Russian dandelion seed separator

The utility model discloses a russian dandelion seed separator, the grounding case comprises a case body, locate the bottom half and enclose into the shale shaker of storage cavity with the bottom of the case, locate in the box and lie in the stirrer of shale shaker upside, be located the pan feeding mouth of the box department of stirrer side top, locate in the box and lie in the ware of breaing up of stirrer upside, locate in the box and lie in the lifting mechanism of breaing up the ware upside, locate the sucking port at box top, be located the outer negative pressure chamber of box, intercommunication negative pressure chamber and sucking port's conveyer pipe, locate the box and be less than row's cinder notch of pan feeding mouth. Through the stirrer with break up the ware and make material roll shake, mutual friction and collision to make seed and pappus constantly separate, the pappus that drops upwards floats and extracts negative pressure chamber by vacuum device under the effect ...

Special fiber glass melting method and its special electric melting furnace

The invention relates to a method for melting special fiber glass. The method comprises the steps of preparation of a mixture, melting and clarification. Before melting, an electric melting kiln carries out kiln roasting; in the melting process; a kiln is kept at hot-spot temperature of between 1,500 and 1,600 DEG C for normal operation; and in melting, the depth of glass liquid in a melting partis more than 600 mm. A special electric melting kiln used by the method comprises an electrode, the melting part and a molding part power supply system. The lower part of the pool wall of the meltingpart is provided with a gap bridge throat; the bottom of a molding part is provided with a corresponding gap bridge throat; two gap bridge throats are communicated through a gap bridge; the cross section of the melting part is a square; the melting part is provided with an arched coping; the electrode is inserted to the bottom of the melting part; and the height of the electrode inserted into thekiln ...

Ultra-high performance concrete prefabricated underground evacuation platform

The invention relates to the technical field of underground evacuation platforms, in particular to an ultra-high-performance concrete prefabricated underground evacuation platform which comprises an evacuation platform plate and an evacuation platform support, the evacuation platform support is fixedly installed and connected with an external channel, and the evacuation platform plate and the evacuation platform support are both made of ultra-high-performance concrete materials. The evacuation platform support is of an inclined triangular support structure and comprises a cross beam, inclined struts and a support. The evacuation platform plate is installed on the cross beam, the support is fixedly installed in the external channel, and the inclined strut is connected with the cross beam and the support. According to the rail transit evacuation platform, the ultra-high-performance concrete is applied to the rail transit evacuation platform, and the technical scheme that the evacuation platform ...

Underground structure permanent and temporary combined supporting system and construction method

The invention relates to the technical field of subway supporting structures, and discloses an underground structure permanent-temporary combined supporting system and a construction method, and the underground structure permanent-temporary combined supporting system comprises an enclosure structure, a top plate, a middle plate, a bottom plate and side walls; the top plate comprises a top beam, a first longitudinal beam and a plurality of first transverse supports, and the first transverse supports are arranged at intervals in the length direction of the first longitudinal beam; the middle plate comprises a waist beam, a second longitudinal beam and a plurality of second transverse supports, and the second transverse supports are arranged at intervals in the length direction of the second longitudinal beam; permanent structural slabs are arranged between every two adjacent first cross braces and between every two adjacent second cross braces, and the permanent structural slabs are prefabricated ...

Recyclable grouting reinforcement equipment for bridge pile foundation

The invention discloses recyclable grouting reinforcement equipment for a bridge pile foundation, and relates to the technical field of pile foundation reinforcement, the recyclable grouting reinforcement equipment comprises an anti-leakage mechanism which is arranged between a concrete cylinder and an anti-pipe-fixing mechanism and is used for curing slurry close to the anti-leakage mechanism in a heating manner; the connection position of the concrete cylinder is sealed by the cured concrete; the anti-leakage mechanism comprises a blocking assembly. According to the recyclable grouting reinforcement equipment for the bridge pile foundation, concrete slurry is conveyed into the concrete cylinder through the pipe fixing prevention mechanism, the concrete cylinder is gradually filled with concrete, when the concrete cylinder is filled with the slurry, an outer threaded cylinder presses the concrete, and hot oil is introduced into a quick heating assembly to promote solidification of the ...

