubber long belt is made of a flexible rubber material. According to the invention, a positive position mode of fertilizing rightunder seeds is adopted, the fertilizer utilization rate is improved, the flexible rubber long belt can be deformed continuously, and soil adhered to the flexible rubber long belt can fall off automatically.

The invention relates to a piezoelectric vibration sounding module which comprises a base and a cantilever beam. The cantilever beam is provided with at least one fixed area and is fixed on the base through the fixed area. The fixed area on the cantilever beam is a fixed end, and other free parts are free ends. The vibration sounding module further comprises a hardened piezoelectric sheet used forchanging the resonance frequency of the vibration sounding module and a vibration piezoelectric sheet used for providing vibration, wherein at least one hardened piezoelectric sheet and at least onevibration piezoelectric sheet are arranged. The hardened piezoelectric sheet is arranged on the fixed end of the cantilever beam and extends toward the free ends. The vibration piezoelectric sheet isarranged on the free ends of the cantilever beam and extends toward the fixed end. A space is left between the hardened piezoelectric sheet and the vibration piezoelectric sheet. The hardened piezoelectric sheet is connected with excitation voltage of different frequencies. The resonance frequency of the entire module is changed. The vibration piezoelectric sheet produces haptic vibration or makessounds. Compared with the prior art, the piezoelectric vibration sounding module provided by the invention has the advantages that a piezoelectric device with a composite function is provided; the cost of the device is reduced; and the volume is saved.

The invention relates to a preparation method of a fabric with high humidity absorption and super-strong anti-mite complex functions, and belongs to the technical field of functional fabrics. The fabric with the high humidity absorption and super-strong anti-mite complex functions forms a high-density compact structure through high-pressure spunlacing, and therefore the effects of isolation and mite prevention are achieved, then, the novel function is composited to the fabric in the post-treatment process, the fabric has the complex functions, the method is simple in technology, assembly linelarge-scale operation is facilitated, the technological conditions are easy to control in the production process, and the production cost is low; the functional fiber prepared through the method can be repeatedly washed, has the good functionality and is worthy of being used and popularized.

The invention relates to a structure with a universal serial bus (USB) memory module. The structure comprises a shell and a data storage device, wherein the shell is in a hollow structure; an accommodating structure is formed in the hollow structure; the data storage device comprises a folding connection plug and a memory module, wherein the folding connection plug comprises a first folding part, a second folding part and a bearing seat; the back end of the first folding part is arranged at the front end of the bearing seat; the first folding part and the second folding part are provided with a plurality of metal contacts respectively; in addition, the memory module is provided with a substrate and at least one electronic component; the substrate is provided with an inner surface and an outer surface; the electronic component is arranged on the inner surface; the outer surface is provided with a plurality of metal contacts; the substrate is electrically connected with each metal contact of the electronic component; the metal contacts of the first folding part and the second folding part are electrically connected with the plurality of the metal contacts of the substrate through a plurality of conductors; and the memory module is partially accommodated in the accommodating space of the shell and is partially exposed out of the shell.

The invention provides micro-capsule powder containing acer truncatum oil and ketone compounds as well as a preparation method and application of the micro-capsule powder. The preparation method comprises the steps of raw material preparation, water phase and oil phase preparation, emulsion preparation, spray drying and the like. The process is simple and feasible, and preparation conditions are easy to control. By adopting a micro-capsule technology, the acer truncatum oil is easy to dissolve, a compound formula is adopted, the greasy smell of the acer truncatum oil is covered, the acer truncatum oil is easier to absorb by a human body, all the components are synergistic, and the product is rich in nervonic acid, can supplement mineral substances, vitamins and other components, has oxidation resistance, is more beneficial for supplementing nutrition for the human body, has good popularization and application prospects, and can be used as a health care product additive or a ketogenic diet additive.

The invention relates to a rotary tillage, ditch forming, front-position fertilizer applying, sowing and spraying combined operation machine. A rotary tillage machine is arranged on the part tightly close to a ditch forming device, a rotary shaft of the rotary tillage machine is additionally provided with a plurality of side blockage clearing straight cutters, and the side blockage clearing straight cutters abut against the side tightly close to the ditch forming device; spiral delivery devices are installed on two sides of a shaft of a rotary cutting type ditch forming machine; a pedaling platform located on the rear part of a seed box is provided with a rack hinge shaft in the Y direction, a spraying rod supporting rod is hinged to the rack hinge shaft, a supporting rod hinge shaft is arranged on the spraying rod supporting rod in the Y direction, one end of a rear folding arm is hinged to the supporting rod hinge shaft, the other end is hinged to the rear end of a front folding arm,and the front end of the front folding arm is hinged to the rear part of the seed box; a locking mechanism is arranged between the front folding arm and the rear folding arm; a spraying rod is arranged at the rear end of the spraying rod supporting rod in the Y direction, and a plurality of nozzles which can spray medicine are arranged on the spraying rod. The combined operation machine has the advantages that a front-positioning manner in which fertilizers are applied below the seeds is adopted, so that the fertilizer utilization rate is improved, and the adaptability and reliability of thecombination of a synchronous applying device and a sowing machine are improved.

The invention relates to a forced blockage-removing mechanism suitable for a furrow opener of a rice stubble field, which is characterized in that a rotary cultivator is arranged at a position close to the furrow opener, so that an end part of a rotary tillage bending knife of the rotary cultivator is close to the front of a lower part of the furrow opener but is not in contact with the rotary cultivator; a rotating shaft of the rotary cultivator is additionally provided with a plurality of side blockage-removing straight knives, a rotating radius of an outermost end of the straight knives islarger than the rotating radius of the outermost end of the rotary tillage bending knife, and the side blockage-removing straight knives are close to one side of the furrow opener but is not in contact with the furrow opener. By the adoption of the forced blockage-removing mechanism suitable for the furrow opener of the rice stubble field, sundries and clay are not easy to accumulate in the frontof the furrow opener; the front part and a single side of the furrow opener are respectively subjected to forced blockage-removing by the rotary tillage bending knife and the side blockage removal straight knives so as to ensure that no accumulation exists in the front of the furrow opener; compared with a drum-type mechanism or other passive anti-blocking devices, the blockage-removing mechanismhas the advantages of being better in anti-blocking effect under a condition of sticky soil in the rice stubble field, compact in structure, composite in functions, cost-saving and more effective.