MIXED PREPARATION OF SLURRY FROM OIL SHALE BY DRY DISTILLATION OF OIL MUD AND DRY DISTILLATION OF WASTE WATER, AND BURNING TECHNOLOGY

Fabricated shock insulation equipment in shield tunnel

The invention discloses assembly type shock insulation equipment in a shield tunnel, and relates to the technical field of shield tunnel shock insulation, the assembly type shock insulation equipment comprises a flexible mechanism which is fixedly connected with the surface of a connecting assembly, is arranged at the middle position of the inner side surface of a fixing mechanism, and is used for blocking shock on the inner side surface of the flexible mechanism; comprising a fixing plate and a limiting assembly, the surface of the fixing plate is fixedly connected with the surface of a connecting assembly, and the surface of the fixing plate is fixedly connected with a prefabricated cylinder. According to the assembly type shock isolation equipment in the shield tunnel, when the inner side faces of the prefabricated cylinders are subjected to rigid impact force, the connecting assemblies are arranged at the positions between the two prefabricated cylinders, the surfaces of the contact ...

Preparation method of diamond silver-nano silver soldering paste, soldering paste and welding method

The invention belongs to the technical field of magnetron sputtering, and provides a diamond silver-nano-silver soldering paste preparation method, a soldering paste and a soldering method.The preparation method comprises the steps that the surface of diamond is plated with a silver cladding layer through the magnetron sputtering technology to form a diamond core-shell structure with diamond particles as cores and coated with silver, and then the diamond core-shell structure is doped in nano-silver paste; and the diamond silver-nano silver soldering paste is obtained. Compared with the traditional nano-silver paste, the nano-silver paste has the advantages that the particles with the diamond-plated silver core-shell structure are doped in the nano-silver paste, so that the heat-conducting property of the nano-silver paste is remarkably improved on the premise that the electric conductivity is hardly influenced; the silver coating is plated on the surfaces of the diamond particles through ...

Composition and method for improving mango flower stigma receptivity and mango fruit setting rate under low-temperature stress condition

The invention relates to the technical field of tropical fruit tree cultivation, and discloses application of L-serine to improvement of mango flower stigma receptivity and/or mango fruit setting rate under a low-temperature stress condition, and a composition and a method for improving the mango fruit setting rate. The invention provides L-serine and a novel application of the L-serine compound in improving pollen viability, stigma receptivity and fruit setting of mangoes under the low-temperature stress condition. Gamma-aminobutyric acid (GABA) and L-serine are compounded according to the condition that each liter of the composition contains 100-300 umol of gamma-aminobutyric acid and 1-5 g of L-serine, the composition is sprayed to plants in the initial flowering stage, and the composition has the functions of promoting pollen germination, pollen tube elongation and stigma receptivity of mangoes, so that the fruit setting rate is increased, and a technical support is provided for solving ...

Construction method for composite stratum prefabricated assembly type mechanical method vertical shaft

The method comprises the following steps that whether the foundation bearing capacity meets the design requirement or not is checked; a blade foot ring is constructed, a steel strand clamp anchoring box is pre-buried, a soil body is excavated, and assembly of equipment installation ring pipe pieces is completed synchronously; assembling and debugging a vertical shaft heading machine, and fixing the vertical shaft heading machine on the equipment mounting ring duct piece for trial heading; balancing mud is poured into a shaft of the vertical shaft, a cutting type tool bit of the vertical shaft heading machine is adopted for excavating a soil layer and soft rock underwater in a layered mode, a sinking ring pipe piece is assembled synchronously, a cutter head of the vertical shaft heading machine is replaced for excavating a hard rock annular groove section, and underwater concrete bottom sealing is conducted after edge foot ring rock embedding is achieved; grouting and plugging are conducted ...

Primer pair for identifying authenticity of mango filial generation hybrid as well as application and use method of primer pair

The invention relates to the technical field of mango crossbreeding. The invention provides a primer pair for identifying the authenticity of a mango filial generation hybrid as well as application and a use method of the primer pair. The primer pair comprises a G35 primer pair, a G39 primer pair, a G55 primer pair, a G63 primer pair, a G78 primer pair, a G83 primer pair, a GS98 primer pair and a G172 primer pair. The mango hybrid identification method based on eight pairs of SSR primers is established by combining SSR markers with a capillary electrophoresis technology, and a new technical approach is provided for breeding a new mango variety. According to the method, the specific expression SSR marker of the F1 generation is amplified to perform hybrid identification on the filial generation, the identification process is simple, convenient and rapid, the cost is low, the identification result is stable and reliable, and the research result has important significance on early selection ...

Vehicle-mounted vibration-based wheel non-rounding anti-interference detection method

The invention discloses a vehicle-mounted vibration-based wheel non-rounding anti-interference detection method. The method comprises the following steps of obtaining an axle box vibration acceleration signal and a wheel set rotating speed signal; performing equiangular resampling on the axle box vibration acceleration signal according to the wheel set rotating speed signal to obtain sampling data; calculating and calculating a weighted moving average value according to a weight vector of the sampling data; performing frequency domain analysis processing on the weighted moving average value to obtain a frequency spectrum or a time-frequency spectrum, and judging whether a peak value exceeds a set value or not according to the frequency spectrum or the time-frequency spectrum; if yes, the periodic wheel non-rounding defect exists; otherwise, entering the next step; judging whether the peak value of the envelope spectrum or the envelope time spectrum exceeds a set value or not; if yes, the ...

Bracket and sleeve combined steel reinforced concrete beam-column joint structure and construction method

The invention belongs to the technical field of cast-in-place concrete structure engineering, and discloses a bracket and sleeve combined steel reinforced concrete beam column joint structure and a construction method.The joint structure is provided with a first bracket and a second bracket which are different in size, and meanwhile the position of a sleeve is ingeniously arranged; connection and fixation of steel bars in a steel reinforced concrete beam-column joint area are achieved. When the reinforced concrete beam surface bars and the bottom bars are connected and fixed, the second surface bars are installed firstly, then the first surface bars are installed, the second bottom bars are installed firstly, then the first bottom bars are installed, the steel bars are connected with the sleeves at the respective positions and the corresponding bracket flange plate faces from inside to outside, and connection and fixing of the steel bars and the section steel column are achieved. In addition ...

Backpack russian dandelion seed ware of gathering

The utility model discloses a backpack russian dandelion seed ware of gathering, it includes quick -witted case, connect in the braces in the quick -witted case outside, locate quick -witted case produces the vacuum device of negative pressure, the loudspeaker form that is located the quick -witted case outside to quick -witted case and absorbs mouthful, connects and absorb mouthful with the flexible connecting leg of quick -witted case, be located the collection bag that quick -witted case air outlet was located. Through the braces with the quick -witted case back of the body in on one's body or tie up in the shallow, start vacuum device, will absorb mouthful facing to a ripe involucre, the russian dandelion seed will be through the quick -witted case of connecting leg inspiration under the effect of negative pressure to stockpile in collecting the bag, thereby accomplished the work of gathering of russian dandelion seed quickly convenient.

Mold opening and closing device and mold opening and closing method

The invention relates to the technical field of mold opening and closing, in particular to a mold opening and closing device and a mold opening and closing method.The mold opening and closing device comprises a mold station rack, a bottom mold, a frame, a top mold, a fixed rack, a limiting mechanism, a mold overturning mechanism, a clamping mechanism and a lifting mechanism, and a baffle protruding outwards is arranged on one side of the top mold; the mold overturning mechanism is connected with the clamping mechanism and the lifting mechanism, the lifting mechanism is connected with the clamping mechanism and used for driving the clamping mechanism to lift the frame to move up and down, and the clamping mechanism can overturn around the mold overturning mechanism along one side edge in a high-position state; the fixing rack is arranged above the mold station rack, the limiting mechanism comprises a first driving part and a limiting clamping plate, the first driving part is arranged on ...

Anti-interference single-side conduction microneedle electrode and preparation method thereof

The invention belongs to the technical field of bio-electricity signal monitoring, and discloses an anti-interference single-side conduction microneedle electrode and a preparation method. The microneedle electrode comprises a substrate, a plurality of microneedles are arranged on the substrate in an array mode, a handle is arranged on one side of the substrate, conducting layers are plated on the surfaces of the microneedles, the substrate and the face, close to the microneedles, of the handle and are communicated with one another, a lead wire is connected to the end of the handle, and the back face of the substrate and the side walls of the periphery of the substrate are insulated. The conductive layers are plated on the surface of the microneedle, the substrate and one surface, close to the microneedle, of the handle and are communicated with each other, and the back surface and the side surface of the substrate are not communicated, so that signal interference caused by contact between ...

Testibule crab sticks and processing method thereof

The invention belongs to the field of food processing, and provides a processing method of crab sticks. The processing method comprises the following steps: (1) weighing raw materials, chopping and mixing at low temperature to obtain slurry; (2) mixing a part of the slurry with capsanthin to obtain color paste; (3) coating and forming the residual slurry, and then brushing and coiling to obtain a coiled raw material; (4) pressing and cutting the rolled raw material to obtain a pine needle-shaped raw material; and (5) staining the pine needle-shaped raw material with color paste, steaming and quickly freezing to obtain the frozen crab sticks. The crab stick processing method and the tempura crab stick processing method provided by the invention are simple, convenient and feasible, do not need to add additional procedures, and are suitable for industrialized production; the obtained product is compact in meat quality, good in taste, free of essence additives and healthier.

Special fiber glass melting method and its special electric melting furnace

The invention relates to a method for melting special fiber glass. The method comprises the steps of preparation of a mixture, melting and clarification. Before melting, an electric melting kiln carries out kiln roasting; in the melting process; a kiln is kept at hot-spot temperature of between 1,500 and 1,600 DEG C for normal operation; and in melting, the depth of glass liquid in a melting part is more than 600 mm. A special electric melting kiln used by the method comprises an electrode, the melting part and a molding part power supply system. The lower part of the pool wall of the melting part is provided with a gap bridge throat; the bottom of a molding part is provided with a corresponding gap bridge throat; two gap bridge throats are communicated through a gap bridge; the cross section of the melting part is a square; the melting part is provided with an arched coping; the electrode is inserted to the bottom of the melting part; and the height of the electrode inserted into the kiln ...

Underground station and construction method thereof

The invention provides an underground station and a construction method thereof.The underground station comprises an enclosure structure attached to the side wall of a foundation pit and used for maintaining the shape of the foundation pit; the top plate assembly is arranged above the foundation pit, the top plate assembly comprises two first top plates and a second top plate, the two first top plates are connected with the enclosure structures on the two opposite sides of the foundation pit correspondingly, the second top plate is arranged between the two first top plates, and the first top plates are connected with the enclosure structures in a simple support mode; the two ends of the second top plate are in simple support connection with the two first top plates correspondingly. The bottom plate is poured at the bottom of the foundation pit; the side wall assembly is arranged on the inner side wall of the enclosure structure, and the two ends of the side wall assembly are connected with ...

Rubber grass roots excavating gear

The utility model discloses a rubber grass roots excavating gear, its include tractor, fixed connection in but the excavation frame of the frame of tractor, the side connecting rod through both sides and lift adjustment frame and the connection of excavating an adjustable shelf that the frame is connected, can dismantle height -adjusting in the rake teeth of adjustable shelf, fixed connection in the ploughshare of rake teeth bottom, side connecting rod both ends articulate respectively in excavate frame and adjustable shelf. Excavate the frame through fixed connection on the tractor to having set up the lift adjustment frame that can adjust the adjustable shelf height on excavating the frame, including the regulation of rake teeth and ploughshare height, thereby can having come the nimble degree of depth of adjusting the ditching and grubbing up according to the degree of depth that the rubber grass roots buried, thereby can dig out whole trunk russian dandelion fast, rubber underproduction ...